diff options
author | cvs2svn <> | 2006-08-30 01:01:00 +0400 |
---|---|---|
committer | cvs2svn <> | 2006-08-30 01:01:00 +0400 |
commit | cc010b066b2155bc37e8b5be028c5512f87be3f4 (patch) | |
tree | 575a97580e2eeac00bf0fd29ae18ddc61f0ef429 /winsup/mingw/mingwex/math | |
parent | 859742654a68b800305144f6a49d87d0906f33d0 (diff) |
This commit was manufactured by cvs2svn to create tag 'newlib-csl-newlib-csl-sourcerygxx-3_4_4-25
sourcerygxx-3_4_4-25'.
Sprout from master 2006-08-29 21:00:59 UTC Jeff Johnston <jjohnstn@redhat.com> ''
Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import':
README
config/mh-armpic
config/mh-elfalphapic
config/mh-m68kpic
config/mh-papic
config/mh-ppcpic
config/mh-x86pic
config/mt-d30v
config/mt-netware
config/mt-ospace
etc/add-log.el
etc/add-log.vi
etc/configbuild.ein
etc/configbuild.fig
etc/configbuild.jin
etc/configbuild.tin
etc/configdev.ein
etc/configdev.fig
etc/configdev.jin
etc/configdev.tin
makefile.vms
Delete:
compile
djunpack.bat
include/COPYING
include/ChangeLog
include/ChangeLog-9103
include/MAINTAINERS
include/alloca-conf.h
include/ansidecl.h
include/aout/ChangeLog
include/aout/adobe.h
include/aout/aout64.h
include/aout/ar.h
include/aout/dynix3.h
include/aout/encap.h
include/aout/host.h
include/aout/hp.h
include/aout/hp300hpux.h
include/aout/hppa.h
include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/bin-bugs.h
include/bout.h
include/coff/ChangeLog
include/coff/ChangeLog-9103
include/coff/alpha.h
include/coff/apollo.h
include/coff/arm.h
include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/external.h
include/coff/go32exe.h
include/coff/h8300.h
include/coff/h8500.h
include/coff/i386.h
include/coff/i860.h
include/coff/i960.h
include/coff/ia64.h
include/coff/internal.h
include/coff/m68k.h
include/coff/m88k.h
include/coff/maxq.h
include/coff/mcore.h
include/coff/mips.h
include/coff/mipspe.h
include/coff/or32.h
include/coff/pe.h
include/coff/powerpc.h
include/coff/rs6000.h
include/coff/rs6k64.h
include/coff/sh.h
include/coff/sparc.h
include/coff/sym.h
include/coff/symconst.h
include/coff/ti.h
include/coff/tic30.h
include/coff/tic4x.h
include/coff/tic54x.h
include/coff/tic80.h
include/coff/w65.h
include/coff/we32k.h
include/coff/xcoff.h
include/coff/z80.h
include/coff/z8k.h
include/demangle.h
include/dis-asm.h
include/dyn-string.h
include/elf/ChangeLog
include/elf/ChangeLog-9103
include/elf/alpha.h
include/elf/arc.h
include/elf/arm.h
include/elf/avr.h
include/elf/bfin.h
include/elf/common.h
include/elf/cr16c.h
include/elf/cris.h
include/elf/crx.h
include/elf/d10v.h
include/elf/d30v.h
include/elf/dlx.h
include/elf/dwarf.h
include/elf/dwarf2.h
include/elf/external.h
include/elf/fr30.h
include/elf/frv.h
include/elf/h8.h
include/elf/hppa.h
include/elf/i370.h
include/elf/i386.h
include/elf/i860.h
include/elf/i960.h
include/elf/ia64.h
include/elf/internal.h
include/elf/ip2k.h
include/elf/iq2000.h
include/elf/m32c.h
include/elf/m32r.h
include/elf/m68hc11.h
include/elf/m68k.h
include/elf/mcore.h
include/elf/mips.h
include/elf/mmix.h
include/elf/mn10200.h
include/elf/mn10300.h
include/elf/msp430.h
include/elf/mt.h
include/elf/openrisc.h
include/elf/or32.h
include/elf/pj.h
include/elf/ppc.h
include/elf/ppc64.h
include/elf/reloc-macros.h
include/elf/s390.h
include/elf/sh.h
include/elf/sparc.h
include/elf/v850.h
include/elf/vax.h
include/elf/x86-64.h
include/elf/xc16x.h
include/elf/xstormy16.h
include/elf/xtensa.h
include/fibheap.h
include/filenames.h
include/floatformat.h
include/fnmatch.h
include/fopen-bin.h
include/fopen-same.h
include/fopen-vms.h
include/gdb/ChangeLog
include/gdb/callback.h
include/gdb/fileio.h
include/gdb/remote-sim.h
include/gdb/signals.h
include/gdb/sim-arm.h
include/gdb/sim-d10v.h
include/gdb/sim-frv.h
include/gdb/sim-h8300.h
include/gdb/sim-m32c.h
include/gdb/sim-ppc.h
include/gdb/sim-sh.h
include/gdbm.h
include/getopt.h
include/hashtab.h
include/hp-symtab.h
include/ieee.h
include/libiberty.h
include/md5.h
include/nlm/ChangeLog
include/nlm/alpha-ext.h
include/nlm/common.h
include/nlm/external.h
include/nlm/i386-ext.h
include/nlm/internal.h
include/nlm/ppc-ext.h
include/nlm/sparc32-ext.h
include/oasys.h
include/objalloc.h
include/obstack.h
include/opcode/ChangeLog
include/opcode/ChangeLog-9103
include/opcode/alpha.h
include/opcode/arc.h
include/opcode/arm.h
include/opcode/avr.h
include/opcode/bfin.h
include/opcode/cgen-bitset.h
include/opcode/cgen.h
include/opcode/convex.h
include/opcode/cris.h
include/opcode/crx.h
include/opcode/d10v.h
include/opcode/d30v.h
include/opcode/dlx.h
include/opcode/h8300.h
include/opcode/hppa.h
include/opcode/i370.h
include/opcode/i386.h
include/opcode/i860.h
include/opcode/i960.h
include/opcode/ia64.h
include/opcode/m68hc11.h
include/opcode/m68k.h
include/opcode/m88k.h
include/opcode/maxq.h
include/opcode/mips.h
include/opcode/mmix.h
include/opcode/mn10200.h
include/opcode/mn10300.h
include/opcode/msp430.h
include/opcode/np1.h
include/opcode/ns32k.h
include/opcode/or32.h
include/opcode/pdp11.h
include/opcode/pj.h
include/opcode/pn.h
include/opcode/ppc.h
include/opcode/pyr.h
include/opcode/s390.h
include/opcode/sparc.h
include/opcode/tahoe.h
include/opcode/tic30.h
include/opcode/tic4x.h
include/opcode/tic54x.h
include/opcode/tic80.h
include/opcode/v850.h
include/opcode/vax.h
include/os9k.h
include/partition.h
include/progress.h
include/safe-ctype.h
include/sort.h
include/splay-tree.h
include/symcat.h
include/ternary.h
include/xregex.h
include/xregex2.h
include/xtensa-config.h
include/xtensa-isa-internal.h
include/xtensa-isa.h
winsup/COPYING
winsup/CYGWIN_LICENSE
winsup/ChangeLog
winsup/Makefile.common
winsup/Makefile.in
winsup/README
winsup/acinclude.m4
winsup/aclocal.m4
winsup/configure
winsup/configure.in
winsup/cygserver/ChangeLog
winsup/cygserver/Makefile.in
winsup/cygserver/README
winsup/cygserver/aclocal.m4
winsup/cygserver/bsd_helper.cc
winsup/cygserver/bsd_helper.h
winsup/cygserver/bsd_log.cc
winsup/cygserver/bsd_log.h
winsup/cygserver/bsd_mutex.cc
winsup/cygserver/bsd_mutex.h
winsup/cygserver/client.cc
winsup/cygserver/configure
winsup/cygserver/configure.in
winsup/cygserver/cygserver-config
winsup/cygserver/cygserver.cc
winsup/cygserver/cygserver.conf
winsup/cygserver/msg.cc
winsup/cygserver/process.cc
winsup/cygserver/process.h
winsup/cygserver/sem.cc
winsup/cygserver/shm.cc
winsup/cygserver/sysv_msg.cc
winsup/cygserver/sysv_sem.cc
winsup/cygserver/sysv_shm.cc
winsup/cygserver/threaded_queue.cc
winsup/cygserver/threaded_queue.h
winsup/cygserver/transport.cc
winsup/cygserver/transport.h
winsup/cygserver/transport_pipes.cc
winsup/cygserver/transport_pipes.h
winsup/cygserver/transport_sockets.cc
winsup/cygserver/transport_sockets.h
winsup/cygserver/wincap.cc
winsup/cygserver/wincap.h
winsup/cygserver/woutsup.h
winsup/cygwin/CYGWIN_LICENSE
winsup/cygwin/ChangeLog
winsup/cygwin/ChangeLog-1995
winsup/cygwin/ChangeLog-1996
winsup/cygwin/ChangeLog-1997
winsup/cygwin/ChangeLog-1998
winsup/cygwin/ChangeLog-1999
winsup/cygwin/ChangeLog-2000
winsup/cygwin/ChangeLog-2001
winsup/cygwin/ChangeLog-2002
winsup/cygwin/ChangeLog-2003
winsup/cygwin/ChangeLog-2004
winsup/cygwin/ChangeLog-2005
winsup/cygwin/Makefile.in
winsup/cygwin/ROADMAP
winsup/cygwin/acconfig.h
winsup/cygwin/aclocal.m4
winsup/cygwin/analyze_sigfe
winsup/cygwin/ansi.sgml
winsup/cygwin/assert.cc
winsup/cygwin/autoload.cc
winsup/cygwin/automode.c
winsup/cygwin/binmode.c
winsup/cygwin/child_info.h
winsup/cygwin/config.h.in
winsup/cygwin/config/i386/profile.h
winsup/cygwin/configure
winsup/cygwin/configure.in
winsup/cygwin/cpuid.h
winsup/cygwin/crt0.c
winsup/cygwin/ctype.cc
winsup/cygwin/cxx.cc
winsup/cygwin/cygerrno.h
winsup/cygwin/cygheap.cc
winsup/cygwin/cygheap.h
winsup/cygwin/cygmagic
winsup/cygwin/cygmalloc.h
winsup/cygwin/cygserver.h
winsup/cygwin/cygserver_ipc.h
winsup/cygwin/cygserver_msg.h
winsup/cygwin/cygserver_sem.h
winsup/cygwin/cygserver_shm.h
winsup/cygwin/cygthread.cc
winsup/cygwin/cygthread.h
winsup/cygwin/cygtls.cc
winsup/cygwin/cygtls.h
winsup/cygwin/cygwin-shilka
winsup/cygwin/cygwin.din
winsup/cygwin/cygwin.sc
winsup/cygwin/cygwin_version.h
winsup/cygwin/dcrt0.cc
winsup/cygwin/debug.cc
winsup/cygwin/debug.h
winsup/cygwin/delqueue.cc
winsup/cygwin/devices.cc
winsup/cygwin/devices.h
winsup/cygwin/devices.in
winsup/cygwin/dir.cc
winsup/cygwin/dlfcn.cc
winsup/cygwin/dll_init.cc
winsup/cygwin/dll_init.h
winsup/cygwin/dll_init.sgml
winsup/cygwin/dllfixdbg
winsup/cygwin/dlmalloc.c
winsup/cygwin/dlmalloc.h
winsup/cygwin/dtable.cc
winsup/cygwin/dtable.h
winsup/cygwin/dtable.sgml
winsup/cygwin/environ.cc
winsup/cygwin/environ.h
winsup/cygwin/errno.cc
winsup/cygwin/exceptions.cc
winsup/cygwin/exec.cc
winsup/cygwin/external.cc
winsup/cygwin/external.sgml
winsup/cygwin/fcntl.cc
winsup/cygwin/fhandler.cc
winsup/cygwin/fhandler.h
winsup/cygwin/fhandler_clipboard.cc
winsup/cygwin/fhandler_console.cc
winsup/cygwin/fhandler_disk_file.cc
winsup/cygwin/fhandler_dsp.cc
winsup/cygwin/fhandler_fifo.cc
winsup/cygwin/fhandler_floppy.cc
winsup/cygwin/fhandler_mailslot.cc
winsup/cygwin/fhandler_mem.cc
winsup/cygwin/fhandler_netdrive.cc
winsup/cygwin/fhandler_nodevice.cc
winsup/cygwin/fhandler_proc.cc
winsup/cygwin/fhandler_process.cc
winsup/cygwin/fhandler_random.cc
winsup/cygwin/fhandler_raw.cc
winsup/cygwin/fhandler_registry.cc
winsup/cygwin/fhandler_serial.cc
winsup/cygwin/fhandler_socket.cc
winsup/cygwin/fhandler_tape.cc
winsup/cygwin/fhandler_termios.cc
winsup/cygwin/fhandler_tty.cc
winsup/cygwin/fhandler_virtual.cc
winsup/cygwin/fhandler_windows.cc
winsup/cygwin/fhandler_zero.cc
winsup/cygwin/flock.cc
winsup/cygwin/fork.cc
winsup/cygwin/gcrt0.c
winsup/cygwin/gendef
winsup/cygwin/gendevices
winsup/cygwin/gentls_offsets
winsup/cygwin/glob.c
winsup/cygwin/gmon.c
winsup/cygwin/gmon.h
winsup/cygwin/grp.cc
winsup/cygwin/heap.cc
winsup/cygwin/heap.h
winsup/cygwin/hires.h
winsup/cygwin/hookapi.cc
winsup/cygwin/how-autoload-works.txt
winsup/cygwin/how-cygheap-works.txt
winsup/cygwin/how-cygtls-works.txt
winsup/cygwin/how-fhandlers-work.txt
winsup/cygwin/how-signals-work.txt
winsup/cygwin/how-spawn-works.txt
winsup/cygwin/how-to-debug-cygwin.txt
winsup/cygwin/how-vfork-works.txt
winsup/cygwin/include/a.out.h
winsup/cygwin/include/arpa/ftp.h
winsup/cygwin/include/arpa/inet.h
winsup/cygwin/include/arpa/telnet.h
winsup/cygwin/include/asm/byteorder.h
winsup/cygwin/include/asm/socket.h
winsup/cygwin/include/asm/types.h
winsup/cygwin/include/byteswap.h
winsup/cygwin/include/ctype.h
winsup/cygwin/include/cygwin/_types.h
winsup/cygwin/include/cygwin/acl.h
winsup/cygwin/include/cygwin/config.h
winsup/cygwin/include/cygwin/core_dump.h
winsup/cygwin/include/cygwin/cygwin_dll.h
winsup/cygwin/include/cygwin/fs.h
winsup/cygwin/include/cygwin/grp.h
winsup/cygwin/include/cygwin/hdreg.h
winsup/cygwin/include/cygwin/icmp.h
winsup/cygwin/include/cygwin/if.h
winsup/cygwin/include/cygwin/in.h
winsup/cygwin/include/cygwin/in6.h
winsup/cygwin/include/cygwin/in_systm.h
winsup/cygwin/include/cygwin/ipc.h
winsup/cygwin/include/cygwin/kd.h
winsup/cygwin/include/cygwin/msg.h
winsup/cygwin/include/cygwin/mtio.h
winsup/cygwin/include/cygwin/rdevio.h
winsup/cygwin/include/cygwin/sem.h
winsup/cygwin/include/cygwin/shm.h
winsup/cygwin/include/cygwin/signal.h
winsup/cygwin/include/cygwin/socket.h
winsup/cygwin/include/cygwin/sockios.h
winsup/cygwin/include/cygwin/stat.h
winsup/cygwin/include/cygwin/stdlib.h
winsup/cygwin/include/cygwin/sys_time.h
winsup/cygwin/include/cygwin/sysproto.h
winsup/cygwin/include/cygwin/time.h
winsup/cygwin/include/cygwin/types.h
winsup/cygwin/include/cygwin/uio.h
winsup/cygwin/include/cygwin/utmp.h
winsup/cygwin/include/cygwin/version.h
winsup/cygwin/include/cygwin/wait.h
winsup/cygwin/include/dlfcn.h
winsup/cygwin/include/elf.h
winsup/cygwin/include/endian.h
winsup/cygwin/include/err.h
winsup/cygwin/include/exceptions.h
winsup/cygwin/include/fcntl.h
winsup/cygwin/include/features.h
winsup/cygwin/include/fnmatch.h
winsup/cygwin/include/fts.h
winsup/cygwin/include/ftw.h
winsup/cygwin/include/getopt.h
winsup/cygwin/include/glob.h
winsup/cygwin/include/icmp.h
winsup/cygwin/include/inttypes.h
winsup/cygwin/include/io.h
winsup/cygwin/include/lastlog.h
winsup/cygwin/include/libgen.h
winsup/cygwin/include/limits.h
winsup/cygwin/include/machine/stdlib.h
winsup/cygwin/include/mapi.h
winsup/cygwin/include/memory.h
winsup/cygwin/include/mntent.h
winsup/cygwin/include/net/if.h
winsup/cygwin/include/netdb.h
winsup/cygwin/include/netinet/in.h
winsup/cygwin/include/netinet/in_systm.h
winsup/cygwin/include/netinet/ip.h
winsup/cygwin/include/netinet/ip_icmp.h
winsup/cygwin/include/netinet/tcp.h
winsup/cygwin/include/netinet/udp.h
winsup/cygwin/include/paths.h
winsup/cygwin/include/poll.h
winsup/cygwin/include/pthread.h
winsup/cygwin/include/pty.h
winsup/cygwin/include/sched.h
winsup/cygwin/include/search.h
winsup/cygwin/include/semaphore.h
winsup/cygwin/include/stdint.h
winsup/cygwin/include/strings.h
winsup/cygwin/include/sys/acl.h
winsup/cygwin/include/sys/cdefs.h
winsup/cygwin/include/sys/copying.dj
winsup/cygwin/include/sys/cygwin.h
winsup/cygwin/include/sys/dirent.h
winsup/cygwin/include/sys/elf32.h
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winsup/cygwin/include/sys/elf_common.h
winsup/cygwin/include/sys/elf_generic.h
winsup/cygwin/include/sys/file.h
winsup/cygwin/include/sys/ioctl.h
winsup/cygwin/include/sys/ipc.h
winsup/cygwin/include/sys/kd.h
winsup/cygwin/include/sys/lock.h
winsup/cygwin/include/sys/mman.h
winsup/cygwin/include/sys/mount.h
winsup/cygwin/include/sys/msg.h
winsup/cygwin/include/sys/mtio.h
winsup/cygwin/include/sys/param.h
winsup/cygwin/include/sys/poll.h
winsup/cygwin/include/sys/procfs.h
winsup/cygwin/include/sys/queue.h
winsup/cygwin/include/sys/resource.h
winsup/cygwin/include/sys/select.h
winsup/cygwin/include/sys/sem.h
winsup/cygwin/include/sys/shm.h
winsup/cygwin/include/sys/smallprint.h
winsup/cygwin/include/sys/socket.h
winsup/cygwin/include/sys/soundcard.h
winsup/cygwin/include/sys/statfs.h
winsup/cygwin/include/sys/statvfs.h
winsup/cygwin/include/sys/stdio.h
winsup/cygwin/include/sys/strace.h
winsup/cygwin/include/sys/syslog.h
winsup/cygwin/include/sys/sysmacros.h
winsup/cygwin/include/sys/sysproto.h
winsup/cygwin/include/sys/termio.h
winsup/cygwin/include/sys/termios.h
winsup/cygwin/include/sys/ttychars.h
winsup/cygwin/include/sys/uio.h
winsup/cygwin/include/sys/un.h
winsup/cygwin/include/sys/utime.h
winsup/cygwin/include/sys/utmp.h
winsup/cygwin/include/sys/utsname.h
winsup/cygwin/include/sys/vfs.h
winsup/cygwin/include/sys/wait.h
winsup/cygwin/include/sysexits.h
winsup/cygwin/include/syslog.h
winsup/cygwin/include/termio.h
winsup/cygwin/include/tzfile.h
winsup/cygwin/include/utmpx.h
winsup/cygwin/init.cc
winsup/cygwin/ioctl.cc
winsup/cygwin/ipc.cc
winsup/cygwin/lib/_cygwin_crt0_common.cc
winsup/cygwin/lib/crt0.h
winsup/cygwin/lib/cygwin_attach_dll.c
winsup/cygwin/lib/cygwin_crt0.c
winsup/cygwin/lib/dll_entry.c
winsup/cygwin/lib/dll_main.cc
winsup/cygwin/lib/libcmain.c
winsup/cygwin/lib/premain0.c
winsup/cygwin/lib/premain1.c
winsup/cygwin/lib/premain2.c
winsup/cygwin/lib/premain3.c
winsup/cygwin/lib/pseudo-reloc.c
winsup/cygwin/libc/bsdlib.cc
winsup/cygwin/libc/fnmatch.c
winsup/cygwin/libc/fts.c
winsup/cygwin/libc/ftw.c
winsup/cygwin/libc/getopt.c
winsup/cygwin/libc/inet_addr.c
winsup/cygwin/libc/inet_network.c
winsup/cygwin/libc/memmem.cc
winsup/cygwin/libc/nftw.c
winsup/cygwin/libc/rcmd.cc
winsup/cygwin/libc/rexec.cc
winsup/cygwin/libc/strptime.cc
winsup/cygwin/libc/timelocal.cc
winsup/cygwin/libc/timelocal.h
winsup/cygwin/localtime.cc
winsup/cygwin/lsearch.cc
winsup/cygwin/malloc.cc
winsup/cygwin/malloc_wrapper.cc
winsup/cygwin/mcount.c
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winsup/w32api/lib/ddk/usbcamd.def
winsup/w32api/lib/ddk/usbcamd2.def
winsup/w32api/lib/ddk/videoprt.def
winsup/w32api/lib/ddk/win32k.def
winsup/w32api/lib/devguid.c
winsup/w32api/lib/dhcpcsvc.def
winsup/w32api/lib/directx/Makefile.in
winsup/w32api/lib/directx/d3d8.def
winsup/w32api/lib/directx/d3d9.def
winsup/w32api/lib/directx/d3dim.def
winsup/w32api/lib/directx/d3drm.def
winsup/w32api/lib/directx/d3dx8d.def
winsup/w32api/lib/directx/d3dx9d.def
winsup/w32api/lib/directx/d3dxof.def
winsup/w32api/lib/directx/ddraw.def
winsup/w32api/lib/directx/dinput.def
winsup/w32api/lib/directx/dinput8.def
winsup/w32api/lib/directx/dinput_joy.c
winsup/w32api/lib/directx/dinput_joy2.c
winsup/w32api/lib/directx/dinput_kbd.c
winsup/w32api/lib/directx/dinput_mouse.c
winsup/w32api/lib/directx/dinput_mouse2.c
winsup/w32api/lib/directx/dinput_private.h
winsup/w32api/lib/directx/dmoguids.c
winsup/w32api/lib/directx/dplayx.def
winsup/w32api/lib/directx/dpnaddr.def
winsup/w32api/lib/directx/dpnet.def
winsup/w32api/lib/directx/dpnlobby.def
winsup/w32api/lib/directx/dpvoice.def
winsup/w32api/lib/directx/dsetup.def
winsup/w32api/lib/directx/dsound.def
winsup/w32api/lib/directx/dxerr.c
winsup/w32api/lib/directx/dxerr8.c
winsup/w32api/lib/directx/dxerr8w.c
winsup/w32api/lib/directx/dxerr9.c
winsup/w32api/lib/directx/dxerr9w.c
winsup/w32api/lib/directx/dxguid.c
winsup/w32api/lib/directx/ksproxy.def
winsup/w32api/lib/directx/ksuser.c
winsup/w32api/lib/directx/ksuser.def
winsup/w32api/lib/directx/msdmo.def
winsup/w32api/lib/directx/strmiids.c
winsup/w32api/lib/directx/test.c
winsup/w32api/lib/dlcapi.def
winsup/w32api/lib/dnsapi.def
winsup/w32api/lib/docobj-uuid.c
winsup/w32api/lib/exdisp-uuid.c
winsup/w32api/lib/extras-uuid.c
winsup/w32api/lib/faultrep.def
winsup/w32api/lib/gdi32.def
winsup/w32api/lib/glaux.def
winsup/w32api/lib/glu32.def
winsup/w32api/lib/glut.def
winsup/w32api/lib/glut32.def
winsup/w32api/lib/hlguids-uuid.c
winsup/w32api/lib/hlink-uuid.c
winsup/w32api/lib/icmui.def
winsup/w32api/lib/igmpagnt.def
winsup/w32api/lib/imagehlp.def
winsup/w32api/lib/imm32.def
winsup/w32api/lib/iphlpapi.def
winsup/w32api/lib/kernel32.c
winsup/w32api/lib/kernel32.def
winsup/w32api/lib/largeint.c
winsup/w32api/lib/lz32.def
winsup/w32api/lib/mapi32.def
winsup/w32api/lib/mfcuia32.def
winsup/w32api/lib/mgmtapi.def
winsup/w32api/lib/mlang-uuid.c
winsup/w32api/lib/mpr.def
winsup/w32api/lib/mprapi.def
winsup/w32api/lib/mqrt.def
winsup/w32api/lib/msacm32.def
winsup/w32api/lib/mscms.def
winsup/w32api/lib/mshtml-uuid.c
winsup/w32api/lib/msimg32.def
winsup/w32api/lib/msvcp60.def
winsup/w32api/lib/msvfw32.def
winsup/w32api/lib/mswsock.def
winsup/w32api/lib/msxml-uuid.c
winsup/w32api/lib/nddeapi.def
winsup/w32api/lib/netapi32.def
winsup/w32api/lib/ntdll.def
winsup/w32api/lib/oaidl-uuid.c
winsup/w32api/lib/objidl-uuid.c
winsup/w32api/lib/objsafe-uuid.c
winsup/w32api/lib/ocidl-uuid.c
winsup/w32api/lib/odbc32.def
winsup/w32api/lib/odbccp32.def
winsup/w32api/lib/ole32.def
winsup/w32api/lib/oleacc-uuid.c
winsup/w32api/lib/oleacc.def
winsup/w32api/lib/oleaut32.def
winsup/w32api/lib/olecli32.def
winsup/w32api/lib/olectlid-uuid.c
winsup/w32api/lib/oledlg.def
winsup/w32api/lib/oleidl-uuid.c
winsup/w32api/lib/olepro32.def
winsup/w32api/lib/olesvr32.def
winsup/w32api/lib/opengl32.def
winsup/w32api/lib/penwin32.def
winsup/w32api/lib/pkpd32.def
winsup/w32api/lib/powrprof.def
winsup/w32api/lib/psapi.def
winsup/w32api/lib/quartz.def
winsup/w32api/lib/rapi.def
winsup/w32api/lib/rasapi32.def
winsup/w32api/lib/rasdlg.def
winsup/w32api/lib/res.rc
winsup/w32api/lib/rpcdce4.def
winsup/w32api/lib/rpcns4.def
winsup/w32api/lib/rpcrt4.def
winsup/w32api/lib/rtm.def
winsup/w32api/lib/rtutils.def
winsup/w32api/lib/scrnsave.c
winsup/w32api/lib/secur32.def
winsup/w32api/lib/servprov-uuid.c
winsup/w32api/lib/setupapi.def
winsup/w32api/lib/shell32.c
winsup/w32api/lib/shell32.def
winsup/w32api/lib/shfolder.def
winsup/w32api/lib/shlwapi.def
winsup/w32api/lib/snmpapi.def
winsup/w32api/lib/svrapi.def
winsup/w32api/lib/tapi32.def
winsup/w32api/lib/test.c
winsup/w32api/lib/th32.def
winsup/w32api/lib/thunk32.def
winsup/w32api/lib/unknwn-uuid.c
winsup/w32api/lib/url.def
winsup/w32api/lib/urlmon-uuid.c
winsup/w32api/lib/user32.def
winsup/w32api/lib/userenv.def
winsup/w32api/lib/usp10.def
winsup/w32api/lib/uxtheme.def
winsup/w32api/lib/vdmdbg.def
winsup/w32api/lib/version.def
winsup/w32api/lib/vfw32.mri
winsup/w32api/lib/win32spl.def
winsup/w32api/lib/wininet.def
winsup/w32api/lib/winmm.def
winsup/w32api/lib/winspool.def
winsup/w32api/lib/winstrm.def
winsup/w32api/lib/wldap32.def
winsup/w32api/lib/wow32.def
winsup/w32api/lib/ws2_32.c
winsup/w32api/lib/ws2_32.def
winsup/w32api/lib/wsnmp32.def
winsup/w32api/lib/wsock32.def
winsup/w32api/lib/wst.def
winsup/w32api/lib/wtsapi32.def
Diffstat (limited to 'winsup/mingw/mingwex/math')
160 files changed, 0 insertions, 11804 deletions
diff --git a/winsup/mingw/mingwex/math/acosf.c b/winsup/mingw/mingwex/math/acosf.c deleted file mode 100644 index 364f6a90c..000000000 --- a/winsup/mingw/mingwex/math/acosf.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -#include <math.h> - -float -acosf (float x) -{ - float res; - - /* acosl = atanl (sqrtl(1 - x^2) / x) */ - asm ( "fld %%st\n\t" - "fmul %%st(0)\n\t" /* x^2 */ - "fld1\n\t" - "fsubp\n\t" /* 1 - x^2 */ - "fsqrt\n\t" /* sqrtl (1 - x^2) */ - "fxch %%st(1)\n\t" - "fpatan" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/acosh.c b/winsup/mingw/mingwex/math/acosh.c deleted file mode 100755 index 1497883cf..000000000 --- a/winsup/mingw/mingwex/math/acosh.c +++ /dev/null @@ -1,26 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - -/* acosh(x) = log (x + sqrt(x * x - 1)) */ -double acosh (double x) -{ - if (isnan (x)) - return x; - - if (x < 1.0) - { - errno = EDOM; - return nan(""); - } - - if (x > 0x1p32) - /* Avoid overflow (and unnecessary calculation when - sqrt (x * x - 1) == x). GCC optimizes by replacing - the long double M_LN2 const with a fldln2 insn. */ - return __fast_log (x) + 6.9314718055994530941723E-1L; - - /* Since x >= 1, the arg to log will always be greater than - the fyl2xp1 limit (approx 0.29) so just use logl. */ - return __fast_log (x + __fast_sqrt((x + 1.0) * (x - 1.0))); -} diff --git a/winsup/mingw/mingwex/math/acoshf.c b/winsup/mingw/mingwex/math/acoshf.c deleted file mode 100755 index 08f190fcb..000000000 --- a/winsup/mingw/mingwex/math/acoshf.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - -/* acosh(x) = log (x + sqrt(x * x - 1)) */ -float acoshf (float x) -{ - if (isnan (x)) - return x; - if (x < 1.0f) - { - errno = EDOM; - return nan(""); - } - - if (x > 0x1p32f) - /* Avoid overflow (and unnecessary calculation when - sqrt (x * x - 1) == x). GCC optimizes by replacing - the long double M_LN2 const with a fldln2 insn. */ - return __fast_log (x) + 6.9314718055994530941723E-1L; - - /* Since x >= 1, the arg to log will always be greater than - the fyl2xp1 limit (approx 0.29) so just use logl. */ - return __fast_log (x + __fast_sqrt((x + 1.0) * (x - 1.0))); -} diff --git a/winsup/mingw/mingwex/math/acoshl.c b/winsup/mingw/mingwex/math/acoshl.c deleted file mode 100755 index c461176bb..000000000 --- a/winsup/mingw/mingwex/math/acoshl.c +++ /dev/null @@ -1,27 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - -/* acosh(x) = log (x + sqrt(x * x - 1)) */ -long double acoshl (long double x) -{ - if (isnan (x)) - return x; - - if (x < 1.0L) - { - errno = EDOM; - return nanl(""); - } - if (x > 0x1p32L) - /* Avoid overflow (and unnecessary calculation when - sqrt (x * x - 1) == x). - The M_LN2 define doesn't have enough precison for - long double so use this one. GCC optimizes by replacing - the const with a fldln2 insn. */ - return __fast_logl (x) + 6.9314718055994530941723E-1L; - - /* Since x >= 1, the arg to log will always be greater than - the fyl2xp1 limit (approx 0.29) so just use logl. */ - return __fast_logl (x + __fast_sqrtl((x + 1.0L) * (x - 1.0L))); -} diff --git a/winsup/mingw/mingwex/math/acosl.c b/winsup/mingw/mingwex/math/acosl.c deleted file mode 100644 index f98d2cdc1..000000000 --- a/winsup/mingw/mingwex/math/acosl.c +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - */ - -#include <math.h> - -long double -acosl (long double x) -{ - long double res; - - /* acosl = atanl (sqrtl(1 - x^2) / x) */ - asm ( "fld %%st\n\t" - "fmul %%st(0)\n\t" /* x^2 */ - "fld1\n\t" - "fsubp\n\t" /* 1 - x^2 */ - "fsqrt\n\t" /* sqrtl (1 - x^2) */ - "fxch %%st(1)\n\t" - "fpatan" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/asinf.c b/winsup/mingw/mingwex/math/asinf.c deleted file mode 100644 index e79429ec8..000000000 --- a/winsup/mingw/mingwex/math/asinf.c +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -/* asin = atan (x / sqrt(1 - x^2)) */ - -float asinf (float x) -{ - float res; - - asm ( "fld %%st\n\t" - "fmul %%st(0)\n\t" /* x^2 */ - "fld1\n\t" - "fsubp\n\t" /* 1 - x^2 */ - "fsqrt\n\t" /* sqrt (1 - x^2) */ - "fpatan" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/asinh.c b/winsup/mingw/mingwex/math/asinh.c deleted file mode 100755 index 30404497d..000000000 --- a/winsup/mingw/mingwex/math/asinh.c +++ /dev/null @@ -1,28 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - - /* asinh(x) = copysign(log(fabs(x) + sqrt(x * x + 1.0)), x) */ -double asinh(double x) -{ - double z; - if (!isfinite (x)) - return x; - z = fabs (x); - - /* Avoid setting FPU underflow exception flag in x * x. */ -#if 0 - if ( z < 0x1p-32) - return x; -#endif - - /* Use log1p to avoid cancellation with small x. Put - x * x in denom, so overflow is harmless. - asinh(x) = log1p (x + sqrt (x * x + 1.0) - 1.0) - = log1p (x + x * x / (sqrt (x * x + 1.0) + 1.0)) */ - - z = __fast_log1p (z + z * z / (__fast_sqrt (z * z + 1.0) + 1.0)); - - return ( x > 0.0 ? z : -z); -} - diff --git a/winsup/mingw/mingwex/math/asinhf.c b/winsup/mingw/mingwex/math/asinhf.c deleted file mode 100755 index 080a9278d..000000000 --- a/winsup/mingw/mingwex/math/asinhf.c +++ /dev/null @@ -1,28 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - - /* asinh(x) = copysign(log(fabs(x) + sqrt(x * x + 1.0)), x) */ -float asinhf(float x) -{ - float z; - if (!isfinite (x)) - return x; - z = fabsf (x); - - /* Avoid setting FPU underflow exception flag in x * x. */ -#if 0 - if ( z < 0x1p-32) - return x; -#endif - - - /* Use log1p to avoid cancellation with small x. Put - x * x in denom, so overflow is harmless. - asinh(x) = log1p (x + sqrt (x * x + 1.0) - 1.0) - = log1p (x + x * x / (sqrt (x * x + 1.0) + 1.0)) */ - - z = __fast_log1p (z + z * z / (__fast_sqrt (z * z + 1.0) + 1.0)); - - return ( x > 0.0 ? z : -z); -} diff --git a/winsup/mingw/mingwex/math/asinhl.c b/winsup/mingw/mingwex/math/asinhl.c deleted file mode 100755 index 8f027e83d..000000000 --- a/winsup/mingw/mingwex/math/asinhl.c +++ /dev/null @@ -1,28 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - - /* asinh(x) = copysign(log(fabs(x) + sqrt(x * x + 1.0)), x) */ -long double asinhl(long double x) -{ - long double z; - if (!isfinite (x)) - return x; - - z = fabsl (x); - - /* Avoid setting FPU underflow exception flag in x * x. */ -#if 0 - if ( z < 0x1p-32) - return x; -#endif - - /* Use log1p to avoid cancellation with small x. Put - x * x in denom, so overflow is harmless. - asinh(x) = log1p (x + sqrt (x * x + 1.0) - 1.0) - = log1p (x + x * x / (sqrt (x * x + 1.0) + 1.0)) */ - - z = __fast_log1pl (z + z * z / (__fast_sqrtl (z * z + 1.0L) + 1.0L)); - - return ( x > 0.0 ? z : -z); -} diff --git a/winsup/mingw/mingwex/math/asinl.c b/winsup/mingw/mingwex/math/asinl.c deleted file mode 100644 index a2ac32b39..000000000 --- a/winsup/mingw/mingwex/math/asinl.c +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for long double type by Danny Smith <dannysmith@users.sourceforge.net>. - */ - -/* asin = atan (x / sqrt(1 - x^2)) */ - -long double asinl (long double x) -{ - long double res; - - asm ( "fld %%st\n\t" - "fmul %%st(0)\n\t" /* x^2 */ - "fld1\n\t" - "fsubp\n\t" /* 1 - x^2 */ - "fsqrt\n\t" /* sqrt (1 - x^2) */ - "fpatan" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/atan2f.c b/winsup/mingw/mingwex/math/atan2f.c deleted file mode 100644 index 52ec6f672..000000000 --- a/winsup/mingw/mingwex/math/atan2f.c +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - */ - -#include <math.h> - -float -atan2f (float y, float x) -{ - float res; - asm ("fpatan" : "=t" (res) : "u" (y), "0" (x) : "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/atan2l.c b/winsup/mingw/mingwex/math/atan2l.c deleted file mode 100644 index efd62c1ec..000000000 --- a/winsup/mingw/mingwex/math/atan2l.c +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - */ - -#include <math.h> - -long double -atan2l (long double y, long double x) -{ - long double res; - asm ("fpatan" : "=t" (res) : "u" (y), "0" (x) : "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/atanf.c b/winsup/mingw/mingwex/math/atanf.c deleted file mode 100644 index ae70d5daa..000000000 --- a/winsup/mingw/mingwex/math/atanf.c +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - */ - -#include <math.h> - -float -atanf (float x) -{ - float res; - - asm ("fld1\n\t" - "fpatan" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/atanh.c b/winsup/mingw/mingwex/math/atanh.c deleted file mode 100755 index b5d9ce100..000000000 --- a/winsup/mingw/mingwex/math/atanh.c +++ /dev/null @@ -1,31 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - -/* atanh (x) = 0.5 * log ((1.0 + x)/(1.0 - x)) */ - -double atanh(double x) -{ - double z; - if isnan (x) - return x; - z = fabs (x); - if (z == 1.0) - { - errno = ERANGE; - return (x > 0 ? INFINITY : -INFINITY); - } - if (z > 1.0) - { - errno = EDOM; - return nan(""); - } - /* Rearrange formula to avoid precision loss for small x. - - atanh(x) = 0.5 * log ((1.0 + x)/(1.0 - x)) - = 0.5 * log1p ((1.0 + x)/(1.0 - x) - 1.0) - = 0.5 * log1p ((1.0 + x - 1.0 + x) /(1.0 - x)) - = 0.5 * log1p ((2.0 * x ) / (1.0 - x)) */ - z = 0.5 * __fast_log1p ((z + z) / (1.0 - z)); - return x >= 0 ? z : -z; -} diff --git a/winsup/mingw/mingwex/math/atanhf.c b/winsup/mingw/mingwex/math/atanhf.c deleted file mode 100755 index b7c30823e..000000000 --- a/winsup/mingw/mingwex/math/atanhf.c +++ /dev/null @@ -1,30 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - -/* atanh (x) = 0.5 * log ((1.0 + x)/(1.0 - x)) */ -float atanhf (float x) -{ - float z; - if isnan (x) - return x; - z = fabsf (x); - if (z == 1.0) - { - errno = ERANGE; - return (x > 0 ? INFINITY : -INFINITY); - } - if ( z > 1.0) - { - errno = EDOM; - return nanf(""); - } - /* Rearrange formula to avoid precision loss for small x. - - atanh(x) = 0.5 * log ((1.0 + x)/(1.0 - x)) - = 0.5 * log1p ((1.0 + x)/(1.0 - x) - 1.0) - = 0.5 * log1p ((1.0 + x - 1.0 + x) /(1.0 - x)) - = 0.5 * log1p ((2.0 * x ) / (1.0 - x)) */ - z = 0.5 * __fast_log1p ((z + z) / (1.0 - z)); - return x >= 0 ? z : -z; -} diff --git a/winsup/mingw/mingwex/math/atanhl.c b/winsup/mingw/mingwex/math/atanhl.c deleted file mode 100755 index 2d5fec02a..000000000 --- a/winsup/mingw/mingwex/math/atanhl.c +++ /dev/null @@ -1,29 +0,0 @@ -#include <math.h> -#include <errno.h> -#include "fastmath.h" - -/* atanh (x) = 0.5 * log ((1.0 + x)/(1.0 - x)) */ -long double atanhl (long double x) -{ - long double z; - if isnan (x) - return x; - z = fabsl (x); - if (z == 1.0L) - { - errno = ERANGE; - return (x > 0 ? INFINITY : -INFINITY); - } - if ( z > 1.0L) - { - errno = EDOM; - return nanl(""); - } - /* Rearrange formula to avoid precision loss for small x. - atanh(x) = 0.5 * log ((1.0 + x)/(1.0 - x)) - = 0.5 * log1p ((1.0 + x)/(1.0 - x) - 1.0) - = 0.5 * log1p ((1.0 + x - 1.0 + x) /(1.0 - x)) - = 0.5 * log1p ((2.0 * x ) / (1.0 - x)) */ - z = 0.5L * __fast_log1pl ((z + z) / (1.0L - z)); - return x >= 0 ? z : -z; -} diff --git a/winsup/mingw/mingwex/math/atanl.c b/winsup/mingw/mingwex/math/atanl.c deleted file mode 100644 index 5de06d35b..000000000 --- a/winsup/mingw/mingwex/math/atanl.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - */ - -#include <math.h> - -long double -atanl (long double x) -{ - long double res; - - asm ("fld1\n\t" - "fpatan" - : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/cbrt.c b/winsup/mingw/mingwex/math/cbrt.c deleted file mode 100644 index 93f5c819c..000000000 --- a/winsup/mingw/mingwex/math/cbrt.c +++ /dev/null @@ -1,162 +0,0 @@ -/* cbrt.c - * - * Cube root - * - * - * - * SYNOPSIS: - * - * double x, y, cbrt(); - * - * y = cbrt( x ); - * - * - * - * DESCRIPTION: - * - * Returns the cube root of the argument, which may be negative. - * - * Range reduction involves determining the power of 2 of - * the argument. A polynomial of degree 2 applied to the - * mantissa, and multiplication by the cube root of 1, 2, or 4 - * approximates the root to within about 0.1%. Then Newton's - * iteration is used three times to converge to an accurate - * result. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * DEC -10,10 200000 1.8e-17 6.2e-18 - * IEEE 0,1e308 30000 1.5e-16 5.0e-17 - * - */ -/* cbrt.c */ - -/* -Cephes Math Library Release 2.2: January, 1991 -Copyright 1984, 1991 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - -/* - Modified for mingwex.a - 2002-07-01 Danny Smith <dannysmith@users.sourceforge.net> - */ -#ifdef __MINGW32__ -#include <math.h> -#include "cephes_mconf.h" -#else -#include "mconf.h" -#endif - - -static const double CBRT2 = 1.2599210498948731647672; -static const double CBRT4 = 1.5874010519681994747517; -static const double CBRT2I = 0.79370052598409973737585; -static const double CBRT4I = 0.62996052494743658238361; - -#ifndef __MINGW32__ -#ifdef ANSIPROT -extern double frexp ( double, int * ); -extern double ldexp ( double, int ); -extern int isnan ( double ); -extern int isfinite ( double ); -#else -double frexp(), ldexp(); -int isnan(), isfinite(); -#endif -#endif - -double cbrt(x) -double x; -{ -int e, rem, sign; -double z; - -#ifdef __MINGW32__ -if (!isfinite (x) || x == 0 ) - return x; -#else - -#ifdef NANS -if( isnan(x) ) - return x; -#endif -#ifdef INFINITIES -if( !isfinite(x) ) - return x; -#endif -if( x == 0 ) - return( x ); - -#endif /* __MINGW32__ */ - -if( x > 0 ) - sign = 1; -else - { - sign = -1; - x = -x; - } - -z = x; -/* extract power of 2, leaving - * mantissa between 0.5 and 1 - */ -x = frexp( x, &e ); - -/* Approximate cube root of number between .5 and 1, - * peak relative error = 9.2e-6 - */ -x = (((-1.3466110473359520655053e-1 * x - + 5.4664601366395524503440e-1) * x - - 9.5438224771509446525043e-1) * x - + 1.1399983354717293273738e0 ) * x - + 4.0238979564544752126924e-1; - -/* exponent divided by 3 */ -if( e >= 0 ) - { - rem = e; - e /= 3; - rem -= 3*e; - if( rem == 1 ) - x *= CBRT2; - else if( rem == 2 ) - x *= CBRT4; - } - - -/* argument less than 1 */ - -else - { - e = -e; - rem = e; - e /= 3; - rem -= 3*e; - if( rem == 1 ) - x *= CBRT2I; - else if( rem == 2 ) - x *= CBRT4I; - e = -e; - } - -/* multiply by power of 2 */ -x = ldexp( x, e ); - -/* Newton iteration */ -x -= ( x - (z/(x*x)) )*0.33333333333333333333; -#ifdef DEC -x -= ( x - (z/(x*x)) )/3.0; -#else -x -= ( x - (z/(x*x)) )*0.33333333333333333333; -#endif - -if( sign < 0 ) - x = -x; -return(x); -} diff --git a/winsup/mingw/mingwex/math/cbrtf.c b/winsup/mingw/mingwex/math/cbrtf.c deleted file mode 100644 index 537cf8d98..000000000 --- a/winsup/mingw/mingwex/math/cbrtf.c +++ /dev/null @@ -1,147 +0,0 @@ -/* cbrtf.c - * - * Cube root - * - * - * - * SYNOPSIS: - * - * float x, y, cbrtf(); - * - * y = cbrtf( x ); - * - * - * - * DESCRIPTION: - * - * Returns the cube root of the argument, which may be negative. - * - * Range reduction involves determining the power of 2 of - * the argument. A polynomial of degree 2 applied to the - * mantissa, and multiplication by the cube root of 1, 2, or 4 - * approximates the root to within about 0.1%. Then Newton's - * iteration is used to converge to an accurate result. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE 0,1e38 100000 7.6e-8 2.7e-8 - * - */ -/* cbrt.c */ - -/* -Cephes Math Library Release 2.2: June, 1992 -Copyright 1984, 1987, 1988, 1992 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - -/* - Modified for mingwex.a - 2002-07-01 Danny Smith <dannysmith@users.sourceforge.net> - */ -#ifdef __MINGW32__ -#include <math.h> -#include "cephes_mconf.h" -#else -#include "mconf.h" -#endif - -static const float CBRT2 = 1.25992104989487316477; -static const float CBRT4 = 1.58740105196819947475; - -#ifndef __MINGW32__ -#ifdef ANSIC -float frexpf(float, int *), ldexpf(float, int); - -float cbrtf( float xx ) -#else -float frexpf(), ldexpf(); - -float cbrtf(xx) -double xx; -#endif -{ -int e, rem, sign; -float x, z; - -x = xx; - -#else /* __MINGW32__ */ -float cbrtf (float x) -{ -int e, rem, sign; -float z; -#endif /* __MINGW32__ */ - -#ifdef __MINGW32__ -if (!isfinite (x) || x == 0.0F ) - return x; -#else -if( x == 0 ) - return( 0.0 ); -#endif -if( x > 0 ) - sign = 1; -else - { - sign = -1; - x = -x; - } - -z = x; -/* extract power of 2, leaving - * mantissa between 0.5 and 1 - */ -x = frexpf( x, &e ); - -/* Approximate cube root of number between .5 and 1, - * peak relative error = 9.2e-6 - */ -x = (((-0.13466110473359520655053 * x - + 0.54664601366395524503440 ) * x - - 0.95438224771509446525043 ) * x - + 1.1399983354717293273738 ) * x - + 0.40238979564544752126924; - -/* exponent divided by 3 */ -if( e >= 0 ) - { - rem = e; - e /= 3; - rem -= 3*e; - if( rem == 1 ) - x *= CBRT2; - else if( rem == 2 ) - x *= CBRT4; - } - - -/* argument less than 1 */ - -else - { - e = -e; - rem = e; - e /= 3; - rem -= 3*e; - if( rem == 1 ) - x /= CBRT2; - else if( rem == 2 ) - x /= CBRT4; - e = -e; - } - -/* multiply by power of 2 */ -x = ldexpf( x, e ); - -/* Newton iteration */ -x -= ( x - (z/(x*x)) ) * 0.333333333333; - -if( sign < 0 ) - x = -x; -return(x); -} diff --git a/winsup/mingw/mingwex/math/cbrtl.c b/winsup/mingw/mingwex/math/cbrtl.c deleted file mode 100644 index 36bd48f70..000000000 --- a/winsup/mingw/mingwex/math/cbrtl.c +++ /dev/null @@ -1,161 +0,0 @@ -/* cbrtl.c - * - * Cube root, long double precision - * - * - * - * SYNOPSIS: - * - * long double x, y, cbrtl(); - * - * y = cbrtl( x ); - * - * - * - * DESCRIPTION: - * - * Returns the cube root of the argument, which may be negative. - * - * Range reduction involves determining the power of 2 of - * the argument. A polynomial of degree 2 applied to the - * mantissa, and multiplication by the cube root of 1, 2, or 4 - * approximates the root to within about 0.1%. Then Newton's - * iteration is used three times to converge to an accurate - * result. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE .125,8 80000 7.0e-20 2.2e-20 - * IEEE exp(+-707) 100000 7.0e-20 2.4e-20 - * - */ - - -/* -Cephes Math Library Release 2.2: January, 1991 -Copyright 1984, 1991 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - -/* - Modified for mingwex.a - 2002-07-01 Danny Smith <dannysmith@users.sourceforge.net> - */ -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -#endif - -static const long double CBRT2 = 1.2599210498948731647672L; -static const long double CBRT4 = 1.5874010519681994747517L; -static const long double CBRT2I = 0.79370052598409973737585L; -static const long double CBRT4I = 0.62996052494743658238361L; - -#ifndef __MINGW32__ - -#ifdef ANSIPROT -extern long double frexpl ( long double, int * ); -extern long double ldexpl ( long double, int ); -extern int isnanl ( long double ); -#else -long double frexpl(), ldexpl(); -extern int isnanl(); -#endif - -#ifdef INFINITIES -extern long double INFINITYL; -#endif - -#endif /* __MINGW32__ */ - -long double cbrtl(x) -long double x; -{ -int e, rem, sign; -long double z; - -#ifdef __MINGW32__ -if (!isfinite (x) || x == 0.0L) - return(x); -#else - -#ifdef NANS -if(isnanl(x)) - return(x); -#endif -#ifdef INFINITIES -if( x == INFINITYL) - return(x); -if( x == -INFINITYL) - return(x); -#endif -if( x == 0 ) - return( x ); - -#endif /* __MINGW32__ */ - -if( x > 0 ) - sign = 1; -else - { - sign = -1; - x = -x; - } - -z = x; -/* extract power of 2, leaving - * mantissa between 0.5 and 1 - */ -x = frexpl( x, &e ); - -/* Approximate cube root of number between .5 and 1, - * peak relative error = 1.2e-6 - */ -x = (((( 1.3584464340920900529734e-1L * x - - 6.3986917220457538402318e-1L) * x - + 1.2875551670318751538055e0L) * x - - 1.4897083391357284957891e0L) * x - + 1.3304961236013647092521e0L) * x - + 3.7568280825958912391243e-1L; - -/* exponent divided by 3 */ -if( e >= 0 ) - { - rem = e; - e /= 3; - rem -= 3*e; - if( rem == 1 ) - x *= CBRT2; - else if( rem == 2 ) - x *= CBRT4; - } -else - { /* argument less than 1 */ - e = -e; - rem = e; - e /= 3; - rem -= 3*e; - if( rem == 1 ) - x *= CBRT2I; - else if( rem == 2 ) - x *= CBRT4I; - e = -e; - } - -/* multiply by power of 2 */ -x = ldexpl( x, e ); - -/* Newton iteration */ - -x -= ( x - (z/(x*x)) )*0.3333333333333333333333L; -x -= ( x - (z/(x*x)) )*0.3333333333333333333333L; - -if( sign < 0 ) - x = -x; -return(x); -} diff --git a/winsup/mingw/mingwex/math/ceilf.S b/winsup/mingw/mingwex/math/ceilf.S deleted file mode 100644 index ffcdfc687..000000000 --- a/winsup/mingw/mingwex/math/ceilf.S +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "ceilf.S" - .text - .align 4 -.globl _ceilf - .def _ceilf; .scl 2; .type 32; .endef -_ceilf: - flds 4(%esp) - subl $8,%esp - - fstcw 4(%esp) /* store fpu control word */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x0800,%edx /* round towards +oo */ - orl 4(%esp),%edx - andl $0xfbff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - fldcw 4(%esp) /* restore original control word */ - - addl $8,%esp - ret diff --git a/winsup/mingw/mingwex/math/ceill.S b/winsup/mingw/mingwex/math/ceill.S deleted file mode 100644 index 29cb27a62..000000000 --- a/winsup/mingw/mingwex/math/ceill.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - */ - - - .file "ceill.S" - .text - .align 4 -.globl _ceill - .def _ceill; .scl 2; .type 32; .endef -_ceill: - fldt 4(%esp) - subl $8,%esp - - fstcw 4(%esp) /* store fpu control word */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x0800,%edx /* round towards +oo */ - orl 4(%esp),%edx - andl $0xfbff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - fldcw 4(%esp) /* restore original control word */ - - addl $8,%esp - ret diff --git a/winsup/mingw/mingwex/math/cephes_emath.c b/winsup/mingw/mingwex/math/cephes_emath.c deleted file mode 100644 index ab798a2d2..000000000 --- a/winsup/mingw/mingwex/math/cephes_emath.c +++ /dev/null @@ -1,1318 +0,0 @@ -/* This file is extracted from S L Moshier's ioldoubl.c, - * modified for use in MinGW - * - * Extended precision arithmetic functions for long double I/O. - * This program has been placed in the public domain. - */ - - - -/* - * Revision history: - * - * 5 Jan 84 PDP-11 assembly language version - * 6 Dec 86 C language version - * 30 Aug 88 100 digit version, improved rounding - * 15 May 92 80-bit long double support - * - * Author: S. L. Moshier. - * - * 6 Oct 02 Modified for MinGW by inlining utility routines, - * removing global variables and splitting out strtold - * from _IO_ldtoa and _IO_ldtostr. - * - * Danny Smith <dannysmith@users.sourceforge.net> - * - */ - - -#include "cephes_emath.h" - -/* - * The constants are for 64 bit precision. - */ - - -/* Move in external format number, - * converting it to internal format. - */ -void __emovi(const short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b) -{ -register const unsigned short *p; -register unsigned short *q; -int i; - -q = b; -p = a + (NE-1); /* point to last word of external number */ -/* get the sign bit */ -if( *p & 0x8000 ) - *q++ = 0xffff; -else - *q++ = 0; -/* get the exponent */ -*q = *p--; -*q++ &= 0x7fff; /* delete the sign bit */ -#ifdef INFINITY -if( (*(q-1) & 0x7fff) == 0x7fff ) - { -#ifdef NANS - if( __eisnan(a) ) - { - *q++ = 0; - for( i=3; i<NI; i++ ) - *q++ = *p--; - return; - } -#endif - for( i=2; i<NI; i++ ) - *q++ = 0; - return; - } -#endif -/* clear high guard word */ -*q++ = 0; -/* move in the significand */ -for( i=0; i<NE-1; i++ ) - *q++ = *p--; -/* clear low guard word */ -*q = 0; -} - - -/* -; Add significands -; x + y replaces y -*/ - -void __eaddm(const short unsigned int * __restrict__ x, - short unsigned int * __restrict__ y) -{ -register unsigned long a; -int i; -unsigned int carry; - -x += NI-1; -y += NI-1; -carry = 0; -for( i=M; i<NI; i++ ) - { - a = (unsigned long )(*x) + (unsigned long )(*y) + carry; - if( a & 0x10000 ) - carry = 1; - else - carry = 0; - *y = (unsigned short )a; - --x; - --y; - } -} - -/* -; Subtract significands -; y - x replaces y -*/ - -void __esubm(const short unsigned int * __restrict__ x, - short unsigned int * __restrict__ y) -{ -unsigned long a; -int i; -unsigned int carry; - -x += NI-1; -y += NI-1; -carry = 0; -for( i=M; i<NI; i++ ) - { - a = (unsigned long )(*y) - (unsigned long )(*x) - carry; - if( a & 0x10000 ) - carry = 1; - else - carry = 0; - *y = (unsigned short )a; - --x; - --y; - } -} - - -/* Multiply significand of e-type number b -by 16-bit quantity a, e-type result to c. */ - -static void __m16m(short unsigned int a, - short unsigned int * __restrict__ b, - short unsigned int * __restrict__ c) -{ -register unsigned short *pp; -register unsigned long carry; -unsigned short *ps; -unsigned short p[NI]; -unsigned long aa, m; -int i; - -aa = a; -pp = &p[NI-2]; -*pp++ = 0; -*pp = 0; -ps = &b[NI-1]; - -for( i=M+1; i<NI; i++ ) - { - if( *ps == 0 ) - { - --ps; - --pp; - *(pp-1) = 0; - } - else - { - m = (unsigned long) aa * *ps--; - carry = (m & 0xffff) + *pp; - *pp-- = (unsigned short )carry; - carry = (carry >> 16) + (m >> 16) + *pp; - *pp = (unsigned short )carry; - *(pp-1) = carry >> 16; - } - } -for( i=M; i<NI; i++ ) - c[i] = p[i]; -} - - -/* Divide significands. Neither the numerator nor the denominator -is permitted to have its high guard word nonzero. */ - - -int __edivm(short unsigned int * __restrict__ den, - short unsigned int * __restrict__ num) -{ -int i; -register unsigned short *p; -unsigned long tnum; -unsigned short j, tdenm, tquot; -unsigned short tprod[NI+1]; -unsigned short equot[NI]; - -p = &equot[0]; -*p++ = num[0]; -*p++ = num[1]; - -for( i=M; i<NI; i++ ) - { - *p++ = 0; - } -__eshdn1( num ); -tdenm = den[M+1]; -for( i=M; i<NI; i++ ) - { - /* Find trial quotient digit (the radix is 65536). */ - tnum = (((unsigned long) num[M]) << 16) + num[M+1]; - - /* Do not execute the divide instruction if it will overflow. */ - if( (tdenm * 0xffffUL) < tnum ) - tquot = 0xffff; - else - tquot = tnum / tdenm; - - /* Prove that the divide worked. */ -/* - tcheck = (unsigned long )tquot * tdenm; - if( tnum - tcheck > tdenm ) - tquot = 0xffff; -*/ - /* Multiply denominator by trial quotient digit. */ - __m16m( tquot, den, tprod ); - /* The quotient digit may have been overestimated. */ - if( __ecmpm( tprod, num ) > 0 ) - { - tquot -= 1; - __esubm( den, tprod ); - if( __ecmpm( tprod, num ) > 0 ) - { - tquot -= 1; - __esubm( den, tprod ); - } - } - __esubm( tprod, num ); - equot[i] = tquot; - __eshup6(num); - } -/* test for nonzero remainder after roundoff bit */ -p = &num[M]; -j = 0; -for( i=M; i<NI; i++ ) - { - j |= *p++; - } -if( j ) - j = 1; - -for( i=0; i<NI; i++ ) - num[i] = equot[i]; - -return( (int )j ); -} - - - -/* Multiply significands */ -int __emulm(const short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b) -{ -const unsigned short *p; -unsigned short *q; -unsigned short pprod[NI]; -unsigned short equot[NI]; -unsigned short j; -int i; - -equot[0] = b[0]; -equot[1] = b[1]; -for( i=M; i<NI; i++ ) - equot[i] = 0; - -j = 0; -p = &a[NI-1]; -q = &equot[NI-1]; -for( i=M+1; i<NI; i++ ) - { - if( *p == 0 ) - { - --p; - } - else - { - __m16m( *p--, b, pprod ); - __eaddm(pprod, equot); - } - j |= *q; - __eshdn6(equot); - } - -for( i=0; i<NI; i++ ) - b[i] = equot[i]; - -/* return flag for lost nonzero bits */ -return( (int)j ); -} - - - -/* - * Normalize and round off. - * - * The internal format number to be rounded is "s". - * Input "lost" indicates whether the number is exact. - * This is the so-called sticky bit. - * - * Input "subflg" indicates whether the number was obtained - * by a subtraction operation. In that case if lost is nonzero - * then the number is slightly smaller than indicated. - * - * Input "exp" is the biased exponent, which may be negative. - * the exponent field of "s" is ignored but is replaced by - * "exp" as adjusted by normalization and rounding. - * - * Input "rcntrl" is the rounding control. - * - * Input "rnprc" is precison control (64 or NBITS). - */ - -void __emdnorm(short unsigned int *s, int lost, int subflg, long int exp, int rcntrl, int rndprc) -{ -int i, j; -unsigned short r; -int rw = NI-1; /* low guard word */ -int re = NI-2; -const unsigned short rmsk = 0xffff; -const unsigned short rmbit = 0x8000; -#if NE == 6 -unsigned short rbit[NI] = {0,0,0,0,0,0,0,1,0}; -#else -unsigned short rbit[NI] = {0,0,0,0,0,0,0,0,0,0,0,1,0}; -#endif - -/* Normalize */ -j = __enormlz( s ); - -/* a blank significand could mean either zero or infinity. */ -#ifndef INFINITY -if( j > NBITS ) - { - __ecleazs( s ); - return; - } -#endif -exp -= j; -#ifndef INFINITY -if( exp >= 32767L ) - goto overf; -#else -if( (j > NBITS) && (exp < 32767L) ) - { - __ecleazs( s ); - return; - } -#endif -if( exp < 0L ) - { - if( exp > (long )(-NBITS-1) ) - { - j = (int )exp; - i = __eshift( s, j ); - if( i ) - lost = 1; - } - else - { - __ecleazs( s ); - return; - } - } -/* Round off, unless told not to by rcntrl. */ -if( rcntrl == 0 ) - goto mdfin; -if (rndprc == 64) - { - rw = 7; - re = 6; - rbit[NI-2] = 0; - rbit[6] = 1; - } - -/* Shift down 1 temporarily if the data structure has an implied - * most significant bit and the number is denormal. - * For rndprc = 64 or NBITS, there is no implied bit. - * But Intel long double denormals lose one bit of significance even so. - */ -#if IBMPC -if( (exp <= 0) && (rndprc != NBITS) ) -#else -if( (exp <= 0) && (rndprc != 64) && (rndprc != NBITS) ) -#endif - { - lost |= s[NI-1] & 1; - __eshdn1(s); - } -/* Clear out all bits below the rounding bit, - * remembering in r if any were nonzero. - */ -r = s[rw] & rmsk; -if( rndprc < NBITS ) - { - i = rw + 1; - while( i < NI ) - { - if( s[i] ) - r |= 1; - s[i] = 0; - ++i; - } - } -s[rw] &= ~rmsk; -if( (r & rmbit) != 0 ) - { - if( r == rmbit ) - { - if( lost == 0 ) - { /* round to even */ - if( (s[re] & 1) == 0 ) - goto mddone; - } - else - { - if( subflg != 0 ) - goto mddone; - } - } - __eaddm( rbit, s ); - } -mddone: -#if IBMPC -if( (exp <= 0) && (rndprc != NBITS) ) -#else -if( (exp <= 0) && (rndprc != 64) && (rndprc != NBITS) ) -#endif - { - __eshup1(s); - } -if( s[2] != 0 ) - { /* overflow on roundoff */ - __eshdn1(s); - exp += 1; - } -mdfin: -s[NI-1] = 0; -if( exp >= 32767L ) - { -#ifndef INFINITY -overf: -#endif -#ifdef INFINITY - s[1] = 32767; - for( i=2; i<NI-1; i++ ) - s[i] = 0; -#else - s[1] = 32766; - s[2] = 0; - for( i=M+1; i<NI-1; i++ ) - s[i] = 0xffff; - s[NI-1] = 0; - if( (rndprc < 64) || (rndprc == 113) ) - s[rw] &= ~rmsk; -#endif - return; - } -if( exp < 0 ) - s[1] = 0; -else - s[1] = (unsigned short )exp; -} - - -/* -; Multiply. -; -; unsigned short a[NE], b[NE], c[NE]; -; emul( a, b, c ); c = b * a -*/ -void __emul(const short unsigned int *a, - const short unsigned int *b, - short unsigned int *c) -{ -unsigned short ai[NI], bi[NI]; -int i, j; -long lt, lta, ltb; - -#ifdef NANS -/* NaN times anything is the same NaN. */ -if( __eisnan(a) ) - { - __emov(a,c); - return; - } -if( __eisnan(b) ) - { - __emov(b,c); - return; - } -/* Zero times infinity is a NaN. */ -if( (__eisinf(a) && __eiiszero(b)) - || (__eisinf(b) && __eiiszero(a)) ) - { - mtherr( "emul", DOMAIN ); - __enan_NBITS( c ); - return; - } -#endif -/* Infinity times anything else is infinity. */ -#ifdef INFINITY -if( __eisinf(a) || __eisinf(b) ) - { - if( __eisneg(a) ^ __eisneg(b) ) - *(c+(NE-1)) = 0x8000; - else - *(c+(NE-1)) = 0; - __einfin(c); - return; - } -#endif -__emovi( a, ai ); -__emovi( b, bi ); -lta = ai[E]; -ltb = bi[E]; -if( ai[E] == 0 ) - { - for( i=1; i<NI-1; i++ ) - { - if( ai[i] != 0 ) - { - lta -= __enormlz( ai ); - goto mnzer1; - } - } - __eclear(c); - return; - } -mnzer1: - -if( bi[E] == 0 ) - { - for( i=1; i<NI-1; i++ ) - { - if( bi[i] != 0 ) - { - ltb -= __enormlz( bi ); - goto mnzer2; - } - } - __eclear(c); - return; - } -mnzer2: - -/* Multiply significands */ -j = __emulm( ai, bi ); -/* calculate exponent */ -lt = lta + ltb - (EXONE - 1); -__emdnorm( bi, j, 0, lt, 64, NBITS ); -/* calculate sign of product */ -if( ai[0] == bi[0] ) - bi[0] = 0; -else - bi[0] = 0xffff; -__emovo( bi, c ); -} - - -/* move out internal format to ieee long double */ -void __toe64(short unsigned int *a, short unsigned int *b) -{ -register unsigned short *p, *q; -unsigned short i; - -#ifdef NANS -if( __eiisnan(a) ) - { - __enan_64( b ); - return; - } -#endif -#ifdef IBMPC -/* Shift Intel denormal significand down 1. */ -if( a[E] == 0 ) - __eshdn1(a); -#endif -p = a; -#ifdef MIEEE -q = b; -#else -q = b + 4; /* point to output exponent */ -#if 1 -/* NOTE: if data type is 96 bits wide, clear the last word here. */ -*(q+1)= 0; -#endif -#endif - -/* combine sign and exponent */ -i = *p++; -#ifdef MIEEE -if( i ) - *q++ = *p++ | 0x8000; -else - *q++ = *p++; -*q++ = 0; -#else -if( i ) - *q-- = *p++ | 0x8000; -else - *q-- = *p++; -#endif -/* skip over guard word */ -++p; -/* move the significand */ -#ifdef MIEEE -for( i=0; i<4; i++ ) - *q++ = *p++; -#else -#ifdef INFINITY -if (__eiisinf (a)) - { - /* Intel long double infinity. */ - *q-- = 0x8000; - *q-- = 0; - *q-- = 0; - *q = 0; - return; - } -#endif -for( i=0; i<4; i++ ) - *q-- = *p++; -#endif -} - - -/* Compare two e type numbers. - * - * unsigned short a[NE], b[NE]; - * ecmp( a, b ); - * - * returns +1 if a > b - * 0 if a == b - * -1 if a < b - * -2 if either a or b is a NaN. - */ -int __ecmp(const short unsigned int * __restrict__ a, - const short unsigned int * __restrict__ b) -{ -unsigned short ai[NI], bi[NI]; -register unsigned short *p, *q; -register int i; -int msign; - -#ifdef NANS -if (__eisnan (a) || __eisnan (b)) - return( -2 ); -#endif -__emovi( a, ai ); -p = ai; -__emovi( b, bi ); -q = bi; - -if( *p != *q ) - { /* the signs are different */ -/* -0 equals + 0 */ - for( i=1; i<NI-1; i++ ) - { - if( ai[i] != 0 ) - goto nzro; - if( bi[i] != 0 ) - goto nzro; - } - return(0); -nzro: - if( *p == 0 ) - return( 1 ); - else - return( -1 ); - } -/* both are the same sign */ -if( *p == 0 ) - msign = 1; -else - msign = -1; -i = NI-1; -do - { - if( *p++ != *q++ ) - { - goto diff; - } - } -while( --i > 0 ); - -return(0); /* equality */ - - - -diff: - -if( *(--p) > *(--q) ) - return( msign ); /* p is bigger */ -else - return( -msign ); /* p is littler */ -} - -/* -; Shift significand -; -; Shifts significand area up or down by the number of bits -; given by the variable sc. -*/ -int __eshift(short unsigned int *x, int sc) -{ -unsigned short lost; -unsigned short *p; - -if( sc == 0 ) - return( 0 ); - -lost = 0; -p = x + NI-1; - -if( sc < 0 ) - { - sc = -sc; - while( sc >= 16 ) - { - lost |= *p; /* remember lost bits */ - __eshdn6(x); - sc -= 16; - } - - while( sc >= 8 ) - { - lost |= *p & 0xff; - __eshdn8(x); - sc -= 8; - } - - while( sc > 0 ) - { - lost |= *p & 1; - __eshdn1(x); - sc -= 1; - } - } -else - { - while( sc >= 16 ) - { - __eshup6(x); - sc -= 16; - } - - while( sc >= 8 ) - { - __eshup8(x); - sc -= 8; - } - - while( sc > 0 ) - { - __eshup1(x); - sc -= 1; - } - } -if( lost ) - lost = 1; -return( (int )lost ); -} - - - -/* -; normalize -; -; Shift normalizes the significand area pointed to by argument -; shift count (up = positive) is returned. -*/ -int __enormlz(short unsigned int *x) -{ -register unsigned short *p; -int sc; - -sc = 0; -p = &x[M]; -if( *p != 0 ) - goto normdn; -++p; -if( *p & 0x8000 ) - return( 0 ); /* already normalized */ -while( *p == 0 ) - { - __eshup6(x); - sc += 16; -/* With guard word, there are NBITS+16 bits available. - * return true if all are zero. - */ - if( sc > NBITS ) - return( sc ); - } -/* see if high byte is zero */ -while( (*p & 0xff00) == 0 ) - { - __eshup8(x); - sc += 8; - } -/* now shift 1 bit at a time */ -while( (*p & 0x8000) == 0) - { - __eshup1(x); - sc += 1; - if( sc > (NBITS+16) ) - { - mtherr( "enormlz", UNDERFLOW ); - return( sc ); - } - } -return( sc ); - -/* Normalize by shifting down out of the high guard word - of the significand */ -normdn: - -if( *p & 0xff00 ) - { - __eshdn8(x); - sc -= 8; - } -while( *p != 0 ) - { - __eshdn1(x); - sc -= 1; - - if( sc < -NBITS ) - { - mtherr( "enormlz", OVERFLOW ); - return( sc ); - } - } -return( sc ); -} - - -/* Move internal format number out, - * converting it to external format. - */ -void __emovo(const short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b) -{ -register const unsigned short *p; -register unsigned short *q; -unsigned short i; - -p = a; -q = b + (NE-1); /* point to output exponent */ -/* combine sign and exponent */ -i = *p++; -if( i ) - *q-- = *p++ | 0x8000; -else - *q-- = *p++; -#ifdef INFINITY -if( *(p-1) == 0x7fff ) - { -#ifdef NANS - if( __eiisnan(a) ) - { - __enan_NBITS( b ); - return; - } -#endif - __einfin(b); - return; - } -#endif -/* skip over guard word */ -++p; -/* move the significand */ -for( i=0; i<NE-1; i++ ) - *q-- = *p++; -} - - -#if USE_LDTOA - - -void __eiremain(short unsigned int *den, short unsigned int *num, - short unsigned int *equot ) -{ -long ld, ln; -unsigned short j; - -ld = den[E]; -ld -= __enormlz( den ); -ln = num[E]; -ln -= __enormlz( num ); -__ecleaz( equot ); -while( ln >= ld ) - { - if( __ecmpm(den,num) <= 0 ) - { - __esubm(den, num); - j = 1; - } - else - { - j = 0; - } - __eshup1(equot); - equot[NI-1] |= j; - __eshup1(num); - ln -= 1; - } -__emdnorm( num, 0, 0, ln, 0, NBITS ); -} - - -void __eadd1(const short unsigned int * __restrict__ a, - const short unsigned int * __restrict__ b, - short unsigned int * __restrict__ c, - int subflg) -{ -unsigned short ai[NI], bi[NI], ci[NI]; -int i, lost, j, k; -long lt, lta, ltb; - -#ifdef INFINITY -if( __eisinf(a) ) - { - __emov(a,c); - if( subflg ) - __eneg(c); - return; - } -if( __eisinf(b) ) - { - __emov(b,c); - return; - } -#endif -__emovi( a, ai ); -__emovi( b, bi ); -if( sub ) - ai[0] = ~ai[0]; - -/* compare exponents */ -lta = ai[E]; -ltb = bi[E]; -lt = lta - ltb; -if( lt > 0L ) - { /* put the larger number in bi */ - __emovz( bi, ci ); - __emovz( ai, bi ); - __emovz( ci, ai ); - ltb = bi[E]; - lt = -lt; - } -lost = 0; -if( lt != 0L ) - { - if( lt < (long )(-NBITS-1) ) - goto done; /* answer same as larger addend */ - k = (int )lt; - lost = __eshift( ai, k ); /* shift the smaller number down */ - } -else - { -/* exponents were the same, so must compare significands */ - i = __ecmpm( ai, bi ); - if( i == 0 ) - { /* the numbers are identical in magnitude */ - /* if different signs, result is zero */ - if( ai[0] != bi[0] ) - { - __eclear(c); - return; - } - /* if same sign, result is double */ - /* double denomalized tiny number */ - if( (bi[E] == 0) && ((bi[3] & 0x8000) == 0) ) - { - __eshup1( bi ); - goto done; - } - /* add 1 to exponent unless both are zero! */ - for( j=1; j<NI-1; j++ ) - { - if( bi[j] != 0 ) - { -/* This could overflow, but let emovo take care of that. */ - ltb += 1; - break; - } - } - bi[E] = (unsigned short )ltb; - goto done; - } - if( i > 0 ) - { /* put the larger number in bi */ - __emovz( bi, ci ); - __emovz( ai, bi ); - __emovz( ci, ai ); - } - } -if( ai[0] == bi[0] ) - { - __eaddm( ai, bi ); - subflg = 0; - } -else - { - __esubm( ai, bi ); - subflg = 1; - } -__emdnorm( bi, lost, subflg, ltb, 64, NBITS); - -done: -__emovo( bi, c ); -} - - -/* y = largest integer not greater than x - * (truncated toward minus infinity) - * - * unsigned short x[NE], y[NE] - * - * efloor( x, y ); - */ - - -void __efloor(short unsigned int *x, short unsigned int *y) -{ -register unsigned short *p; -int e, expon, i; -unsigned short f[NE]; -const unsigned short bmask[] = { -0xffff, -0xfffe, -0xfffc, -0xfff8, -0xfff0, -0xffe0, -0xffc0, -0xff80, -0xff00, -0xfe00, -0xfc00, -0xf800, -0xf000, -0xe000, -0xc000, -0x8000, -0x0000, -}; - -__emov( x, f ); /* leave in external format */ -expon = (int )f[NE-1]; -e = (expon & 0x7fff) - (EXONE - 1); -if( e <= 0 ) - { - __eclear(y); - goto isitneg; - } -/* number of bits to clear out */ -e = NBITS - e; -__emov( f, y ); -if( e <= 0 ) - return; - -p = &y[0]; -while( e >= 16 ) - { - *p++ = 0; - e -= 16; - } -/* clear the remaining bits */ -*p &= bmask[e]; -/* truncate negatives toward minus infinity */ -isitneg: - -if( (unsigned short )expon & (unsigned short )0x8000 ) - { - for( i=0; i<NE-1; i++ ) - { - if( f[i] != y[i] ) - { - __esub( __eone, y, y ); - break; - } - } - } -} - -/* -; Subtract external format numbers. -; -; unsigned short a[NE], b[NE], c[NE]; -; esub( a, b, c ); c = b - a -*/ - - -void __esub(const short unsigned int * a, - const short unsigned int * b, - short unsigned int * c) -{ - -#ifdef NANS -if( __eisnan(a) ) - { - __emov (a, c); - return; - } -if( __eisnan(b) ) - { - __emov(b,c); - return; - } -/* Infinity minus infinity is a NaN. - * Test for subtracting infinities of the same sign. - */ -if( __eisinf(a) && __eisinf(b) && ((__eisneg (a) ^ __eisneg (b)) == 0)) - { - mtherr( "esub", DOMAIN ); - __enan_NBITS( c ); - return; - } -#endif -__eadd1( a, b, c, 1 ); -} - - - -/* -; Divide. -; -; unsigned short a[NI], b[NI], c[NI]; -; ediv( a, b, c ); c = b / a -*/ - -void __ediv(const short unsigned int *a, - const short unsigned int *b, - short unsigned int *c) -{ -unsigned short ai[NI], bi[NI]; -int i; -long lt, lta, ltb; - -#ifdef NANS -/* Return any NaN input. */ -if( __eisnan(a) ) - { - __emov(a,c); - return; - } -if( __eisnan(b) ) - { - __emov(b,c); - return; - } -/* Zero over zero, or infinity over infinity, is a NaN. */ -if( (__eiszero(a) && __eiszero(b)) - || (__eisinf (a) && __eisinf (b)) ) - { - mtherr( "ediv", DOMAIN ); - __enan_NBITS( c ); - return; - } -#endif -/* Infinity over anything else is infinity. */ -#ifdef INFINITY -if( __eisinf(b) ) - { - if( __eisneg(a) ^ __eisneg(b) ) - *(c+(NE-1)) = 0x8000; - else - *(c+(NE-1)) = 0; - __einfin(c); - return; - } -if( __eisinf(a) ) - { - __eclear(c); - return; - } -#endif -__emovi( a, ai ); -__emovi( b, bi ); -lta = ai[E]; -ltb = bi[E]; -if( bi[E] == 0 ) - { /* See if numerator is zero. */ - for( i=1; i<NI-1; i++ ) - { - if( bi[i] != 0 ) - { - ltb -= __enormlz( bi ); - goto dnzro1; - } - } - __eclear(c); - return; - } -dnzro1: - -if( ai[E] == 0 ) - { /* possible divide by zero */ - for( i=1; i<NI-1; i++ ) - { - if( ai[i] != 0 ) - { - lta -= __enormlz( ai ); - goto dnzro2; - } - } - if( ai[0] == bi[0] ) - *(c+(NE-1)) = 0; - else - *(c+(NE-1)) = 0x8000; - __einfin(c); - mtherr( "ediv", SING ); - return; - } -dnzro2: - -i = __edivm( ai, bi ); -/* calculate exponent */ -lt = ltb - lta + EXONE; -__emdnorm( bi, i, 0, lt, 64, NBITS ); -/* set the sign */ -if( ai[0] == bi[0] ) - bi[0] = 0; -else - bi[0] = 0Xffff; -__emovo( bi, c ); -} - -void __e64toe(short unsigned int *pe, short unsigned int *y) -{ -unsigned short yy[NI]; -unsigned short *p, *q, *e; -int i; - -e = pe; -p = yy; -for( i=0; i<NE-5; i++ ) - *p++ = 0; -#ifdef IBMPC -for( i=0; i<5; i++ ) - *p++ = *e++; -#endif -#ifdef DEC -for( i=0; i<5; i++ ) - *p++ = *e++; -#endif -#ifdef MIEEE -p = &yy[0] + (NE-1); -*p-- = *e++; -++e; -for( i=0; i<4; i++ ) - *p-- = *e++; -#endif - -#ifdef IBMPC -/* For Intel long double, shift denormal significand up 1 - -- but only if the top significand bit is zero. */ -if((yy[NE-1] & 0x7fff) == 0 && (yy[NE-2] & 0x8000) == 0) - { - unsigned short temp[NI+1]; - __emovi(yy, temp); - __eshup1(temp); - __emovo(temp,y); - return; - } -#endif -#ifdef INFINITY -/* Point to the exponent field. */ -p = &yy[NE-1]; -if( *p == 0x7fff ) - { -#ifdef NANS -#ifdef IBMPC - for( i=0; i<4; i++ ) - { - if((i != 3 && pe[i] != 0) - /* Check for Intel long double infinity pattern. */ - || (i == 3 && pe[i] != 0x8000)) - { - __enan_NBITS( y ); - return; - } - } -#else - for( i=1; i<=4; i++ ) - { - if( pe[i] != 0 ) - { - __enan_NBITS( y ); - return; - } - } -#endif -#endif /* NANS */ - __eclear( y ); - __einfin( y ); - if( *p & 0x8000 ) - __eneg(y); - return; - } -#endif -p = yy; -q = y; -for( i=0; i<NE; i++ ) - *q++ = *p++; -} - -#endif /* USE_LDTOA */ diff --git a/winsup/mingw/mingwex/math/cephes_emath.h b/winsup/mingw/mingwex/math/cephes_emath.h deleted file mode 100644 index 121937a8f..000000000 --- a/winsup/mingw/mingwex/math/cephes_emath.h +++ /dev/null @@ -1,713 +0,0 @@ -#ifndef _CEPHES_EMATH_H -#define _CEPHES_EMATH_H - -/* This file is extracted from S L Moshier's ioldoubl.c, - * modified for use in MinGW - * - * Extended precision arithmetic functions for long double I/O. - * This program has been placed in the public domain. - */ - - - -/* - * Revision history: - * - * 5 Jan 84 PDP-11 assembly language version - * 6 Dec 86 C language version - * 30 Aug 88 100 digit version, improved rounding - * 15 May 92 80-bit long double support - * - * Author: S. L. Moshier. - * - * 6 Oct 02 Modified for MinGW by inlining utility routines, - * removing global variables, and splitting out strtold - * from _IO_ldtoa and _IO_ldtostr. - * - * Danny Smith <dannysmith@users.sourceforge.net> - * - */ - - - -/* ieee.c - * - * Extended precision IEEE binary floating point arithmetic routines - * - * Numbers are stored in C language as arrays of 16-bit unsigned - * short integers. The arguments of the routines are pointers to - * the arrays. - * - * - * External e type data structure, simulates Intel 8087 chip - * temporary real format but possibly with a larger significand: - * - * NE-1 significand words (least significant word first, - * most significant bit is normally set) - * exponent (value = EXONE for 1.0, - * top bit is the sign) - * - * - * Internal data structure of a number (a "word" is 16 bits): - * - * ei[0] sign word (0 for positive, 0xffff for negative) - * ei[1] biased __exponent (value = EXONE for the number 1.0) - * ei[2] high guard word (always zero after normalization) - * ei[3] - * to ei[NI-2] significand (NI-4 significand words, - * most significant word first, - * most significant bit is set) - * ei[NI-1] low guard word (0x8000 bit is rounding place) - * - * - * - * Routines for external format numbers - * - * __asctoe64( string, &d ) ASCII string to long double - * __asctoeg( string, e, prec ) ASCII string to specified precision - * __e64toe( &d, e ) IEEE long double precision to e type - * __eadd( a, b, c ) c = b + a - * __eclear(e) e = 0 - * __ecmp (a, b) Returns 1 if a > b, 0 if a == b, - * -1 if a < b, -2 if either a or b is a NaN. - * __ediv( a, b, c ) c = b / a - * __efloor( a, b ) truncate to integer, toward -infinity - * __efrexp( a, exp, s ) extract exponent and significand - * __eifrac( e, &l, frac ) e to long integer and e type fraction - * __euifrac( e, &l, frac ) e to unsigned long integer and e type fraction - * __einfin( e ) set e to infinity, leaving its sign alone - * __eldexp( a, n, b ) multiply by 2**n - * __emov( a, b ) b = a - * __emul( a, b, c ) c = b * a - * __eneg(e) e = -e - * __eround( a, b ) b = nearest integer value to a - * __esub( a, b, c ) c = b - a - * __e24toasc( &f, str, n ) single to ASCII string, n digits after decimal - * __e53toasc( &d, str, n ) double to ASCII string, n digits after decimal - * __e64toasc( &d, str, n ) long double to ASCII string - * __etoasc( e, str, n ) e to ASCII string, n digits after decimal - * __etoe24( e, &f ) convert e type to IEEE single precision - * __etoe53( e, &d ) convert e type to IEEE double precision - * __etoe64( e, &d ) convert e type to IEEE long double precision - * __eisneg( e ) 1 if sign bit of e != 0, else 0 - * __eisinf( e ) 1 if e has maximum exponent (non-IEEE) - * or is infinite (IEEE) - * __eisnan( e ) 1 if e is a NaN - * __esqrt( a, b ) b = square root of a - * - * - * Routines for internal format numbers - * - * __eaddm( ai, bi ) add significands, bi = bi + ai - * __ecleaz(ei) ei = 0 - * __ecleazs(ei) set ei = 0 but leave its sign alone - * __ecmpm( ai, bi ) compare significands, return 1, 0, or -1 - * __edivm( ai, bi ) divide significands, bi = bi / ai - * __emdnorm(ai,l,s,exp) normalize and round off - * __emovi( a, ai ) convert external a to internal ai - * __emovo( ai, a ) convert internal ai to external a - * __emovz( ai, bi ) bi = ai, low guard word of bi = 0 - * __emulm( ai, bi ) multiply significands, bi = bi * ai - * __enormlz(ei) left-justify the significand - * __eshdn1( ai ) shift significand and guards down 1 bit - * __eshdn8( ai ) shift down 8 bits - * __eshdn6( ai ) shift down 16 bits - * __eshift( ai, n ) shift ai n bits up (or down if n < 0) - * __eshup1( ai ) shift significand and guards up 1 bit - * __eshup8( ai ) shift up 8 bits - * __eshup6( ai ) shift up 16 bits - * __esubm( ai, bi ) subtract significands, bi = bi - ai - * - * - * The result is always normalized and rounded to NI-4 word precision - * after each arithmetic operation. - * - * Exception flags are NOT fully supported. - * - * Define INFINITY in mconf.h for support of infinity; otherwise a - * saturation arithmetic is implemented. - * - * Define NANS for support of Not-a-Number items; otherwise the - * arithmetic will never produce a NaN output, and might be confused - * by a NaN input. - * If NaN's are supported, the output of ecmp(a,b) is -2 if - * either a or b is a NaN. This means asking if(ecmp(a,b) < 0) - * may not be legitimate. Use if(ecmp(a,b) == -1) for less-than - * if in doubt. - * Signaling NaN's are NOT supported; they are treated the same - * as quiet NaN's. - * - * Denormals are always supported here where appropriate (e.g., not - * for conversion to DEC numbers). - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <math.h> -#include <locale.h> -#include <ctype.h> - -#define alloca __builtin_alloca - -/* Don't build non-ANSI _IO_ldtoa. It is not thread safe. */ -#ifndef USE_LDTOA -#define USE_LDTOA 0 -#endif - - - /* Number of 16 bit words in external x type format */ -#define NE 6 - - /* Number of 16 bit words in internal format */ -#define NI (NE+3) - - /* Array offset to exponent */ -#define E 1 - - /* Array offset to high guard word */ -#define M 2 - - /* Number of bits of precision */ -#define NBITS ((NI-4)*16) - - /* Maximum number of decimal digits in ASCII conversion - * = NBITS*log10(2) - */ -#define NDEC (NBITS*8/27) - - /* The exponent of 1.0 */ -#define EXONE (0x3fff) - - -#define mtherr(x,y) - - -extern long double strtold (const char * __restrict__ s, char ** __restrict__ se); -extern int __asctoe64(const char * __restrict__ ss, - short unsigned int * __restrict__ y); -extern void __emul(const short unsigned int * a, - const short unsigned int * b, - short unsigned int * c); -extern int __ecmp(const short unsigned int * __restrict__ a, - const short unsigned int * __restrict__ b); -extern int __enormlz(short unsigned int *x); -extern int __eshift(short unsigned int *x, int sc); -extern void __eaddm(const short unsigned int * __restrict__ x, - short unsigned int * __restrict__ y); -extern void __esubm(const short unsigned int * __restrict__ x, - short unsigned int * __restrict__ y); -extern void __emdnorm(short unsigned int *s, int lost, int subflg, - long int exp, int rcntrl, const int rndprc); -extern void __toe64(short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b); -extern int __edivm(short unsigned int * __restrict__ den, - short unsigned int * __restrict__ num); -extern int __emulm(const short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b); -extern void __emovi(const short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b); -extern void __emovo(const short unsigned int * __restrict__ a, - short unsigned int * __restrict__ b); - -#if USE_LDTOA - -extern char * _IO_ldtoa(long double, int, int, int *, int *, char **); -extern void _IO_ldtostr(long double *x, char *string, int ndigs, - int flags, char fmt); - -extern void __eiremain(short unsigned int * __restrict__ den, - short unsigned int *__restrict__ num, - short unsigned int *__restrict__ equot); -extern void __efloor(short unsigned int *x, short unsigned int *y); -extern void __eadd1(const short unsigned int * __restrict__ a, - const short unsigned int * __restrict__ b, - short unsigned int * __restrict__ c, - int subflg); -extern void __esub(const short unsigned int *a, const short unsigned int *b, - short unsigned int *c); -extern void __ediv(const short unsigned int *a, const short unsigned int *b, - short unsigned int *c); -extern void __e64toe(short unsigned int *pe, short unsigned int *y); - - -#endif - -static __inline__ int __eisneg(const short unsigned int *x); -static __inline__ int __eisinf(const short unsigned int *x); -static __inline__ int __eisnan(const short unsigned int *x); -static __inline__ int __eiszero(const short unsigned int *a); -static __inline__ void __emovz(register const short unsigned int * __restrict__ a, - register short unsigned int * __restrict__ b); -static __inline__ void __eclear(register short unsigned int *x); -static __inline__ void __ecleaz(register short unsigned int *xi); -static __inline__ void __ecleazs(register short unsigned int *xi); -static __inline__ int __eiisinf(const short unsigned int *x); -static __inline__ int __eiisnan(const short unsigned int *x); -static __inline__ int __eiiszero(const short unsigned int *x); -static __inline__ void __enan_64(short unsigned int *nan); -static __inline__ void __enan_NBITS (short unsigned int *nan); -static __inline__ void __enan_NI16 (short unsigned int *nan); -static __inline__ void __einfin(register short unsigned int *x); -static __inline__ void __eneg(short unsigned int *x); -static __inline__ void __eshup1(register short unsigned int *x); -static __inline__ void __eshup8(register short unsigned int *x); -static __inline__ void __eshup6(register short unsigned int *x); -static __inline__ void __eshdn1(register short unsigned int *x); -static __inline__ void __eshdn8(register short unsigned int *x); -static __inline__ void __eshdn6(register short unsigned int *x); - - - -/* Intel IEEE, low order words come first: - */ -#define IBMPC 1 - -/* Define 1 for ANSI C atan2() function - * See atan.c and clog.c. - */ -#define ANSIC 1 - -/*define VOLATILE volatile*/ -#define VOLATILE - -/* For 12-byte long doubles on an i386, pad a 16-bit short 0 - * to the end of real constants initialized by integer arrays. - * - * #define XPD 0, - * - * Otherwise, the type is 10 bytes long and XPD should be - * defined blank. - * - * #define XPD - */ -#define XPD 0, -/* #define XPD */ -#define NANS - -/* NaN's require infinity support. */ -#ifdef NANS -#ifndef INFINITY -#define INFINITY -#endif -#endif - -/* This handles 64-bit long ints. */ -#define LONGBITS (8 * sizeof(long)) - - -#define NTEN 12 -#define MAXP 4096 - -/* -; Clear out entire external format number. -; -; unsigned short x[]; -; eclear( x ); -*/ - -static __inline__ void __eclear(register short unsigned int *x) -{ - memset(x, 0, NE * sizeof(unsigned short)); -} - - -/* Move external format number from a to b. - * - * emov( a, b ); - */ - -static __inline__ void __emov(register const short unsigned int * __restrict__ a, - register short unsigned int * __restrict__ b) -{ - memcpy(b, a, NE * sizeof(unsigned short)); -} - - -/* -; Negate external format number -; -; unsigned short x[NE]; -; eneg( x ); -*/ - -static __inline__ void __eneg(short unsigned int *x) -{ - -#ifdef NANS -if( __eisnan(x) ) - return; -#endif -x[NE-1] ^= 0x8000; /* Toggle the sign bit */ -} - - -/* Return 1 if external format number is negative, - * else return zero. - */ -static __inline__ int __eisneg(const short unsigned int *x) -{ - -#ifdef NANS -if( __eisnan(x) ) - return( 0 ); -#endif -if( x[NE-1] & 0x8000 ) - return( 1 ); -else - return( 0 ); -} - - -/* Return 1 if external format number has maximum possible exponent, - * else return zero. - */ -static __inline__ int __eisinf(const short unsigned int *x) -{ - -if( (x[NE-1] & 0x7fff) == 0x7fff ) - { -#ifdef NANS - if( __eisnan(x) ) - return( 0 ); -#endif - return( 1 ); - } -else - return( 0 ); -} - -/* Check if e-type number is not a number. - */ -static __inline__ int __eisnan(const short unsigned int *x) -{ -#ifdef NANS -int i; -/* NaN has maximum __exponent */ -if( (x[NE-1] & 0x7fff) == 0x7fff ) -/* ... and non-zero significand field. */ - for( i=0; i<NE-1; i++ ) - { - if( *x++ != 0 ) - return (1); - } -#endif -return (0); -} - -/* -; Fill __entire number, including __exponent and significand, with -; largest possible number. These programs implement a saturation -; value that is an ordinary, legal number. A special value -; "infinity" may also be implemented; this would require tests -; for that value and implementation of special rules for arithmetic -; operations involving inifinity. -*/ - -static __inline__ void __einfin(register short unsigned int *x) -{ -register int i; - -#ifdef INFINITY -for( i=0; i<NE-1; i++ ) - *x++ = 0; -*x |= 32767; -#else -for( i=0; i<NE-1; i++ ) - *x++ = 0xffff; -*x |= 32766; -*(x-5) = 0; -#endif -} - -/* Clear out internal format number. - */ - -static __inline__ void __ecleaz(register short unsigned int *xi) -{ - memset(xi, 0, NI * sizeof(unsigned short)); -} - -/* same, but don't touch the sign. */ - -static __inline__ void __ecleazs(register short unsigned int *xi) -{ - ++xi; - memset(xi, 0, (NI-1) * sizeof(unsigned short)); -} - - - -/* Move internal format number from a to b. - */ -static __inline__ void __emovz(register const short unsigned int * __restrict__ a, - register short unsigned int * __restrict__ b) -{ - memcpy(b, a, (NI-1) * sizeof(unsigned short)); - b[NI-1]=0; -} - -/* Return nonzero if internal format number is a NaN. - */ - -static __inline__ int __eiisnan (const short unsigned int *x) -{ -int i; - -if( (x[E] & 0x7fff) == 0x7fff ) - { - for( i=M+1; i<NI; i++ ) - { - if( x[i] != 0 ) - return(1); - } - } -return(0); -} - -/* Return nonzero if external format number is zero. */ - -static __inline__ int -__eiszero(const short unsigned int * a) -{ -if (*((long double*) a) == 0) - return (1); -return (0); -} - -/* Return nonzero if internal format number is zero. */ - -static __inline__ int -__eiiszero(const short unsigned int * ai) -{ - int i; - /* skip the sign word */ - for( i=1; i<NI-1; i++ ) - { - if( ai[i] != 0 ) - return (0); - } - return (1); -} - - -/* Return nonzero if internal format number is infinite. */ - -static __inline__ int -__eiisinf (const unsigned short *x) -{ - -#ifdef NANS - if (__eiisnan (x)) - return (0); -#endif - if ((x[E] & 0x7fff) == 0x7fff) - return (1); - return (0); -} - -/* -; Compare significands of numbers in internal format. -; Guard words are included in the comparison. -; -; unsigned short a[NI], b[NI]; -; cmpm( a, b ); -; -; for the significands: -; returns +1 if a > b -; 0 if a == b -; -1 if a < b -*/ -static __inline__ int __ecmpm(register const short unsigned int * __restrict__ a, - register const short unsigned int * __restrict__ b) -{ -int i; - -a += M; /* skip up to significand area */ -b += M; -for( i=M; i<NI; i++ ) - { - if( *a++ != *b++ ) - goto difrnt; - } -return(0); - -difrnt: -if( *(--a) > *(--b) ) - return(1); -else - return(-1); -} - - -/* -; Shift significand down by 1 bit -*/ - -static __inline__ void __eshdn1(register short unsigned int *x) -{ -register unsigned short bits; -int i; - -x += M; /* point to significand area */ - -bits = 0; -for( i=M; i<NI; i++ ) - { - if( *x & 1 ) - bits |= 1; - *x >>= 1; - if( bits & 2 ) - *x |= 0x8000; - bits <<= 1; - ++x; - } -} - -/* -; Shift significand up by 1 bit -*/ - -static __inline__ void __eshup1(register short unsigned int *x) -{ -register unsigned short bits; -int i; - -x += NI-1; -bits = 0; - -for( i=M; i<NI; i++ ) - { - if( *x & 0x8000 ) - bits |= 1; - *x <<= 1; - if( bits & 2 ) - *x |= 1; - bits <<= 1; - --x; - } -} - - - -/* -; Shift significand down by 8 bits -*/ - -static __inline__ void __eshdn8(register short unsigned int *x) -{ -register unsigned short newbyt, oldbyt; -int i; - -x += M; -oldbyt = 0; -for( i=M; i<NI; i++ ) - { - newbyt = *x << 8; - *x >>= 8; - *x |= oldbyt; - oldbyt = newbyt; - ++x; - } -} - -/* -; Shift significand up by 8 bits -*/ - -static __inline__ void __eshup8(register short unsigned int *x) -{ -int i; -register unsigned short newbyt, oldbyt; - -x += NI-1; -oldbyt = 0; - -for( i=M; i<NI; i++ ) - { - newbyt = *x >> 8; - *x <<= 8; - *x |= oldbyt; - oldbyt = newbyt; - --x; - } -} - -/* -; Shift significand up by 16 bits -*/ - -static __inline__ void __eshup6(register short unsigned int *x) -{ -int i; -register unsigned short *p; - -p = x + M; -x += M + 1; - -for( i=M; i<NI-1; i++ ) - *p++ = *x++; - -*p = 0; -} - -/* -; Shift significand down by 16 bits -*/ - -static __inline__ void __eshdn6(register short unsigned int *x) -{ -int i; -register unsigned short *p; - -x += NI-1; -p = x + 1; - -for( i=M; i<NI-1; i++ ) - *(--p) = *(--x); - -*(--p) = 0; -} - -/* -; Add significands -; x + y replaces y -*/ - -static __inline__ void __enan_64(unsigned short* nan) -{ - - int i; - for( i=0; i<3; i++ ) - *nan++ = 0; - *nan++ = 0xc000; - *nan++ = 0x7fff; - *nan = 0; - return; -} - -static __inline__ void __enan_NBITS(unsigned short* nan) -{ - int i; - for( i=0; i<NE-2; i++ ) - *nan++ = 0; - *nan++ = 0xc000; - *nan = 0x7fff; - return; -} - -static __inline__ void __enan_NI16(unsigned short* nan) -{ - int i; - *nan++ = 0; - *nan++ = 0x7fff; - *nan++ = 0; - *nan++ = 0xc000; - for( i=4; i<NI; i++ ) - *nan++ = 0; - return; -} - -#endif /* _CEPHES_EMATH_H */ - diff --git a/winsup/mingw/mingwex/math/cephes_mconf.h b/winsup/mingw/mingwex/math/cephes_mconf.h deleted file mode 100644 index 9818c4546..000000000 --- a/winsup/mingw/mingwex/math/cephes_mconf.h +++ /dev/null @@ -1,395 +0,0 @@ -#include <math.h> -#include <errno.h> - - -#define IBMPC 1 -#define ANSIPROT 1 -#define MINUSZERO 1 -#define INFINITIES 1 -#define NANS 1 -#define DENORMAL 1 -#define VOLATILE -#define mtherr(fname, code) -#define XPD 0, - -#define _CEPHES_USE_ERRNO - -#ifdef _CEPHES_USE_ERRNO -#define _SET_ERRNO(x) errno = (x) -#else -#define _SET_ERRNO(x) -#endif - -/* constants used by cephes functions */ - -/* double */ -#define MAXNUM 1.7976931348623158E308 -#define MAXLOG 7.09782712893383996843E2 -#define MINLOG -7.08396418532264106224E2 -#define LOGE2 6.93147180559945309417E-1 -#define LOG2E 1.44269504088896340736 -#define PI 3.14159265358979323846 -#define PIO2 1.57079632679489661923 -#define PIO4 7.85398163397448309616E-1 - -#define NEGZERO (-0.0) -#undef NAN -#undef INFINITY -#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)) -#define INFINITY __builtin_huge_val() -#define NAN __builtin_nan("") -#else -extern double __INF; -#define INFINITY (__INF) -extern double __QNAN; -#define NAN (__QNAN) -#endif - -/*long double*/ -#define MAXNUML 1.189731495357231765021263853E4932L -#define MAXLOGL 1.1356523406294143949492E4L -#define MINLOGL -1.13994985314888605586758E4L -#define LOGE2L 6.9314718055994530941723E-1L -#define LOG2EL 1.4426950408889634073599E0L -#define PIL 3.1415926535897932384626L -#define PIO2L 1.5707963267948966192313L -#define PIO4L 7.8539816339744830961566E-1L - -#define isfinitel isfinite -#define isinfl isinf -#define isnanl isnan -#define signbitl signbit - -#define NEGZEROL (-0.0L) - -#undef NANL -#undef INFINITYL -#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)) -#define INFINITYL __builtin_huge_vall() -#define NANL __builtin_nanl("") -#else -extern long double __INFL; -#define INFINITYL (__INFL) -extern long double __QNANL; -#define NANL (__QNANL) -#endif - -/* float */ - -#define MAXNUMF 3.4028234663852885981170418348451692544e38F -#define MAXLOGF 88.72283905206835F -#define MINLOGF -103.278929903431851103F /* log(2^-149) */ -#define LOG2EF 1.44269504088896341F -#define LOGE2F 0.693147180559945309F -#define PIF 3.141592653589793238F -#define PIO2F 1.5707963267948966192F -#define PIO4F 0.7853981633974483096F - -#define isfinitef isfinite -#define isinff isinf -#define isnanf isnan -#define signbitf signbit - -#define NEGZEROF (-0.0F) - -#undef NANF -#undef INFINITYF -#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)) -#define INFINITYF __builtin_huge_valf() -#define NANF __builtin_nanf("") -#else -extern float __INFF; -#define INFINITYF (__INFF) -extern float __QNANF; -#define NANF (__QNANF) -#endif - - -/* double */ - -/* -Cephes Math Library Release 2.2: July, 1992 -Copyright 1984, 1987, 1988, 1992 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - - -/* polevl.c - * p1evl.c - * - * Evaluate polynomial - * - * - * - * SYNOPSIS: - * - * int N; - * double x, y, coef[N+1], polevl[]; - * - * y = polevl( x, coef, N ); - * - * - * - * DESCRIPTION: - * - * Evaluates polynomial of degree N: - * - * 2 N - * y = C + C x + C x +...+ C x - * 0 1 2 N - * - * Coefficients are stored in reverse order: - * - * coef[0] = C , ..., coef[N] = C . - * N 0 - * - * The function p1evl() assumes that coef[N] = 1.0 and is - * omitted from the array. Its calling arguments are - * otherwise the same as polevl(). - * - * - * SPEED: - * - * In the interest of speed, there are no checks for out - * of bounds arithmetic. This routine is used by most of - * the functions in the library. Depending on available - * equipment features, the user may wish to rewrite the - * program in microcode or assembly language. - * - */ - -/* Polynomial evaluator: - * P[0] x^n + P[1] x^(n-1) + ... + P[n] - */ -static __inline__ double polevl( x, p, n ) -double x; -const void *p; -int n; -{ -register double y; -register double *P = (double *)p; - -y = *P++; -do - { - y = y * x + *P++; - } -while( --n ); -return(y); -} - - - -/* Polynomial evaluator: - * x^n + P[0] x^(n-1) + P[1] x^(n-2) + ... + P[n] - */ -static __inline__ double p1evl( x, p, n ) -double x; -const void *p; -int n; -{ -register double y; -register double *P = (double *)p; - -n -= 1; -y = x + *P++; -do - { - y = y * x + *P++; - } -while( --n ); -return( y ); -} - - -/* long double */ -/* -Cephes Math Library Release 2.2: July, 1992 -Copyright 1984, 1987, 1988, 1992 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - - -/* polevll.c - * p1evll.c - * - * Evaluate polynomial - * - * - * - * SYNOPSIS: - * - * int N; - * long double x, y, coef[N+1], polevl[]; - * - * y = polevll( x, coef, N ); - * - * - * - * DESCRIPTION: - * - * Evaluates polynomial of degree N: - * - * 2 N - * y = C + C x + C x +...+ C x - * 0 1 2 N - * - * Coefficients are stored in reverse order: - * - * coef[0] = C , ..., coef[N] = C . - * N 0 - * - * The function p1evll() assumes that coef[N] = 1.0 and is - * omitted from the array. Its calling arguments are - * otherwise the same as polevll(). - * - * - * SPEED: - * - * In the interest of speed, there are no checks for out - * of bounds arithmetic. This routine is used by most of - * the functions in the library. Depending on available - * equipment features, the user may wish to rewrite the - * program in microcode or assembly language. - * - */ - -/* Polynomial evaluator: - * P[0] x^n + P[1] x^(n-1) + ... + P[n] - */ -static __inline__ long double polevll( x, p, n ) -long double x; -const void *p; -int n; -{ -register long double y; -register long double *P = (long double *)p; - -y = *P++; -do - { - y = y * x + *P++; - } -while( --n ); -return(y); -} - - - -/* Polynomial evaluator: - * x^n + P[0] x^(n-1) + P[1] x^(n-2) + ... + P[n] - */ -static __inline__ long double p1evll( x, p, n ) -long double x; -const void *p; -int n; -{ -register long double y; -register long double *P = (long double *)p; - -n -= 1; -y = x + *P++; -do - { - y = y * x + *P++; - } -while( --n ); -return( y ); -} - -/* Float version */ - -/* polevlf.c - * p1evlf.c - * - * Evaluate polynomial - * - * - * - * SYNOPSIS: - * - * int N; - * float x, y, coef[N+1], polevlf[]; - * - * y = polevlf( x, coef, N ); - * - * - * - * DESCRIPTION: - * - * Evaluates polynomial of degree N: - * - * 2 N - * y = C + C x + C x +...+ C x - * 0 1 2 N - * - * Coefficients are stored in reverse order: - * - * coef[0] = C , ..., coef[N] = C . - * N 0 - * - * The function p1evl() assumes that coef[N] = 1.0 and is - * omitted from the array. Its calling arguments are - * otherwise the same as polevl(). - * - * - * SPEED: - * - * In the interest of speed, there are no checks for out - * of bounds arithmetic. This routine is used by most of - * the functions in the library. Depending on available - * equipment features, the user may wish to rewrite the - * program in microcode or assembly language. - * - */ - -/* -Cephes Math Library Release 2.1: December, 1988 -Copyright 1984, 1987, 1988 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - -static __inline__ float polevlf(float x, const float* coef, int N ) -{ -float ans; -float *p; -int i; - -p = (float*)coef; -ans = *p++; - -/* -for( i=0; i<N; i++ ) - ans = ans * x + *p++; -*/ - -i = N; -do - ans = ans * x + *p++; -while( --i ); - -return( ans ); -} - -/* p1evl() */ -/* N - * Evaluate polynomial when coefficient of x is 1.0. - * Otherwise same as polevl. - */ - -static __inline__ float p1evlf( float x, const float *coef, int N ) -{ -float ans; -float *p; -int i; - -p = (float*)coef; -ans = x + *p++; -i = N-1; - -do - ans = ans * x + *p++; -while( --i ); - -return( ans ); -} diff --git a/winsup/mingw/mingwex/math/copysign.S b/winsup/mingw/mingwex/math/copysign.S deleted file mode 100644 index 60d6c72db..000000000 --- a/winsup/mingw/mingwex/math/copysign.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "copysign.S" - .text - .align 4 -.globl _copysign - .def _copysign; .scl 2; .type 32; .endef -_copysign: - movl 16(%esp),%edx - movl 8(%esp),%eax - andl $0x80000000,%edx - andl $0x7fffffff,%eax - orl %edx,%eax - movl %eax,8(%esp) - fldl 4(%esp) - ret diff --git a/winsup/mingw/mingwex/math/copysignf.S b/winsup/mingw/mingwex/math/copysignf.S deleted file mode 100644 index 8a60c463c..000000000 --- a/winsup/mingw/mingwex/math/copysignf.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "copysignf.S" - .text - .align 4 -.globl _copysignf - .def _copysignf; .scl 2; .type 32; .endef -_copysignf: - movl 8(%esp),%edx - movl 4(%esp),%eax - andl $0x80000000,%edx - andl $0x7fffffff,%eax - orl %edx,%eax - movl %eax,4(%esp) - flds 4(%esp) - ret diff --git a/winsup/mingw/mingwex/math/copysignl.S b/winsup/mingw/mingwex/math/copysignl.S deleted file mode 100644 index 4143b37f8..000000000 --- a/winsup/mingw/mingwex/math/copysignl.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Public domain. - */ - - .file "copysignl.S" - .text - .align 4 -.globl _copysignl - .def _copysignl; .scl 2; .type 32; .endef -_copysignl: - movl 24(%esp),%edx - movl 12(%esp),%eax - andl $0x8000,%edx - andl $0x7fff,%eax - orl %edx,%eax - movl %eax,12(%esp) - fldt 4(%esp) - ret diff --git a/winsup/mingw/mingwex/math/cosf.S b/winsup/mingw/mingwex/math/cosf.S deleted file mode 100644 index 862f6ce6c..000000000 --- a/winsup/mingw/mingwex/math/cosf.S +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Removed glibc header dependancy by Danny Smith - * <dannysmith@users.sourceforge.net> - */ - .file "cosf.S" - .text - .align 4 -.globl _cosl - .def _cosf; .scl 2; .type 32; .endef -_cosf: - flds 4(%esp) - fcos - fnstsw %ax - testl $0x400,%eax - jnz 1f - ret -1: fldpi - fadd %st(0) - fxch %st(1) -2: fprem1 - fnstsw %ax - testl $0x400,%eax - jnz 2b - fstp %st(1) - fcos - ret diff --git a/winsup/mingw/mingwex/math/coshf.c b/winsup/mingw/mingwex/math/coshf.c deleted file mode 100644 index 4e44f0811..000000000 --- a/winsup/mingw/mingwex/math/coshf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float coshf (float x) - {return (float) cosh (x);} diff --git a/winsup/mingw/mingwex/math/coshl.c b/winsup/mingw/mingwex/math/coshl.c deleted file mode 100644 index c698e50c0..000000000 --- a/winsup/mingw/mingwex/math/coshl.c +++ /dev/null @@ -1,110 +0,0 @@ -/* coshl.c - * - * Hyperbolic cosine, long double precision - * - * - * - * SYNOPSIS: - * - * long double x, y, coshl(); - * - * y = coshl( x ); - * - * - * - * DESCRIPTION: - * - * Returns hyperbolic cosine of argument in the range MINLOGL to - * MAXLOGL. - * - * cosh(x) = ( exp(x) + exp(-x) )/2. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE +-10000 30000 1.1e-19 2.8e-20 - * - * - * ERROR MESSAGES: - * - * message condition value returned - * cosh overflow |x| > MAXLOGL+LOGE2L INFINITYL - * - * - */ - - -/* -Cephes Math Library Release 2.7: May, 1998 -Copyright 1985, 1991, 1998 by Stephen L. Moshier -*/ - -/* -Modified for mingw -2002-07-22 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -#endif - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - - -#ifndef __MINGW32__ -extern long double MAXLOGL, MAXNUML, LOGE2L; -#ifdef ANSIPROT -extern long double expl ( long double ); -extern int isnanl ( long double ); -#else -long double expl(), isnanl(); -#endif -#ifdef INFINITIES -extern long double INFINITYL; -#endif -#ifdef NANS -extern long double NANL; -#endif -#endif /* __MINGW32__ */ - -long double coshl(x) -long double x; -{ -long double y; - -#ifdef NANS -if( isnanl(x) ) - { - _SET_ERRNO(EDOM); - return(x); - } -#endif -if( x < 0 ) - x = -x; -if( x > (MAXLOGL + LOGE2L) ) - { - mtherr( "coshl", OVERFLOW ); - _SET_ERRNO(ERANGE); -#ifdef INFINITIES - return( INFINITYL ); -#else - return( MAXNUML ); -#endif - } -if( x >= (MAXLOGL - LOGE2L) ) - { - y = expl(0.5L * x); - y = (0.5L * y) * y; - return(y); - } -y = expl(x); -y = 0.5L * (y + 1.0L / y); -return( y ); -} diff --git a/winsup/mingw/mingwex/math/cosl.S b/winsup/mingw/mingwex/math/cosl.S deleted file mode 100644 index 59d9858b3..000000000 --- a/winsup/mingw/mingwex/math/cosl.S +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * Removed glibc header dependancy by Danny Smith - * <dannysmith@users.sourceforge.net> - */ - .file "cosl.S" - .text - .align 4 -.globl _cosl - .def _cosl; .scl 2; .type 32; .endef -_cosl: - fldt 4(%esp) - fcos - fnstsw %ax - testl $0x400,%eax - jnz 1f - ret -1: fldpi - fadd %st(0) - fxch %st(1) -2: fprem1 - fnstsw %ax - testl $0x400,%eax - jnz 2b - fstp %st(1) - fcos - ret diff --git a/winsup/mingw/mingwex/math/erfl.c b/winsup/mingw/mingwex/math/erfl.c deleted file mode 100755 index ac50d98c2..000000000 --- a/winsup/mingw/mingwex/math/erfl.c +++ /dev/null @@ -1,299 +0,0 @@ -/* erfl.c - * - * Error function - * - * - * - * SYNOPSIS: - * - * long double x, y, erfl(); - * - * y = erfl( x ); - * - * - * - * DESCRIPTION: - * - * The integral is - * - * x - * - - * 2 | | 2 - * erf(x) = -------- | exp( - t ) dt. - * sqrt(pi) | | - * - - * 0 - * - * The magnitude of x is limited to about 106.56 for IEEE - * arithmetic; 1 or -1 is returned outside this range. - * - * For 0 <= |x| < 1, erf(x) = x * P6(x^2)/Q6(x^2); - * Otherwise: erf(x) = 1 - erfc(x). - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE 0,1 50000 2.0e-19 5.7e-20 - * - */ - -/* erfcl.c - * - * Complementary error function - * - * - * - * SYNOPSIS: - * - * long double x, y, erfcl(); - * - * y = erfcl( x ); - * - * - * - * DESCRIPTION: - * - * - * 1 - erf(x) = - * - * inf. - * - - * 2 | | 2 - * erfc(x) = -------- | exp( - t ) dt - * sqrt(pi) | | - * - - * x - * - * - * For small x, erfc(x) = 1 - erf(x); otherwise rational - * approximations are computed. - * - * A special function expx2l.c is used to suppress error amplification - * in computing exp(-x^2). - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE 0,13 50000 8.4e-19 9.7e-20 - * IEEE 6,106.56 20000 2.9e-19 7.1e-20 - * - * - * ERROR MESSAGES: - * - * message condition value returned - * erfcl underflow x^2 > MAXLOGL 0.0 - * - * - */ - - -/* -Modified from file ndtrl.c -Cephes Math Library Release 2.3: January, 1995 -Copyright 1984, 1995 by Stephen L. Moshier -*/ - -#include <math.h> -#include "cephes_mconf.h" - -/* erfc(x) = exp(-x^2) P(1/x)/Q(1/x) - 1/8 <= 1/x <= 1 - Peak relative error 5.8e-21 */ - -static const unsigned short P[] = { -0x4bf0,0x9ad8,0x7a03,0x86c7,0x401d, XPD -0xdf23,0xd843,0x4032,0x8881,0x401e, XPD -0xd025,0xcfd5,0x8494,0x88d3,0x401e, XPD -0xb6d0,0xc92b,0x5417,0xacb1,0x401d, XPD -0xada8,0x356a,0x4982,0x94a6,0x401c, XPD -0x4e13,0xcaee,0x9e31,0xb258,0x401a, XPD -0x5840,0x554d,0x37a3,0x9239,0x4018, XPD -0x3b58,0x3da2,0xaf02,0x9780,0x4015, XPD -0x0144,0x489e,0xbe68,0x9c31,0x4011, XPD -0x333b,0xd9e6,0xd404,0x986f,0xbfee, XPD -}; -static const unsigned short Q[] = { -/* 0x0000,0x0000,0x0000,0x8000,0x3fff, XPD */ -0x0e43,0x302d,0x79ed,0x86c7,0x401d, XPD -0xf817,0x9128,0xc0f8,0xd48b,0x401e, XPD -0x8eae,0x8dad,0x6eb4,0x9aa2,0x401f, XPD -0x00e7,0x7595,0xcd06,0x88bb,0x401f, XPD -0x4991,0xcfda,0x52f1,0xa2a9,0x401e, XPD -0xc39d,0xe415,0xc43d,0x87c0,0x401d, XPD -0xa75d,0x436f,0x30dd,0xa027,0x401b, XPD -0xc4cb,0x305a,0xbf78,0x8220,0x4019, XPD -0x3708,0x33b1,0x07fa,0x8644,0x4016, XPD -0x24fa,0x96f6,0x7153,0x8a6c,0x4012, XPD -}; - -/* erfc(x) = exp(-x^2) 1/x R(1/x^2) / S(1/x^2) - 1/128 <= 1/x < 1/8 - Peak relative error 1.9e-21 */ - -static const unsigned short R[] = { -0x260a,0xab95,0x2fc7,0xe7c4,0x4000, XPD -0x4761,0x613e,0xdf6d,0xe58e,0x4001, XPD -0x0615,0x4b00,0x575f,0xdc7b,0x4000, XPD -0x521d,0x8527,0x3435,0x8dc2,0x3ffe, XPD -0x22cf,0xc711,0x6c5b,0xdcfb,0x3ff9, XPD -}; -static const unsigned short S[] = { -/* 0x0000,0x0000,0x0000,0x8000,0x3fff, XPD */ -0x5de6,0x17d7,0x54d6,0xaba9,0x4002, XPD -0x55d5,0xd300,0xe71e,0xf564,0x4002, XPD -0xb611,0x8f76,0xf020,0xd255,0x4001, XPD -0x3684,0x3798,0xb793,0x80b0,0x3fff, XPD -0xf5af,0x2fb2,0x1e57,0xc3d7,0x3ffa, XPD -}; - -/* erf(x) = x T(x^2)/U(x^2) - 0 <= x <= 1 - Peak relative error 7.6e-23 */ - -static const unsigned short T[] = { -0xfd7a,0x3a1a,0x705b,0xe0c4,0x3ffb, XPD -0x3128,0xc337,0x3716,0xace5,0x4001, XPD -0x9517,0x4e93,0x540e,0x8f97,0x4007, XPD -0x6118,0x6059,0x9093,0xa757,0x400a, XPD -0xb954,0xa987,0xc60c,0xbc83,0x400e, XPD -0x7a56,0xe45a,0xa4bd,0x975b,0x4010, XPD -0xc446,0x6bab,0x0b2a,0x86d0,0x4013, XPD -}; - -static const unsigned short U[] = { -/* 0x0000,0x0000,0x0000,0x8000,0x3fff, XPD */ -0x3453,0x1f8e,0xf688,0xb507,0x4004, XPD -0x71ac,0xb12f,0x21ca,0xf2e2,0x4008, XPD -0xffe8,0x9cac,0x3b84,0xc2ac,0x400c, XPD -0x481d,0x445b,0xc807,0xc232,0x400f, XPD -0x9ad5,0x1aef,0x45b1,0xe25e,0x4011, XPD -0x71a7,0x1cad,0x012e,0xeef3,0x4012, XPD -}; - -/* expx2l.c - * - * Exponential of squared argument - * - * - * - * SYNOPSIS: - * - * long double x, y, expmx2l(); - * int sign; - * - * y = expx2l( x ); - * - * - * - * DESCRIPTION: - * - * Computes y = exp(x*x) while suppressing error amplification - * that would ordinarily arise from the inexactness of the - * exponential argument x*x. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE -106.566, 106.566 10^5 1.6e-19 4.4e-20 - * - */ - -#define M 32768.0L -#define MINV 3.0517578125e-5L - -static long double expx2l (long double x) -{ - long double u, u1, m, f; - - x = fabsl (x); - /* Represent x as an exact multiple of M plus a residual. - M is a power of 2 chosen so that exp(m * m) does not overflow - or underflow and so that |x - m| is small. */ - m = MINV * floorl(M * x + 0.5L); - f = x - m; - - /* x^2 = m^2 + 2mf + f^2 */ - u = m * m; - u1 = 2 * m * f + f * f; - - if ((u+u1) > MAXLOGL) - return (INFINITYL); - - /* u is exact, u1 is small. */ - u = expl(u) * expl(u1); - return(u); -} - -long double erfcl(long double a) -{ -long double p,q,x,y,z; - -if (isinf (a)) - return (signbit (a) ? 2.0 : 0.0); - -x = fabsl (a); - -if (x < 1.0L) - return (1.0L - erfl(a)); - -z = a * a; - -if( z > MAXLOGL ) - { -under: - mtherr( "erfcl", UNDERFLOW ); - errno = ERANGE; - return (signbit (a) ? 2.0 : 0.0); - } - -/* Compute z = expl(a * a). */ -z = expx2l (a); -y = 1.0L/x; - -if (x < 8.0L) - { - p = polevll (y, P, 9); - q = p1evll (y, Q, 10); - } -else - { - q = y * y; - p = y * polevll (q, R, 4); - q = p1evll (q, S, 5); - } -y = p/(q * z); - -if (a < 0.0L) - y = 2.0L - y; - -if (y == 0.0L) - goto under; - -return (y); -} - -long double erfl(long double x) -{ -long double y, z; - -if( x == 0.0L ) - return (x); - -if (isinf (x)) - return (signbit (x) ? -1.0L : 1.0L); - -if (fabsl(x) > 1.0L) - return (1.0L - erfcl (x)); - -z = x * x; -y = x * polevll( z, T, 6 ) / p1evll( z, U, 6 ); -return( y ); -} diff --git a/winsup/mingw/mingwex/math/exp2.S b/winsup/mingw/mingwex/math/exp2.S deleted file mode 100644 index 320065726..000000000 --- a/winsup/mingw/mingwex/math/exp2.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - */ - - .file "exp2.S" - .text - .align 4 -.globl _exp2 - .def _exp2; .scl 2; .type 32; .endef -_exp2: - fldl 4(%esp) -/* I added the following ugly construct because exp(+-Inf) resulted - in NaN. The ugliness results from the bright minds at Intel. - For the i686 the code can be written better. - -- drepper@cygnus.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - fld %st - frndint /* int(x) */ - fsubr %st,%st(1) /* fract(x) */ - fxch - f2xm1 /* 2^(fract(x)) - 1 */ - fld1 - faddp /* 2^(fract(x)) */ - fscale /* e^x */ - fstp %st(1) - ret - -1: testl $0x200, %eax /* Test sign. */ - jz 2f /* If positive, jump. */ - fstp %st - fldz /* Set result to 0. */ -2: ret diff --git a/winsup/mingw/mingwex/math/exp2f.S b/winsup/mingw/mingwex/math/exp2f.S deleted file mode 100644 index 0707a0cc6..000000000 --- a/winsup/mingw/mingwex/math/exp2f.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - */ - - .file "exp2f.S" - .text - .align 4 -.globl _exp2f - .def _exp2f; .scl 2; .type 32; .endef -_exp2f: - flds 4(%esp) -/* I added the following ugly construct because exp(+-Inf) resulted - in NaN. The ugliness results from the bright minds at Intel. - For the i686 the code can be written better. - -- drepper@cygnus.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - fld %st - frndint /* int(x) */ - fsubr %st,%st(1) /* fract(x) */ - fxch - f2xm1 /* 2^(fract(x)) - 1 */ - fld1 - faddp /* 2^(fract(x)) */ - fscale /* e^x */ - fstp %st(1) - ret - -1: testl $0x200, %eax /* Test sign. */ - jz 2f /* If positive, jump. */ - fstp %st - fldz /* Set result to 0. */ -2: ret diff --git a/winsup/mingw/mingwex/math/exp2l.S b/winsup/mingw/mingwex/math/exp2l.S deleted file mode 100644 index 2457c26f4..000000000 --- a/winsup/mingw/mingwex/math/exp2l.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - */ - - .file "exp2l.S" - .text - .align 4 -.globl _exp2l - .def _exp2l; .scl 2; .type 32; .endef -_exp2l: - fldt 4(%esp) -/* I added the following ugly construct because exp(+-Inf) resulted - in NaN. The ugliness results from the bright minds at Intel. - For the i686 the code can be written better. - -- drepper@cygnus.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - fld %st - frndint /* int(x) */ - fsubr %st,%st(1) /* fract(x) */ - fxch - f2xm1 /* 2^(fract(x)) - 1 */ - fld1 - faddp /* 2^(fract(x)) */ - fscale /* e^x */ - fstp %st(1) - ret - -1: testl $0x200, %eax /* Test sign. */ - jz 2f /* If positive, jump. */ - fstp %st - fldz /* Set result to 0. */ -2: ret diff --git a/winsup/mingw/mingwex/math/expf.c b/winsup/mingw/mingwex/math/expf.c deleted file mode 100644 index e56e0bc6e..000000000 --- a/winsup/mingw/mingwex/math/expf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float expf (float x) - {return (float) exp (x);} diff --git a/winsup/mingw/mingwex/math/expl.c b/winsup/mingw/mingwex/math/expl.c deleted file mode 100644 index 9731a902b..000000000 --- a/winsup/mingw/mingwex/math/expl.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - */ - -/* - * The 8087 method for the exponential function is to calculate - * exp(x) = 2^(x log2(e)) - * after separating integer and fractional parts - * x log2(e) = i + f, |f| <= .5 - * 2^i is immediate but f needs to be precise for long double accuracy. - * Suppress range reduction error in computing f by the following. - * Separate x into integer and fractional parts - * x = xi + xf, |xf| <= .5 - * Separate log2(e) into the sum of an exact number c0 and small part c1. - * c0 + c1 = log2(e) to extra precision - * Then - * f = (c0 xi - i) + c0 xf + c1 x - * where c0 xi is exact and so also is (c0 xi - i). - * -- moshier@na-net.ornl.gov - */ - -#include <math.h> -#include "cephes_mconf.h" /* for max and min log thresholds */ - -static long double c0 = 1.44268798828125L; -static long double c1 = 7.05260771340735992468e-6L; - -static long double -__expl (long double x) -{ - long double res; - asm ("fldl2e\n\t" /* 1 log2(e) */ - "fmul %%st(1),%%st\n\t" /* 1 x log2(e) */ - "frndint\n\t" /* 1 i */ - "fld %%st(1)\n\t" /* 2 x */ - "frndint\n\t" /* 2 xi */ - "fld %%st(1)\n\t" /* 3 i */ - "fldt %2\n\t" /* 4 c0 */ - "fld %%st(2)\n\t" /* 5 xi */ - "fmul %%st(1),%%st\n\t" /* 5 c0 xi */ - "fsubp %%st,%%st(2)\n\t" /* 4 f = c0 xi - i */ - "fld %%st(4)\n\t" /* 5 x */ - "fsub %%st(3),%%st\n\t" /* 5 xf = x - xi */ - "fmulp %%st,%%st(1)\n\t" /* 4 c0 xf */ - "faddp %%st,%%st(1)\n\t" /* 3 f = f + c0 xf */ - "fldt %3\n\t" /* 4 */ - "fmul %%st(4),%%st\n\t" /* 4 c1 * x */ - "faddp %%st,%%st(1)\n\t" /* 3 f = f + c1 * x */ - "f2xm1\n\t" /* 3 2^(fract(x * log2(e))) - 1 */ - "fld1\n\t" /* 4 1.0 */ - "faddp\n\t" /* 3 2^(fract(x * log2(e))) */ - "fstp %%st(1)\n\t" /* 2 */ - "fscale\n\t" /* 2 scale factor is st(1); e^x */ - "fstp %%st(1)\n\t" /* 1 */ - "fstp %%st(1)\n\t" /* 0 */ - : "=t" (res) : "0" (x), "m" (c0), "m" (c1) : "ax", "dx"); - return res; -} - -long double expl (long double x) -{ - if (x > MAXLOGL) - return INFINITY; - else if (x < MINLOGL) - return 0.0L; - else - return __expl (x); -} diff --git a/winsup/mingw/mingwex/math/expm1.c b/winsup/mingw/mingwex/math/expm1.c deleted file mode 100755 index 4b2f43939..000000000 --- a/winsup/mingw/mingwex/math/expm1.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Written 2005 by Gregory W. Chicares <chicares@cox.net>. - * Adapted to double by Danny Smith <dannysmith@users.sourceforge.net>. - * Public domain. - * - * F2XM1's input is constrained to (-1, +1), so the domain of - * 'x * LOG2EL' is (-LOGE2L, +LOGE2L). Outside that domain, - * delegating to exp() handles C99 7.12.6.3/2 range errors. - * - * Constants from moshier.net, file cephes/ldouble/constl.c, - * are used instead of M_LN2 and M_LOG2E, which would not be - * visible with 'gcc std=c99'. The use of these extended precision - * constants also allows gcc to replace them with x87 opcodes. - */ - -#include <math.h> /* expl() */ -#include "cephes_mconf.h" -double expm1 (double x) -{ - if (fabs(x) < LOGE2L) - { - x *= LOG2EL; - __asm__("f2xm1" : "=t" (x) : "0" (x)); - return x; - } - else - return exp(x) - 1.0; -} diff --git a/winsup/mingw/mingwex/math/expm1f.c b/winsup/mingw/mingwex/math/expm1f.c deleted file mode 100755 index e38665c48..000000000 --- a/winsup/mingw/mingwex/math/expm1f.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Written 2005 by Gregory W. Chicares <chicares@cox.net>. - * Adapted to float by Danny Smith <dannysmith@users.sourceforge.net>. - * Public domain. - * - * F2XM1's input is constrained to (-1, +1), so the domain of - * 'x * LOG2EL' is (-LOGE2L, +LOGE2L). Outside that domain, - * delegating to exp() handles C99 7.12.6.3/2 range errors. - * - * Constants from moshier.net, file cephes/ldouble/constl.c, - * are used instead of M_LN2 and M_LOG2E, which would not be - * visible with 'gcc std=c99'. The use of these extended precision - * constants also allows gcc to replace them with x87 opcodes. - */ - -#include <math.h> /* expl() */ -#include "cephes_mconf.h" - -float expm1f (float x) -{ - if (fabsf(x) < LOGE2L) - { - x *= LOG2EL; - __asm__("f2xm1" : "=t" (x) : "0" (x)); - return x; - } - else - return expf(x) - 1.0F; -} diff --git a/winsup/mingw/mingwex/math/expm1l.c b/winsup/mingw/mingwex/math/expm1l.c deleted file mode 100755 index 69fe8e525..000000000 --- a/winsup/mingw/mingwex/math/expm1l.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Written 2005 by Gregory W. Chicares <chicares@cox.net> with - * help from Danny Smith. dannysmith@users.sourceforge.net>. - * Public domain. - * - * F2XM1's input is constrained to (-1, +1), so the domain of - * 'x * LOG2EL' is (-LOGE2L, +LOGE2L). Outside that domain, - * delegating to expl() handles C99 7.12.6.3/2 range errors. - * - * Constants from moshier.net, file cephes/ldouble/constl.c, - * are used instead of M_LN2 and M_LOG2E, which would not be - * visible with 'gcc std=c99'. The use of these extended precision - * constants also allows gcc to replace them with x87 opcodes. - */ - -#include <math.h> /* expl() */ -#include "cephes_mconf.h" - -long double expm1l (long double x) -{ - if (fabsl(x) < LOGE2L) - { - x *= LOG2EL; - __asm__("f2xm1" : "=t" (x) : "0" (x)); - return x; - } - else - return expl(x) - 1.0L; -} diff --git a/winsup/mingw/mingwex/math/fabs.c b/winsup/mingw/mingwex/math/fabs.c deleted file mode 100644 index c2074e8cb..000000000 --- a/winsup/mingw/mingwex/math/fabs.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <math.h> - -double -fabs (double x) -{ - double res; - - asm ("fabs;" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/fabsf.c b/winsup/mingw/mingwex/math/fabsf.c deleted file mode 100644 index 6580f955c..000000000 --- a/winsup/mingw/mingwex/math/fabsf.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <math.h> - -float -fabsf (float x) -{ - float res; - asm ("fabs;" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/fabsl.c b/winsup/mingw/mingwex/math/fabsl.c deleted file mode 100644 index eead724d4..000000000 --- a/winsup/mingw/mingwex/math/fabsl.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <math.h> - -long double -fabsl (long double x) -{ - long double res; - asm ("fabs;" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/fastmath.h b/winsup/mingw/mingwex/math/fastmath.h deleted file mode 100755 index 01b06b3eb..000000000 --- a/winsup/mingw/mingwex/math/fastmath.h +++ /dev/null @@ -1,115 +0,0 @@ -#ifndef _MINGWEX_FASTMATH_H_ -#define _MINGWEX_FASTMATH_H_ - -/* Fast math inlines - No range or domain checks. No setting of errno. No tweaks to - protect precision near range limits. */ - -/* For now this is an internal header with just the functions that - are currently used in building libmingwex.a math components */ - -/* FIXME: We really should get rid of the code duplication using euther - C++ templates or tgmath-type macros. */ - -static __inline__ double __fast_sqrt (double x) -{ - double res; - asm __volatile__ ("fsqrt" : "=t" (res) : "0" (x)); - return res; -} - -static __inline__ long double __fast_sqrtl (long double x) -{ - long double res; - asm __volatile__ ("fsqrt" : "=t" (res) : "0" (x)); - return res; -} - -static __inline__ float __fast_sqrtf (float x) -{ - float res; - asm __volatile__ ("fsqrt" : "=t" (res) : "0" (x)); - return res; -} - - -static __inline__ double __fast_log (double x) -{ - double res; - asm __volatile__ - ("fldln2\n\t" - "fxch\n\t" - "fyl2x" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} - -static __inline__ long double __fast_logl (long double x) -{ - long double res; - asm __volatile__ - ("fldln2\n\t" - "fxch\n\t" - "fyl2x" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} - - -static __inline__ float __fast_logf (float x) -{ - float res; - asm __volatile__ - ("fldln2\n\t" - "fxch\n\t" - "fyl2x" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} - -static __inline__ double __fast_log1p (double x) -{ - double res; - /* fyl2xp1 accurate only for |x| <= 1.0 - 0.5 * sqrt (2.0) */ - if (fabs (x) >= 1.0 - 0.5 * 1.41421356237309504880) - res = __fast_log (1.0 + x); - else - asm __volatile__ - ("fldln2\n\t" - "fxch\n\t" - "fyl2xp1" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} - -static __inline__ long double __fast_log1pl (long double x) -{ - long double res; - /* fyl2xp1 accurate only for |x| <= 1.0 - 0.5 * sqrt (2.0) */ - if (fabsl (x) >= 1.0L - 0.5L * 1.41421356237309504880L) - res = __fast_logl (1.0L + x); - else - asm __volatile__ - ("fldln2\n\t" - "fxch\n\t" - "fyl2xp1" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} - -static __inline__ float __fast_log1pf (float x) -{ - float res; - /* fyl2xp1 accurate only for |x| <= 1.0 - 0.5 * sqrt (2.0) */ - if (fabsf (x) >= 1.0 - 0.5 * 1.41421356237309504880) - res = __fast_logf (1.0 + x); - else - asm __volatile__ - ("fldln2\n\t" - "fxch\n\t" - "fyl2xp1" - : "=t" (res) : "0" (x) : "st(1)"); - return res; -} - -#endif diff --git a/winsup/mingw/mingwex/math/fdim.c b/winsup/mingw/mingwex/math/fdim.c deleted file mode 100644 index 330b09241..000000000 --- a/winsup/mingw/mingwex/math/fdim.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -double -fdim (double x, double y) -{ - return (isgreater(x, y) ? (x - y) : 0.0); -} diff --git a/winsup/mingw/mingwex/math/fdimf.c b/winsup/mingw/mingwex/math/fdimf.c deleted file mode 100644 index 02bfc6e5e..000000000 --- a/winsup/mingw/mingwex/math/fdimf.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -float -fdimf (float x, float y) -{ - return (isgreater(x, y) ? (x - y) : 0.0F); -} diff --git a/winsup/mingw/mingwex/math/fdiml.c b/winsup/mingw/mingwex/math/fdiml.c deleted file mode 100644 index 1c3d0aaaa..000000000 --- a/winsup/mingw/mingwex/math/fdiml.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -long double -fdiml (long double x, long double y) -{ - return (isgreater(x, y) ? (x - y) : 0.0L); -} diff --git a/winsup/mingw/mingwex/math/floorf.S b/winsup/mingw/mingwex/math/floorf.S deleted file mode 100644 index 8ae8100a7..000000000 --- a/winsup/mingw/mingwex/math/floorf.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - .file "floorf.S" - .text - .align 4 -.globl _floorf - .def _floorf; .scl 2; .type 32; .endef -_floorf: - flds 4(%esp) - subl $8,%esp - - fstcw 4(%esp) /* store fpu control word */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x400,%edx /* round towards -oo */ - orl 4(%esp),%edx - andl $0xf7ff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - fldcw 4(%esp) /* restore original control word */ - - addl $8,%esp - ret diff --git a/winsup/mingw/mingwex/math/floorl.S b/winsup/mingw/mingwex/math/floorl.S deleted file mode 100644 index 5ab9214b5..000000000 --- a/winsup/mingw/mingwex/math/floorl.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * - */ - .file "floorl.S" - .text - .align 4 -.globl _floorl - .def _floorl; .scl 2; .type 32; .endef -_floorl: - fldt 4(%esp) - subl $8,%esp - - fstcw 4(%esp) /* store fpu control word */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x400,%edx /* round towards -oo */ - orl 4(%esp),%edx - andl $0xf7ff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - fldcw 4(%esp) /* restore original control word */ - - addl $8,%esp - ret diff --git a/winsup/mingw/mingwex/math/fma.S b/winsup/mingw/mingwex/math/fma.S deleted file mode 100644 index d6226653c..000000000 --- a/winsup/mingw/mingwex/math/fma.S +++ /dev/null @@ -1,12 +0,0 @@ - .file "fma.S" - .text - .align 2 - .p2align 4,,15 -.globl _fma - .def _fma; .scl 2; .type 32; .endef -_fma: - fldl 4(%esp) - fmull 12(%esp) - fldl 20(%esp) - faddp - ret diff --git a/winsup/mingw/mingwex/math/fmaf.S b/winsup/mingw/mingwex/math/fmaf.S deleted file mode 100644 index 0d64ac2f1..000000000 --- a/winsup/mingw/mingwex/math/fmaf.S +++ /dev/null @@ -1,12 +0,0 @@ - .file "fmaf.S" - .text - .align 2 - .p2align 4,,15 -.globl _fmaf - .def _fmaf; .scl 2; .type 32; .endef -_fmaf: - flds 4(%esp) - fmuls 8(%esp) - flds 12(%esp) - faddp - ret diff --git a/winsup/mingw/mingwex/math/fmal.c b/winsup/mingw/mingwex/math/fmal.c deleted file mode 100644 index 1fbd41d28..000000000 --- a/winsup/mingw/mingwex/math/fmal.c +++ /dev/null @@ -1,5 +0,0 @@ -long double -fmal ( long double _x, long double _y, long double _z) -{ - return ((_x * _y) + _z); -} diff --git a/winsup/mingw/mingwex/math/fmax.c b/winsup/mingw/mingwex/math/fmax.c deleted file mode 100644 index 35c1f45e5..000000000 --- a/winsup/mingw/mingwex/math/fmax.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -double -fmax (double _x, double _y) -{ - return ( isgreaterequal (_x, _y)|| __isnan (_y) ? _x : _y ); -} diff --git a/winsup/mingw/mingwex/math/fmaxf.c b/winsup/mingw/mingwex/math/fmaxf.c deleted file mode 100644 index 079a7e746..000000000 --- a/winsup/mingw/mingwex/math/fmaxf.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -float -fmaxf (float _x, float _y) -{ - return (( isgreaterequal(_x, _y) || __isnanf (_y)) ? _x : _y ); -} diff --git a/winsup/mingw/mingwex/math/fmaxl.c b/winsup/mingw/mingwex/math/fmaxl.c deleted file mode 100644 index 4e38da476..000000000 --- a/winsup/mingw/mingwex/math/fmaxl.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -long double -fmaxl (long double _x, long double _y) -{ - return (( isgreaterequal(_x, _y) || __isnanl (_y)) ? _x : _y ); -} diff --git a/winsup/mingw/mingwex/math/fmin.c b/winsup/mingw/mingwex/math/fmin.c deleted file mode 100644 index 96a6ed111..000000000 --- a/winsup/mingw/mingwex/math/fmin.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -double -fmin (double _x, double _y) -{ - return ((islessequal(_x, _y) || __isnan (_y)) ? _x : _y ); -} diff --git a/winsup/mingw/mingwex/math/fminf.c b/winsup/mingw/mingwex/math/fminf.c deleted file mode 100644 index f3d71480d..000000000 --- a/winsup/mingw/mingwex/math/fminf.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -float -fminf (float _x, float _y) -{ - return ((islessequal(_x, _y) || _isnan (_y)) ? _x : _y ); -} diff --git a/winsup/mingw/mingwex/math/fminl.c b/winsup/mingw/mingwex/math/fminl.c deleted file mode 100644 index d8a3fea2c..000000000 --- a/winsup/mingw/mingwex/math/fminl.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -long double -fminl (long double _x, long double _y) -{ - return ((islessequal(_x, _y) || __isnanl (_y)) ? _x : _y ); -} diff --git a/winsup/mingw/mingwex/math/fmodf.c b/winsup/mingw/mingwex/math/fmodf.c deleted file mode 100644 index 6405d725f..000000000 --- a/winsup/mingw/mingwex/math/fmodf.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for float type by Danny Smith - * <dannysmith@users.sourceforge.net>. - */ - -#include <math.h> - -float -fmodf (float x, float y) -{ - float res; - - asm ("1:\tfprem\n\t" - "fstsw %%ax\n\t" - "sahf\n\t" - "jp 1b\n\t" - "fstp %%st(1)" - : "=t" (res) : "0" (x), "u" (y) : "ax", "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/fmodl.c b/winsup/mingw/mingwex/math/fmodl.c deleted file mode 100644 index f1c97f10b..000000000 --- a/winsup/mingw/mingwex/math/fmodl.c +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - */ - -#include <math.h> - -long double -fmodl (long double x, long double y) -{ - long double res; - - asm ("1:\tfprem\n\t" - "fstsw %%ax\n\t" - "sahf\n\t" - "jp 1b\n\t" - "fstp %%st(1)" - : "=t" (res) : "0" (x), "u" (y) : "ax", "st(1)"); - return res; -} diff --git a/winsup/mingw/mingwex/math/fp_consts.c b/winsup/mingw/mingwex/math/fp_consts.c deleted file mode 100644 index 285c9d7dc..000000000 --- a/winsup/mingw/mingwex/math/fp_consts.c +++ /dev/null @@ -1,14 +0,0 @@ - -#include "fp_consts.h" -const union _ieee_rep __QNAN = { __DOUBLE_QNAN_REP }; -const union _ieee_rep __SNAN = { __DOUBLE_SNAN_REP }; -const union _ieee_rep __INF = { __DOUBLE_INF_REP }; -const union _ieee_rep __DENORM = { __DOUBLE_DENORM_REP }; - -/* ISO C99 */ -#undef nan -/* FIXME */ -double nan (const char * tagp __attribute__((unused)) ) - { return __QNAN.double_val; } - - diff --git a/winsup/mingw/mingwex/math/fp_consts.h b/winsup/mingw/mingwex/math/fp_consts.h deleted file mode 100644 index 249339501..000000000 --- a/winsup/mingw/mingwex/math/fp_consts.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef _FP_CONSTS_H -#define _FP_CONSTS_H - -/* -According to IEEE 754 a QNaN has exponent bits of all 1 values and -initial significand bit of 1. A SNaN has has an exponent of all 1 -values and initial significand bit of 0 (with one or more other -significand bits of 1). An Inf has significand of 0 and -exponent of all 1 values. A denormal value has all exponent bits of 0. - -The following does _not_ follow those rules, but uses values -equal to those exported from MS C++ runtime lib, msvcprt.dll -for float and double. MSVC however, does not have long doubles. -*/ - - -#define __DOUBLE_INF_REP { 0, 0, 0, 0x7ff0 } -#define __DOUBLE_QNAN_REP { 0, 0, 0, 0xfff8 } /* { 0, 0, 0, 0x7ff8 } */ -#define __DOUBLE_SNAN_REP { 0, 0, 0, 0xfff0 } /* { 1, 0, 0, 0x7ff0 } */ -#define __DOUBLE_DENORM_REP {1, 0, 0, 0} - -#define D_NAN_MASK 0x7ff0000000000000LL /* this will mask NaN's and Inf's */ - -#define __FLOAT_INF_REP { 0, 0x7f80 } -#define __FLOAT_QNAN_REP { 0, 0xffc0 } /* { 0, 0x7fc0 } */ -#define __FLOAT_SNAN_REP { 0, 0xff80 } /* { 1, 0x7f80 } */ -#define __FLOAT_DENORM_REP {1,0} - -#define F_NAN_MASK 0x7f800000 - -/* - This assumes no implicit (hidden) bit in extended mode. - Padded to 96 bits - */ -#define __LONG_DOUBLE_INF_REP { 0, 0, 0, 0x8000, 0x7fff, 0 } -#define __LONG_DOUBLE_QNAN_REP { 0, 0, 0, 0xc000, 0xffff, 0 } -#define __LONG_DOUBLE_SNAN_REP { 0, 0, 0, 0x8000, 0xffff, 0 } -#define __LONG_DOUBLE_DENORM_REP {1, 0, 0, 0, 0, 0} - -union _ieee_rep -{ - unsigned short rep[6]; - float float_val; - double double_val; - long double ldouble_val; -} ; - -#endif diff --git a/winsup/mingw/mingwex/math/fp_constsf.c b/winsup/mingw/mingwex/math/fp_constsf.c deleted file mode 100644 index 5a4afef2b..000000000 --- a/winsup/mingw/mingwex/math/fp_constsf.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "fp_consts.h" - -const union _ieee_rep __QNANF = { __FLOAT_QNAN_REP }; -const union _ieee_rep __SNANF = { __FLOAT_SNAN_REP }; -const union _ieee_rep __INFF = { __FLOAT_INF_REP }; -const union _ieee_rep __DENORMF = { __FLOAT_DENORM_REP }; - -/* ISO C99 */ -#undef nanf -/* FIXME */ -float nanf(const char * tagp __attribute__((unused)) ) - { return __QNANF.float_val;} diff --git a/winsup/mingw/mingwex/math/fp_constsl.c b/winsup/mingw/mingwex/math/fp_constsl.c deleted file mode 100644 index 44fdb7fd3..000000000 --- a/winsup/mingw/mingwex/math/fp_constsl.c +++ /dev/null @@ -1,12 +0,0 @@ -#include "fp_consts.h" - -const union _ieee_rep __QNANL = { __LONG_DOUBLE_QNAN_REP }; -const union _ieee_rep __SNANL = { __LONG_DOUBLE_SNAN_REP }; -const union _ieee_rep __INFL = { __LONG_DOUBLE_INF_REP }; -const union _ieee_rep __DENORML = { __LONG_DOUBLE_DENORM_REP }; - - -#undef nanl -/* FIXME */ -long double nanl (const char * tagp __attribute__((unused)) ) - { return __QNANL.ldouble_val; } diff --git a/winsup/mingw/mingwex/math/fpclassify.c b/winsup/mingw/mingwex/math/fpclassify.c deleted file mode 100644 index f8cd8cb44..000000000 --- a/winsup/mingw/mingwex/math/fpclassify.c +++ /dev/null @@ -1,20 +0,0 @@ -#include <math.h> - -/* 'fxam' sets FPU flags C3,C2,C0 'fstsw' stores: - FP_NAN 001 0x0100 - FP_NORMAL 010 0x0400 - FP_INFINITE 011 0x0500 - FP_ZERO 100 0x4000 - FP_SUBNORMAL 110 0x4400 - -and sets C1 flag (signbit) if neg */ - -int __fpclassify (double _x){ - unsigned short sw; - __asm__ ( - "fxam; fstsw %%ax;" - : "=a" (sw) - : "t" (_x) - ); - return sw & (FP_NAN | FP_NORMAL | FP_ZERO ); -} diff --git a/winsup/mingw/mingwex/math/fpclassifyf.c b/winsup/mingw/mingwex/math/fpclassifyf.c deleted file mode 100644 index aca4e59f1..000000000 --- a/winsup/mingw/mingwex/math/fpclassifyf.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <math.h> -int __fpclassifyf (float _x){ - unsigned short sw; - __asm__ ( - "fxam; fstsw %%ax;" - : "=a" (sw) - : "t" (_x) - ); - return sw & (FP_NAN | FP_NORMAL | FP_ZERO ); -} diff --git a/winsup/mingw/mingwex/math/fpclassifyl.c b/winsup/mingw/mingwex/math/fpclassifyl.c deleted file mode 100644 index 9979d6278..000000000 --- a/winsup/mingw/mingwex/math/fpclassifyl.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <math.h> -int __fpclassifyl (long double _x){ - unsigned short sw; - __asm__ ( - "fxam; fstsw %%ax;" - : "=a" (sw) - : "t" (_x) - ); - return sw & (FP_NAN | FP_NORMAL | FP_ZERO ); -} diff --git a/winsup/mingw/mingwex/math/frexpf.c b/winsup/mingw/mingwex/math/frexpf.c deleted file mode 100644 index df262abc5..000000000 --- a/winsup/mingw/mingwex/math/frexpf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float frexpf (float x, int* expn) - {return (float)frexp(x, expn);} diff --git a/winsup/mingw/mingwex/math/frexpl.S b/winsup/mingw/mingwex/math/frexpl.S deleted file mode 100644 index 2b691c87f..000000000 --- a/winsup/mingw/mingwex/math/frexpl.S +++ /dev/null @@ -1,71 +0,0 @@ -/* - Cephes Math Library Release 2.7: May, 1998 - Copyright 1984, 1987, 1988, 1992, 1998 by Stephen L. Moshier - - Extracted from floorl.387 for use in libmingwex.a by - Danny Smith <dannysmith@users.sourceforge.net> - 2002-06-20 -*/ - -/* - * frexpl(long double x, int* expnt) extracts the exponent from x. - * It returns an integer power of two to expnt and the significand - * between 0.5 and 1 to y. Thus x = y * 2**expn. - */ - .align 2 -.globl _frexpl -_frexpl: - pushl %ebp - movl %esp,%ebp - subl $24,%esp - pushl %esi - pushl %ebx - fldt 8(%ebp) - movl 20(%ebp),%ebx - fld %st(0) - fstpt -12(%ebp) - leal -4(%ebp),%ecx - movw -4(%ebp),%dx - andl $32767,%edx - jne L25 - fldz - fucompp - fnstsw %ax - andb $68,%ah - xorb $64,%ah - jne L21 - movl $0,(%ebx) - fldz - jmp L24 - .align 2,0x90 - .align 2,0x90 -L21: - fldt -12(%ebp) - fadd %st(0),%st - fstpt -12(%ebp) - decl %edx - movw (%ecx),%si - andl $32767,%esi - jne L22 - cmpl $-66,%edx - jg L21 -L22: - addl %esi,%edx - jmp L19 - .align 2,0x90 -L25: - fstp %st(0) -L19: - addl $-16382,%edx - movl %edx,(%ebx) - movw (%ecx),%ax - andl $-32768,%eax - orl $16382,%eax - movw %ax,(%ecx) - fldt -12(%ebp) -L24: - leal -32(%ebp),%esp - popl %ebx - popl %esi - leave - ret diff --git a/winsup/mingw/mingwex/math/fucom.c b/winsup/mingw/mingwex/math/fucom.c deleted file mode 100644 index 80c937262..000000000 --- a/winsup/mingw/mingwex/math/fucom.c +++ /dev/null @@ -1,11 +0,0 @@ -int -__fp_unordered_compare (long double x, long double y){ - unsigned short retval; - __asm__ ( - "fucom %%st(1);" - "fnstsw;" - : "=a" (retval) - : "t" (x), "u" (y) - ); - return retval; -} diff --git a/winsup/mingw/mingwex/math/hypotf.c b/winsup/mingw/mingwex/math/hypotf.c deleted file mode 100644 index ee67a45dc..000000000 --- a/winsup/mingw/mingwex/math/hypotf.c +++ /dev/null @@ -1,4 +0,0 @@ -#include <math.h> - -float hypotf (float x, float y) - { return (float) _hypot (x, y);} diff --git a/winsup/mingw/mingwex/math/hypotl.c b/winsup/mingw/mingwex/math/hypotl.c deleted file mode 100644 index 2a25b82c3..000000000 --- a/winsup/mingw/mingwex/math/hypotl.c +++ /dev/null @@ -1,73 +0,0 @@ -#include <math.h> -#include <float.h> -#include <errno.h> - -/* -This implementation is based largely on Cephes library -function cabsl (cmplxl.c), which bears the following notice: - -Cephes Math Library Release 2.1: January, 1989 -Copyright 1984, 1987, 1989 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - -/* - Modified for use in libmingwex.a - 02 Sept 2002 Danny Smith <dannysmith@users.sourceforege.net> - Calls to ldexpl replaced by logbl and calls to frexpl replaced - by scalbnl to avoid duplicated range checks. -*/ - -extern long double __INFL; -#define PRECL 32 - -long double -hypotl (long double x, long double y) -{ - int exx; - int eyy; - int scale; - long double xx =fabsl(x); - long double yy =fabsl(y); - if (!isfinite(xx) || !isfinite(yy)) - return xx + yy; /* Return INF or NAN. */ - - if (xx == 0.0L) - return yy; - if (yy == 0.0L) - return xx; - - /* Get exponents */ - exx = logbl (xx); - eyy = logbl (yy); - - /* Check if large differences in scale */ - scale = exx - eyy; - if ( scale > PRECL) - return xx; - if ( scale < -PRECL) - return yy; - - /* Exponent of approximate geometric mean (x 2) */ - scale = (exx + eyy) >> 1; - - /* Rescale: Geometric mean is now about 2 */ - x = scalbnl(xx, -scale); - y = scalbnl(yy, -scale); - - xx = sqrtl(x * x + y * y); - - /* Check for overflow and underflow */ - exx = logbl(xx); - exx += scale; - if (exx > LDBL_MAX_EXP) - { - errno = ERANGE; - return __INFL; - } - if (exx < LDBL_MIN_EXP) - return 0.0L; - - /* Undo scaling */ - return (scalbnl (xx, scale)); -} diff --git a/winsup/mingw/mingwex/math/ilogb.S b/winsup/mingw/mingwex/math/ilogb.S deleted file mode 100644 index 2335b5146..000000000 --- a/winsup/mingw/mingwex/math/ilogb.S +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - - .file "ilogb.S" - .text - .align 4 -.globl _ilogb - .def _ilogb; .scl 2; .type 32; .endef -_ilogb: - - fldl 4(%esp) -/* I added the following ugly construct because ilogb(+-Inf) is - required to return INT_MAX in ISO C99. - -- jakub@redhat.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - - fxtract - pushl %eax - fstp %st - - fistpl (%esp) - fwait - popl %eax - - ret - -1: fstp %st - movl $0x7fffffff, %eax - ret diff --git a/winsup/mingw/mingwex/math/ilogbf.S b/winsup/mingw/mingwex/math/ilogbf.S deleted file mode 100644 index fa3e78e84..000000000 --- a/winsup/mingw/mingwex/math/ilogbf.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "ilogbf.S" - .text - .align 4 -.globl _ilogbf - .def _ilogbf; .scl 2; .type 32; .endef -_ilogbf: - flds 4(%esp) -/* I added the following ugly construct because ilogb(+-Inf) is - required to return INT_MAX in ISO C99. - -- jakub@redhat.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - - fxtract - pushl %eax - fstp %st - - fistpl (%esp) - fwait - popl %eax - - ret - -1: fstp %st - movl $0x7fffffff, %eax - ret diff --git a/winsup/mingw/mingwex/math/ilogbl.S b/winsup/mingw/mingwex/math/ilogbl.S deleted file mode 100644 index b9dc6ea72..000000000 --- a/winsup/mingw/mingwex/math/ilogbl.S +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Public domain. - */ - - .file "ilogbl.S" - .text - .align 4 -.globl _ilogbl - .def _ilogbl; .scl 2; .type 32; .endef -_ilogbl: - fldt 4(%esp) -/* I added the following ugly construct because ilogb(+-Inf) is - required to return INT_MAX in ISO C99. - -- jakub@redhat.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - - fxtract - pushl %eax - fstp %st - - fistpl (%esp) - fwait - popl %eax - - ret - -1: fstp %st - movl $0x7fffffff, %eax - ret diff --git a/winsup/mingw/mingwex/math/isnan.c b/winsup/mingw/mingwex/math/isnan.c deleted file mode 100644 index b38bc290e..000000000 --- a/winsup/mingw/mingwex/math/isnan.c +++ /dev/null @@ -1,14 +0,0 @@ -#include <math.h> - -int -__isnan (double _x) -{ - unsigned short _sw; - __asm__ ("fxam;" - "fstsw %%ax": "=a" (_sw) : "t" (_x)); - return (_sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) - == FP_NAN; -} - -#undef isnan -int __attribute__ ((alias ("__isnan"))) isnan (double); diff --git a/winsup/mingw/mingwex/math/isnanf.c b/winsup/mingw/mingwex/math/isnanf.c deleted file mode 100644 index 73fe0eb02..000000000 --- a/winsup/mingw/mingwex/math/isnanf.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <math.h> -int -__isnanf (float _x) -{ - unsigned short _sw; - __asm__ ("fxam;" - "fstsw %%ax": "=a" (_sw) : "t" (_x) ); - return (_sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) - == FP_NAN; -} - -int __attribute__ ((alias ("__isnanf"))) isnanf (float); diff --git a/winsup/mingw/mingwex/math/isnanl.c b/winsup/mingw/mingwex/math/isnanl.c deleted file mode 100644 index 86d0088b4..000000000 --- a/winsup/mingw/mingwex/math/isnanl.c +++ /dev/null @@ -1,13 +0,0 @@ -#include <math.h> - -int -__isnanl (long double _x) -{ - unsigned short _sw; - __asm__ ("fxam;" - "fstsw %%ax": "=a" (_sw) : "t" (_x)); - return (_sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) - == FP_NAN; -} - -int __attribute__ ((alias ("__isnanl"))) isnanl (long double); diff --git a/winsup/mingw/mingwex/math/ldexpf.c b/winsup/mingw/mingwex/math/ldexpf.c deleted file mode 100644 index 5d01a0184..000000000 --- a/winsup/mingw/mingwex/math/ldexpf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float ldexpf (float x, int expn) - {return (float) ldexp (x, expn);} diff --git a/winsup/mingw/mingwex/math/ldexpl.c b/winsup/mingw/mingwex/math/ldexpl.c deleted file mode 100644 index 19a3d56e3..000000000 --- a/winsup/mingw/mingwex/math/ldexpl.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <errno.h> - -long double ldexpl(long double x, int expn) -{ - long double res; - if (!isfinite (x) || x == 0.0L) - return x; - - __asm__ ("fscale" - : "=t" (res) - : "0" (x), "u" ((long double) expn)); - - if (!isfinite (res) || res == 0.0L) - errno = ERANGE; - - return res; -} - diff --git a/winsup/mingw/mingwex/math/lgamma.c b/winsup/mingw/mingwex/math/lgamma.c deleted file mode 100644 index b569f9adc..000000000 --- a/winsup/mingw/mingwex/math/lgamma.c +++ /dev/null @@ -1,369 +0,0 @@ -/* lgam() - * - * Natural logarithm of gamma function - * - * - * - * SYNOPSIS: - * - * double x, y, __lgamma_r(); - * int* sgngam; - * y = __lgamma_r( x, sgngam ); - * - * double x, y, lgamma(); - * y = lgamma( x); - * - * - * - * DESCRIPTION: - * - * Returns the base e (2.718...) logarithm of the absolute - * value of the gamma function of the argument. In the reentrant - * version, the sign (+1 or -1) of the gamma function is returned - * in the variable referenced by sgngam. - * - * For arguments greater than 13, the logarithm of the gamma - * function is approximated by the logarithmic version of - * Stirling's formula using a polynomial approximation of - * degree 4. Arguments between -33 and +33 are reduced by - * recurrence to the interval [2,3] of a rational approximation. - * The cosecant reflection formula is employed for arguments - * less than -33. - * - * Arguments greater than MAXLGM return MAXNUM and an error - * message. MAXLGM = 2.035093e36 for DEC - * arithmetic or 2.556348e305 for IEEE arithmetic. - * - * - * - * ACCURACY: - * - * - * arithmetic domain # trials peak rms - * DEC 0, 3 7000 5.2e-17 1.3e-17 - * DEC 2.718, 2.035e36 5000 3.9e-17 9.9e-18 - * IEEE 0, 3 28000 5.4e-16 1.1e-16 - * IEEE 2.718, 2.556e305 40000 3.5e-16 8.3e-17 - * The error criterion was relative when the function magnitude - * was greater than one but absolute when it was less than one. - * - * The following test used the relative error criterion, though - * at certain points the relative error could be much higher than - * indicated. - * IEEE -200, -4 10000 4.8e-16 1.3e-16 - * - */ - -/* - * Cephes Math Library Release 2.8: June, 2000 - * Copyright 1984, 1987, 1989, 1992, 2000 by Stephen L. Moshier - */ - -/* - * 26-11-2002 Modified for mingw. - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - -#ifndef __MINGW32__ -#include "mconf.h" -#ifdef ANSIPROT -extern double pow ( double, double ); -extern double log ( double ); -extern double exp ( double ); -extern double sin ( double ); -extern double polevl ( double, void *, int ); -extern double p1evl ( double, void *, int ); -extern double floor ( double ); -extern double fabs ( double ); -extern int isnan ( double ); -extern int isfinite ( double ); -#else -double pow(), log(), exp(), sin(), polevl(), p1evl(), floor(), fabs(); -int isnan(), isfinite(); -#endif -#ifdef INFINITIES -extern double INFINITY; -#endif -#ifdef NANS -extern double NAN; -#endif -#else /* __MINGW32__ */ -#include "cephes_mconf.h" -#endif /* __MINGW32__ */ - - -/* A[]: Stirling's formula expansion of log gamma - * B[], C[]: log gamma function between 2 and 3 - */ -#ifdef UNK -static double A[] = { - 8.11614167470508450300E-4, --5.95061904284301438324E-4, - 7.93650340457716943945E-4, --2.77777777730099687205E-3, - 8.33333333333331927722E-2 -}; -static double B[] = { --1.37825152569120859100E3, --3.88016315134637840924E4, --3.31612992738871184744E5, --1.16237097492762307383E6, --1.72173700820839662146E6, --8.53555664245765465627E5 -}; -static double C[] = { -/* 1.00000000000000000000E0, */ --3.51815701436523470549E2, --1.70642106651881159223E4, --2.20528590553854454839E5, --1.13933444367982507207E6, --2.53252307177582951285E6, --2.01889141433532773231E6 -}; -/* log( sqrt( 2*pi ) ) */ -static double LS2PI = 0.91893853320467274178; -#define MAXLGM 2.556348e305 -static double LOGPI = 1.14472988584940017414; -#endif - -#ifdef DEC -static const unsigned short A[] = { -0035524,0141201,0034633,0031405, -0135433,0176755,0126007,0045030, -0035520,0006371,0003342,0172730, -0136066,0005540,0132605,0026407, -0037252,0125252,0125252,0125132 -}; -static const unsigned short B[] = { -0142654,0044014,0077633,0035410, -0144027,0110641,0125335,0144760, -0144641,0165637,0142204,0047447, -0145215,0162027,0146246,0155211, -0145322,0026110,0010317,0110130, -0145120,0061472,0120300,0025363 -}; -static const unsigned short C[] = { -/*0040200,0000000,0000000,0000000*/ -0142257,0164150,0163630,0112622, -0143605,0050153,0156116,0135272, -0144527,0056045,0145642,0062332, -0145213,0012063,0106250,0001025, -0145432,0111254,0044577,0115142, -0145366,0071133,0050217,0005122 -}; -/* log( sqrt( 2*pi ) ) */ -static const unsigned short LS2P[] = {040153,037616,041445,0172645,}; -#define LS2PI *(double *)LS2P -#define MAXLGM 2.035093e36 -static const unsigned short LPI[4] = { -0040222,0103202,0043475,0006750, -}; -#define LOGPI *(double *)LPI - -#endif - -#ifdef IBMPC -static const unsigned short A[] = { -0x6661,0x2733,0x9850,0x3f4a, -0xe943,0xb580,0x7fbd,0xbf43, -0x5ebb,0x20dc,0x019f,0x3f4a, -0xa5a1,0x16b0,0xc16c,0xbf66, -0x554b,0x5555,0x5555,0x3fb5 -}; -static const unsigned short B[] = { -0x6761,0x8ff3,0x8901,0xc095, -0xb93e,0x355b,0xf234,0xc0e2, -0x89e5,0xf890,0x3d73,0xc114, -0xdb51,0xf994,0xbc82,0xc131, -0xf20b,0x0219,0x4589,0xc13a, -0x055e,0x5418,0x0c67,0xc12a -}; -static const unsigned short C[] = { -/*0x0000,0x0000,0x0000,0x3ff0,*/ -0x12b2,0x1cf3,0xfd0d,0xc075, -0xd757,0x7b89,0xaa0d,0xc0d0, -0x4c9b,0xb974,0xeb84,0xc10a, -0x0043,0x7195,0x6286,0xc131, -0xf34c,0x892f,0x5255,0xc143, -0xe14a,0x6a11,0xce4b,0xc13e -}; -/* log( sqrt( 2*pi ) ) */ -static const union -{ - unsigned short s[4]; - double d; -} ls2p = {{0xbeb5,0xc864,0x67f1,0x3fed}}; -#define LS2PI (ls2p.d) -#define MAXLGM 2.556348e305 -/* log (pi) */ -static const union -{ - unsigned short s[4]; - double d; -} lpi = {{0xa1bd,0x48e7,0x50d0,0x3ff2}}; -#define LOGPI (lpi.d) -#endif - -#ifdef MIEEE -static const unsigned short A[] = { -0x3f4a,0x9850,0x2733,0x6661, -0xbf43,0x7fbd,0xb580,0xe943, -0x3f4a,0x019f,0x20dc,0x5ebb, -0xbf66,0xc16c,0x16b0,0xa5a1, -0x3fb5,0x5555,0x5555,0x554b -}; -static const unsigned short B[] = { -0xc095,0x8901,0x8ff3,0x6761, -0xc0e2,0xf234,0x355b,0xb93e, -0xc114,0x3d73,0xf890,0x89e5, -0xc131,0xbc82,0xf994,0xdb51, -0xc13a,0x4589,0x0219,0xf20b, -0xc12a,0x0c67,0x5418,0x055e -}; -static const unsigned short C[] = { -0xc075,0xfd0d,0x1cf3,0x12b2, -0xc0d0,0xaa0d,0x7b89,0xd757, -0xc10a,0xeb84,0xb974,0x4c9b, -0xc131,0x6286,0x7195,0x0043, -0xc143,0x5255,0x892f,0xf34c, -0xc13e,0xce4b,0x6a11,0xe14a -}; -/* log( sqrt( 2*pi ) ) */ -static const union -{ - unsigned short s[4]; - double d; -} ls2p = {{0x3fed,0x67f1,0xc864,0xbeb5}}; -#define LS2PI ls2p.d -#define MAXLGM 2.556348e305 -/* log (pi) */ -static const union -{ - unsigned short s[4]; - double d; -} lpi = {{0x3ff2, 0x50d0, 0x48e7, 0xa1bd}}; -#define LOGPI (lpi.d) -#endif - - -/* Logarithm of gamma function */ -/* Reentrant version */ - -double __lgamma_r(double x, int* sgngam) -{ -double p, q, u, w, z; -int i; - -*sgngam = 1; -#ifdef NANS -if( isnan(x) ) - return(x); -#endif - -#ifdef INFINITIES -if( !isfinite(x) ) - return(INFINITY); -#endif - -if( x < -34.0 ) - { - q = -x; - w = __lgamma_r(q, sgngam); /* note this modifies sgngam! */ - p = floor(q); - if( p == q ) - { -lgsing: - _SET_ERRNO(EDOM); - mtherr( "lgam", SING ); -#ifdef INFINITIES - return (INFINITY); -#else - return (MAXNUM); -#endif - } - i = p; - if( (i & 1) == 0 ) - *sgngam = -1; - else - *sgngam = 1; - z = q - p; - if( z > 0.5 ) - { - p += 1.0; - z = p - q; - } - z = q * sin( PI * z ); - if( z == 0.0 ) - goto lgsing; -/* z = log(PI) - log( z ) - w;*/ - z = LOGPI - log( z ) - w; - return( z ); - } - -if( x < 13.0 ) - { - z = 1.0; - p = 0.0; - u = x; - while( u >= 3.0 ) - { - p -= 1.0; - u = x + p; - z *= u; - } - while( u < 2.0 ) - { - if( u == 0.0 ) - goto lgsing; - z /= u; - p += 1.0; - u = x + p; - } - if( z < 0.0 ) - { - *sgngam = -1; - z = -z; - } - else - *sgngam = 1; - if( u == 2.0 ) - return( log(z) ); - p -= 2.0; - x = x + p; - p = x * polevl( x, B, 5 ) / p1evl( x, C, 6); - return( log(z) + p ); - } - -if( x > MAXLGM ) - { - _SET_ERRNO(ERANGE); - mtherr( "lgamma", OVERFLOW ); -#ifdef INFINITIES - return( *sgngam * INFINITY ); -#else - return( *sgngam * MAXNUM ); -#endif - } - -q = ( x - 0.5 ) * log(x) - x + LS2PI; -if( x > 1.0e8 ) - return( q ); - -p = 1.0/(x*x); -if( x >= 1000.0 ) - q += (( 7.9365079365079365079365e-4 * p - - 2.7777777777777777777778e-3) *p - + 0.0833333333333333333333) / x; -else - q += polevl( p, A, 4 ) / x; -return( q ); -} - -/* This is the C99 version */ - -double lgamma(double x) -{ - int local_sgngam=0; - return (__lgamma_r(x, &local_sgngam)); -} diff --git a/winsup/mingw/mingwex/math/lgammaf.c b/winsup/mingw/mingwex/math/lgammaf.c deleted file mode 100644 index 20982f999..000000000 --- a/winsup/mingw/mingwex/math/lgammaf.c +++ /dev/null @@ -1,253 +0,0 @@ -/* lgamf() - * - * Natural logarithm of gamma function - * - * - * - * SYNOPSIS: - * - * float x, y, __lgammaf_r(); - * int* sgngamf; - * y = __lgammaf_r( x, sgngamf ); - * - * float x, y, lgammaf(); - * y = lgammaf( x); - * - * - * - * DESCRIPTION: - * - * Returns the base e (2.718...) logarithm of the absolute - * value of the gamma function of the argument. In the reentrant - * version the sign (+1 or -1) of the gamma function is returned in - * variable referenced by sgngamf. - * - * For arguments greater than 6.5, the logarithm of the gamma - * function is approximated by the logarithmic version of - * Stirling's formula. Arguments between 0 and +6.5 are reduced by - * by recurrence to the interval [.75,1.25] or [1.5,2.5] of a rational - * approximation. The cosecant reflection formula is employed for - * arguments less than zero. - * - * Arguments greater than MAXLGM = 2.035093e36 return MAXNUM and an - * error message. - * - * - * - * ACCURACY: - * - * - * - * arithmetic domain # trials peak rms - * IEEE -100,+100 500,000 7.4e-7 6.8e-8 - * The error criterion was relative when the function magnitude - * was greater than one but absolute when it was less than one. - * The routine has low relative error for positive arguments. - * - * The following test used the relative error criterion. - * IEEE -2, +3 100000 4.0e-7 5.6e-8 - * - */ - - -/* - Cephes Math Library Release 2.7: July, 1998 - Copyright 1984, 1987, 1989, 1992, 1998 by Stephen L. Moshier -*/ - -/* - 26-11-2002 Modified for mingw. - Danny Smith <dannysmith@users.sourceforge.net> -*/ - - -/* log gamma(x+2), -.5 < x < .5 */ -static const float B[] = { - 6.055172732649237E-004, --1.311620815545743E-003, - 2.863437556468661E-003, --7.366775108654962E-003, - 2.058355474821512E-002, --6.735323259371034E-002, - 3.224669577325661E-001, - 4.227843421859038E-001 -}; - -/* log gamma(x+1), -.25 < x < .25 */ -static const float C[] = { - 1.369488127325832E-001, --1.590086327657347E-001, - 1.692415923504637E-001, --2.067882815621965E-001, - 2.705806208275915E-001, --4.006931650563372E-001, - 8.224670749082976E-001, --5.772156501719101E-001 -}; - -/* log( sqrt( 2*pi ) ) */ -static const float LS2PI = 0.91893853320467274178; -#define MAXLGM 2.035093e36 -static const float PIINV = 0.318309886183790671538; - -#ifndef __MINGW32__ -#include "mconf.h" -float floorf(float); -float polevlf( float, float *, int ); -float p1evlf( float, float *, int ); -#else -#include "cephes_mconf.h" -#endif - -/* Reentrant version */ -/* Logarithm of gamma function */ - -float __lgammaf_r( float x, int* sgngamf ) -{ -float p, q, w, z; -float nx, tx; -int i, direction; - -*sgngamf = 1; -#ifdef NANS -if( isnan(x) ) - return(x); -#endif - -#ifdef INFINITIES -if( !isfinite(x) ) - return(x); -#endif - - -if( x < 0.0 ) - { - q = -x; - w = __lgammaf_r(q, sgngamf); /* note this modifies sgngam! */ - p = floorf(q); - if( p == q ) - { -lgsing: - _SET_ERRNO(EDOM); - mtherr( "lgamf", SING ); -#ifdef INFINITIES - return (INFINITYF); -#else - return( *sgngamf * MAXNUMF ); -#endif - } - i = p; - if( (i & 1) == 0 ) - *sgngamf = -1; - else - *sgngamf = 1; - z = q - p; - if( z > 0.5 ) - { - p += 1.0; - z = p - q; - } - z = q * sinf( PIF * z ); - if( z == 0.0 ) - goto lgsing; - z = -logf( PIINV*z ) - w; - return( z ); - } - -if( x < 6.5 ) - { - direction = 0; - z = 1.0; - tx = x; - nx = 0.0; - if( x >= 1.5 ) - { - while( tx > 2.5 ) - { - nx -= 1.0; - tx = x + nx; - z *=tx; - } - x += nx - 2.0; -iv1r5: - p = x * polevlf( x, B, 7 ); - goto cont; - } - if( x >= 1.25 ) - { - z *= x; - x -= 1.0; /* x + 1 - 2 */ - direction = 1; - goto iv1r5; - } - if( x >= 0.75 ) - { - x -= 1.0; - p = x * polevlf( x, C, 7 ); - q = 0.0; - goto contz; - } - while( tx < 1.5 ) - { - if( tx == 0.0 ) - goto lgsing; - z *=tx; - nx += 1.0; - tx = x + nx; - } - direction = 1; - x += nx - 2.0; - p = x * polevlf( x, B, 7 ); - -cont: - if( z < 0.0 ) - { - *sgngamf = -1; - z = -z; - } - else - { - *sgngamf = 1; - } - q = logf(z); - if( direction ) - q = -q; -contz: - return( p + q ); - } - -if( x > MAXLGM ) - { - _SET_ERRNO(ERANGE); - mtherr( "lgamf", OVERFLOW ); -#ifdef INFINITIES - return( *sgngamf * INFINITYF ); -#else - return( *sgngamf * MAXNUMF ); -#endif - - } - -/* Note, though an asymptotic formula could be used for x >= 3, - * there is cancellation error in the following if x < 6.5. */ -q = LS2PI - x; -q += ( x - 0.5 ) * logf(x); - -if( x <= 1.0e4 ) - { - z = 1.0/x; - p = z * z; - q += (( 6.789774945028216E-004 * p - - 2.769887652139868E-003 ) * p - + 8.333316229807355E-002 ) * z; - } -return( q ); -} - -/* This is the C99 version */ - -float lgammaf(float x) -{ - int local_sgngamf=0; - return (__lgammaf_r(x, &local_sgngamf)); -} diff --git a/winsup/mingw/mingwex/math/lgammal.c b/winsup/mingw/mingwex/math/lgammal.c deleted file mode 100644 index d2b306afd..000000000 --- a/winsup/mingw/mingwex/math/lgammal.c +++ /dev/null @@ -1,416 +0,0 @@ -/* lgaml() - * - * Natural logarithm of gamma function - * - * - * - * SYNOPSIS: - * - * long double x, y, __lgammal_r(); - * int* sgngaml; - * y = __lgammal_r( x, sgngaml ); - * - * long double x, y, lgammal(); - * y = lgammal( x); - * - * - * - * DESCRIPTION: - * - * Returns the base e (2.718...) logarithm of the absolute - * value of the gamma function of the argument. In the reentrant - * version, the sign (+1 or -1) of the gamma function is returned - * in the variable referenced by sgngaml. - * - * For arguments greater than 33, the logarithm of the gamma - * function is approximated by the logarithmic version of - * Stirling's formula using a polynomial approximation of - * degree 4. Arguments between -33 and +33 are reduced by - * recurrence to the interval [2,3] of a rational approximation. - * The cosecant reflection formula is employed for arguments - * less than -33. - * - * Arguments greater than MAXLGML (10^4928) return MAXNUML. - * - * - * - * ACCURACY: - * - * - * arithmetic domain # trials peak rms - * IEEE -40, 40 100000 2.2e-19 4.6e-20 - * IEEE 10^-2000,10^+2000 20000 1.6e-19 3.3e-20 - * The error criterion was relative when the function magnitude - * was greater than one but absolute when it was less than one. - * - */ - -/* - * Copyright 1994 by Stephen L. Moshier - */ - -/* - * 26-11-2002 Modified for mingw. - * Danny Smith <dannysmith@users.sourceforge.net> - */ - -#ifndef __MINGW32__ -#include "mconf.h" -#ifdef ANSIPROT -extern long double fabsl ( long double ); -extern long double lgaml ( long double ); -extern long double logl ( long double ); -extern long double expl ( long double ); -extern long double gammal ( long double ); -extern long double sinl ( long double ); -extern long double floorl ( long double ); -extern long double powl ( long double, long double ); -extern long double polevll ( long double, void *, int ); -extern long double p1evll ( long double, void *, int ); -extern int isnanl ( long double ); -extern int isfinitel ( long double ); -#else -long double fabsl(), lgaml(), logl(), expl(), gammal(), sinl(); -long double floorl(), powl(), polevll(), p1evll(), isnanl(), isfinitel(); -#endif -#ifdef INFINITIES -extern long double INFINITYL; -#endif -#ifdef NANS -extern long double NANL; -#endif -#else /* __MINGW32__ */ -#include "cephes_mconf.h" -#endif /* __MINGW32__ */ - -#if UNK -static long double S[9] = { --1.193945051381510095614E-3L, - 7.220599478036909672331E-3L, --9.622023360406271645744E-3L, --4.219773360705915470089E-2L, - 1.665386113720805206758E-1L, --4.200263503403344054473E-2L, --6.558780715202540684668E-1L, - 5.772156649015328608253E-1L, - 1.000000000000000000000E0L, -}; -#endif -#if IBMPC -static const unsigned short S[] = { -0xbaeb,0xd6d3,0x25e5,0x9c7e,0xbff5, XPD -0xfe9a,0xceb4,0xc74e,0xec9a,0x3ff7, XPD -0x9225,0xdfef,0xb0e9,0x9da5,0xbff8, XPD -0x10b0,0xec17,0x87dc,0xacd7,0xbffa, XPD -0x6b8d,0x7515,0x1905,0xaa89,0x3ffc, XPD -0xf183,0x126b,0xf47d,0xac0a,0xbffa, XPD -0x7bf6,0x57d1,0xa013,0xa7e7,0xbffe, XPD -0xc7a9,0x7db0,0x67e3,0x93c4,0x3ffe, XPD -0x0000,0x0000,0x0000,0x8000,0x3fff, XPD -}; -#endif -#if MIEEE -static long S[27] = { -0xbff50000,0x9c7e25e5,0xd6d3baeb, -0x3ff70000,0xec9ac74e,0xceb4fe9a, -0xbff80000,0x9da5b0e9,0xdfef9225, -0xbffa0000,0xacd787dc,0xec1710b0, -0x3ffc0000,0xaa891905,0x75156b8d, -0xbffa0000,0xac0af47d,0x126bf183, -0xbffe0000,0xa7e7a013,0x57d17bf6, -0x3ffe0000,0x93c467e3,0x7db0c7a9, -0x3fff0000,0x80000000,0x00000000, -}; -#endif - -#if UNK -static long double SN[9] = { - 1.133374167243894382010E-3L, - 7.220837261893170325704E-3L, - 9.621911155035976733706E-3L, --4.219773343731191721664E-2L, --1.665386113944413519335E-1L, --4.200263503402112910504E-2L, - 6.558780715202536547116E-1L, - 5.772156649015328608727E-1L, --1.000000000000000000000E0L, -}; -#endif -#if IBMPC -static const unsigned SN[] = { -0x5dd1,0x02de,0xb9f7,0x948d,0x3ff5, XPD -0x989b,0xdd68,0xc5f1,0xec9c,0x3ff7, XPD -0x2ca1,0x18f0,0x386f,0x9da5,0x3ff8, XPD -0x783f,0x41dd,0x87d1,0xacd7,0xbffa, XPD -0x7a5b,0xd76d,0x1905,0xaa89,0xbffc, XPD -0x7f64,0x1234,0xf47d,0xac0a,0xbffa, XPD -0x5e26,0x57d1,0xa013,0xa7e7,0x3ffe, XPD -0xc7aa,0x7db0,0x67e3,0x93c4,0x3ffe, XPD -0x0000,0x0000,0x0000,0x8000,0xbfff, XPD -}; -#endif -#if MIEEE -static long SN[27] = { -0x3ff50000,0x948db9f7,0x02de5dd1, -0x3ff70000,0xec9cc5f1,0xdd68989b, -0x3ff80000,0x9da5386f,0x18f02ca1, -0xbffa0000,0xacd787d1,0x41dd783f, -0xbffc0000,0xaa891905,0xd76d7a5b, -0xbffa0000,0xac0af47d,0x12347f64, -0x3ffe0000,0xa7e7a013,0x57d15e26, -0x3ffe0000,0x93c467e3,0x7db0c7aa, -0xbfff0000,0x80000000,0x00000000, -}; -#endif - - -/* A[]: Stirling's formula expansion of log gamma - * B[], C[]: log gamma function between 2 and 3 - */ - - -/* log gamma(x) = ( x - 0.5 ) * log(x) - x + LS2PI + 1/x A(1/x^2) - * x >= 8 - * Peak relative error 1.51e-21 - * Relative spread of error peaks 5.67e-21 - */ -#if UNK -static long double A[7] = { - 4.885026142432270781165E-3L, --1.880801938119376907179E-3L, - 8.412723297322498080632E-4L, --5.952345851765688514613E-4L, - 7.936507795855070755671E-4L, --2.777777777750349603440E-3L, - 8.333333333333331447505E-2L, -}; -#endif -#if IBMPC -static const unsigned short A[] = { -0xd984,0xcc08,0x91c2,0xa012,0x3ff7, XPD -0x3d91,0x0304,0x3da1,0xf685,0xbff5, XPD -0x3bdc,0xaad1,0xd492,0xdc88,0x3ff4, XPD -0x8b20,0x9fce,0x844e,0x9c09,0xbff4, XPD -0xf8f2,0x30e5,0x0092,0xd00d,0x3ff4, XPD -0x4d88,0x03a8,0x60b6,0xb60b,0xbff6, XPD -0x9fcc,0xaaaa,0xaaaa,0xaaaa,0x3ffb, XPD -}; -#endif -#if MIEEE -static long A[21] = { -0x3ff70000,0xa01291c2,0xcc08d984, -0xbff50000,0xf6853da1,0x03043d91, -0x3ff40000,0xdc88d492,0xaad13bdc, -0xbff40000,0x9c09844e,0x9fce8b20, -0x3ff40000,0xd00d0092,0x30e5f8f2, -0xbff60000,0xb60b60b6,0x03a84d88, -0x3ffb0000,0xaaaaaaaa,0xaaaa9fcc, -}; -#endif - -/* log gamma(x+2) = x B(x)/C(x) - * 0 <= x <= 1 - * Peak relative error 7.16e-22 - * Relative spread of error peaks 4.78e-20 - */ -#if UNK -static long double B[7] = { --2.163690827643812857640E3L, --8.723871522843511459790E4L, --1.104326814691464261197E6L, --6.111225012005214299996E6L, --1.625568062543700591014E7L, --2.003937418103815175475E7L, --8.875666783650703802159E6L, -}; -static long double C[7] = { -/* 1.000000000000000000000E0L,*/ --5.139481484435370143617E2L, --3.403570840534304670537E4L, --6.227441164066219501697E5L, --4.814940379411882186630E6L, --1.785433287045078156959E7L, --3.138646407656182662088E7L, --2.099336717757895876142E7L, -}; -#endif -#if IBMPC -static const unsigned short B[] = { -0x9557,0x4995,0x0da1,0x873b,0xc00a, XPD -0xfe44,0x9af8,0x5b8c,0xaa63,0xc00f, XPD -0x5aa8,0x7cf5,0x3684,0x86ce,0xc013, XPD -0x259a,0x258c,0xf206,0xba7f,0xc015, XPD -0xbe18,0x1ca3,0xc0a0,0xf80a,0xc016, XPD -0x168f,0x2c42,0x6717,0x98e3,0xc017, XPD -0x2051,0x9d55,0x92c8,0x876e,0xc016, XPD -}; -static const unsigned short C[] = { -/*0x0000,0x0000,0x0000,0x8000,0x3fff, XPD*/ -0xaa77,0xcf2f,0xae76,0x807c,0xc008, XPD -0xb280,0x0d74,0xb55a,0x84f3,0xc00e, XPD -0xa505,0xcd30,0x81dc,0x9809,0xc012, XPD -0x3369,0x4246,0xb8c2,0x92f0,0xc015, XPD -0x63cf,0x6aee,0xbe6f,0x8837,0xc017, XPD -0x26bb,0xccc7,0xb009,0xef75,0xc017, XPD -0x462b,0xbae8,0xab96,0xa02a,0xc017, XPD -}; -#endif -#if MIEEE -static long B[21] = { -0xc00a0000,0x873b0da1,0x49959557, -0xc00f0000,0xaa635b8c,0x9af8fe44, -0xc0130000,0x86ce3684,0x7cf55aa8, -0xc0150000,0xba7ff206,0x258c259a, -0xc0160000,0xf80ac0a0,0x1ca3be18, -0xc0170000,0x98e36717,0x2c42168f, -0xc0160000,0x876e92c8,0x9d552051, -}; -static long C[21] = { -/*0x3fff0000,0x80000000,0x00000000,*/ -0xc0080000,0x807cae76,0xcf2faa77, -0xc00e0000,0x84f3b55a,0x0d74b280, -0xc0120000,0x980981dc,0xcd30a505, -0xc0150000,0x92f0b8c2,0x42463369, -0xc0170000,0x8837be6f,0x6aee63cf, -0xc0170000,0xef75b009,0xccc726bb, -0xc0170000,0xa02aab96,0xbae8462b, -}; -#endif - -/* log( sqrt( 2*pi ) ) */ -static const long double LS2PI = 0.91893853320467274178L; -#define MAXLGM 1.04848146839019521116e+4928L - - -/* Logarithm of gamma function */ -/* Reentrant version */ - -long double __lgammal_r(long double x, int* sgngaml) -{ -long double p, q, w, z, f, nx; -int i; - -*sgngaml = 1; -#ifdef NANS -if( isnanl(x) ) - return(NANL); -#endif -#ifdef INFINITIES -if( !isfinitel(x) ) - return(INFINITYL); -#endif -if( x < -34.0L ) - { - q = -x; - w = __lgammal_r(q, sgngaml); /* note this modifies sgngam! */ - p = floorl(q); - if( p == q ) - { -lgsing: - _SET_ERRNO(EDOM); - mtherr( "lgammal", SING ); -#ifdef INFINITIES - return (INFINITYL); -#else - return (MAXNUML); -#endif - } - i = p; - if( (i & 1) == 0 ) - *sgngaml = -1; - else - *sgngaml = 1; - z = q - p; - if( z > 0.5L ) - { - p += 1.0L; - z = p - q; - } - z = q * sinl( PIL * z ); - if( z == 0.0L ) - goto lgsing; -/* z = LOGPI - logl( z ) - w; */ - z = logl( PIL/z ) - w; - return( z ); - } - -if( x < 13.0L ) - { - z = 1.0L; - nx = floorl( x + 0.5L ); - f = x - nx; - while( x >= 3.0L ) - { - nx -= 1.0L; - x = nx + f; - z *= x; - } - while( x < 2.0L ) - { - if( fabsl(x) <= 0.03125 ) - goto lsmall; - z /= nx + f; - nx += 1.0L; - x = nx + f; - } - if( z < 0.0L ) - { - *sgngaml = -1; - z = -z; - } - else - *sgngaml = 1; - if( x == 2.0L ) - return( logl(z) ); - x = (nx - 2.0L) + f; - p = x * polevll( x, B, 6 ) / p1evll( x, C, 7); - return( logl(z) + p ); - } - -if( x > MAXLGM ) - { - _SET_ERRNO(ERANGE); - mtherr( "lgammal", OVERFLOW ); -#ifdef INFINITIES - return( *sgngaml * INFINITYL ); -#else - return( *sgngaml * MAXNUML ); -#endif - } - -q = ( x - 0.5L ) * logl(x) - x + LS2PI; -if( x > 1.0e10L ) - return(q); -p = 1.0L/(x*x); -q += polevll( p, A, 6 ) / x; -return( q ); - - -lsmall: -if( x == 0.0L ) - goto lgsing; -if( x < 0.0L ) - { - x = -x; - q = z / (x * polevll( x, SN, 8 )); - } -else - q = z / (x * polevll( x, S, 8 )); -if( q < 0.0L ) - { - *sgngaml = -1; - q = -q; - } -else - *sgngaml = 1; -q = logl( q ); -return(q); -} - -/* This is the C99 version */ - -long double lgammal(long double x) -{ - int local_sgngaml=0; - return (__lgammal_r(x, &local_sgngaml)); -} diff --git a/winsup/mingw/mingwex/math/llrint.c b/winsup/mingw/mingwex/math/llrint.c deleted file mode 100644 index b6d9f3273..000000000 --- a/winsup/mingw/mingwex/math/llrint.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <math.h> - -long long llrint (double x) -{ - long long retval; - __asm__ __volatile__ \ - ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - diff --git a/winsup/mingw/mingwex/math/llrintf.c b/winsup/mingw/mingwex/math/llrintf.c deleted file mode 100644 index 7fa67dbdf..000000000 --- a/winsup/mingw/mingwex/math/llrintf.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <math.h> - -long long llrintf (float x) -{ - long long retval; - __asm__ __volatile__ \ - ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} diff --git a/winsup/mingw/mingwex/math/llrintl.c b/winsup/mingw/mingwex/math/llrintl.c deleted file mode 100644 index 948d96265..000000000 --- a/winsup/mingw/mingwex/math/llrintl.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <math.h> - -long long llrintl (long double x) -{ - long long retval; - __asm__ __volatile__ \ - ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - diff --git a/winsup/mingw/mingwex/math/llround.c b/winsup/mingw/mingwex/math/llround.c deleted file mode 100644 index 45b754c75..000000000 --- a/winsup/mingw/mingwex/math/llround.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <limits.h> -#include <errno.h> - -long long -llround (double x) -{ - /* Add +/- 0.5, then round towards zero. */ - double tmp = trunc (x + (x >= 0.0 ? 0.5 : -0.5)); - if (!isfinite (tmp) - || tmp > (double)LONG_LONG_MAX - || tmp < (double)LONG_LONG_MIN) - { - errno = ERANGE; - /* Undefined behaviour, so we could return anything. */ - /* return tmp > 0.0 ? LONG_LONG_MAX : LONG_LONG_MIN; */ - } - return (long long)tmp; -} diff --git a/winsup/mingw/mingwex/math/llroundf.c b/winsup/mingw/mingwex/math/llroundf.c deleted file mode 100644 index 6a6e9b51e..000000000 --- a/winsup/mingw/mingwex/math/llroundf.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <limits.h> -#include <errno.h> - -long long -llroundf (float x) -{ - /* Add +/- 0.5, then round towards zero. */ - float tmp = truncf (x + (x >= 0.0F ? 0.5F : -0.5F)); - if (!isfinite (tmp) - || tmp > (float)LONG_LONG_MAX - || tmp < (float)LONG_LONG_MIN) - { - errno = ERANGE; - /* Undefined behaviour, so we could return anything. */ - /* return tmp > 0.0F ? LONG_LONG_MAX : LONG_LONG_MIN; */ - } - return (long long)tmp; -} diff --git a/winsup/mingw/mingwex/math/llroundl.c b/winsup/mingw/mingwex/math/llroundl.c deleted file mode 100644 index 9d2217411..000000000 --- a/winsup/mingw/mingwex/math/llroundl.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <limits.h> -#include <errno.h> - -long long -llroundl (long double x) -{ - /* Add +/- 0.5, then round towards zero. */ - long double tmp = truncl (x + (x >= 0.0L ? 0.5L : -0.5L)); - if (!isfinite (tmp) - || tmp > (long double)LONG_LONG_MAX - || tmp < (long double)LONG_LONG_MIN) - { - errno = ERANGE; - /* Undefined behaviour, so we could return anything. */ - /* return tmp > 0.0L ? LONG_LONG_MAX : LONG_LONG_MIN; */ - } - return (long long)tmp; -} diff --git a/winsup/mingw/mingwex/math/log10f.S b/winsup/mingw/mingwex/math/log10f.S deleted file mode 100644 index 90fc9af92..000000000 --- a/winsup/mingw/mingwex/math/log10f.S +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for float type by Ulrich Drepper <drepper@cygnus.com>. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - */ - - .file "log10f.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _log10f - .def _log10f; .scl 2; .type 32; .endef -_log10f: - fldlg2 // log10(2) - flds 4(%esp) // x : log10(2) - fxam - fnstsw - fld %st // x : x : log10(2) - sahf - jc 3f // in case x is NaN or ±Inf -4: fsubl one // x-1 : x : log10(2) - fld %st // x-1 : x-1 : x : log10(2) - fabs // |x-1| : x-1 : x : log10(2) - fcompl limit // x-1 : x : log10(2) - fnstsw // x-1 : x : log10(2) - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : log10(2) - fyl2xp1 // log10(x) - ret - -2: fstp %st(0) // x : log10(2) - fyl2x // log10(x) - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log10l.S b/winsup/mingw/mingwex/math/log10l.S deleted file mode 100644 index 8c046a09d..000000000 --- a/winsup/mingw/mingwex/math/log10l.S +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "log10l.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _log10l - .def _log10l; .scl 2; .type 32; .endef -_log10l: - fldlg2 // log10(2) - fldt 4(%esp) // x : log10(2) - fxam - fnstsw - fld %st // x : x : log10(2) - sahf - jc 3f // in case x is NaN or ±Inf -4: fsubl one // x-1 : x : log10(2) - fld %st // x-1 : x-1 : x : log10(2) - fabs // |x-1| : x-1 : x : log10(2) - fcompl limit // x-1 : x : log10(2) - fnstsw // x-1 : x : log10(2) - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : log10(2) - fyl2xp1 // log10(x) - ret - -2: fstp %st(0) // x : log10(2) - fyl2x // log10(x) - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log1p.S b/winsup/mingw/mingwex/math/log1p.S deleted file mode 100644 index a38816cb3..000000000 --- a/winsup/mingw/mingwex/math/log1p.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "log1p.S" - .text - .align 4 - /* The fyl2xp1 can only be used for values in - -1 + sqrt(2) / 2 <= x <= 1 - sqrt(2) / 2 - 0.29 is a safe value. - */ -limit: .double 0.29 -one: .double 1.0 -/* - * Use the fyl2xp1 function when the argument is in the range -0.29 to 0.29, - * otherwise fyl2x with the needed extra computation. - */ -.globl _log1p; - .def _log1p; .scl 2; .type 32; .endef -_log1p: - fldln2 - fldl 4(%esp) - fxam - fnstsw - fld %st - sahf - jc 3f // in case x is NaN or ±Inf - -4: fabs - fcompl limit - fnstsw - sahf - jc 2f - faddl one - fyl2x - ret - -2: fyl2xp1 - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log1pf.S b/winsup/mingw/mingwex/math/log1pf.S deleted file mode 100644 index 1d9949f2a..000000000 --- a/winsup/mingw/mingwex/math/log1pf.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "log1pf.S" - .text - .align 4 - /* The fyl2xp1 can only be used for values in - -1 + sqrt(2) / 2 <= x <= 1 - sqrt(2) / 2 - 0.29 is a safe value. - */ -limit: .float 0.29 -one: .float 1.0 -/* - * Use the fyl2xp1 function when the argument is in the range -0.29 to 0.29, - * otherwise fyl2x with the needed extra computation. - */ -.globl _log1pf; - .def _log1pf; .scl 2; .type 32; .endef -_log1pf: - fldln2 - flds 4(%esp) - fxam - fnstsw - fld %st - sahf - jc 3f // in case x is NaN or ±Inf - -4: fabs - fcomps limit - fnstsw - sahf - jc 2f - fadds one - fyl2x - ret - -2: fyl2xp1 - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log1pl.S b/winsup/mingw/mingwex/math/log1pl.S deleted file mode 100644 index 5ce4fbaaa..000000000 --- a/winsup/mingw/mingwex/math/log1pl.S +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. -* Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "log1pl.S" - .text - .align 4 - /* The fyl2xp1 can only be used for values in - -1 + sqrt(2) / 2 <= x <= 1 - sqrt(2) / 2 - 0.29 is a safe value. - */ -limit: .tfloat 0.29 - /* Please note: we use a double value here. Since 1.0 has - an exact representation this does not effect the accuracy - but it helps to optimize the code. */ -one: .double 1.0 - -/* - * Use the fyl2xp1 function when the argument is in the range -0.29 to 0.29, - * otherwise fyl2x with the needed extra computation. - */ -.globl _log1pl; - .def _log1pl; .scl 2; .type 32; .endef -_log1pl: - fldln2 - fldt 4(%esp) - fxam - fnstsw - fld %st - sahf - jc 3f // in case x is NaN or ±Inf -4: - fabs - fldt limit - fcompp - fnstsw - sahf - jnc 2f - faddl one - fyl2x - ret - -2: fyl2xp1 - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log2.S b/winsup/mingw/mingwex/math/log2.S deleted file mode 100644 index 08f008310..000000000 --- a/winsup/mingw/mingwex/math/log2.S +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for use as log2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "log2.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _log2 - .def _log2; .scl 2; .type 32; .endef -_log2: - fldl one - fldl 4(%esp) // x : 1 - fxam - fnstsw - fld %st // x : x : 1 - sahf - jc 3f // in case x is NaN or ±Inf -4: fsub %st(2), %st // x-1 : x : 1 - fld %st // x-1 : x-1 : x : 1 - fabs // |x-1| : x-1 : x : 1 - fcompl limit // x-1 : x : 1 - fnstsw // x-1 : x : 1 - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : 1 - fyl2xp1 // log(x) - ret - -2: fstp %st(0) // x : 1 - fyl2x // log(x) - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log2f.S b/winsup/mingw/mingwex/math/log2f.S deleted file mode 100644 index 211abba3d..000000000 --- a/winsup/mingw/mingwex/math/log2f.S +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for use as log2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "log2f.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _log2f - .def _log2f; .scl 2; .type 32; .endef -_log2f: - fldl one - flds 4(%esp) // x : 1 - fxam - fnstsw - fld %st // x : x : 1 - sahf - jc 3f // in case x is NaN or ±Inf -4: fsub %st(2), %st // x-1 : x : 1 - fld %st // x-1 : x-1 : x : 1 - fabs // |x-1| : x-1 : x : 1 - fcompl limit // x-1 : x : 1 - fnstsw // x-1 : x : 1 - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : 1 - fyl2xp1 // log(x) - ret - -2: fstp %st(0) // x : 1 - fyl2x // log(x) - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/log2l.S b/winsup/mingw/mingwex/math/log2l.S deleted file mode 100644 index 52503fc52..000000000 --- a/winsup/mingw/mingwex/math/log2l.S +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for use as log2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - */ - - .file "log2l.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _log2l - .def _log2l; .scl 2; .type 32; .endef -_log2l: - fldl one - fldt 4(%esp) // x : 1 - fxam - fnstsw - fld %st // x : x : 1 - sahf - jc 3f // in case x is NaN or ±Inf -4: fsub %st(2), %st // x-1 : x : 1 - fld %st // x-1 : x-1 : x : 1 - fabs // |x-1| : x-1 : x : 1 - fcompl limit // x-1 : x : 1 - fnstsw // x-1 : x : 1 - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : 1 - fyl2xp1 // log(x) - ret - -2: fstp %st(0) // x : 1 - fyl2x // log(x) - ret - -3: jp 4b // in case x is ±Inf - fstp %st(1) - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/logb.c b/winsup/mingw/mingwex/math/logb.c deleted file mode 100644 index cdff13647..000000000 --- a/winsup/mingw/mingwex/math/logb.c +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Public domain. - */ - -#include <math.h> - -double -logb (double x) -{ - double res; - asm ("fxtract\n\t" - "fstp %%st" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/logbf.c b/winsup/mingw/mingwex/math/logbf.c deleted file mode 100644 index b5f57d2e1..000000000 --- a/winsup/mingw/mingwex/math/logbf.c +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Public domain. - */ - -#include <math.h> - -float -logbf (float x) -{ - float res; - asm ("fxtract\n\t" - "fstp %%st" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/logbl.c b/winsup/mingw/mingwex/math/logbl.c deleted file mode 100644 index f1448eb99..000000000 --- a/winsup/mingw/mingwex/math/logbl.c +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Public domain. - */ - -#include <math.h> - -long double -logbl (long double x) -{ - long double res; - - asm ("fxtract\n\t" - "fstp %%st" : "=t" (res) : "0" (x)); - return res; -} diff --git a/winsup/mingw/mingwex/math/logf.S b/winsup/mingw/mingwex/math/logf.S deleted file mode 100644 index 32119ecde..000000000 --- a/winsup/mingw/mingwex/math/logf.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for float by Ulrich Drepper <drepper@cygnus.com>. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - */ - - .file "logf.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _logf - .def _logf; .scl 2; .type 32; .endef -_logf: - fldln2 // log(2) - flds 4(%esp) // x : log(2) - fld %st // x : x : log(2) - fsubl one // x-1 : x : log(2) - fld %st // x-1 : x-1 : x : log(2) - fabs // |x-1| : x-1 : x : log(2) - fcompl limit // x-1 : x : log(2) - fnstsw // x-1 : x : log(2) - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : log(2) - fyl2xp1 // log(x) - ret - -2: fstp %st(0) // x : log(2) - fyl2x // log(x) - ret diff --git a/winsup/mingw/mingwex/math/logl.S b/winsup/mingw/mingwex/math/logl.S deleted file mode 100644 index 8dc144915..000000000 --- a/winsup/mingw/mingwex/math/logl.S +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - .file "logl.S" - .text - .align 4 -one: .double 1.0 - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ -limit: .double 0.29 - - .text - .align 4 -.globl _logl - .def _logl; .scl 2; .type 32; .endef -_logl: - fldln2 // log(2) - fldt 4(%esp) // x : log(2) - fld %st // x : x : log(2) - fsubl one // x-1 : x : log(2) - fld %st // x-1 : x-1 : x : log(2) - fabs // |x-1| : x-1 : x : log(2) - fcompl limit // x-1 : x : log(2) - fnstsw // x-1 : x : log(2) - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : log(2) - fyl2xp1 // log(x) - ret - -2: fstp %st(0) // x : log(2) - fyl2x // log(x) - ret diff --git a/winsup/mingw/mingwex/math/lrint.c b/winsup/mingw/mingwex/math/lrint.c deleted file mode 100644 index 7dfa233a8..000000000 --- a/winsup/mingw/mingwex/math/lrint.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <math.h> - -long lrint (double x) -{ - long retval; - __asm__ __volatile__ \ - ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} diff --git a/winsup/mingw/mingwex/math/lrintf.c b/winsup/mingw/mingwex/math/lrintf.c deleted file mode 100644 index 24b7a7d07..000000000 --- a/winsup/mingw/mingwex/math/lrintf.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <math.h> - -long lrintf (float x) -{ - long retval; - __asm__ __volatile__ \ - ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} diff --git a/winsup/mingw/mingwex/math/lrintl.c b/winsup/mingw/mingwex/math/lrintl.c deleted file mode 100644 index f55599332..000000000 --- a/winsup/mingw/mingwex/math/lrintl.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <math.h> - -long lrintl (long double x) -{ - long retval; - __asm__ __volatile__ \ - ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - diff --git a/winsup/mingw/mingwex/math/lround.c b/winsup/mingw/mingwex/math/lround.c deleted file mode 100644 index 7ee50df90..000000000 --- a/winsup/mingw/mingwex/math/lround.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <limits.h> -#include <errno.h> - -long -lround (double x) -{ - /* Add +/- 0.5 then then round towards zero. */ - double tmp = trunc (x + (x >= 0.0 ? 0.5 : -0.5)); - if (!isfinite (tmp) - || tmp > (double)LONG_MAX - || tmp < (double)LONG_MIN) - { - errno = ERANGE; - /* Undefined behaviour, so we could return anything. */ - /* return tmp > 0.0 ? LONG_MAX : LONG_MIN; */ - } - return (long)tmp; -} diff --git a/winsup/mingw/mingwex/math/lroundf.c b/winsup/mingw/mingwex/math/lroundf.c deleted file mode 100644 index 82df69842..000000000 --- a/winsup/mingw/mingwex/math/lroundf.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <limits.h> -#include <errno.h> - -long -lroundf (float x) -{ - /* Add +/- 0.5, then round towards zero. */ - float tmp = truncf (x + (x >= 0.0F ? 0.5F : -0.5F)); - if (!isfinite (tmp) - || tmp > (float)LONG_MAX - || tmp < (float)LONG_MIN) - { - errno = ERANGE; - /* Undefined behaviour, so we could return anything. */ - /* return tmp > 0.0F ? LONG_MAX : LONG_MIN; */ - } - return (long)tmp; -} diff --git a/winsup/mingw/mingwex/math/lroundl.c b/winsup/mingw/mingwex/math/lroundl.c deleted file mode 100644 index 7a6348124..000000000 --- a/winsup/mingw/mingwex/math/lroundl.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <math.h> -#include <limits.h> -#include <errno.h> - -long -lroundl (long double x) -{ - /* Add +/- 0.5, then round towards zero. */ - long double tmp = truncl (x + (x >= 0.0L ? 0.5L : -0.5L)); - if (!isfinite (tmp) - || tmp > (long double)LONG_MAX - || tmp < (long double)LONG_MIN) - { - errno = ERANGE; - /* Undefined behaviour, so we could return anything. */ - /* return tmp > 0.0L ? LONG_MAX : LONG_MIN; */ - } - return (long)tmp; -} diff --git a/winsup/mingw/mingwex/math/modff.c b/winsup/mingw/mingwex/math/modff.c deleted file mode 100644 index 072faace0..000000000 --- a/winsup/mingw/mingwex/math/modff.c +++ /dev/null @@ -1,22 +0,0 @@ -#include <fenv.h> -#include <math.h> -#include <errno.h> -#define FE_ROUNDING_MASK \ - (FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO) - -float -modff (float value, float* iptr) -{ - float int_part; - unsigned short saved_cw; - unsigned short tmp_cw; - /* truncate */ - asm ("fnstcw %0;" : "=m" (saved_cw)); /* save control word */ - tmp_cw = (saved_cw & ~FE_ROUNDING_MASK) | FE_TOWARDZERO; - asm ("fldcw %0;" : : "m" (tmp_cw)); - asm ("frndint;" : "=t" (int_part) : "0" (value)); /* round */ - asm ("fldcw %0;" : : "m" (saved_cw)); /* restore saved cw */ - if (iptr) - *iptr = int_part; - return (isinf (value) ? 0.0F : value - int_part); -} diff --git a/winsup/mingw/mingwex/math/modfl.c b/winsup/mingw/mingwex/math/modfl.c deleted file mode 100644 index c7ea2cbce..000000000 --- a/winsup/mingw/mingwex/math/modfl.c +++ /dev/null @@ -1,22 +0,0 @@ -#include <fenv.h> -#include <math.h> -#include <errno.h> -#define FE_ROUNDING_MASK \ - (FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO) - -long double -modfl (long double value, long double* iptr) -{ - long double int_part; - unsigned short saved_cw; - unsigned short tmp_cw; - /* truncate */ - asm ("fnstcw %0;" : "=m" (saved_cw)); /* save control word */ - tmp_cw = (saved_cw & ~FE_ROUNDING_MASK) | FE_TOWARDZERO; - asm ("fldcw %0;" : : "m" (tmp_cw)); - asm ("frndint;" : "=t" (int_part) : "0" (value)); /* round */ - asm ("fldcw %0;" : : "m" (saved_cw)); /* restore saved cw */ - if (iptr) - *iptr = int_part; - return (isinf (value) ? 0.0L : value - int_part); -} diff --git a/winsup/mingw/mingwex/math/nearbyint.S b/winsup/mingw/mingwex/math/nearbyint.S deleted file mode 100644 index 9730aeebf..000000000 --- a/winsup/mingw/mingwex/math/nearbyint.S +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "nearbyint.S" - .text - .align 4 -.globl _nearbyint - .def _nearbyint; .scl 2; .type 32; .endef -_nearbyint: - fldl 4(%esp) - pushl %eax - pushl %ecx - fnstcw (%esp) - movl (%esp), %eax - orl $0x20, %eax - movl %eax, 4(%esp) - fldcw 4(%esp) - frndint - fclex - fldcw (%esp) - popl %ecx - popl %eax - ret diff --git a/winsup/mingw/mingwex/math/nearbyintf.S b/winsup/mingw/mingwex/math/nearbyintf.S deleted file mode 100644 index 1c5734084..000000000 --- a/winsup/mingw/mingwex/math/nearbyintf.S +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "nearbyintf.S" - .text - .align 4 -.globl _nearbyintf - .def _nearbyintf; .scl 2; .type 32; .endef -_nearbyintf: - flds 4(%esp) - pushl %eax - pushl %ecx - fnstcw (%esp) - movl (%esp), %eax - orl $0x20, %eax - movl %eax, 4(%esp) - fldcw 4(%esp) - frndint - fclex - fldcw (%esp) - popl %ecx - popl %eax - ret diff --git a/winsup/mingw/mingwex/math/nearbyintl.S b/winsup/mingw/mingwex/math/nearbyintl.S deleted file mode 100644 index 7dbc2a8b7..000000000 --- a/winsup/mingw/mingwex/math/nearbyintl.S +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adaptedfor use as nearbyint by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "nearbyintl.S" - .text - .align 4 -.globl _nearbyintl - .def _nearbyintl; .scl 2; .type 32; .endef -_nearbyintl: - fldt 4(%esp) - pushl %eax - pushl %ecx - fnstcw (%esp) - movl (%esp), %eax - orl $0x20, %eax - movl %eax, 4(%esp) - fldcw 4(%esp) - frndint - fclex - fldcw (%esp) - popl %ecx - popl %eax - ret diff --git a/winsup/mingw/mingwex/math/nextafterf.c b/winsup/mingw/mingwex/math/nextafterf.c deleted file mode 100644 index 47309a027..000000000 --- a/winsup/mingw/mingwex/math/nextafterf.c +++ /dev/null @@ -1,27 +0,0 @@ -#include <math.h> - -float -nextafterf (float x, float y) -{ - union - { - float f; - unsigned int i; - } u; - if (isnan (y) || isnan (x)) - return x + y; - if (x == y ) - /* nextafter (0.0, -O.0) should return -0.0. */ - return y; - u.f = x; - if (x == 0.0F) - { - u.i = 1; - return y > 0.0F ? u.f : -u.f; - } - if (((x > 0.0F) ^ (y > x)) == 0) - u.i++; - else - u.i--; - return u.f; -} diff --git a/winsup/mingw/mingwex/math/nextafterl.c b/winsup/mingw/mingwex/math/nextafterl.c deleted file mode 100755 index eaf6a3f03..000000000 --- a/winsup/mingw/mingwex/math/nextafterl.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - nextafterl.c - Contributed by Danny Smith <dannysmith@users.sourceforge.net> - No copyright claimed, absolutely no warranties. - - 2005-05-09 -*/ - -#include <math.h> - -long double -nextafterl (long double x, long double y) -{ - union { - long double ld; - struct { - unsigned long long mantissa; - unsigned short expn; - unsigned short pad; - } __attribute__ ((packed)) parts; - } u; - - /* The normal bit is explicit for long doubles, unlike - float and double. */ - static const unsigned long long normal_bit = 0x8000000000000000ull; - - if (isnan (y) || isnan (x)) - return x + y; - - if (x == y ) - /* nextafter (0.0, -O.0) should return -0.0. */ - return y; - - u.ld = x; - if (x == 0.0L) - { - u.parts.mantissa = 1ull; - return y > 0.0L ? u.ld : -u.ld; - } - - if (((x > 0.0L) ^ (y > x)) == 0) - { - u.parts.mantissa++; - if ((u.parts.mantissa & ~normal_bit) == 0ull) - u.parts.expn++; - } - else - { - if ((u.parts.mantissa & ~normal_bit) == 0ull) - u.parts.expn--; - u.parts.mantissa--; - } - - /* If we have updated the expn of a normal number, - or moved from denormal to normal, [re]set the normal bit. */ - - if (u.parts.expn & 0x7fff) - u.parts.mantissa |= normal_bit; - - return u.ld; -} - -/* nexttowardl is the same function with a different name. */ -long double -nexttowardl (long double, long double) __attribute__ ((alias("nextafterl"))); diff --git a/winsup/mingw/mingwex/math/nexttoward.c b/winsup/mingw/mingwex/math/nexttoward.c deleted file mode 100755 index 6a4c820f2..000000000 --- a/winsup/mingw/mingwex/math/nexttoward.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - nexttoward.c - Contributed by Danny Smith <dannysmith@users.sourceforge.net> - No copyright claimed, absolutely no warranties. - - 2005-05-10 -*/ - -#include <math.h> - -double -nexttoward (double x, long double y) -{ - union - { - double d; - unsigned long long ll; - } u; - - long double xx = x; - - if (isnan (y) || isnan (x)) - return x + y; - - if (xx == y) - /* nextafter (0.0, -O.0) should return -0.0. */ - return y; - u.d = x; - if (x == 0.0) - { - u.ll = 1; - return y > 0.0L ? u.d : -u.d; - } - - /* Non-extended encodings are lexicographically ordered, - with implicit "normal" bit. */ - if (((x > 0.0) ^ (y > xx)) == 0) - u.ll++; - else - u.ll--; - return u.d; -} diff --git a/winsup/mingw/mingwex/math/nexttowardf.c b/winsup/mingw/mingwex/math/nexttowardf.c deleted file mode 100755 index 80ac1a357..000000000 --- a/winsup/mingw/mingwex/math/nexttowardf.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - nexttowardf.c - Contributed by Danny Smith <dannysmith@users.sourceforge.net> - No copyright claimed, absolutely no warranties. - - 2005-05-10 -*/ - -#include <math.h> - -float -nexttowardf (float x, long double y) -{ - union - { - float f; - unsigned int i; - } u; - - long double xx = x; - - if (isnan (y) || isnan (x)) - return x + y; - if (xx == y ) - /* nextafter (0.0, -O.0) should return -0.0. */ - return y; - u.f = x; - if (x == 0.0F) - { - u.i = 1; - return y > 0.0L ? u.f : -u.f; - } - if (((x > 0.0F) ^ (y > xx)) == 0) - u.i++; - else - u.i--; - return u.f; -} diff --git a/winsup/mingw/mingwex/math/pow.c b/winsup/mingw/mingwex/math/pow.c deleted file mode 100644 index 1fa548e5e..000000000 --- a/winsup/mingw/mingwex/math/pow.c +++ /dev/null @@ -1,781 +0,0 @@ -/* pow.c - * - * Power function - * - * - * - * SYNOPSIS: - * - * double x, y, z, pow(); - * - * z = pow( x, y ); - * - * - * - * DESCRIPTION: - * - * Computes x raised to the yth power. Analytically, - * - * x**y = exp( y log(x) ). - * - * Following Cody and Waite, this program uses a lookup table - * of 2**-i/16 and pseudo extended precision arithmetic to - * obtain an extra three bits of accuracy in both the logarithm - * and the exponential. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE -26,26 30000 4.2e-16 7.7e-17 - * DEC -26,26 60000 4.8e-17 9.1e-18 - * 1/26 < x < 26, with log(x) uniformly distributed. - * -26 < y < 26, y uniformly distributed. - * IEEE 0,8700 30000 1.5e-14 2.1e-15 - * 0.99 < x < 1.01, 0 < y < 8700, uniformly distributed. - * - * - * ERROR MESSAGES: - * - * message condition value returned - * pow overflow x**y > MAXNUM INFINITY - * pow underflow x**y < 1/MAXNUM 0.0 - * pow domain x<0 and y noninteger 0.0 - * - */ - -/* -Cephes Math Library Release 2.8: June, 2000 -Copyright 1984, 1995, 2000 by Stephen L. Moshier -*/ - -/* -Modified for mingw -2002-09-27 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -static char fname[] = {"pow"}; -#endif - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - -#define SQRTH 0.70710678118654752440 - -#ifdef UNK -static double P[] = { - 4.97778295871696322025E-1, - 3.73336776063286838734E0, - 7.69994162726912503298E0, - 4.66651806774358464979E0 -}; -static double Q[] = { -/* 1.00000000000000000000E0, */ - 9.33340916416696166113E0, - 2.79999886606328401649E1, - 3.35994905342304405431E1, - 1.39995542032307539578E1 -}; -/* 2^(-i/16), IEEE precision */ -static double A[] = { - 1.00000000000000000000E0, - 9.57603280698573700036E-1, - 9.17004043204671215328E-1, - 8.78126080186649726755E-1, - 8.40896415253714502036E-1, - 8.05245165974627141736E-1, - 7.71105412703970372057E-1, - 7.38413072969749673113E-1, - 7.07106781186547572737E-1, - 6.77127773468446325644E-1, - 6.48419777325504820276E-1, - 6.20928906036742001007E-1, - 5.94603557501360513449E-1, - 5.69394317378345782288E-1, - 5.45253866332628844837E-1, - 5.22136891213706877402E-1, - 5.00000000000000000000E-1 -}; -static double B[] = { - 0.00000000000000000000E0, - 1.64155361212281360176E-17, - 4.09950501029074826006E-17, - 3.97491740484881042808E-17, --4.83364665672645672553E-17, - 1.26912513974441574796E-17, - 1.99100761573282305549E-17, --1.52339103990623557348E-17, - 0.00000000000000000000E0 -}; -static double R[] = { - 1.49664108433729301083E-5, - 1.54010762792771901396E-4, - 1.33335476964097721140E-3, - 9.61812908476554225149E-3, - 5.55041086645832347466E-2, - 2.40226506959099779976E-1, - 6.93147180559945308821E-1 -}; - -#define douba(k) A[k] -#define doubb(k) B[k] -#define MEXP 16383.0 -#ifdef DENORMAL -#define MNEXP -17183.0 -#else -#define MNEXP -16383.0 -#endif -#endif - -#ifdef DEC -static unsigned short P[] = { -0037776,0156313,0175332,0163602, -0040556,0167577,0052366,0174245, -0040766,0062753,0175707,0055564, -0040625,0052035,0131344,0155636, -}; -static unsigned short Q[] = { -/*0040200,0000000,0000000,0000000,*/ -0041025,0052644,0154404,0105155, -0041337,0177772,0007016,0047646, -0041406,0062740,0154273,0020020, -0041137,0177054,0106127,0044555, -}; -static unsigned short A[] = { -0040200,0000000,0000000,0000000, -0040165,0022575,0012444,0103314, -0040152,0140306,0163735,0022071, -0040140,0146336,0166052,0112341, -0040127,0042374,0145326,0116553, -0040116,0022214,0012437,0102201, -0040105,0063452,0010525,0003333, -0040075,0004243,0117530,0006067, -0040065,0002363,0031771,0157145, -0040055,0054076,0165102,0120513, -0040045,0177326,0124661,0050471, -0040036,0172462,0060221,0120422, -0040030,0033760,0050615,0134251, -0040021,0141723,0071653,0010703, -0040013,0112701,0161752,0105727, -0040005,0125303,0063714,0044173, -0040000,0000000,0000000,0000000 -}; -static unsigned short B[] = { -0000000,0000000,0000000,0000000, -0021473,0040265,0153315,0140671, -0121074,0062627,0042146,0176454, -0121413,0003524,0136332,0066212, -0121767,0046404,0166231,0012553, -0121257,0015024,0002357,0043574, -0021736,0106532,0043060,0056206, -0121310,0020334,0165705,0035326, -0000000,0000000,0000000,0000000 -}; - -static unsigned short R[] = { -0034173,0014076,0137624,0115771, -0035041,0076763,0003744,0111311, -0035656,0141766,0041127,0074351, -0036435,0112533,0073611,0116664, -0037143,0054106,0134040,0152223, -0037565,0176757,0176026,0025551, -0040061,0071027,0173721,0147572 -}; - -/* -static double R[] = { -0.14928852680595608186e-4, -0.15400290440989764601e-3, -0.13333541313585784703e-2, -0.96181290595172416964e-2, -0.55504108664085595326e-1, -0.24022650695909537056e0, -0.69314718055994529629e0 -}; -*/ -#define douba(k) (*(double *)&A[(k)<<2]) -#define doubb(k) (*(double *)&B[(k)<<2]) -#define MEXP 2031.0 -#define MNEXP -2031.0 -#endif - -#ifdef IBMPC -static const unsigned short P[] = { -0x5cf0,0x7f5b,0xdb99,0x3fdf, -0xdf15,0xea9e,0xddef,0x400d, -0xeb6f,0x7f78,0xccbd,0x401e, -0x9b74,0xb65c,0xaa83,0x4012, -}; -static const unsigned short Q[] = { -/*0x0000,0x0000,0x0000,0x3ff0,*/ -0x914e,0x9b20,0xaab4,0x4022, -0xc9f5,0x41c1,0xffff,0x403b, -0x6402,0x1b17,0xccbc,0x4040, -0xe92e,0x918a,0xffc5,0x402b, -}; -static const unsigned short A[] = { -0x0000,0x0000,0x0000,0x3ff0, -0x90da,0xa2a4,0xa4af,0x3fee, -0xa487,0xdcfb,0x5818,0x3fed, -0x529c,0xdd85,0x199b,0x3fec, -0xd3ad,0x995a,0xe89f,0x3fea, -0xf090,0x82a3,0xc491,0x3fe9, -0xa0db,0x422a,0xace5,0x3fe8, -0x0187,0x73eb,0xa114,0x3fe7, -0x3bcd,0x667f,0xa09e,0x3fe6, -0x5429,0xdd48,0xab07,0x3fe5, -0x2a27,0xd536,0xbfda,0x3fe4, -0x3422,0x4c12,0xdea6,0x3fe3, -0xb715,0x0a31,0x06fe,0x3fe3, -0x6238,0x6e75,0x387a,0x3fe2, -0x517b,0x3c7d,0x72b8,0x3fe1, -0x890f,0x6cf9,0xb558,0x3fe0, -0x0000,0x0000,0x0000,0x3fe0 -}; -static const unsigned short B[] = { -0x0000,0x0000,0x0000,0x0000, -0x3707,0xd75b,0xed02,0x3c72, -0xcc81,0x345d,0xa1cd,0x3c87, -0x4b27,0x5686,0xe9f1,0x3c86, -0x6456,0x13b2,0xdd34,0xbc8b, -0x42e2,0xafec,0x4397,0x3c6d, -0x82e4,0xd231,0xf46a,0x3c76, -0x8a76,0xb9d7,0x9041,0xbc71, -0x0000,0x0000,0x0000,0x0000 -}; -static const unsigned short R[] = { -0x937f,0xd7f2,0x6307,0x3eef, -0x9259,0x60fc,0x2fbe,0x3f24, -0xef1d,0xc84a,0xd87e,0x3f55, -0x33b7,0x6ef1,0xb2ab,0x3f83, -0x1a92,0xd704,0x6b08,0x3fac, -0xc56d,0xff82,0xbfbd,0x3fce, -0x39ef,0xfefa,0x2e42,0x3fe6 -}; - -#define douba(k) (*(double *)&A[(k)<<2]) -#define doubb(k) (*(double *)&B[(k)<<2]) -#define MEXP 16383.0 -#ifdef DENORMAL -#define MNEXP -17183.0 -#else -#define MNEXP -16383.0 -#endif -#endif - -#ifdef MIEEE -static unsigned short P[] = { -0x3fdf,0xdb99,0x7f5b,0x5cf0, -0x400d,0xddef,0xea9e,0xdf15, -0x401e,0xccbd,0x7f78,0xeb6f, -0x4012,0xaa83,0xb65c,0x9b74 -}; -static unsigned short Q[] = { -0x4022,0xaab4,0x9b20,0x914e, -0x403b,0xffff,0x41c1,0xc9f5, -0x4040,0xccbc,0x1b17,0x6402, -0x402b,0xffc5,0x918a,0xe92e -}; -static unsigned short A[] = { -0x3ff0,0x0000,0x0000,0x0000, -0x3fee,0xa4af,0xa2a4,0x90da, -0x3fed,0x5818,0xdcfb,0xa487, -0x3fec,0x199b,0xdd85,0x529c, -0x3fea,0xe89f,0x995a,0xd3ad, -0x3fe9,0xc491,0x82a3,0xf090, -0x3fe8,0xace5,0x422a,0xa0db, -0x3fe7,0xa114,0x73eb,0x0187, -0x3fe6,0xa09e,0x667f,0x3bcd, -0x3fe5,0xab07,0xdd48,0x5429, -0x3fe4,0xbfda,0xd536,0x2a27, -0x3fe3,0xdea6,0x4c12,0x3422, -0x3fe3,0x06fe,0x0a31,0xb715, -0x3fe2,0x387a,0x6e75,0x6238, -0x3fe1,0x72b8,0x3c7d,0x517b, -0x3fe0,0xb558,0x6cf9,0x890f, -0x3fe0,0x0000,0x0000,0x0000 -}; -static unsigned short B[] = { -0x0000,0x0000,0x0000,0x0000, -0x3c72,0xed02,0xd75b,0x3707, -0x3c87,0xa1cd,0x345d,0xcc81, -0x3c86,0xe9f1,0x5686,0x4b27, -0xbc8b,0xdd34,0x13b2,0x6456, -0x3c6d,0x4397,0xafec,0x42e2, -0x3c76,0xf46a,0xd231,0x82e4, -0xbc71,0x9041,0xb9d7,0x8a76, -0x0000,0x0000,0x0000,0x0000 -}; -static unsigned short R[] = { -0x3eef,0x6307,0xd7f2,0x937f, -0x3f24,0x2fbe,0x60fc,0x9259, -0x3f55,0xd87e,0xc84a,0xef1d, -0x3f83,0xb2ab,0x6ef1,0x33b7, -0x3fac,0x6b08,0xd704,0x1a92, -0x3fce,0xbfbd,0xff82,0xc56d, -0x3fe6,0x2e42,0xfefa,0x39ef -}; - -#define douba(k) (*(double *)&A[(k)<<2]) -#define doubb(k) (*(double *)&B[(k)<<2]) -#define MEXP 16383.0 -#ifdef DENORMAL -#define MNEXP -17183.0 -#else -#define MNEXP -16383.0 -#endif -#endif - -/* log2(e) - 1 */ -#define LOG2EA 0.44269504088896340736 - -#define F W -#define Fa Wa -#define Fb Wb -#define G W -#define Ga Wa -#define Gb u -#define H W -#define Ha Wb -#define Hb Wb - -#ifdef __MINGW32__ -static __inline__ double reduc( double ); -extern double __powi ( double, int ); -extern double pow ( double x, double y); - -#else /* __MINGW32__ */ - -#ifdef ANSIPROT -extern double floor ( double ); -extern double fabs ( double ); -extern double frexp ( double, int * ); -extern double ldexp ( double, int ); -extern double polevl ( double, void *, int ); -extern double p1evl ( double, void *, int ); -extern double __powi ( double, int ); -extern int signbit ( double ); -extern int isnan ( double ); -extern int isfinite ( double ); -static double reduc ( double ); -#else -double floor(), fabs(), frexp(), ldexp(); -double polevl(), p1evl(), __powi(); -int signbit(), isnan(), isfinite(); -static double reduc(); -#endif -extern double MAXNUM; -#ifdef INFINITIES -extern double INFINITY; -#endif -#ifdef NANS -extern double NAN; -#endif -#ifdef MINUSZERO -extern double NEGZERO; -#endif - -#endif /* __MINGW32__ */ - -double pow( x, y ) -double x, y; -{ -double w, z, W, Wa, Wb, ya, yb, u; -/* double F, Fa, Fb, G, Ga, Gb, H, Ha, Hb */ -double aw, ay, wy; -int e, i, nflg, iyflg, yoddint; - -if( y == 0.0 ) - return( 1.0 ); -#ifdef NANS -if( isnan(x) || isnan(y) ) - { - _SET_ERRNO (EDOM); - return( x + y ); - } -#endif -if( y == 1.0 ) - return( x ); - - -#ifdef INFINITIES -if( !isfinite(y) && (x == 1.0 || x == -1.0) ) - { - mtherr( "pow", DOMAIN ); -#ifdef NANS - return( NAN ); -#else - return( INFINITY ); -#endif - } -#endif - -if( x == 1.0 ) - return( 1.0 ); - -if( y >= MAXNUM ) - { - _SET_ERRNO (ERANGE); -#ifdef INFINITIES - if( x > 1.0 ) - return( INFINITY ); -#else - if( x > 1.0 ) - return( MAXNUM ); -#endif - if( x > 0.0 && x < 1.0 ) - return( 0.0); - if( x < -1.0 ) - { -#ifdef INFINITIES - return( INFINITY ); -#else - return( MAXNUM ); -#endif - } - if( x > -1.0 && x < 0.0 ) - return( 0.0 ); - } -if( y <= -MAXNUM ) - { - _SET_ERRNO (ERANGE); - if( x > 1.0 ) - return( 0.0 ); -#ifdef INFINITIES - if( x > 0.0 && x < 1.0 ) - return( INFINITY ); -#else - if( x > 0.0 && x < 1.0 ) - return( MAXNUM ); -#endif - if( x < -1.0 ) - return( 0.0 ); -#ifdef INFINITIES - if( x > -1.0 && x < 0.0 ) - return( INFINITY ); -#else - if( x > -1.0 && x < 0.0 ) - return( MAXNUM ); -#endif - } -if( x >= MAXNUM ) - { -#if INFINITIES - if( y > 0.0 ) - return( INFINITY ); -#else - if( y > 0.0 ) - return( MAXNUM ); -#endif - return(0.0); - } -/* Set iyflg to 1 if y is an integer. */ -iyflg = 0; -w = floor(y); -if( w == y ) - iyflg = 1; - -/* Test for odd integer y. */ -yoddint = 0; -if( iyflg ) - { - ya = fabs(y); - ya = floor(0.5 * ya); - yb = 0.5 * fabs(w); - if( ya != yb ) - yoddint = 1; - } - -if( x <= -MAXNUM ) - { - if( y > 0.0 ) - { -#ifdef INFINITIES - if( yoddint ) - return( -INFINITY ); - return( INFINITY ); -#else - if( yoddint ) - return( -MAXNUM ); - return( MAXNUM ); -#endif - } - if( y < 0.0 ) - { -#ifdef MINUSZERO - if( yoddint ) - return( NEGZERO ); -#endif - return( 0.0 ); - } - } - -nflg = 0; /* flag = 1 if x<0 raised to integer power */ -if( x <= 0.0 ) - { - if( x == 0.0 ) - { - if( y < 0.0 ) - { -#ifdef MINUSZERO - if( signbit(x) && yoddint ) - return( -INFINITY ); -#endif -#ifdef INFINITIES - return( INFINITY ); -#else - return( MAXNUM ); -#endif - } - if( y > 0.0 ) - { -#ifdef MINUSZERO - if( signbit(x) && yoddint ) - return( NEGZERO ); -#endif - return( 0.0 ); - } - return( 1.0 ); - } - else - { - if( iyflg == 0 ) - { /* noninteger power of negative number */ - mtherr( fname, DOMAIN ); - _SET_ERRNO (EDOM); -#ifdef NANS - return(NAN); -#else - return(0.0L); -#endif - } - nflg = 1; - } - } - -/* Integer power of an integer. */ - -if( iyflg ) - { - i = w; - w = floor(x); - if( (w == x) && (fabs(y) < 32768.0) ) - { - w = __powi( x, (int) y ); - return( w ); - } - } - -if( nflg ) - x = fabs(x); - -/* For results close to 1, use a series expansion. */ -w = x - 1.0; -aw = fabs(w); -ay = fabs(y); -wy = w * y; -ya = fabs(wy); -if((aw <= 1.0e-3 && ay <= 1.0) - || (ya <= 1.0e-3 && ay >= 1.0)) - { - z = (((((w*(y-5.)/720. + 1./120.)*w*(y-4.) + 1./24.)*w*(y-3.) - + 1./6.)*w*(y-2.) + 0.5)*w*(y-1.) )*wy + wy + 1.; - goto done; - } -/* These are probably too much trouble. */ -#if 0 -w = y * log(x); -if (aw > 1.0e-3 && fabs(w) < 1.0e-3) - { - z = (((((( - w/7. + 1.)*w/6. + 1.)*w/5. + 1.)*w/4. + 1.)*w/3. + 1.)*w/2. + 1.)*w + 1.; - goto done; - } - -if(ya <= 1.0e-3 && aw <= 1.0e-4) - { - z = ((((( - wy*1./720. - + (-w*1./48. + 1./120.) )*wy - + ((w*17./144. - 1./12.)*w + 1./24.) )*wy - + (((-w*5./16. + 7./24.)*w - 1./4.)*w + 1./6.) )*wy - + ((((w*137./360. - 5./12.)*w + 11./24.)*w - 1./2.)*w + 1./2.) )*wy - + (((((-w*1./6. + 1./5.)*w - 1./4)*w + 1./3.)*w -1./2.)*w ) )*wy - + wy + 1.0; - goto done; - } -#endif - -/* separate significand from exponent */ -x = frexp( x, &e ); - -#if 0 -/* For debugging, check for gross overflow. */ -if( (e * y) > (MEXP + 1024) ) - goto overflow; -#endif - -/* Find significand of x in antilog table A[]. */ -i = 1; -if( x <= douba(9) ) - i = 9; -if( x <= douba(i+4) ) - i += 4; -if( x <= douba(i+2) ) - i += 2; -if( x >= douba(1) ) - i = -1; -i += 1; - - -/* Find (x - A[i])/A[i] - * in order to compute log(x/A[i]): - * - * log(x) = log( a x/a ) = log(a) + log(x/a) - * - * log(x/a) = log(1+v), v = x/a - 1 = (x-a)/a - */ -x -= douba(i); -x -= doubb(i/2); -x /= douba(i); - - -/* rational approximation for log(1+v): - * - * log(1+v) = v - v**2/2 + v**3 P(v) / Q(v) - */ -z = x*x; -w = x * ( z * polevl( x, P, 3 ) / p1evl( x, Q, 4 ) ); -w = w - ldexp( z, -1 ); /* w - 0.5 * z */ - -/* Convert to base 2 logarithm: - * multiply by log2(e) - */ -w = w + LOG2EA * w; -/* Note x was not yet added in - * to above rational approximation, - * so do it now, while multiplying - * by log2(e). - */ -z = w + LOG2EA * x; -z = z + x; - -/* Compute exponent term of the base 2 logarithm. */ -w = -i; -w = ldexp( w, -4 ); /* divide by 16 */ -w += e; -/* Now base 2 log of x is w + z. */ - -/* Multiply base 2 log by y, in extended precision. */ - -/* separate y into large part ya - * and small part yb less than 1/16 - */ -ya = reduc(y); -yb = y - ya; - - -F = z * y + w * yb; -Fa = reduc(F); -Fb = F - Fa; - -G = Fa + w * ya; -Ga = reduc(G); -Gb = G - Ga; - -H = Fb + Gb; -Ha = reduc(H); -w = ldexp( Ga+Ha, 4 ); - -/* Test the power of 2 for overflow */ -if( w > MEXP ) - { -#ifndef INFINITIES - mtherr( fname, OVERFLOW ); -#endif -#ifdef INFINITIES - if( nflg && yoddint ) - return( -INFINITY ); - return( INFINITY ); -#else - if( nflg && yoddint ) - return( -MAXNUM ); - return( MAXNUM ); -#endif - } - -if( w < (MNEXP - 1) ) - { -#ifndef DENORMAL - mtherr( fname, UNDERFLOW ); -#endif -#ifdef MINUSZERO - if( nflg && yoddint ) - return( NEGZERO ); -#endif - return( 0.0 ); - } - -e = w; -Hb = H - Ha; - -if( Hb > 0.0 ) - { - e += 1; - Hb -= 0.0625; - } - -/* Now the product y * log2(x) = Hb + e/16.0. - * - * Compute base 2 exponential of Hb, - * where -0.0625 <= Hb <= 0. - */ -z = Hb * polevl( Hb, R, 6 ); /* z = 2**Hb - 1 */ - -/* Express e/16 as an integer plus a negative number of 16ths. - * Find lookup table entry for the fractional power of 2. - */ -if( e < 0 ) - i = 0; -else - i = 1; -i = e/16 + i; -e = 16*i - e; -w = douba( e ); -z = w + w * z; /* 2**-e * ( 1 + (2**Hb-1) ) */ -z = ldexp( z, i ); /* multiply by integer power of 2 */ - -done: - -/* Negate if odd integer power of negative number */ -if( nflg && yoddint ) - { -#ifdef MINUSZERO - if( z == 0.0 ) - z = NEGZERO; - else -#endif - z = -z; - } -return( z ); -} - - -/* Find a multiple of 1/16 that is within 1/16 of x. */ -static __inline__ double reduc(x) -double x; -{ -double t; - -t = ldexp( x, 4 ); -t = floor( t ); -t = ldexp( t, -4 ); -return(t); -} diff --git a/winsup/mingw/mingwex/math/powf.c b/winsup/mingw/mingwex/math/powf.c deleted file mode 100644 index 1af4d2d8f..000000000 --- a/winsup/mingw/mingwex/math/powf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float powf (float x, float y) - {return (float) pow (x, y);} diff --git a/winsup/mingw/mingwex/math/powi.c b/winsup/mingw/mingwex/math/powi.c deleted file mode 100644 index 9dd0c3d82..000000000 --- a/winsup/mingw/mingwex/math/powi.c +++ /dev/null @@ -1,200 +0,0 @@ -/* powi.c - * - * Real raised to integer power - * - * - * - * SYNOPSIS: - * - * double x, y, __powi(); - * int n; - * - * y = __powi( x, n ); - * - * - * - * DESCRIPTION: - * - * Returns argument x raised to the nth power. - * The routine efficiently decomposes n as a sum of powers of - * two. The desired power is a product of two-to-the-kth - * powers of x. Thus to compute the 32767 power of x requires - * 28 multiplications instead of 32767 multiplications. - * - * - * - * ACCURACY: - * - * - * Relative error: - * arithmetic x domain n domain # trials peak rms - * DEC .04,26 -26,26 100000 2.7e-16 4.3e-17 - * IEEE .04,26 -26,26 50000 2.0e-15 3.8e-16 - * IEEE 1,2 -1022,1023 50000 8.6e-14 1.6e-14 - * - * Returns MAXNUM on overflow, zero on underflow. - * - */ - -/* powi.c */ - -/* -Cephes Math Library Release 2.8: June, 2000 -Copyright 1984, 1995, 2000 by Stephen L. Moshier -*/ - -/* -Modified for mingw -2002-07-22 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -#ifdef ANSIPROT -extern double log ( double ); -extern double frexp ( double, int * ); -extern int signbit ( double ); -#else -double log(), frexp(); -int signbit(); -#endif -extern double NEGZERO, INFINITY, MAXNUM, MAXLOG, MINLOG, LOGE2; -#endif /* __MINGW32__ */ - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - -double __powi( x, nn ) -double x; -int nn; -{ -int n, e, sign, asign, lx; -double w, y, s; - -/* See pow.c for these tests. */ -if( x == 0.0 ) - { - if( nn == 0 ) - return( 1.0 ); - else if( nn < 0 ) - return( INFINITY ); - else - { - if( nn & 1 ) - return( x ); - else - return( 0.0 ); - } - } - -if( nn == 0 ) - return( 1.0 ); - -if( nn == -1 ) - return( 1.0/x ); - -if( x < 0.0 ) - { - asign = -1; - x = -x; - } -else - asign = 0; - - -if( nn < 0 ) - { - sign = -1; - n = -nn; - } -else - { - sign = 1; - n = nn; - } - -/* Even power will be positive. */ -if( (n & 1) == 0 ) - asign = 0; - -/* Overflow detection */ - -/* Calculate approximate logarithm of answer */ -s = frexp( x, &lx ); -e = (lx - 1)*n; -if( (e == 0) || (e > 64) || (e < -64) ) - { - s = (s - 7.0710678118654752e-1) / (s + 7.0710678118654752e-1); - s = (2.9142135623730950 * s - 0.5 + lx) * nn * LOGE2; - } -else - { - s = LOGE2 * e; - } - -if( s > MAXLOG ) - { - mtherr( "powi", OVERFLOW ); - _SET_ERRNO(ERANGE); - y = INFINITY; - goto done; - } - -#if DENORMAL -if( s < MINLOG ) - { - y = 0.0; - goto done; - } - -/* Handle tiny denormal answer, but with less accuracy - * since roundoff error in 1.0/x will be amplified. - * The precise demarcation should be the gradual underflow threshold. - */ -if( (s < (-MAXLOG+2.0)) && (sign < 0) ) - { - x = 1.0/x; - sign = -sign; - } -#else -/* do not produce denormal answer */ -if( s < -MAXLOG ) - return(0.0); -#endif - - -/* First bit of the power */ -if( n & 1 ) - y = x; - -else - y = 1.0; - -w = x; -n >>= 1; -while( n ) - { - w = w * w; /* arg to the 2-to-the-kth power */ - if( n & 1 ) /* if that bit is set, then include in product */ - y *= w; - n >>= 1; - } - -if( sign < 0 ) - y = 1.0/y; - -done: - -if( asign ) - { - /* odd power of negative number */ - if( y == 0.0 ) - y = NEGZERO; - else - y = -y; - } -return(y); -} diff --git a/winsup/mingw/mingwex/math/powif.c b/winsup/mingw/mingwex/math/powif.c deleted file mode 100644 index 160fb5476..000000000 --- a/winsup/mingw/mingwex/math/powif.c +++ /dev/null @@ -1,198 +0,0 @@ -/* powi.c - * - * Real raised to integer power - * - * - * - * SYNOPSIS: - * - * float x, y, __powif(); - * int n; - * - * y = powi( x, n ); - * - * - * - * DESCRIPTION: - * - * Returns argument x raised to the nth power. - * The routine efficiently decomposes n as a sum of powers of - * two. The desired power is a product of two-to-the-kth - * powers of x. Thus to compute the 32767 power of x requires - * 28 multiplications instead of 32767 multiplications. - * - * - * - * ACCURACY: - * - * - * Relative error: - * arithmetic x domain n domain # trials peak rms - * DEC .04,26 -26,26 100000 2.7e-16 4.3e-17 - * IEEE .04,26 -26,26 50000 2.0e-15 3.8e-16 - * IEEE 1,2 -1022,1023 50000 8.6e-14 1.6e-14 - * - * Returns MAXNUM on overflow, zero on underflow. - * - */ - -/* powi.c */ - -/* -Cephes Math Library Release 2.8: June, 2000 -Copyright 1984, 1995, 2000 by Stephen L. Moshier -*/ - -/* -Modified for float from powi.c and adapted to mingw -2002-10-01 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -#ifdef ANSIPROT -extern float logf ( float ); -extern float frexpf ( float, int * ); -extern int signbitf ( float ); -#else -float logf(), frexpf(); -int signbitf(); -#endif -extern float NEGZEROF, INFINITYF, MAXNUMF, MAXLOGF, MINLOGF, LOGE2F; -#endif /* __MINGW32__ */ - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - -float __powif( float x, int nn ) -{ -int n, e, sign, asign, lx; -float w, y, s; - -/* See pow.c for these tests. */ -if( x == 0.0F ) - { - if( nn == 0 ) - return( 1.0F ); - else if( nn < 0 ) - return( INFINITYF ); - else - { - if( nn & 1 ) - return( x ); - else - return( 0.0 ); - } - } - -if( nn == 0 ) - return( 1.0 ); - -if( nn == -1 ) - return( 1.0/x ); - -if( x < 0.0 ) - { - asign = -1; - x = -x; - } -else - asign = 0; - - -if( nn < 0 ) - { - sign = -1; - n = -nn; - } -else - { - sign = 1; - n = nn; - } - -/* Even power will be positive. */ -if( (n & 1) == 0 ) - asign = 0; - -/* Overflow detection */ - -/* Calculate approximate logarithm of answer */ -s = frexpf( x, &lx ); -e = (lx - 1)*n; -if( (e == 0) || (e > 64) || (e < -64) ) - { - s = (s - 7.0710678118654752e-1) / (s + 7.0710678118654752e-1); - s = (2.9142135623730950 * s - 0.5 + lx) * nn * LOGE2F; - } -else - { - s = LOGE2F * e; - } - -if( s > MAXLOGF ) - { - mtherr( "__powif", OVERFLOW ); - _SET_ERRNO(ERANGE); - y = INFINITYF; - goto done; - } - -#if DENORMAL -if( s < MINLOGF ) - { - y = 0.0; - goto done; - } - -/* Handle tiny denormal answer, but with less accuracy - * since roundoff error in 1.0/x will be amplified. - * The precise demarcation should be the gradual underflow threshold. - */ -if( (s < (-MAXLOGF+2.0)) && (sign < 0) ) - { - x = 1.0/x; - sign = -sign; - } -#else -/* do not produce denormal answer */ -if( s < -MAXLOGF ) - return(0.0); -#endif - - -/* First bit of the power */ -if( n & 1 ) - y = x; - -else - y = 1.0; - -w = x; -n >>= 1; -while( n ) - { - w = w * w; /* arg to the 2-to-the-kth power */ - if( n & 1 ) /* if that bit is set, then include in product */ - y *= w; - n >>= 1; - } - -if( sign < 0 ) - y = 1.0/y; - -done: - -if( asign ) - { - /* odd power of negative number */ - if( y == 0.0 ) - y = NEGZEROF; - else - y = -y; - } -return(y); -} diff --git a/winsup/mingw/mingwex/math/powil.c b/winsup/mingw/mingwex/math/powil.c deleted file mode 100644 index ec7a2866b..000000000 --- a/winsup/mingw/mingwex/math/powil.c +++ /dev/null @@ -1,179 +0,0 @@ -/* __powil.c - * - * Real raised to integer power, long double precision - * - * - * - * SYNOPSIS: - * - * long double x, y, __powil(); - * int n; - * - * y = __powil( x, n ); - * - * - * - * DESCRIPTION: - * - * Returns argument x raised to the nth power. - * The routine efficiently decomposes n as a sum of powers of - * two. The desired power is a product of two-to-the-kth - * powers of x. Thus to compute the 32767 power of x requires - * 28 multiplications instead of 32767 multiplications. - * - * - * - * ACCURACY: - * - * - * Relative error: - * arithmetic x domain n domain # trials peak rms - * IEEE .001,1000 -1022,1023 50000 4.3e-17 7.8e-18 - * IEEE 1,2 -1022,1023 20000 3.9e-17 7.6e-18 - * IEEE .99,1.01 0,8700 10000 3.6e-16 7.2e-17 - * - * Returns INFINITY on overflow, zero on underflow. - * - */ - -/* __powil.c */ - -/* -Cephes Math Library Release 2.2: December, 1990 -Copyright 1984, 1990 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ - -/* -Modified for mingw -2002-07-22 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -extern long double MAXNUML, MAXLOGL, MINLOGL; -extern long double LOGE2L; -#ifdef ANSIPROT -extern long double frexpl ( long double, int * ); -#else -long double frexpl(); -#endif -#endif /* __MINGW32__ */ - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - -long double __powil( x, nn ) -long double x; -int nn; -{ -long double w, y; -long double s; -int n, e, sign, asign, lx; - -if( x == 0.0L ) - { - if( nn == 0 ) - return( 1.0L ); - else if( nn < 0 ) - return( INFINITYL ); - else - return( 0.0L ); - } - -if( nn == 0 ) - return( 1.0L ); - - -if( x < 0.0L ) - { - asign = -1; - x = -x; - } -else - asign = 0; - - -if( nn < 0 ) - { - sign = -1; - n = -nn; - } -else - { - sign = 1; - n = nn; - } - -/* Overflow detection */ - -/* Calculate approximate logarithm of answer */ -s = x; -s = frexpl( s, &lx ); -e = (lx - 1)*n; -if( (e == 0) || (e > 64) || (e < -64) ) - { - s = (s - 7.0710678118654752e-1L) / (s + 7.0710678118654752e-1L); - s = (2.9142135623730950L * s - 0.5L + lx) * nn * LOGE2L; - } -else - { - s = LOGE2L * e; - } - -if( s > MAXLOGL ) - { - mtherr( "__powil", OVERFLOW ); - _SET_ERRNO(ERANGE); - y = INFINITYL; - goto done; - } - -if( s < MINLOGL ) - { - mtherr( "__powil", UNDERFLOW ); - _SET_ERRNO(ERANGE); - return(0.0L); - } -/* Handle tiny denormal answer, but with less accuracy - * since roundoff error in 1.0/x will be amplified. - * The precise demarcation should be the gradual underflow threshold. - */ -if( s < (-MAXLOGL+2.0L) ) - { - x = 1.0L/x; - sign = -sign; - } - -/* First bit of the power */ -if( n & 1 ) - y = x; - -else - { - y = 1.0L; - asign = 0; - } - -w = x; -n >>= 1; -while( n ) - { - w = w * w; /* arg to the 2-to-the-kth power */ - if( n & 1 ) /* if that bit is set, then include in product */ - y *= w; - n >>= 1; - } - - -done: - -if( asign ) - y = -y; /* odd power of negative number */ -if( sign < 0 ) - y = 1.0L/y; -return(y); -} diff --git a/winsup/mingw/mingwex/math/powl.c b/winsup/mingw/mingwex/math/powl.c deleted file mode 100644 index f85e55653..000000000 --- a/winsup/mingw/mingwex/math/powl.c +++ /dev/null @@ -1,804 +0,0 @@ -/* powl.c - * - * Power function, long double precision - * - * - * - * SYNOPSIS: - * - * long double x, y, z, powl(); - * - * z = powl( x, y ); - * - * - * - * DESCRIPTION: - * - * Computes x raised to the yth power. Analytically, - * - * x**y = exp( y log(x) ). - * - * Following Cody and Waite, this program uses a lookup table - * of 2**-i/32 and pseudo extended precision arithmetic to - * obtain several extra bits of accuracy in both the logarithm - * and the exponential. - * - * - * - * ACCURACY: - * - * The relative error of pow(x,y) can be estimated - * by y dl ln(2), where dl is the absolute error of - * the internally computed base 2 logarithm. At the ends - * of the approximation interval the logarithm equal 1/32 - * and its relative error is about 1 lsb = 1.1e-19. Hence - * the predicted relative error in the result is 2.3e-21 y . - * - * Relative error: - * arithmetic domain # trials peak rms - * - * IEEE +-1000 40000 2.8e-18 3.7e-19 - * .001 < x < 1000, with log(x) uniformly distributed. - * -1000 < y < 1000, y uniformly distributed. - * - * IEEE 0,8700 60000 6.5e-18 1.0e-18 - * 0.99 < x < 1.01, 0 < y < 8700, uniformly distributed. - * - * - * ERROR MESSAGES: - * - * message condition value returned - * pow overflow x**y > MAXNUM INFINITY - * pow underflow x**y < 1/MAXNUM 0.0 - * pow domain x<0 and y noninteger 0.0 - * - */ - -/* -Cephes Math Library Release 2.7: May, 1998 -Copyright 1984, 1991, 1998 by Stephen L. Moshier -*/ - -/* -Modified for mingw -2002-07-22 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" - -static char fname[] = {"powl"}; -#endif - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - - -/* Table size */ -#define NXT 32 -/* log2(Table size) */ -#define LNXT 5 - -#ifdef UNK -/* log(1+x) = x - .5x^2 + x^3 * P(z)/Q(z) - * on the domain 2^(-1/32) - 1 <= x <= 2^(1/32) - 1 - */ -static long double P[] = { - 8.3319510773868690346226E-4L, - 4.9000050881978028599627E-1L, - 1.7500123722550302671919E0L, - 1.4000100839971580279335E0L, -}; -static long double Q[] = { -/* 1.0000000000000000000000E0L,*/ - 5.2500282295834889175431E0L, - 8.4000598057587009834666E0L, - 4.2000302519914740834728E0L, -}; -/* A[i] = 2^(-i/32), rounded to IEEE long double precision. - * If i is even, A[i] + B[i/2] gives additional accuracy. - */ -static long double A[33] = { - 1.0000000000000000000000E0L, - 9.7857206208770013448287E-1L, - 9.5760328069857364691013E-1L, - 9.3708381705514995065011E-1L, - 9.1700404320467123175367E-1L, - 8.9735453750155359320742E-1L, - 8.7812608018664974155474E-1L, - 8.5930964906123895780165E-1L, - 8.4089641525371454301892E-1L, - 8.2287773907698242225554E-1L, - 8.0524516597462715409607E-1L, - 7.8799042255394324325455E-1L, - 7.7110541270397041179298E-1L, - 7.5458221379671136985669E-1L, - 7.3841307296974965571198E-1L, - 7.2259040348852331001267E-1L, - 7.0710678118654752438189E-1L, - 6.9195494098191597746178E-1L, - 6.7712777346844636413344E-1L, - 6.6261832157987064729696E-1L, - 6.4841977732550483296079E-1L, - 6.3452547859586661129850E-1L, - 6.2092890603674202431705E-1L, - 6.0762367999023443907803E-1L, - 5.9460355750136053334378E-1L, - 5.8186242938878875689693E-1L, - 5.6939431737834582684856E-1L, - 5.5719337129794626814472E-1L, - 5.4525386633262882960438E-1L, - 5.3357020033841180906486E-1L, - 5.2213689121370692017331E-1L, - 5.1094857432705833910408E-1L, - 5.0000000000000000000000E-1L, -}; -static long double B[17] = { - 0.0000000000000000000000E0L, - 2.6176170809902549338711E-20L, --1.0126791927256478897086E-20L, - 1.3438228172316276937655E-21L, - 1.2207982955417546912101E-20L, --6.3084814358060867200133E-21L, - 1.3164426894366316434230E-20L, --1.8527916071632873716786E-20L, - 1.8950325588932570796551E-20L, - 1.5564775779538780478155E-20L, - 6.0859793637556860974380E-21L, --2.0208749253662532228949E-20L, - 1.4966292219224761844552E-20L, - 3.3540909728056476875639E-21L, --8.6987564101742849540743E-22L, --1.2327176863327626135542E-20L, - 0.0000000000000000000000E0L, -}; - -/* 2^x = 1 + x P(x), - * on the interval -1/32 <= x <= 0 - */ -static long double R[] = { - 1.5089970579127659901157E-5L, - 1.5402715328927013076125E-4L, - 1.3333556028915671091390E-3L, - 9.6181291046036762031786E-3L, - 5.5504108664798463044015E-2L, - 2.4022650695910062854352E-1L, - 6.9314718055994530931447E-1L, -}; - -#define douba(k) A[k] -#define doubb(k) B[k] -#define MEXP (NXT*16384.0L) -/* The following if denormal numbers are supported, else -MEXP: */ -#ifdef DENORMAL -#define MNEXP (-NXT*(16384.0L+64.0L)) -#else -#define MNEXP (-NXT*16384.0L) -#endif -/* log2(e) - 1 */ -#define LOG2EA 0.44269504088896340735992L -#endif - - -#ifdef IBMPC -static const unsigned short P[] = { -0xb804,0xa8b7,0xc6f4,0xda6a,0x3ff4, XPD -0x7de9,0xcf02,0x58c0,0xfae1,0x3ffd, XPD -0x405a,0x3722,0x67c9,0xe000,0x3fff, XPD -0xcd99,0x6b43,0x87ca,0xb333,0x3fff, XPD -}; -static const unsigned short Q[] = { -/* 0x0000,0x0000,0x0000,0x8000,0x3fff, */ -0x6307,0xa469,0x3b33,0xa800,0x4001, XPD -0xfec2,0x62d7,0xa51c,0x8666,0x4002, XPD -0xda32,0xd072,0xa5d7,0x8666,0x4001, XPD -}; -static const unsigned short A[] = { -0x0000,0x0000,0x0000,0x8000,0x3fff, XPD -0x033a,0x722a,0xb2db,0xfa83,0x3ffe, XPD -0xcc2c,0x2486,0x7d15,0xf525,0x3ffe, XPD -0xf5cb,0xdcda,0xb99b,0xefe4,0x3ffe, XPD -0x392f,0xdd24,0xc6e7,0xeac0,0x3ffe, XPD -0x48a8,0x7c83,0x06e7,0xe5b9,0x3ffe, XPD -0xe111,0x2a94,0xdeec,0xe0cc,0x3ffe, XPD -0x3755,0xdaf2,0xb797,0xdbfb,0x3ffe, XPD -0x6af4,0xd69d,0xfcca,0xd744,0x3ffe, XPD -0xe45a,0xf12a,0x1d91,0xd2a8,0x3ffe, XPD -0x80e4,0x1f84,0x8c15,0xce24,0x3ffe, XPD -0x27a3,0x6e2f,0xbd86,0xc9b9,0x3ffe, XPD -0xdadd,0x5506,0x2a11,0xc567,0x3ffe, XPD -0x9456,0x6670,0x4cca,0xc12c,0x3ffe, XPD -0x36bf,0x580c,0xa39f,0xbd08,0x3ffe, XPD -0x9ee9,0x62fb,0xaf47,0xb8fb,0x3ffe, XPD -0x6484,0xf9de,0xf333,0xb504,0x3ffe, XPD -0x2590,0xd2ac,0xf581,0xb123,0x3ffe, XPD -0x4ac6,0x42a1,0x3eea,0xad58,0x3ffe, XPD -0x0ef8,0xea7c,0x5ab4,0xa9a1,0x3ffe, XPD -0x38ea,0xb151,0xd6a9,0xa5fe,0x3ffe, XPD -0x6819,0x0c49,0x4303,0xa270,0x3ffe, XPD -0x11ae,0x91a1,0x3260,0x9ef5,0x3ffe, XPD -0x5539,0xd54e,0x39b9,0x9b8d,0x3ffe, XPD -0xa96f,0x8db8,0xf051,0x9837,0x3ffe, XPD -0x0961,0xfef7,0xefa8,0x94f4,0x3ffe, XPD -0xc336,0xab11,0xd373,0x91c3,0x3ffe, XPD -0x53c0,0x45cd,0x398b,0x8ea4,0x3ffe, XPD -0xd6e7,0xea8b,0xc1e3,0x8b95,0x3ffe, XPD -0x8527,0x92da,0x0e80,0x8898,0x3ffe, XPD -0x7b15,0xcc48,0xc367,0x85aa,0x3ffe, XPD -0xa1d7,0xac2b,0x8698,0x82cd,0x3ffe, XPD -0x0000,0x0000,0x0000,0x8000,0x3ffe, XPD -}; -static const unsigned short B[] = { -0x0000,0x0000,0x0000,0x0000,0x0000, XPD -0x1f87,0xdb30,0x18f5,0xf73a,0x3fbd, XPD -0xac15,0x3e46,0x2932,0xbf4a,0xbfbc, XPD -0x7944,0xba66,0xa091,0xcb12,0x3fb9, XPD -0xff78,0x40b4,0x2ee6,0xe69a,0x3fbc, XPD -0xc895,0x5069,0xe383,0xee53,0xbfbb, XPD -0x7cde,0x9376,0x4325,0xf8ab,0x3fbc, XPD -0xa10c,0x25e0,0xc093,0xaefd,0xbfbd, XPD -0x7d3e,0xea95,0x1366,0xb2fb,0x3fbd, XPD -0x5d89,0xeb34,0x5191,0x9301,0x3fbd, XPD -0x80d9,0xb883,0xfb10,0xe5eb,0x3fbb, XPD -0x045d,0x288c,0xc1ec,0xbedd,0xbfbd, XPD -0xeded,0x5c85,0x4630,0x8d5a,0x3fbd, XPD -0x9d82,0xe5ac,0x8e0a,0xfd6d,0x3fba, XPD -0x6dfd,0xeb58,0xaf14,0x8373,0xbfb9, XPD -0xf938,0x7aac,0x91cf,0xe8da,0xbfbc, XPD -0x0000,0x0000,0x0000,0x0000,0x0000, XPD -}; -static const unsigned short R[] = { -0xa69b,0x530e,0xee1d,0xfd2a,0x3fee, XPD -0xc746,0x8e7e,0x5960,0xa182,0x3ff2, XPD -0x63b6,0xadda,0xfd6a,0xaec3,0x3ff5, XPD -0xc104,0xfd99,0x5b7c,0x9d95,0x3ff8, XPD -0xe05e,0x249d,0x46b8,0xe358,0x3ffa, XPD -0x5d1d,0x162c,0xeffc,0xf5fd,0x3ffc, XPD -0x79aa,0xd1cf,0x17f7,0xb172,0x3ffe, XPD -}; - -/* 10 byte sizes versus 12 byte */ -#define douba(k) (*(long double *)(&A[(sizeof( long double )/2)*(k)])) -#define doubb(k) (*(long double *)(&B[(sizeof( long double )/2)*(k)])) -#define MEXP (NXT*16384.0L) -#ifdef DENORMAL -#define MNEXP (-NXT*(16384.0L+64.0L)) -#else -#define MNEXP (-NXT*16384.0L) -#endif -static const -union -{ - unsigned short L[6]; - long double ld; -} log2ea = {{0xc2ef,0x705f,0xeca5,0xe2a8,0x3ffd, XPD}}; - -#define LOG2EA (log2ea.ld) -/* -#define LOG2EA 0.44269504088896340735992L -*/ -#endif - -#ifdef MIEEE -static long P[] = { -0x3ff40000,0xda6ac6f4,0xa8b7b804, -0x3ffd0000,0xfae158c0,0xcf027de9, -0x3fff0000,0xe00067c9,0x3722405a, -0x3fff0000,0xb33387ca,0x6b43cd99, -}; -static long Q[] = { -/* 0x3fff0000,0x80000000,0x00000000, */ -0x40010000,0xa8003b33,0xa4696307, -0x40020000,0x8666a51c,0x62d7fec2, -0x40010000,0x8666a5d7,0xd072da32, -}; -static long A[] = { -0x3fff0000,0x80000000,0x00000000, -0x3ffe0000,0xfa83b2db,0x722a033a, -0x3ffe0000,0xf5257d15,0x2486cc2c, -0x3ffe0000,0xefe4b99b,0xdcdaf5cb, -0x3ffe0000,0xeac0c6e7,0xdd24392f, -0x3ffe0000,0xe5b906e7,0x7c8348a8, -0x3ffe0000,0xe0ccdeec,0x2a94e111, -0x3ffe0000,0xdbfbb797,0xdaf23755, -0x3ffe0000,0xd744fcca,0xd69d6af4, -0x3ffe0000,0xd2a81d91,0xf12ae45a, -0x3ffe0000,0xce248c15,0x1f8480e4, -0x3ffe0000,0xc9b9bd86,0x6e2f27a3, -0x3ffe0000,0xc5672a11,0x5506dadd, -0x3ffe0000,0xc12c4cca,0x66709456, -0x3ffe0000,0xbd08a39f,0x580c36bf, -0x3ffe0000,0xb8fbaf47,0x62fb9ee9, -0x3ffe0000,0xb504f333,0xf9de6484, -0x3ffe0000,0xb123f581,0xd2ac2590, -0x3ffe0000,0xad583eea,0x42a14ac6, -0x3ffe0000,0xa9a15ab4,0xea7c0ef8, -0x3ffe0000,0xa5fed6a9,0xb15138ea, -0x3ffe0000,0xa2704303,0x0c496819, -0x3ffe0000,0x9ef53260,0x91a111ae, -0x3ffe0000,0x9b8d39b9,0xd54e5539, -0x3ffe0000,0x9837f051,0x8db8a96f, -0x3ffe0000,0x94f4efa8,0xfef70961, -0x3ffe0000,0x91c3d373,0xab11c336, -0x3ffe0000,0x8ea4398b,0x45cd53c0, -0x3ffe0000,0x8b95c1e3,0xea8bd6e7, -0x3ffe0000,0x88980e80,0x92da8527, -0x3ffe0000,0x85aac367,0xcc487b15, -0x3ffe0000,0x82cd8698,0xac2ba1d7, -0x3ffe0000,0x80000000,0x00000000, -}; -static long B[51] = { -0x00000000,0x00000000,0x00000000, -0x3fbd0000,0xf73a18f5,0xdb301f87, -0xbfbc0000,0xbf4a2932,0x3e46ac15, -0x3fb90000,0xcb12a091,0xba667944, -0x3fbc0000,0xe69a2ee6,0x40b4ff78, -0xbfbb0000,0xee53e383,0x5069c895, -0x3fbc0000,0xf8ab4325,0x93767cde, -0xbfbd0000,0xaefdc093,0x25e0a10c, -0x3fbd0000,0xb2fb1366,0xea957d3e, -0x3fbd0000,0x93015191,0xeb345d89, -0x3fbb0000,0xe5ebfb10,0xb88380d9, -0xbfbd0000,0xbeddc1ec,0x288c045d, -0x3fbd0000,0x8d5a4630,0x5c85eded, -0x3fba0000,0xfd6d8e0a,0xe5ac9d82, -0xbfb90000,0x8373af14,0xeb586dfd, -0xbfbc0000,0xe8da91cf,0x7aacf938, -0x00000000,0x00000000,0x00000000, -}; -static long R[] = { -0x3fee0000,0xfd2aee1d,0x530ea69b, -0x3ff20000,0xa1825960,0x8e7ec746, -0x3ff50000,0xaec3fd6a,0xadda63b6, -0x3ff80000,0x9d955b7c,0xfd99c104, -0x3ffa0000,0xe35846b8,0x249de05e, -0x3ffc0000,0xf5fdeffc,0x162c5d1d, -0x3ffe0000,0xb17217f7,0xd1cf79aa, -}; - -#define douba(k) (*(long double *)&A[3*(k)]) -#define doubb(k) (*(long double *)&B[3*(k)]) -#define MEXP (NXT*16384.0L) -#ifdef DENORMAL -#define MNEXP (-NXT*(16384.0L+64.0L)) -#else -#define MNEXP (-NXT*16382.0L) -#endif -static long L[3] = {0x3ffd0000,0xe2a8eca5,0x705fc2ef}; -#define LOG2EA (*(long double *)(&L[0])) -#endif - - -#define F W -#define Fa Wa -#define Fb Wb -#define G W -#define Ga Wa -#define Gb u -#define H W -#define Ha Wb -#define Hb Wb - -#ifndef __MINGW32__ -extern long double MAXNUML; -#endif - -static VOLATILE long double z; -static long double w, W, Wa, Wb, ya, yb, u; - -#ifdef __MINGW32__ -static __inline__ long double reducl( long double ); -extern long double __powil ( long double, int ); -extern long double powl ( long double x, long double y); -#else -#ifdef ANSIPROT -extern long double floorl ( long double ); -extern long double fabsl ( long double ); -extern long double frexpl ( long double, int * ); -extern long double ldexpl ( long double, int ); -extern long double polevll ( long double, void *, int ); -extern long double p1evll ( long double, void *, int ); -extern long double __powil ( long double, int ); -extern int isnanl ( long double ); -extern int isfinitel ( long double ); -static long double reducl( long double ); -extern int signbitl ( long double ); -#else -long double floorl(), fabsl(), frexpl(), ldexpl(); -long double polevll(), p1evll(), __powil(); -static long double reducl(); -int isnanl(), isfinitel(), signbitl(); -#endif /* __MINGW32__ */ - -#ifdef INFINITIES -extern long double INFINITYL; -#else -#define INFINITYL MAXNUML -#endif - -#ifdef NANS -extern long double NANL; -#endif -#ifdef MINUSZERO -extern long double NEGZEROL; -#endif - -#endif /* __MINGW32__ */ - -#ifdef __MINGW32__ - -/* No error checking. We handle Infs and zeros ourselves. */ -static __inline__ long double -__fast_ldexpl (long double x, int expn) -{ - long double res; - __asm__ ("fscale" - : "=t" (res) - : "0" (x), "u" ((long double) expn)); - return res; -} - -#define ldexpl __fast_ldexpl - -#endif - - -long double powl( x, y ) -long double x, y; -{ -/* double F, Fa, Fb, G, Ga, Gb, H, Ha, Hb */ -int i, nflg, iyflg, yoddint; -long e; - -if( y == 0.0L ) - return( 1.0L ); - -#ifdef NANS -if( isnanl(x) ) - { - _SET_ERRNO (EDOM); - return( x ); - } -if( isnanl(y) ) - { - _SET_ERRNO (EDOM); - return( y ); - } -#endif - -if( y == 1.0L ) - return( x ); - -if( isinfl(y) && (x == -1.0L || x == 1.0L) ) - return( y ); - -if( x == 1.0L ) - return( 1.0L ); - -if( y >= MAXNUML ) - { - _SET_ERRNO (ERANGE); -#ifdef INFINITIES - if( x > 1.0L ) - return( INFINITYL ); -#else - if( x > 1.0L ) - return( MAXNUML ); -#endif - if( x > 0.0L && x < 1.0L ) - return( 0.0L ); -#ifdef INFINITIES - if( x < -1.0L ) - return( INFINITYL ); -#else - if( x < -1.0L ) - return( MAXNUML ); -#endif - if( x > -1.0L && x < 0.0L ) - return( 0.0L ); - } -if( y <= -MAXNUML ) - { - _SET_ERRNO (ERANGE); - if( x > 1.0L ) - return( 0.0L ); -#ifdef INFINITIES - if( x > 0.0L && x < 1.0L ) - return( INFINITYL ); -#else - if( x > 0.0L && x < 1.0L ) - return( MAXNUML ); -#endif - if( x < -1.0L ) - return( 0.0L ); -#ifdef INFINITIES - if( x > -1.0L && x < 0.0L ) - return( INFINITYL ); -#else - if( x > -1.0L && x < 0.0L ) - return( MAXNUML ); -#endif - } -if( x >= MAXNUML ) - { -#if INFINITIES - if( y > 0.0L ) - return( INFINITYL ); -#else - if( y > 0.0L ) - return( MAXNUML ); -#endif - return( 0.0L ); - } - -w = floorl(y); -/* Set iyflg to 1 if y is an integer. */ -iyflg = 0; -if( w == y ) - iyflg = 1; - -/* Test for odd integer y. */ -yoddint = 0; -if( iyflg ) - { - ya = fabsl(y); - ya = floorl(0.5L * ya); - yb = 0.5L * fabsl(w); - if( ya != yb ) - yoddint = 1; - } - -if( x <= -MAXNUML ) - { - if( y > 0.0L ) - { -#ifdef INFINITIES - if( yoddint ) - return( -INFINITYL ); - return( INFINITYL ); -#else - if( yoddint ) - return( -MAXNUML ); - return( MAXNUML ); -#endif - } - if( y < 0.0L ) - { -#ifdef MINUSZERO - if( yoddint ) - return( NEGZEROL ); -#endif - return( 0.0 ); - } - } - - -nflg = 0; /* flag = 1 if x<0 raised to integer power */ -if( x <= 0.0L ) - { - if( x == 0.0L ) - { - if( y < 0.0 ) - { -#ifdef MINUSZERO - if( signbitl(x) && yoddint ) - return( -INFINITYL ); -#endif -#ifdef INFINITIES - return( INFINITYL ); -#else - return( MAXNUML ); -#endif - } - if( y > 0.0 ) - { -#ifdef MINUSZERO - if( signbitl(x) && yoddint ) - return( NEGZEROL ); -#endif - return( 0.0 ); - } - if( y == 0.0L ) - return( 1.0L ); /* 0**0 */ - else - return( 0.0L ); /* 0**y */ - } - else - { - if( iyflg == 0 ) - { /* noninteger power of negative number */ - mtherr( fname, DOMAIN ); - _SET_ERRNO (EDOM); -#ifdef NANS - return(NANL); -#else - return(0.0L); -#endif - } - nflg = 1; - } - } - -/* Integer power of an integer. */ - -if( iyflg ) - { - i = w; - w = floorl(x); - if( (w == x) && (fabsl(y) < 32768.0) ) - { - w = __powil( x, (int) y ); - return( w ); - } - } - - -if( nflg ) - x = fabsl(x); - -/* separate significand from exponent */ -x = frexpl( x, &i ); -e = i; - -/* find significand in antilog table A[] */ -i = 1; -if( x <= douba(17) ) - i = 17; -if( x <= douba(i+8) ) - i += 8; -if( x <= douba(i+4) ) - i += 4; -if( x <= douba(i+2) ) - i += 2; -if( x >= douba(1) ) - i = -1; -i += 1; - - -/* Find (x - A[i])/A[i] - * in order to compute log(x/A[i]): - * - * log(x) = log( a x/a ) = log(a) + log(x/a) - * - * log(x/a) = log(1+v), v = x/a - 1 = (x-a)/a - */ -x -= douba(i); -x -= doubb(i/2); -x /= douba(i); - - -/* rational approximation for log(1+v): - * - * log(1+v) = v - v**2/2 + v**3 P(v) / Q(v) - */ -z = x*x; -w = x * ( z * polevll( x, P, 3 ) / p1evll( x, Q, 3 ) ); -w = w - ldexpl( z, -1 ); /* w - 0.5 * z */ - -/* Convert to base 2 logarithm: - * multiply by log2(e) = 1 + LOG2EA - */ -z = LOG2EA * w; -z += w; -z += LOG2EA * x; -z += x; - -/* Compute exponent term of the base 2 logarithm. */ -w = -i; -w = ldexpl( w, -LNXT ); /* divide by NXT */ -w += e; -/* Now base 2 log of x is w + z. */ - -/* Multiply base 2 log by y, in extended precision. */ - -/* separate y into large part ya - * and small part yb less than 1/NXT - */ -ya = reducl(y); -yb = y - ya; - -/* (w+z)(ya+yb) - * = w*ya + w*yb + z*y - */ -F = z * y + w * yb; -Fa = reducl(F); -Fb = F - Fa; - -G = Fa + w * ya; -Ga = reducl(G); -Gb = G - Ga; - -H = Fb + Gb; -Ha = reducl(H); -w = ldexpl( Ga + Ha, LNXT ); - -/* Test the power of 2 for overflow */ -if( w > MEXP ) - { - _SET_ERRNO (ERANGE); - mtherr( fname, OVERFLOW ); - return( MAXNUML ); - } - -if( w < MNEXP ) - { - _SET_ERRNO (ERANGE); - mtherr( fname, UNDERFLOW ); - return( 0.0L ); - } - -e = w; -Hb = H - Ha; - -if( Hb > 0.0L ) - { - e += 1; - Hb -= (1.0L/NXT); /*0.0625L;*/ - } - -/* Now the product y * log2(x) = Hb + e/NXT. - * - * Compute base 2 exponential of Hb, - * where -0.0625 <= Hb <= 0. - */ -z = Hb * polevll( Hb, R, 6 ); /* z = 2**Hb - 1 */ - -/* Express e/NXT as an integer plus a negative number of (1/NXT)ths. - * Find lookup table entry for the fractional power of 2. - */ -if( e < 0 ) - i = 0; -else - i = 1; -i = e/NXT + i; -e = NXT*i - e; -w = douba( e ); -z = w * z; /* 2**-e * ( 1 + (2**Hb-1) ) */ -z = z + w; -z = ldexpl( z, i ); /* multiply by integer power of 2 */ - -if( nflg ) - { -/* For negative x, - * find out if the integer exponent - * is odd or even. - */ - w = ldexpl( y, -1 ); - w = floorl(w); - w = ldexpl( w, 1 ); - if( w != y ) - z = -z; /* odd exponent */ - } - -return( z ); -} - -static __inline__ long double -__convert_inf_to_maxnum(long double x) -{ - if (isinf(x)) - return (x > 0.0L ? MAXNUML : -MAXNUML); - else - return x; -} - - -/* Find a multiple of 1/NXT that is within 1/NXT of x. */ -static __inline__ long double reducl(x) -long double x; -{ -long double t; - -/* If the call to ldexpl overflows, set it to MAXNUML. - This avoids Inf - Inf = Nan result when calculating the 'small' - part of a reduction. Instead, the small part becomes Inf, - causing under/overflow when adding it to the 'large' part. - There must be a cleaner way of doing this. */ -t = __convert_inf_to_maxnum (ldexpl( x, LNXT )); -t = floorl( t ); -t = ldexpl( t, -LNXT ); -return(t); -} diff --git a/winsup/mingw/mingwex/math/remainder.S b/winsup/mingw/mingwex/math/remainder.S deleted file mode 100644 index 01930d3ba..000000000 --- a/winsup/mingw/mingwex/math/remainder.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "remainder.S" - .text - .align 4 -.globl _remainder - .def _remainder; .scl 2; .type 32; .endef -_remainder: - fldl 12(%esp) - fldl 4(%esp) -1: fprem1 - fstsw %ax - sahf - jp 1b - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/remainderf.S b/winsup/mingw/mingwex/math/remainderf.S deleted file mode 100644 index 81e78415a..000000000 --- a/winsup/mingw/mingwex/math/remainderf.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "remainderf.S" - .text - .align 4 -.globl _remainder - .def _remainderf; .scl 2; .type 32; .endef -_remainderf: - flds 8(%esp) - flds 4(%esp) -1: fprem1 - fstsw %ax - sahf - jp 1b - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/remainderl.S b/winsup/mingw/mingwex/math/remainderl.S deleted file mode 100644 index b5ce3736d..000000000 --- a/winsup/mingw/mingwex/math/remainderl.S +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "remainderl.S" - .text - .align 4 -.globl _remainderl - .def _remainderl; .scl 2; .type 32; .endef -_remainderl: - fldt 16(%esp) - fldt 4(%esp) -1: fprem1 - fstsw %ax - sahf - jp 1b - fstp %st(1) - ret diff --git a/winsup/mingw/mingwex/math/remquo.S b/winsup/mingw/mingwex/math/remquo.S deleted file mode 100644 index 987c37ca5..000000000 --- a/winsup/mingw/mingwex/math/remquo.S +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Written by Ulrich Drepper <drepper@cygnus.com>. - * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>. - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.ne - * Public domain. - */ - - .file "remquo.S" - .text - .align 4; -.globl _remquo; -_remquo: - fldl 4 +8(%esp) - fldl 4(%esp) -1: fprem1 - fstsw %ax - sahf - jp 1b - fstp %st(1) - movl %eax, %ecx - shrl $8, %eax - shrl $12, %ecx - andl $4, %ecx - andl $3, %eax - orl %eax, %ecx - movl $0xef2960, %eax - shrl %cl, %eax - andl $3, %eax - movl 4 +8 +8(%esp), %ecx - movl 4 +4(%esp), %edx - xorl 4 +8 +4(%esp), %edx - testl $0x80000000, %edx - jz 1f - negl %eax -1: movl %eax, (%ecx) - - ret diff --git a/winsup/mingw/mingwex/math/remquof.S b/winsup/mingw/mingwex/math/remquof.S deleted file mode 100644 index af540ef5b..000000000 --- a/winsup/mingw/mingwex/math/remquof.S +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Written by Ulrich Drepper <drepper@cygnus.com>. - * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>. - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.ne - * Public domain. - */ - - .file "remquo.S" - .text - .align 4; -.globl _remquof; -_remquof: - flds 4 +4(%esp) - flds 4(%esp) -1: fprem1 - fstsw %ax - sahf - jp 1b - fstp %st(1) - movl %eax, %ecx - shrl $8, %eax - shrl $12, %ecx - andl $4, %ecx - andl $3, %eax - orl %eax, %ecx - movl $0xef2960, %eax - shrl %cl, %eax - andl $3, %eax - movl 4 +4 +4(%esp), %ecx - movl 4(%esp), %edx - xorl 4 +4(%esp), %edx - testl $0x80000000, %edx - jz 1f - negl %eax -1: movl %eax, (%ecx) - - ret diff --git a/winsup/mingw/mingwex/math/remquol.S b/winsup/mingw/mingwex/math/remquol.S deleted file mode 100644 index e6f1b5420..000000000 --- a/winsup/mingw/mingwex/math/remquol.S +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Written by Ulrich Drepper <drepper@cygnus.com>. - * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>. - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - * Public domain. - */ - .text - .align 4; -.globl _remquol; - _remquol: - fldt 4 +12(%esp) - fldt 4(%esp) -1: fprem1 - fstsw %ax - sahf - jp 1b - fstp %st(1) - movl %eax, %ecx - shrl $8, %eax - shrl $12, %ecx - andl $4, %ecx - andl $3, %eax - orl %eax, %ecx - movl $0xef2960, %eax - shrl %cl, %eax - andl $3, %eax - movl 4 +12 +12(%esp), %ecx - movl 4 +8(%esp), %edx - xorl 4 +12 +8(%esp), %edx - testl $0x8000, %edx - jz 1f - negl %eax -1: movl %eax, (%ecx) - - ret diff --git a/winsup/mingw/mingwex/math/rint.c b/winsup/mingw/mingwex/math/rint.c deleted file mode 100644 index 3198f4b26..000000000 --- a/winsup/mingw/mingwex/math/rint.c +++ /dev/null @@ -1,6 +0,0 @@ -#include <math.h> -double rint (double x){ - double retval; - __asm__ ("frndint;" : "=t" (retval) : "0" (x)); - return retval; -} diff --git a/winsup/mingw/mingwex/math/rintf.c b/winsup/mingw/mingwex/math/rintf.c deleted file mode 100644 index 0b05e8f89..000000000 --- a/winsup/mingw/mingwex/math/rintf.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -float rintf (float x){ - float retval; - __asm__ ("frndint;": "=t" (retval) : "0" (x)); - return retval; -} diff --git a/winsup/mingw/mingwex/math/rintl.c b/winsup/mingw/mingwex/math/rintl.c deleted file mode 100644 index ffc9d1107..000000000 --- a/winsup/mingw/mingwex/math/rintl.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <math.h> - -long double rintl (long double x){ - long double retval; - __asm__ ("frndint;": "=t" (retval) : "0" (x)); - return retval; -} diff --git a/winsup/mingw/mingwex/math/round.c b/winsup/mingw/mingwex/math/round.c deleted file mode 100644 index d2d4cab5e..000000000 --- a/winsup/mingw/mingwex/math/round.c +++ /dev/null @@ -1,8 +0,0 @@ -#include <math.h> - -double -round (double x) -{ - /* Add +/- 0.5 then then round towards zero. */ - return trunc ( x + (x >= 0.0 ? 0.5 : -0.5)); -} diff --git a/winsup/mingw/mingwex/math/roundf.c b/winsup/mingw/mingwex/math/roundf.c deleted file mode 100644 index b50d950a7..000000000 --- a/winsup/mingw/mingwex/math/roundf.c +++ /dev/null @@ -1,8 +0,0 @@ -#include <math.h> - -float -roundf (float x) -{ - /* Add +/- 0.5 then then round towards zero. */ - return truncf ( x + (x >= 0.0F ? 0.5F : -0.5F)); -} diff --git a/winsup/mingw/mingwex/math/roundl.c b/winsup/mingw/mingwex/math/roundl.c deleted file mode 100644 index 9c5f0aca1..000000000 --- a/winsup/mingw/mingwex/math/roundl.c +++ /dev/null @@ -1,8 +0,0 @@ -#include <math.h> - -long double -roundl (long double x) -{ - /* Add +/- 0.5 then then round towards zero. */ - return truncl ( x + (x >= 0.0L ? 0.5L : -0.5L)); -} diff --git a/winsup/mingw/mingwex/math/s_erf.c b/winsup/mingw/mingwex/math/s_erf.c deleted file mode 100644 index 3cba24dd2..000000000 --- a/winsup/mingw/mingwex/math/s_erf.c +++ /dev/null @@ -1,345 +0,0 @@ - -/* @(#)s_erf.c 1.3 95/01/18 */ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunSoft, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* double erf(double x) - * double erfc(double x) - * x - * 2 |\ - * erf(x) = --------- | exp(-t*t)dt - * sqrt(pi) \| - * 0 - * - * erfc(x) = 1-erf(x) - * Note that - * erf(-x) = -erf(x) - * erfc(-x) = 2 - erfc(x) - * - * Method: - * 1. For |x| in [0, 0.84375] - * erf(x) = x + x*R(x^2) - * erfc(x) = 1 - erf(x) if x in [-.84375,0.25] - * = 0.5 + ((0.5-x)-x*R) if x in [0.25,0.84375] - * where R = P/Q where P is an odd poly of degree 8 and - * Q is an odd poly of degree 10. - * -57.90 - * | R - (erf(x)-x)/x | <= 2 - * - * - * Remark. The formula is derived by noting - * erf(x) = (2/sqrt(pi))*(x - x^3/3 + x^5/10 - x^7/42 + ....) - * and that - * 2/sqrt(pi) = 1.128379167095512573896158903121545171688 - * is close to one. The interval is chosen because the fix - * point of erf(x) is near 0.6174 (i.e., erf(x)=x when x is - * near 0.6174), and by some experiment, 0.84375 is chosen to - * guarantee the error is less than one ulp for erf. - * - * 2. For |x| in [0.84375,1.25], let s = |x| - 1, and - * c = 0.84506291151 rounded to single (24 bits) - * erf(x) = sign(x) * (c + P1(s)/Q1(s)) - * erfc(x) = (1-c) - P1(s)/Q1(s) if x > 0 - * 1+(c+P1(s)/Q1(s)) if x < 0 - * |P1/Q1 - (erf(|x|)-c)| <= 2**-59.06 - * Remark: here we use the taylor series expansion at x=1. - * erf(1+s) = erf(1) + s*Poly(s) - * = 0.845.. + P1(s)/Q1(s) - * That is, we use rational approximation to approximate - * erf(1+s) - (c = (single)0.84506291151) - * Note that |P1/Q1|< 0.078 for x in [0.84375,1.25] - * where - * P1(s) = degree 6 poly in s - * Q1(s) = degree 6 poly in s - * - * 3. For x in [1.25,1/0.35(~2.857143)], - * erfc(x) = (1/x)*exp(-x*x-0.5625+R1/S1) - * erf(x) = 1 - erfc(x) - * where - * R1(z) = degree 7 poly in z, (z=1/x^2) - * S1(z) = degree 8 poly in z - * - * 4. For x in [1/0.35,28] - * erfc(x) = (1/x)*exp(-x*x-0.5625+R2/S2) if x > 0 - * = 2.0 - (1/x)*exp(-x*x-0.5625+R2/S2) if -6<x<0 - * = 2.0 - tiny (if x <= -6) - * erf(x) = sign(x)*(1.0 - erfc(x)) if x < 6, else - * erf(x) = sign(x)*(1.0 - tiny) - * where - * R2(z) = degree 6 poly in z, (z=1/x^2) - * S2(z) = degree 7 poly in z - * - * Note1: - * To compute exp(-x*x-0.5625+R/S), let s be a single - * precision number and s := x; then - * -x*x = -s*s + (s-x)*(s+x) - * exp(-x*x-0.5626+R/S) = - * exp(-s*s-0.5625)*exp((s-x)*(s+x)+R/S); - * Note2: - * Here 4 and 5 make use of the asymptotic series - * exp(-x*x) - * erfc(x) ~ ---------- * ( 1 + Poly(1/x^2) ) - * x*sqrt(pi) - * We use rational approximation to approximate - * g(s)=f(1/x^2) = log(erfc(x)*x) - x*x + 0.5625 - * Here is the error bound for R1/S1 and R2/S2 - * |R1/S1 - f(x)| < 2**(-62.57) - * |R2/S2 - f(x)| < 2**(-61.52) - * - * 5. For inf > x >= 28 - * erf(x) = sign(x) *(1 - tiny) (raise inexact) - * erfc(x) = tiny*tiny (raise underflow) if x > 0 - * = 2 - tiny if x<0 - * - * 7. Special case: - * erf(0) = 0, erf(inf) = 1, erf(-inf) = -1, - * erfc(0) = 1, erfc(inf) = 0, erfc(-inf) = 2, - * erfc/erf(NaN) is NaN - */ - - -/* #include "fdlibm.h" */ - -#include <math.h> -#include <stdint.h> -#include <errno.h> - -#define __ieee754_exp exp - -typedef union -{ - double value; - struct - { - uint32_t lsw; - uint32_t msw; - } parts; -} ieee_double_shape_type; - - -static inline int __get_hi_word(const double x) -{ - ieee_double_shape_type u; - u.value = x; - return u.parts.msw; -} - -static inline void __trunc_lo_word(double *x) -{ - ieee_double_shape_type u; - u.value = *x; - u.parts.lsw = 0; - *x = u.value; -} - - -#ifdef __STDC__ -static const double -#else -static double -#endif -tiny = 1e-300, -half= 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */ -one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */ -two = 2.00000000000000000000e+00, /* 0x40000000, 0x00000000 */ - /* c = (float)0.84506291151 */ -erx = 8.45062911510467529297e-01, /* 0x3FEB0AC1, 0x60000000 */ -/* - * Coefficients for approximation to erf on [0,0.84375] - */ -efx = 1.28379167095512586316e-01, /* 0x3FC06EBA, 0x8214DB69 */ -efx8= 1.02703333676410069053e+00, /* 0x3FF06EBA, 0x8214DB69 */ -pp0 = 1.28379167095512558561e-01, /* 0x3FC06EBA, 0x8214DB68 */ -pp1 = -3.25042107247001499370e-01, /* 0xBFD4CD7D, 0x691CB913 */ -pp2 = -2.84817495755985104766e-02, /* 0xBF9D2A51, 0xDBD7194F */ -pp3 = -5.77027029648944159157e-03, /* 0xBF77A291, 0x236668E4 */ -pp4 = -2.37630166566501626084e-05, /* 0xBEF8EAD6, 0x120016AC */ -qq1 = 3.97917223959155352819e-01, /* 0x3FD97779, 0xCDDADC09 */ -qq2 = 6.50222499887672944485e-02, /* 0x3FB0A54C, 0x5536CEBA */ -qq3 = 5.08130628187576562776e-03, /* 0x3F74D022, 0xC4D36B0F */ -qq4 = 1.32494738004321644526e-04, /* 0x3F215DC9, 0x221C1A10 */ -qq5 = -3.96022827877536812320e-06, /* 0xBED09C43, 0x42A26120 */ -/* - * Coefficients for approximation to erf in [0.84375,1.25] - */ -pa0 = -2.36211856075265944077e-03, /* 0xBF6359B8, 0xBEF77538 */ -pa1 = 4.14856118683748331666e-01, /* 0x3FDA8D00, 0xAD92B34D */ -pa2 = -3.72207876035701323847e-01, /* 0xBFD7D240, 0xFBB8C3F1 */ -pa3 = 3.18346619901161753674e-01, /* 0x3FD45FCA, 0x805120E4 */ -pa4 = -1.10894694282396677476e-01, /* 0xBFBC6398, 0x3D3E28EC */ -pa5 = 3.54783043256182359371e-02, /* 0x3FA22A36, 0x599795EB */ -pa6 = -2.16637559486879084300e-03, /* 0xBF61BF38, 0x0A96073F */ -qa1 = 1.06420880400844228286e-01, /* 0x3FBB3E66, 0x18EEE323 */ -qa2 = 5.40397917702171048937e-01, /* 0x3FE14AF0, 0x92EB6F33 */ -qa3 = 7.18286544141962662868e-02, /* 0x3FB2635C, 0xD99FE9A7 */ -qa4 = 1.26171219808761642112e-01, /* 0x3FC02660, 0xE763351F */ -qa5 = 1.36370839120290507362e-02, /* 0x3F8BEDC2, 0x6B51DD1C */ -qa6 = 1.19844998467991074170e-02, /* 0x3F888B54, 0x5735151D */ -/* - * Coefficients for approximation to erfc in [1.25,1/0.35] - */ -ra0 = -9.86494403484714822705e-03, /* 0xBF843412, 0x600D6435 */ -ra1 = -6.93858572707181764372e-01, /* 0xBFE63416, 0xE4BA7360 */ -ra2 = -1.05586262253232909814e+01, /* 0xC0251E04, 0x41B0E726 */ -ra3 = -6.23753324503260060396e+01, /* 0xC04F300A, 0xE4CBA38D */ -ra4 = -1.62396669462573470355e+02, /* 0xC0644CB1, 0x84282266 */ -ra5 = -1.84605092906711035994e+02, /* 0xC067135C, 0xEBCCABB2 */ -ra6 = -8.12874355063065934246e+01, /* 0xC0545265, 0x57E4D2F2 */ -ra7 = -9.81432934416914548592e+00, /* 0xC023A0EF, 0xC69AC25C */ -sa1 = 1.96512716674392571292e+01, /* 0x4033A6B9, 0xBD707687 */ -sa2 = 1.37657754143519042600e+02, /* 0x4061350C, 0x526AE721 */ -sa3 = 4.34565877475229228821e+02, /* 0x407B290D, 0xD58A1A71 */ -sa4 = 6.45387271733267880336e+02, /* 0x40842B19, 0x21EC2868 */ -sa5 = 4.29008140027567833386e+02, /* 0x407AD021, 0x57700314 */ -sa6 = 1.08635005541779435134e+02, /* 0x405B28A3, 0xEE48AE2C */ -sa7 = 6.57024977031928170135e+00, /* 0x401A47EF, 0x8E484A93 */ -sa8 = -6.04244152148580987438e-02, /* 0xBFAEEFF2, 0xEE749A62 */ -/* - * Coefficients for approximation to erfc in [1/.35,28] - */ -rb0 = -9.86494292470009928597e-03, /* 0xBF843412, 0x39E86F4A */ -rb1 = -7.99283237680523006574e-01, /* 0xBFE993BA, 0x70C285DE */ -rb2 = -1.77579549177547519889e+01, /* 0xC031C209, 0x555F995A */ -rb3 = -1.60636384855821916062e+02, /* 0xC064145D, 0x43C5ED98 */ -rb4 = -6.37566443368389627722e+02, /* 0xC083EC88, 0x1375F228 */ -rb5 = -1.02509513161107724954e+03, /* 0xC0900461, 0x6A2E5992 */ -rb6 = -4.83519191608651397019e+02, /* 0xC07E384E, 0x9BDC383F */ -sb1 = 3.03380607434824582924e+01, /* 0x403E568B, 0x261D5190 */ -sb2 = 3.25792512996573918826e+02, /* 0x40745CAE, 0x221B9F0A */ -sb3 = 1.53672958608443695994e+03, /* 0x409802EB, 0x189D5118 */ -sb4 = 3.19985821950859553908e+03, /* 0x40A8FFB7, 0x688C246A */ -sb5 = 2.55305040643316442583e+03, /* 0x40A3F219, 0xCEDF3BE6 */ -sb6 = 4.74528541206955367215e+02, /* 0x407DA874, 0xE79FE763 */ -sb7 = -2.24409524465858183362e+01; /* 0xC03670E2, 0x42712D62 */ - -#ifdef __STDC__ - double erf(double x) -#else - double erf(x) - double x; -#endif -{ - int hx,ix,i; - double R,S,P,Q,s,y,z,r; - hx = __get_hi_word(x); - ix = hx&0x7fffffff; - if(ix>=0x7ff00000) { /* erf(nan)=nan */ - i = ((unsigned)hx>>31)<<1; - return (double)(1-i)+one/x; /* erf(+-inf)=+-1 */ - } - - if(ix < 0x3feb0000) { /* |x|<0.84375 */ - if(ix < 0x3e300000) { /* |x|<2**-28 */ - if (ix < 0x00800000) - return 0.125*(8.0*x+efx8*x); /*avoid underflow */ - return x + efx*x; - } - z = x*x; - r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); - s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); - y = r/s; - return x + x*y; - } - if(ix < 0x3ff40000) { /* 0.84375 <= |x| < 1.25 */ - s = fabs(x)-one; - P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6))))); - Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); - if(hx>=0) return erx + P/Q; else return -erx - P/Q; - } - if (ix >= 0x40180000) { /* inf>|x|>=6 */ - if(hx>=0) return one-tiny; else return tiny-one; - } - x = fabs(x); - s = one/(x*x); - if(ix< 0x4006DB6E) { /* |x| < 1/0.35 */ - R=ra0+s*(ra1+s*(ra2+s*(ra3+s*(ra4+s*( - ra5+s*(ra6+s*ra7)))))); - S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( - sa5+s*(sa6+s*(sa7+s*sa8))))))); - } else { /* |x| >= 1/0.35 */ - R=rb0+s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*( - rb5+s*rb6))))); - S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( - sb5+s*(sb6+s*sb7)))))); - } - z = x; - __trunc_lo_word(&z); - r = __ieee754_exp(-z*z-0.5625)*__ieee754_exp((z-x)*(z+x)+R/S); - if(hx>=0) return one-r/x; else return r/x-one; -} - -#ifdef __STDC__ - double erfc(double x) -#else - double erfc(x) - double x; -#endif -{ - int hx,ix; - double R,S,P,Q,s,y,z,r; - hx = __get_hi_word(x); - ix = hx&0x7fffffff; - if(ix>=0x7ff00000) { /* erfc(nan)=nan */ - /* erfc(+-inf)=0,2 */ - return (double)(((unsigned)hx>>31)<<1)+one/x; - } - - if(ix < 0x3feb0000) { /* |x|<0.84375 */ - if(ix < 0x3c700000) /* |x|<2**-56 */ - return one-x; - z = x*x; - r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); - s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); - y = r/s; - if(hx < 0x3fd00000) { /* x<1/4 */ - return one-(x+x*y); - } else { - r = x*y; - r += (x-half); - return half - r ; - } - } - if(ix < 0x3ff40000) { /* 0.84375 <= |x| < 1.25 */ - s = fabs(x)-one; - P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6))))); - Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); - if(hx>=0) { - z = one-erx; return z - P/Q; - } else { - z = erx+P/Q; return one+z; - } - } - if (ix < 0x403c0000) { /* |x|<28 */ - x = fabs(x); - s = one/(x*x); - if(ix< 0x4006DB6D) { /* |x| < 1/.35 ~ 2.857143*/ - R=ra0+s*(ra1+s*(ra2+s*(ra3+s*(ra4+s*( - ra5+s*(ra6+s*ra7)))))); - S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( - sa5+s*(sa6+s*(sa7+s*sa8))))))); - } else { /* |x| >= 1/.35 ~ 2.857143 */ - if(hx<0&&ix>=0x40180000) return two-tiny;/* x < -6 */ - R=rb0+s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*( - rb5+s*rb6))))); - S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( - sb5+s*(sb6+s*sb7)))))); - } - z = x; - __trunc_lo_word(&z); - r = __ieee754_exp(-z*z-0.5625)* - __ieee754_exp((z-x)*(z+x)+R/S); - if(hx>0) return r/x; else return two-r/x; - } else { - /* set range error */ - errno = ERANGE; - if(hx>0) return tiny*tiny; else return two-tiny; - } -} diff --git a/winsup/mingw/mingwex/math/scalbn.S b/winsup/mingw/mingwex/math/scalbn.S deleted file mode 100644 index 76e2d396e..000000000 --- a/winsup/mingw/mingwex/math/scalbn.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "scalbn.S" - .text - .align 4 -.globl _scalbn - .def _scalbn; .scl 2; .type 32; .endef -_scalbn: - fildl 12(%esp) - fldl 4(%esp) - fscale - fstp %st(1) - ret - -.globl _scalbln - .set _scalbln,_scalbn diff --git a/winsup/mingw/mingwex/math/scalbnf.S b/winsup/mingw/mingwex/math/scalbnf.S deleted file mode 100644 index 1fe42a3de..000000000 --- a/winsup/mingw/mingwex/math/scalbnf.S +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - - .file "scalbnf.S" - .text - .align 4 -.globl _scalbnf - .def _scalbnf; .scl 2; .type 32; .endef -_scalbnf: - fildl 8(%esp) - flds 4(%esp) - fscale - fstp %st(1) - ret - -.globl _scalblnf - .set _scalblnf,_scalbnf diff --git a/winsup/mingw/mingwex/math/scalbnl.S b/winsup/mingw/mingwex/math/scalbnl.S deleted file mode 100644 index 77eaff7be..000000000 --- a/winsup/mingw/mingwex/math/scalbnl.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Changes for long double by Ulrich Drepper <drepper@cygnus.com> - * Public domain. - */ - - .file "scalbnl.S" - .text - .align 4 -.globl _scalbnl - .def _scalbnl; .scl 2; .type 32; .endef -_scalbnl: - fildl 16(%esp) - fldt 4(%esp) - fscale - fstp %st(1) - ret - -.globl _scalblnl - .set _scalblnl,_scalbnl diff --git a/winsup/mingw/mingwex/math/sf_erf.c b/winsup/mingw/mingwex/math/sf_erf.c deleted file mode 100644 index 2188539a7..000000000 --- a/winsup/mingw/mingwex/math/sf_erf.c +++ /dev/null @@ -1,267 +0,0 @@ -/* sf_erf.c -- float version of s_erf.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* -#include "fdlibm.h" -*/ -#include <math.h> -#include <stdint.h> -#include <errno.h> - -#define __ieee754_expf expf - - - -typedef union -{ - float value; - uint32_t word; -} ieee_float_shape_type; - -/* Get a 32 bit int from a float. */ - -static inline int -__get_float_word(float d) -{ - ieee_float_shape_type u; - u.value = d; - return u.word; -} - -/* Set a float from a 32 bit int. */ - -#define SET_FLOAT_WORD(d,i) \ -do { \ - ieee_float_shape_type sf_u; \ - sf_u.word = (i); \ - (d) = sf_u.value; \ -} while (0) - -static inline void __trunc_float_word(float * x) -{ - ieee_float_shape_type u; - u.value = * x; - u.word &= 0xfffff000; -} - -#ifdef __v810__ -#define const -#endif - -#ifdef __STDC__ -static const float -#else -static float -#endif -tiny = 1e-30, -half= 5.0000000000e-01, /* 0x3F000000 */ -one = 1.0000000000e+00, /* 0x3F800000 */ -two = 2.0000000000e+00, /* 0x40000000 */ - /* c = (subfloat)0.84506291151 */ -erx = 8.4506291151e-01, /* 0x3f58560b */ -/* - * Coefficients for approximation to erf on [0,0.84375] - */ -efx = 1.2837916613e-01, /* 0x3e0375d4 */ -efx8= 1.0270333290e+00, /* 0x3f8375d4 */ -pp0 = 1.2837916613e-01, /* 0x3e0375d4 */ -pp1 = -3.2504209876e-01, /* 0xbea66beb */ -pp2 = -2.8481749818e-02, /* 0xbce9528f */ -pp3 = -5.7702702470e-03, /* 0xbbbd1489 */ -pp4 = -2.3763017452e-05, /* 0xb7c756b1 */ -qq1 = 3.9791721106e-01, /* 0x3ecbbbce */ -qq2 = 6.5022252500e-02, /* 0x3d852a63 */ -qq3 = 5.0813062117e-03, /* 0x3ba68116 */ -qq4 = 1.3249473704e-04, /* 0x390aee49 */ -qq5 = -3.9602282413e-06, /* 0xb684e21a */ -/* - * Coefficients for approximation to erf in [0.84375,1.25] - */ -pa0 = -2.3621185683e-03, /* 0xbb1acdc6 */ -pa1 = 4.1485610604e-01, /* 0x3ed46805 */ -pa2 = -3.7220788002e-01, /* 0xbebe9208 */ -pa3 = 3.1834661961e-01, /* 0x3ea2fe54 */ -pa4 = -1.1089469492e-01, /* 0xbde31cc2 */ -pa5 = 3.5478305072e-02, /* 0x3d1151b3 */ -pa6 = -2.1663755178e-03, /* 0xbb0df9c0 */ -qa1 = 1.0642088205e-01, /* 0x3dd9f331 */ -qa2 = 5.4039794207e-01, /* 0x3f0a5785 */ -qa3 = 7.1828655899e-02, /* 0x3d931ae7 */ -qa4 = 1.2617121637e-01, /* 0x3e013307 */ -qa5 = 1.3637083583e-02, /* 0x3c5f6e13 */ -qa6 = 1.1984500103e-02, /* 0x3c445aa3 */ -/* - * Coefficients for approximation to erfc in [1.25,1/0.35] - */ -ra0 = -9.8649440333e-03, /* 0xbc21a093 */ -ra1 = -6.9385856390e-01, /* 0xbf31a0b7 */ -ra2 = -1.0558626175e+01, /* 0xc128f022 */ -ra3 = -6.2375331879e+01, /* 0xc2798057 */ -ra4 = -1.6239666748e+02, /* 0xc322658c */ -ra5 = -1.8460508728e+02, /* 0xc3389ae7 */ -ra6 = -8.1287437439e+01, /* 0xc2a2932b */ -ra7 = -9.8143291473e+00, /* 0xc11d077e */ -sa1 = 1.9651271820e+01, /* 0x419d35ce */ -sa2 = 1.3765776062e+02, /* 0x4309a863 */ -sa3 = 4.3456588745e+02, /* 0x43d9486f */ -sa4 = 6.4538726807e+02, /* 0x442158c9 */ -sa5 = 4.2900814819e+02, /* 0x43d6810b */ -sa6 = 1.0863500214e+02, /* 0x42d9451f */ -sa7 = 6.5702495575e+00, /* 0x40d23f7c */ -sa8 = -6.0424413532e-02, /* 0xbd777f97 */ -/* - * Coefficients for approximation to erfc in [1/.35,28] - */ -rb0 = -9.8649431020e-03, /* 0xbc21a092 */ -rb1 = -7.9928326607e-01, /* 0xbf4c9dd4 */ -rb2 = -1.7757955551e+01, /* 0xc18e104b */ -rb3 = -1.6063638306e+02, /* 0xc320a2ea */ -rb4 = -6.3756646729e+02, /* 0xc41f6441 */ -rb5 = -1.0250950928e+03, /* 0xc480230b */ -rb6 = -4.8351919556e+02, /* 0xc3f1c275 */ -sb1 = 3.0338060379e+01, /* 0x41f2b459 */ -sb2 = 3.2579251099e+02, /* 0x43a2e571 */ -sb3 = 1.5367296143e+03, /* 0x44c01759 */ -sb4 = 3.1998581543e+03, /* 0x4547fdbb */ -sb5 = 2.5530502930e+03, /* 0x451f90ce */ -sb6 = 4.7452853394e+02, /* 0x43ed43a7 */ -sb7 = -2.2440952301e+01; /* 0xc1b38712 */ - -#ifdef __STDC__ - float erff(float x) -#else - float erff(x) - float x; -#endif -{ - int32_t hx,ix,i; - float R,S,P,Q,s,y,z,r; - hx = __get_float_word(x); - ix = hx&0x7fffffff; - if(!(ix<0x7f800000L)) { /* erf(nan)=nan */ - i = ((uint32_t)hx>>31)<<1; - return (float)(1-i)+one/x; /* erf(+-inf)=+-1 */ - } - - if(ix < 0x3f580000) { /* |x|<0.84375 */ - if(ix < 0x31800000) { /* |x|<2**-28 */ - if (ix < 0x04000000) - /*avoid underflow */ - return (float)0.125*((float)8.0*x+efx8*x); - return x + efx*x; - } - z = x*x; - r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); - s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); - y = r/s; - return x + x*y; - } - if(ix < 0x3fa00000) { /* 0.84375 <= |x| < 1.25 */ - s = fabsf(x)-one; - P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6))))); - Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); - if(hx>=0) return erx + P/Q; else return -erx - P/Q; - } - if (ix >= 0x40c00000) { /* inf>|x|>=6 */ - if(hx>=0) return one-tiny; else return tiny-one; - } - x = fabsf(x); - s = one/(x*x); - if(ix< 0x4036DB6E) { /* |x| < 1/0.35 */ - R=ra0+s*(ra1+s*(ra2+s*(ra3+s*(ra4+s*( - ra5+s*(ra6+s*ra7)))))); - S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( - sa5+s*(sa6+s*(sa7+s*sa8))))))); - } else { /* |x| >= 1/0.35 */ - R=rb0+s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*( - rb5+s*rb6))))); - S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( - sb5+s*(sb6+s*sb7)))))); - } - - z = x; - __trunc_float_word (&z); - r = __ieee754_expf(-z*z-(float)0.5625)*__ieee754_expf((z-x)*(z+x)+R/S); - if(hx>=0) return one-r/x; else return r/x-one; -} - -#ifdef __STDC__ - float erfcf(float x) -#else - float erfcf(x) - float x; -#endif -{ - int32_t hx,ix; - float R,S,P,Q,s,y,z,r; - hx = __get_float_word(x); - ix = hx&0x7fffffff; - if(!(ix<0x7f800000L)) { /* erfc(nan)=nan */ - /* erfc(+-inf)=0,2 */ - return (float)(((uint32_t)hx>>31)<<1)+one/x; - } - - if(ix < 0x3f580000) { /* |x|<0.84375 */ - if(ix < 0x23800000) /* |x|<2**-56 */ - return one-x; - z = x*x; - r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); - s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); - y = r/s; - if(hx < 0x3e800000) { /* x<1/4 */ - return one-(x+x*y); - } else { - r = x*y; - r += (x-half); - return half - r ; - } - } - if(ix < 0x3fa00000) { /* 0.84375 <= |x| < 1.25 */ - s = fabsf(x)-one; - P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6))))); - Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); - if(hx>=0) { - z = one-erx; return z - P/Q; - } else { - z = erx+P/Q; return one+z; - } - } - - if (ix < 0x41e00000) { /* |x|<28 */ - x = fabsf(x); - s = one/(x*x); - if(ix< 0x4036DB6D) { /* |x| < 1/.35 ~ 2.857143*/ - R=ra0+s*(ra1+s*(ra2+s*(ra3+s*(ra4+s*( - ra5+s*(ra6+s*ra7)))))); - S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( - sa5+s*(sa6+s*(sa7+s*sa8))))))); - } else { /* |x| >= 1/.35 ~ 2.857143 */ - if(hx<0&&ix>=0x40c00000) return two-tiny;/* x < -6 */ - R=rb0+s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*( - rb5+s*rb6))))); - S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( - sb5+s*(sb6+s*sb7)))))); - } - z = x; - __trunc_float_word (&z); - r = __ieee754_expf(-z*z-(float)0.5625)* - __ieee754_expf((z-x)*(z+x)+R/S); - if(hx>0) return r/x; else return two-r/x; - } else { - /* set range error */ - errno = ERANGE; - if(hx>0) return tiny*tiny; else return two-tiny; - } -} diff --git a/winsup/mingw/mingwex/math/signbit.c b/winsup/mingw/mingwex/math/signbit.c deleted file mode 100644 index 997ddf86b..000000000 --- a/winsup/mingw/mingwex/math/signbit.c +++ /dev/null @@ -1,13 +0,0 @@ -#define __FP_SIGNBIT 0x0200 - -int __signbit (double x) { - unsigned short sw; - __asm__ ("fxam; fstsw %%ax;" - : "=a" (sw) - : "t" (x) ); - return (sw & __FP_SIGNBIT) != 0; -} - -#undef signbit -int __attribute__ ((alias ("__signbit"))) signbit (double); - diff --git a/winsup/mingw/mingwex/math/signbitf.c b/winsup/mingw/mingwex/math/signbitf.c deleted file mode 100644 index 1c96b9f80..000000000 --- a/winsup/mingw/mingwex/math/signbitf.c +++ /dev/null @@ -1,10 +0,0 @@ -#define __FP_SIGNBIT 0x0200 - -int __signbitf (float x) { - unsigned short sw; - __asm__ ("fxam; fstsw %%ax;" - : "=a" (sw) - : "t" (x) ); - return (sw & __FP_SIGNBIT) != 0; -} -int __attribute__ ((alias ("__signbitf"))) signbitf (float); diff --git a/winsup/mingw/mingwex/math/signbitl.c b/winsup/mingw/mingwex/math/signbitl.c deleted file mode 100644 index 8b7bca5b3..000000000 --- a/winsup/mingw/mingwex/math/signbitl.c +++ /dev/null @@ -1,11 +0,0 @@ -#define __FP_SIGNBIT 0x0200 - -int __signbitl (long double x) { - unsigned short sw; - __asm__ ("fxam; fstsw %%ax;" - : "=a" (sw) - : "t" (x) ); - return (sw & __FP_SIGNBIT) != 0; -} - -int __attribute__ ((alias ("__signbitl"))) signbitl (long double); diff --git a/winsup/mingw/mingwex/math/sinf.S b/winsup/mingw/mingwex/math/sinf.S deleted file mode 100644 index 23e986d11..000000000 --- a/winsup/mingw/mingwex/math/sinf.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "sinf.S" - .text - .align 4 -.globl _sinf - .def _sinf; .scl 2; .type 32; .endef -_sinf: - flds 4(%esp) - fsin - fnstsw %ax - testl $0x400,%eax - jnz 1f - ret -1: fldpi - fadd %st(0) - fxch %st(1) -2: fprem1 - fnstsw %ax - testl $0x400,%eax - jnz 2b - fstp %st(1) - fsin - ret diff --git a/winsup/mingw/mingwex/math/sinhf.c b/winsup/mingw/mingwex/math/sinhf.c deleted file mode 100644 index 3d6bcff41..000000000 --- a/winsup/mingw/mingwex/math/sinhf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float sinhf (float x) - {return (float) sinh (x);} diff --git a/winsup/mingw/mingwex/math/sinhl.c b/winsup/mingw/mingwex/math/sinhl.c deleted file mode 100644 index ca6a370b9..000000000 --- a/winsup/mingw/mingwex/math/sinhl.c +++ /dev/null @@ -1,172 +0,0 @@ -/* sinhl.c - * - * Hyperbolic sine, long double precision - * - * - * - * SYNOPSIS: - * - * long double x, y, sinhl(); - * - * y = sinhl( x ); - * - * - * - * DESCRIPTION: - * - * Returns hyperbolic sine of argument in the range MINLOGL to - * MAXLOGL. - * - * The range is partitioned into two segments. If |x| <= 1, a - * rational function of the form x + x**3 P(x)/Q(x) is employed. - * Otherwise the calculation is sinh(x) = ( exp(x) - exp(-x) )/2. - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE -2,2 10000 1.5e-19 3.9e-20 - * IEEE +-10000 30000 1.1e-19 2.8e-20 - * - */ - -/* -Cephes Math Library Release 2.7: January, 1998 -Copyright 1984, 1991, 1998 by Stephen L. Moshier -*/ - -/* -Modified for mingw -2002-07-22 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -#endif - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - -#ifdef UNK -static long double P[] = { - 1.7550769032975377032681E-6L, - 4.1680702175874268714539E-4L, - 3.0993532520425419002409E-2L, - 9.9999999999999999998002E-1L, -}; -static long double Q[] = { - 1.7453965448620151484660E-8L, --5.9116673682651952419571E-6L, - 1.0599252315677389339530E-3L, --1.1403880487744749056675E-1L, - 6.0000000000000000000200E0L, -}; -#endif - -#ifdef IBMPC -static const unsigned short P[] = { -0xec6a,0xd942,0xfbb3,0xeb8f,0x3feb, XPD -0x365e,0xb30a,0xe437,0xda86,0x3ff3, XPD -0x8890,0x01f6,0x2612,0xfde6,0x3ff9, XPD -0x0000,0x0000,0x0000,0x8000,0x3fff, XPD -}; -static const unsigned short Q[] = { -0x4edd,0x4c21,0xad09,0x95ed,0x3fe5, XPD -0x4376,0x9b70,0xd605,0xc65c,0xbfed, XPD -0xc8ad,0x5d21,0x3069,0x8aed,0x3ff5, XPD -0x9c32,0x6374,0x2d4b,0xe98d,0xbffb, XPD -0x0000,0x0000,0x0000,0xc000,0x4001, XPD -}; -#endif - -#ifdef MIEEE -static long P[] = { -0x3feb0000,0xeb8ffbb3,0xd942ec6a, -0x3ff30000,0xda86e437,0xb30a365e, -0x3ff90000,0xfde62612,0x01f68890, -0x3fff0000,0x80000000,0x00000000, -}; -static long Q[] = { -0x3fe50000,0x95edad09,0x4c214edd, -0xbfed0000,0xc65cd605,0x9b704376, -0x3ff50000,0x8aed3069,0x5d21c8ad, -0xbffb0000,0xe98d2d4b,0x63749c32, -0x40010000,0xc0000000,0x00000000, -}; -#endif - -#ifndef __MINGW32__ -extern long double MAXNUML, MAXLOGL, MINLOGL, LOGE2L; -#ifdef ANSIPROT -extern long double fabsl ( long double ); -extern long double expl ( long double ); -extern long double polevll ( long double, void *, int ); -extern long double p1evll ( long double, void *, int ); -#else -long double fabsl(), expl(), polevll(), p1evll(); -#endif -#ifdef INFINITIES -extern long double INFINITYL; -#endif -#ifdef NANS -extern long double NANL; -#endif -#endif /* __MINGW32__ */ - -long double sinhl(x) -long double x; -{ -long double a; - -#ifdef MINUSZERO -if( x == 0.0 ) - return(x); -#endif -#ifdef NANS -if (isnanl(x)) - { - _SET_ERRNO(EDOM); - } -#endif -a = fabsl(x); -if( (x > (MAXLOGL + LOGE2L)) || (x > -(MINLOGL-LOGE2L) ) ) - { - mtherr( "sinhl", DOMAIN ); - _SET_ERRNO(ERANGE); -#ifdef INFINITIES - if( x > 0.0L ) - return( INFINITYL ); - else - return( -INFINITYL ); -#else - if( x > 0.0L ) - return( MAXNUML ); - else - return( -MAXNUML ); -#endif - } -if( a > 1.0L ) - { - if( a >= (MAXLOGL - LOGE2L) ) - { - a = expl(0.5L*a); - a = (0.5L * a) * a; - if( x < 0.0L ) - a = -a; - return(a); - } - a = expl(a); - a = 0.5L*a - (0.5L/a); - if( x < 0.0L ) - a = -a; - return(a); - } - -a *= a; -return( x + x * a * (polevll(a,P,3)/polevll(a,Q,4)) ); -} diff --git a/winsup/mingw/mingwex/math/sinl.S b/winsup/mingw/mingwex/math/sinl.S deleted file mode 100644 index 16b2d9e50..000000000 --- a/winsup/mingw/mingwex/math/sinl.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - .file "sinl.S" - .text - .align 4 -.globl _sinl - .def _sinl; .scl 2; .type 32; .endef -_sinl: - fldt 4(%esp) - fsin - fnstsw %ax - testl $0x400,%eax - jnz 1f - ret -1: fldpi - fadd %st(0) - fxch %st(1) -2: fprem1 - fnstsw %ax - testl $0x400,%eax - jnz 2b - fstp %st(1) - fsin - ret diff --git a/winsup/mingw/mingwex/math/sqrtf.c b/winsup/mingw/mingwex/math/sqrtf.c deleted file mode 100644 index b1029cad8..000000000 --- a/winsup/mingw/mingwex/math/sqrtf.c +++ /dev/null @@ -1,20 +0,0 @@ -#include <math.h> -#include <errno.h> - -extern float __QNANF; - -float -sqrtf (float x) -{ - if (x < 0.0F ) - { - errno = EDOM; - return __QNANF; - } - else - { - float res; - asm ("fsqrt" : "=t" (res) : "0" (x)); - return res; - } -} diff --git a/winsup/mingw/mingwex/math/sqrtl.c b/winsup/mingw/mingwex/math/sqrtl.c deleted file mode 100644 index dba68d878..000000000 --- a/winsup/mingw/mingwex/math/sqrtl.c +++ /dev/null @@ -1,20 +0,0 @@ -#include <math.h> -#include <errno.h> - -extern long double __QNANL; - -long double -sqrtl (long double x) -{ - if (x < 0.0L ) - { - errno = EDOM; - return __QNANL; - } - else - { - long double res; - asm ("fsqrt" : "=t" (res) : "0" (x)); - return res; - } -} diff --git a/winsup/mingw/mingwex/math/tanf.S b/winsup/mingw/mingwex/math/tanf.S deleted file mode 100644 index 540fc6836..000000000 --- a/winsup/mingw/mingwex/math/tanf.S +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - .file "tanf.S" - .text - .align 4 -.globl _tanf - .def _tanf; .scl 2; .type 32; .endef -_tanf: - flds 4(%esp) - fptan - fnstsw %ax - testl $0x400,%eax - jnz 1f - fstp %st(0) - ret -1: fldpi - fadd %st(0) - fxch %st(1) -2: fprem1 - fstsw %ax - testl $0x400,%eax - jnz 2b - fstp %st(1) - fptan - fstp %st(0) - ret diff --git a/winsup/mingw/mingwex/math/tanhf.c b/winsup/mingw/mingwex/math/tanhf.c deleted file mode 100644 index b7c56f05c..000000000 --- a/winsup/mingw/mingwex/math/tanhf.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <math.h> -float tanhf (float x) - {return (float) tanh (x);} diff --git a/winsup/mingw/mingwex/math/tanhl.c b/winsup/mingw/mingwex/math/tanhl.c deleted file mode 100644 index d5d86d0ae..000000000 --- a/winsup/mingw/mingwex/math/tanhl.c +++ /dev/null @@ -1,151 +0,0 @@ -/* tanhl.c - * - * Hyperbolic tangent, long double precision - * - * - * - * SYNOPSIS: - * - * long double x, y, tanhl(); - * - * y = tanhl( x ); - * - * - * - * DESCRIPTION: - * - * Returns hyperbolic tangent of argument in the range MINLOGL to - * MAXLOGL. - * - * A rational function is used for |x| < 0.625. The form - * x + x**3 P(x)/Q(x) of Cody _& Waite is employed. - * Otherwise, - * tanh(x) = sinh(x)/cosh(x) = 1 - 2/(exp(2x) + 1). - * - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE -2,2 30000 1.3e-19 2.4e-20 - * - */ - -/* -Cephes Math Library Release 2.7: May, 1998 -Copyright 1984, 1987, 1989, 1998 by Stephen L. Moshier -*/ - -/* -Modified for mingw -2002-07-22 Danny Smith <dannysmith@users.sourceforge.net> -*/ - -#ifdef __MINGW32__ -#include "cephes_mconf.h" -#else -#include "mconf.h" -#endif - -#ifndef _SET_ERRNO -#define _SET_ERRNO(x) -#endif - -#ifdef UNK -static long double P[] = { --6.8473739392677100872869E-5L, --9.5658283111794641589011E-1L, --8.4053568599672284488465E1L, --1.3080425704712825945553E3L, -}; -static long double Q[] = { -/* 1.0000000000000000000000E0L,*/ - 9.6259501838840336946872E1L, - 1.8218117903645559060232E3L, - 3.9241277114138477845780E3L, -}; -#endif - -#ifdef IBMPC -static unsigned short P[] = { -0xd2a4,0x1b0c,0x8f15,0x8f99,0xbff1, XPD -0x5959,0x9111,0x9cc7,0xf4e2,0xbffe, XPD -0xb576,0xef5e,0x6d57,0xa81b,0xc005, XPD -0xe3be,0xbfbd,0x5cbc,0xa381,0xc009, XPD -}; -static unsigned short Q[] = { -/*0x0000,0x0000,0x0000,0x8000,0x3fff,*/ -0x687f,0xce24,0xdd6c,0xc084,0x4005, XPD -0x3793,0xc95f,0xfa2f,0xe3b9,0x4009, XPD -0xd5a2,0x1f9c,0x0b1b,0xf542,0x400a, XPD -}; -#endif - -#ifdef MIEEE -static long P[] = { -0xbff10000,0x8f998f15,0x1b0cd2a4, -0xbffe0000,0xf4e29cc7,0x91115959, -0xc0050000,0xa81b6d57,0xef5eb576, -0xc0090000,0xa3815cbc,0xbfbde3be, -}; -static long Q[] = { -/*0x3fff0000,0x80000000,0x00000000,*/ -0x40050000,0xc084dd6c,0xce24687f, -0x40090000,0xe3b9fa2f,0xc95f3793, -0x400a0000,0xf5420b1b,0x1f9cd5a2, -}; -#endif - -#ifndef __MINGW32__ -extern long double MAXLOGL; -#ifdef ANSIPROT -extern long double fabsl ( long double ); -extern long double expl ( long double ); -extern long double polevll ( long double, void *, int ); -extern long double p1evll ( long double, void *, int ); -#else -long double fabsl(), expl(), polevll(), p1evll(); -#endif -#endif /* __MINGW32__ */ - -long double tanhl(x) -long double x; -{ -long double s, z; - -#ifdef MINUSZERO -if( x == 0.0L ) - return(x); -#endif -if (isnanl(x)) - { - _SET_ERRNO (EDOM); - return x; - } - -z = fabsl(x); -if( z > 0.5L * MAXLOGL ) - { - _SET_ERRNO (ERANGE); - if( x > 0 ) - return( 1.0L ); - else - return( -1.0L ); - } -if( z >= 0.625L ) - { - s = expl(2.0*z); - z = 1.0L - 2.0/(s + 1.0L); - if( x < 0 ) - z = -z; - } -else - { - s = x * x; - z = polevll( s, P, 3 )/p1evll(s, Q, 3); - z = x * s * z; - z = x + z; - } -return( z ); -} diff --git a/winsup/mingw/mingwex/math/tanl.S b/winsup/mingw/mingwex/math/tanl.S deleted file mode 100644 index fd30019a8..000000000 --- a/winsup/mingw/mingwex/math/tanl.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. - * - * Removed header file dependency for use in libmingwex.a by - * Danny Smith <dannysmith@users.sourceforge.net> - */ - .file "tanl.S" - .text - .align 4 -.globl _tanl - .def _tanl; .scl 2; .type 32; .endef -_tanl: - fldt 4(%esp) - fptan - fnstsw %ax - testl $0x400,%eax - jnz 1f - fstp %st(0) - ret -1: fldpi - fadd %st(0) - fxch %st(1) -2: fprem1 - fstsw %ax - testl $0x400,%eax - jnz 2b - fstp %st(1) - fptan - fstp %st(0) - ret diff --git a/winsup/mingw/mingwex/math/tgamma.c b/winsup/mingw/mingwex/math/tgamma.c deleted file mode 100644 index b48ac5cb2..000000000 --- a/winsup/mingw/mingwex/math/tgamma.c +++ /dev/null @@ -1,388 +0,0 @@ -/* gamma.c - * - * Gamma function - * - * - * - * SYNOPSIS: - * - * double x, y, __tgamma_r(); - * int* sgngam; - * y = __tgamma_r( x, sgngam ); - * - * double x, y, tgamma(); - * y = tgamma( x) - * - * - * - * DESCRIPTION: - * - * Returns gamma function of the argument. The result is - * correctly signed. In the reentrant version the sign (+1 or -1) - * is returned in the variable referenced by sgngam. - * - * Arguments |x| <= 34 are reduced by recurrence and the function - * approximated by a rational function of degree 6/7 in the - * interval (2,3). Large arguments are handled by Stirling's - * formula. Large negative arguments are made positive using - * a reflection formula. - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * DEC -34, 34 10000 1.3e-16 2.5e-17 - * IEEE -170,-33 20000 2.3e-15 3.3e-16 - * IEEE -33, 33 20000 9.4e-16 2.2e-16 - * IEEE 33, 171.6 20000 2.3e-15 3.2e-16 - * - * Error for arguments outside the test range will be larger - * owing to error amplification by the exponential function. - * - */ - -/* -Cephes Math Library Release 2.8: June, 2000 -Copyright 1984, 1987, 1989, 1992, 2000 by Stephen L. Moshier -*/ - - -/* - * 26-11-2002 Modified for mingw. - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - -#ifndef __MINGW32__ -#include "mconf.h" -#else -#include "cephes_mconf.h" -#endif - -#ifdef UNK -static const double P[] = { - 1.60119522476751861407E-4, - 1.19135147006586384913E-3, - 1.04213797561761569935E-2, - 4.76367800457137231464E-2, - 2.07448227648435975150E-1, - 4.94214826801497100753E-1, - 9.99999999999999996796E-1 -}; -static const double Q[] = { --2.31581873324120129819E-5, - 5.39605580493303397842E-4, --4.45641913851797240494E-3, - 1.18139785222060435552E-2, - 3.58236398605498653373E-2, --2.34591795718243348568E-1, - 7.14304917030273074085E-2, - 1.00000000000000000320E0 -}; -#define MAXGAM 171.624376956302725 -static const double LOGPI = 1.14472988584940017414; -#endif - -#ifdef DEC -static const unsigned short P[] = { -0035047,0162701,0146301,0005234, -0035634,0023437,0032065,0176530, -0036452,0137157,0047330,0122574, -0037103,0017310,0143041,0017232, -0037524,0066516,0162563,0164605, -0037775,0004671,0146237,0014222, -0040200,0000000,0000000,0000000 -}; -static const unsigned short Q[] = { -0134302,0041724,0020006,0116565, -0035415,0072121,0044251,0025634, -0136222,0003447,0035205,0121114, -0036501,0107552,0154335,0104271, -0037022,0135717,0014776,0171471, -0137560,0034324,0165024,0037021, -0037222,0045046,0047151,0161213, -0040200,0000000,0000000,0000000 -}; -#define MAXGAM 34.84425627277176174 -#endif - -#ifdef IBMPC -static const unsigned short P[] = { -0x2153,0x3998,0xfcb8,0x3f24, -0xbfab,0xe686,0x84e3,0x3f53, -0x14b0,0xe9db,0x57cd,0x3f85, -0x23d3,0x18c4,0x63d9,0x3fa8, -0x7d31,0xdcae,0x8da9,0x3fca, -0xe312,0x3993,0xa137,0x3fdf, -0x0000,0x0000,0x0000,0x3ff0 -}; -static const unsigned short Q[] = { -0xd3af,0x8400,0x487a,0xbef8, -0x2573,0x2915,0xae8a,0x3f41, -0xb44a,0xe750,0x40e4,0xbf72, -0xb117,0x5b1b,0x31ed,0x3f88, -0xde67,0xe33f,0x5779,0x3fa2, -0x87c2,0x9d42,0x071a,0xbfce, -0x3c51,0xc9cd,0x4944,0x3fb2, -0x0000,0x0000,0x0000,0x3ff0 -}; -#define MAXGAM 171.624376956302725 -#endif - -#ifdef MIEEE -static const unsigned short P[] = { -0x3f24,0xfcb8,0x3998,0x2153, -0x3f53,0x84e3,0xe686,0xbfab, -0x3f85,0x57cd,0xe9db,0x14b0, -0x3fa8,0x63d9,0x18c4,0x23d3, -0x3fca,0x8da9,0xdcae,0x7d31, -0x3fdf,0xa137,0x3993,0xe312, -0x3ff0,0x0000,0x0000,0x0000 -}; -static const unsigned short Q[] = { -0xbef8,0x487a,0x8400,0xd3af, -0x3f41,0xae8a,0x2915,0x2573, -0xbf72,0x40e4,0xe750,0xb44a, -0x3f88,0x31ed,0x5b1b,0xb117, -0x3fa2,0x5779,0xe33f,0xde67, -0xbfce,0x071a,0x9d42,0x87c2, -0x3fb2,0x4944,0xc9cd,0x3c51, -0x3ff0,0x0000,0x0000,0x0000 -}; -#define MAXGAM 171.624376956302725 -#endif - -/* Stirling's formula for the gamma function */ -#if UNK -static const double STIR[5] = { - 7.87311395793093628397E-4, --2.29549961613378126380E-4, --2.68132617805781232825E-3, - 3.47222221605458667310E-3, - 8.33333333333482257126E-2, -}; -#define MAXSTIR 143.01608 -static const double SQTPI = 2.50662827463100050242E0; -#endif -#if DEC -static const unsigned short STIR[20] = { -0035516,0061622,0144553,0112224, -0135160,0131531,0037460,0165740, -0136057,0134460,0037242,0077270, -0036143,0107070,0156306,0027751, -0037252,0125252,0125252,0146064, -}; -#define MAXSTIR 26.77 -static const unsigned short SQT[4] = { -0040440,0066230,0177661,0034055, -}; -#define SQTPI *(double *)SQT -#endif -#if IBMPC -static const unsigned short STIR[20] = { -0x7293,0x592d,0xcc72,0x3f49, -0x1d7c,0x27e6,0x166b,0xbf2e, -0x4fd7,0x07d4,0xf726,0xbf65, -0xc5fd,0x1b98,0x71c7,0x3f6c, -0x5986,0x5555,0x5555,0x3fb5, -}; -#define MAXSTIR 143.01608 - -static const union -{ - unsigned short s[4]; - double d; -} sqt = {{0x2706,0x1ff6,0x0d93,0x4004}}; -#define SQTPI (sqt.d) -#endif -#if MIEEE -static const unsigned short STIR[20] = { -0x3f49,0xcc72,0x592d,0x7293, -0xbf2e,0x166b,0x27e6,0x1d7c, -0xbf65,0xf726,0x07d4,0x4fd7, -0x3f6c,0x71c7,0x1b98,0xc5fd, -0x3fb5,0x5555,0x5555,0x5986, -}; -#define MAXSTIR 143.01608 -static const unsigned short SQT[4] = { -0x4004,0x0d93,0x1ff6,0x2706, -}; -#define SQTPI *(double *)SQT -#endif - -#ifndef __MINGW32__ -int sgngam = 0; -extern int sgngam; -extern double MAXLOG, MAXNUM, PI; -#ifdef ANSIPROT -extern double pow ( double, double ); -extern double log ( double ); -extern double exp ( double ); -extern double sin ( double ); -extern double polevl ( double, void *, int ); -extern double p1evl ( double, void *, int ); -extern double floor ( double ); -extern double fabs ( double ); -extern int isnan ( double ); -extern int isfinite ( double ); -static double stirf ( double ); -double lgam ( double ); -#else -double pow(), log(), exp(), sin(), polevl(), p1evl(), floor(), fabs(); -int isnan(), isfinite(); -static double stirf(); -double lgam(); -#endif -#ifdef INFINITIES -extern double INFINITY; -#endif -#ifdef NANS -extern double NAN; -#endif -#else /* __MINGW32__ */ -static double stirf ( double ); -#endif - -/* Gamma function computed by Stirling's formula. - * The polynomial STIR is valid for 33 <= x <= 172. - */ -static double stirf(x) -double x; -{ -double y, w, v; - -w = 1.0/x; -w = 1.0 + w * polevl( w, STIR, 4 ); -y = exp(x); -if( x > MAXSTIR ) - { /* Avoid overflow in pow() */ - v = pow( x, 0.5 * x - 0.25 ); - y = v * (v / y); - } -else - { - y = pow( x, x - 0.5 ) / y; - } -y = SQTPI * y * w; -return( y ); -} - - - -double __tgamma_r(double x, int* sgngam) -{ -double p, q, z; -int i; - -*sgngam = 1; -#ifdef NANS -if( isnan(x) ) - return(x); -#endif -#ifdef INFINITIES -#ifdef NANS -if( x == INFINITY ) - return(x); -if( x == -INFINITY ) - return(NAN); -#else -if( !isfinite(x) ) - return(x); -#endif -#endif -q = fabs(x); - -if( q > 33.0 ) - { - if( x < 0.0 ) - { - p = floor(q); - if( p == q ) - { -gsing: - _SET_ERRNO(EDOM); - mtherr( "tgamma", SING ); -#ifdef INFINITIES - return (INFINITY); -#else - return (MAXNUM); -#endif - } - i = p; - if( (i & 1) == 0 ) - *sgngam = -1; - z = q - p; - if( z > 0.5 ) - { - p += 1.0; - z = q - p; - } - z = q * sin( PI * z ); - if( z == 0.0 ) - { - _SET_ERRNO(ERANGE); - mtherr( "tgamma", OVERFLOW ); -#ifdef INFINITIES - return( *sgngam * INFINITY); -#else - return( *sgngam * MAXNUM); -#endif - } - z = fabs(z); - z = PI/(z * stirf(q) ); - } - else - { - z = stirf(x); - } - return( *sgngam * z ); - } - -z = 1.0; -while( x >= 3.0 ) - { - x -= 1.0; - z *= x; - } - -while( x < 0.0 ) - { - if( x > -1.E-9 ) - goto Small; - z /= x; - x += 1.0; - } - -while( x < 2.0 ) - { - if( x < 1.e-9 ) - goto Small; - z /= x; - x += 1.0; - } - -if( x == 2.0 ) - return(z); - -x -= 2.0; -p = polevl( x, P, 6 ); -q = polevl( x, Q, 7 ); -return( z * p / q ); - -Small: -if( x == 0.0 ) - { - goto gsing; - } -else - return( z/((1.0 + 0.5772156649015329 * x) * x) ); -} - -/* This is the C99 version */ - -double tgamma(double x) -{ - int local_sgngam=0; - return (__tgamma_r(x, &local_sgngam)); -} diff --git a/winsup/mingw/mingwex/math/tgammaf.c b/winsup/mingw/mingwex/math/tgammaf.c deleted file mode 100644 index 07d294971..000000000 --- a/winsup/mingw/mingwex/math/tgammaf.c +++ /dev/null @@ -1,265 +0,0 @@ -/* gammaf.c - * - * Gamma function - * - * - * - * SYNOPSIS: - * - * float x, y, __tgammaf_r(); - * int* sgngamf; - * y = __tgammaf_r( x, sgngamf ); - * - * float x, y, tgammaf(); - * y = tgammaf( x); - * - * - * DESCRIPTION: - * - * Returns gamma function of the argument. The result is - * correctly signed. In the reentrant version the sign (+1 or -1) - * is returned in the variable referenced by sgngamf. - * - * Arguments between 0 and 10 are reduced by recurrence and the - * function is approximated by a polynomial function covering - * the interval (2,3). Large arguments are handled by Stirling's - * formula. Negative arguments are made positive using - * a reflection formula. - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE 0,-33 100,000 5.7e-7 1.0e-7 - * IEEE -33,0 100,000 6.1e-7 1.2e-7 - * - * - */ - -/* -Cephes Math Library Release 2.7: July, 1998 -Copyright 1984, 1987, 1989, 1992, 1998 by Stephen L. Moshier -*/ - - -/* - * 26-11-2002 Modified for mingw. - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - -#ifndef __MINGW32__ -#include "mconf.h" -#else -#include "cephes_mconf.h" -#endif - -/* define MAXGAM 34.84425627277176174 */ - -/* Stirling's formula for the gamma function - * gamma(x) = sqrt(2 pi) x^(x-.5) exp(-x) ( 1 + 1/x P(1/x) ) - * .028 < 1/x < .1 - * relative error < 1.9e-11 - */ -static const float STIR[] = { --2.705194986674176E-003, - 3.473255786154910E-003, - 8.333331788340907E-002, -}; -static const float MAXSTIR = 26.77; -static const float SQTPIF = 2.50662827463100050242; /* sqrt( 2 pi ) */ - -#ifndef __MINGW32__ - -extern float MAXLOGF, MAXNUMF, PIF; - -#ifdef ANSIC -float expf(float); -float logf(float); -float powf( float, float ); -float sinf(float); -float gammaf(float); -float floorf(float); -static float stirf(float); -float polevlf( float, float *, int ); -float p1evlf( float, float *, int ); -#else -float expf(), logf(), powf(), sinf(), floorf(); -float polevlf(), p1evlf(); -static float stirf(); -#endif - -#else /* __MINGW32__ */ -static float stirf(float); -#endif - -/* Gamma function computed by Stirling's formula, - * sqrt(2 pi) x^(x-.5) exp(-x) (1 + 1/x P(1/x)) - * The polynomial STIR is valid for 33 <= x <= 172. - */ -static float stirf( float x ) -{ -float y, w, v; - -w = 1.0/x; -w = 1.0 + w * polevlf( w, STIR, 2 ); -y = expf( -x ); -if( x > MAXSTIR ) - { /* Avoid overflow in pow() */ - v = powf( x, 0.5 * x - 0.25 ); - y *= v; - y *= v; - } -else - { - y = powf( x, x - 0.5 ) * y; - } -y = SQTPIF * y * w; -return( y ); -} - - -/* gamma(x+2), 0 < x < 1 */ -static const float P[] = { - 1.536830450601906E-003, - 5.397581592950993E-003, - 4.130370201859976E-003, - 7.232307985516519E-002, - 8.203960091619193E-002, - 4.117857447645796E-001, - 4.227867745131584E-001, - 9.999999822945073E-001, -}; - -float __tgammaf_r( float x, int* sgngamf) -{ -float p, q, z, nz; -int i, direction, negative; - -#ifdef NANS -if( isnan(x) ) - return(x); -#endif -#ifdef INFINITIES -#ifdef NANS -if( x == INFINITYF ) - return(x); -if( x == -INFINITYF ) - return(NANF); -#else -if( !isfinite(x) ) - return(x); -#endif -#endif - -*sgngamf = 1; -negative = 0; -nz = 0.0; -if( x < 0.0 ) - { - negative = 1; - q = -x; - p = floorf(q); - if( p == q ) - { -gsing: - _SET_ERRNO(EDOM); - mtherr( "tgammaf", SING ); -#ifdef INFINITIES - return (INFINITYF); -#else - return (MAXNUMF); -#endif - } - i = p; - if( (i & 1) == 0 ) - *sgngamf = -1; - nz = q - p; - if( nz > 0.5 ) - { - p += 1.0; - nz = q - p; - } - nz = q * sinf( PIF * nz ); - if( nz == 0.0 ) - { - _SET_ERRNO(ERANGE); - mtherr( "tgamma", OVERFLOW ); -#ifdef INFINITIES - return( *sgngamf * INFINITYF); -#else - return( *sgngamf * MAXNUMF); -#endif - } - if( nz < 0 ) - nz = -nz; - x = q; - } -if( x >= 10.0 ) - { - z = stirf(x); - } -if( x < 2.0 ) - direction = 1; -else - direction = 0; -z = 1.0; -while( x >= 3.0 ) - { - x -= 1.0; - z *= x; - } -/* -while( x < 0.0 ) - { - if( x > -1.E-4 ) - goto Small; - z *=x; - x += 1.0; - } -*/ -while( x < 2.0 ) - { - if( x < 1.e-4 ) - goto Small; - z *=x; - x += 1.0; - } - -if( direction ) - z = 1.0/z; - -if( x == 2.0 ) - return(z); - -x -= 2.0; -p = z * polevlf( x, P, 7 ); - -gdone: - -if( negative ) - { - p = *sgngamf * PIF/(nz * p ); - } -return(p); - -Small: -if( x == 0.0 ) - { - goto gsing; - } -else - { - p = z / ((1.0 + 0.5772156649015329 * x) * x); - goto gdone; - } -} - -/* This is the C99 version */ - -float tgammaf(float x) -{ - int local_sgngamf=0; - return (__tgammaf_r(x, &local_sgngamf)); -} diff --git a/winsup/mingw/mingwex/math/tgammal.c b/winsup/mingw/mingwex/math/tgammal.c deleted file mode 100644 index 6db4e3af7..000000000 --- a/winsup/mingw/mingwex/math/tgammal.c +++ /dev/null @@ -1,501 +0,0 @@ -/* gammal.c - * - * Gamma function - * - * - * - * SYNOPSIS: - * - * long double x, y, __tgammal_r(); - * int* sgngaml; - * y = __tgammal_r( x, sgngaml ); - * - * long double x, y, tgammal(); - * y = tgammal( x); * - * - * - * DESCRIPTION: - * - * Returns gamma function of the argument. The result is - * correctly signed. In the reentrant version the sign (+1 or -1) - * is returned in the variable referenced by sgngamf. - * - * Arguments |x| <= 13 are reduced by recurrence and the function - * approximated by a rational function of degree 7/8 in the - * interval (2,3). Large arguments are handled by Stirling's - * formula. Large negative arguments are made positive using - * a reflection formula. - * - * - * ACCURACY: - * - * Relative error: - * arithmetic domain # trials peak rms - * IEEE -40,+40 10000 3.6e-19 7.9e-20 - * IEEE -1755,+1755 10000 4.8e-18 6.5e-19 - * - * Accuracy for large arguments is dominated by error in powl(). - * - */ - -/* -Copyright 1994 by Stephen L. Moshier -*/ - - -/* - * 26-11-2002 Modified for mingw. - * Danny Smith <dannysmith@users.sourceforge.net> - */ - - -#ifndef __MINGW32__ -#include "mconf.h" -#else -#include "cephes_mconf.h" -#endif - -/* -gamma(x+2) = gamma(x+2) P(x)/Q(x) -0 <= x <= 1 -Relative error -n=7, d=8 -Peak error = 1.83e-20 -Relative error spread = 8.4e-23 -*/ - -#if UNK -static const long double P[8] = { - 4.212760487471622013093E-5L, - 4.542931960608009155600E-4L, - 4.092666828394035500949E-3L, - 2.385363243461108252554E-2L, - 1.113062816019361559013E-1L, - 3.629515436640239168939E-1L, - 8.378004301573126728826E-1L, - 1.000000000000000000009E0L, -}; -static const long double Q[9] = { --1.397148517476170440917E-5L, - 2.346584059160635244282E-4L, --1.237799246653152231188E-3L, --7.955933682494738320586E-4L, - 2.773706565840072979165E-2L, --4.633887671244534213831E-2L, --2.243510905670329164562E-1L, - 4.150160950588455434583E-1L, - 9.999999999999999999908E-1L, -}; -#endif -#if IBMPC -static const unsigned short P[] = { -0x434a,0x3f22,0x2bda,0xb0b2,0x3ff0, XPD -0xf5aa,0xe82f,0x335b,0xee2e,0x3ff3, XPD -0xbe6c,0x3757,0xc717,0x861b,0x3ff7, XPD -0x7f43,0x5196,0xb166,0xc368,0x3ff9, XPD -0x9549,0x8eb5,0x8c3a,0xe3f4,0x3ffb, XPD -0x8d75,0x23af,0xc8e4,0xb9d4,0x3ffd, XPD -0x29cf,0x19b3,0x16c8,0xd67a,0x3ffe, XPD -0x0000,0x0000,0x0000,0x8000,0x3fff, XPD -}; -static const unsigned short Q[] = { -0x5473,0x2de8,0x1268,0xea67,0xbfee, XPD -0x334b,0xc2f0,0xa2dd,0xf60e,0x3ff2, XPD -0xbeed,0x1853,0xa691,0xa23d,0xbff5, XPD -0x296e,0x7cb1,0x5dfd,0xd08f,0xbff4, XPD -0x0417,0x7989,0xd7bc,0xe338,0x3ff9, XPD -0x3295,0x3698,0xd580,0xbdcd,0xbffa, XPD -0x75ef,0x3ab7,0x4ad3,0xe5bc,0xbffc, XPD -0xe458,0x2ec7,0xfd57,0xd47c,0x3ffd, XPD -0x0000,0x0000,0x0000,0x8000,0x3fff, XPD -}; -#endif -#if MIEEE -static const long P[24] = { -0x3ff00000,0xb0b22bda,0x3f22434a, -0x3ff30000,0xee2e335b,0xe82ff5aa, -0x3ff70000,0x861bc717,0x3757be6c, -0x3ff90000,0xc368b166,0x51967f43, -0x3ffb0000,0xe3f48c3a,0x8eb59549, -0x3ffd0000,0xb9d4c8e4,0x23af8d75, -0x3ffe0000,0xd67a16c8,0x19b329cf, -0x3fff0000,0x80000000,0x00000000, -}; -static const long Q[27] = { -0xbfee0000,0xea671268,0x2de85473, -0x3ff20000,0xf60ea2dd,0xc2f0334b, -0xbff50000,0xa23da691,0x1853beed, -0xbff40000,0xd08f5dfd,0x7cb1296e, -0x3ff90000,0xe338d7bc,0x79890417, -0xbffa0000,0xbdcdd580,0x36983295, -0xbffc0000,0xe5bc4ad3,0x3ab775ef, -0x3ffd0000,0xd47cfd57,0x2ec7e458, -0x3fff0000,0x80000000,0x00000000, -}; -#endif -/* -static const long double P[] = { --3.01525602666895735709e0L, --3.25157411956062339893e1L, --2.92929976820724030353e2L, --1.70730828800510297666e3L, --7.96667499622741999770e3L, --2.59780216007146401957e4L, --5.99650230220855581642e4L, --7.15743521530849602425e4L -}; -static const long double Q[] = { - 1.00000000000000000000e0L, --1.67955233807178858919e1L, - 8.85946791747759881659e1L, - 5.69440799097468430177e1L, --1.98526250512761318471e3L, - 3.31667508019495079814e3L, - 1.60577839621734713377e4L, --2.97045081369399940529e4L, --7.15743521530849602412e4L -}; -*/ -#define MAXGAML 1755.455L -/*static const long double LOGPI = 1.14472988584940017414L;*/ - -/* Stirling's formula for the gamma function -gamma(x) = sqrt(2 pi) x^(x-.5) exp(-x) (1 + 1/x P(1/x)) -z(x) = x -13 <= x <= 1024 -Relative error -n=8, d=0 -Peak error = 9.44e-21 -Relative error spread = 8.8e-4 -*/ -#if UNK -static const long double STIR[9] = { - 7.147391378143610789273E-4L, --2.363848809501759061727E-5L, --5.950237554056330156018E-4L, - 6.989332260623193171870E-5L, - 7.840334842744753003862E-4L, --2.294719747873185405699E-4L, --2.681327161876304418288E-3L, - 3.472222222230075327854E-3L, - 8.333333333333331800504E-2L, -}; -#endif -#if IBMPC -static const unsigned short STIR[] = { -0x6ede,0x69f7,0x54e3,0xbb5d,0x3ff4, XPD -0xc395,0x0295,0x4443,0xc64b,0xbfef, XPD -0xba6f,0x7c59,0x5e47,0x9bfb,0xbff4, XPD -0x5704,0x1a39,0xb11d,0x9293,0x3ff1, XPD -0x30b7,0x1a21,0x98b2,0xcd87,0x3ff4, XPD -0xbef3,0x7023,0x6a08,0xf09e,0xbff2, XPD -0x3a1c,0x5ac8,0x3478,0xafb9,0xbff6, XPD -0xc3c9,0x906e,0x38e3,0xe38e,0x3ff6, XPD -0xa1d5,0xaaaa,0xaaaa,0xaaaa,0x3ffb, XPD -}; -#endif -#if MIEEE -static const long STIR[27] = { -0x3ff40000,0xbb5d54e3,0x69f76ede, -0xbfef0000,0xc64b4443,0x0295c395, -0xbff40000,0x9bfb5e47,0x7c59ba6f, -0x3ff10000,0x9293b11d,0x1a395704, -0x3ff40000,0xcd8798b2,0x1a2130b7, -0xbff20000,0xf09e6a08,0x7023bef3, -0xbff60000,0xafb93478,0x5ac83a1c, -0x3ff60000,0xe38e38e3,0x906ec3c9, -0x3ffb0000,0xaaaaaaaa,0xaaaaa1d5, -}; -#endif -#define MAXSTIR 1024.0L -static const long double SQTPI = 2.50662827463100050242E0L; - -/* 1/gamma(x) = z P(z) - * z(x) = 1/x - * 0 < x < 0.03125 - * Peak relative error 4.2e-23 - */ -#if UNK -static const long double S[9] = { --1.193945051381510095614E-3L, - 7.220599478036909672331E-3L, --9.622023360406271645744E-3L, --4.219773360705915470089E-2L, - 1.665386113720805206758E-1L, --4.200263503403344054473E-2L, --6.558780715202540684668E-1L, - 5.772156649015328608253E-1L, - 1.000000000000000000000E0L, -}; -#endif -#if IBMPC -static const unsigned short S[] = { -0xbaeb,0xd6d3,0x25e5,0x9c7e,0xbff5, XPD -0xfe9a,0xceb4,0xc74e,0xec9a,0x3ff7, XPD -0x9225,0xdfef,0xb0e9,0x9da5,0xbff8, XPD -0x10b0,0xec17,0x87dc,0xacd7,0xbffa, XPD -0x6b8d,0x7515,0x1905,0xaa89,0x3ffc, XPD -0xf183,0x126b,0xf47d,0xac0a,0xbffa, XPD -0x7bf6,0x57d1,0xa013,0xa7e7,0xbffe, XPD -0xc7a9,0x7db0,0x67e3,0x93c4,0x3ffe, XPD -0x0000,0x0000,0x0000,0x8000,0x3fff, XPD -}; -#endif -#if MIEEE -static const long S[27] = { -0xbff50000,0x9c7e25e5,0xd6d3baeb, -0x3ff70000,0xec9ac74e,0xceb4fe9a, -0xbff80000,0x9da5b0e9,0xdfef9225, -0xbffa0000,0xacd787dc,0xec1710b0, -0x3ffc0000,0xaa891905,0x75156b8d, -0xbffa0000,0xac0af47d,0x126bf183, -0xbffe0000,0xa7e7a013,0x57d17bf6, -0x3ffe0000,0x93c467e3,0x7db0c7a9, -0x3fff0000,0x80000000,0x00000000, -}; -#endif -/* 1/gamma(-x) = z P(z) - * z(x) = 1/x - * 0 < x < 0.03125 - * Peak relative error 5.16e-23 - * Relative error spread = 2.5e-24 - */ -#if UNK -static const long double SN[9] = { - 1.133374167243894382010E-3L, - 7.220837261893170325704E-3L, - 9.621911155035976733706E-3L, --4.219773343731191721664E-2L, --1.665386113944413519335E-1L, --4.200263503402112910504E-2L, - 6.558780715202536547116E-1L, - 5.772156649015328608727E-1L, --1.000000000000000000000E0L, -}; -#endif -#if IBMPC -static const unsigned short SN[] = { -0x5dd1,0x02de,0xb9f7,0x948d,0x3ff5, XPD -0x989b,0xdd68,0xc5f1,0xec9c,0x3ff7, XPD -0x2ca1,0x18f0,0x386f,0x9da5,0x3ff8, XPD -0x783f,0x41dd,0x87d1,0xacd7,0xbffa, XPD -0x7a5b,0xd76d,0x1905,0xaa89,0xbffc, XPD -0x7f64,0x1234,0xf47d,0xac0a,0xbffa, XPD -0x5e26,0x57d1,0xa013,0xa7e7,0x3ffe, XPD -0xc7aa,0x7db0,0x67e3,0x93c4,0x3ffe, XPD -0x0000,0x0000,0x0000,0x8000,0xbfff, XPD -}; -#endif -#if MIEEE -static const long SN[27] = { -0x3ff50000,0x948db9f7,0x02de5dd1, -0x3ff70000,0xec9cc5f1,0xdd68989b, -0x3ff80000,0x9da5386f,0x18f02ca1, -0xbffa0000,0xacd787d1,0x41dd783f, -0xbffc0000,0xaa891905,0xd76d7a5b, -0xbffa0000,0xac0af47d,0x12347f64, -0x3ffe0000,0xa7e7a013,0x57d15e26, -0x3ffe0000,0x93c467e3,0x7db0c7aa, -0xbfff0000,0x80000000,0x00000000, -}; -#endif - -#ifndef __MINGW32__ -extern long double MAXLOGL, MAXNUML, PIL; -/* #define PIL 3.14159265358979323846L */ -/* #define MAXNUML 1.189731495357231765021263853E4932L */ - -#ifdef ANSIPROT -extern long double fabsl ( long double ); -extern long double lgaml ( long double ); -extern long double logl ( long double ); -extern long double expl ( long double ); -extern long double gammal ( long double ); -extern long double sinl ( long double ); -extern long double floorl ( long double ); -extern long double powl ( long double, long double ); -extern long double polevll ( long double, void *, int ); -extern long double p1evll ( long double, void *, int ); -extern int isnanl ( long double ); -extern int isfinitel ( long double ); -static long double stirf ( long double ); -#else -long double fabsl(), lgaml(), logl(), expl(), gammal(), sinl(); -long double floorl(), powl(), polevll(), p1evll(), isnanl(), isfinitel(); -static long double stirf(); -#endif -#ifdef INFINITIES -extern long double INFINITYL; -#endif -#ifdef NANS -extern long double NANL; -#endif - -#else /* __MINGW32__ */ -static long double stirf ( long double ); -#endif - - -/* Gamma function computed by Stirling's formula. */ - -static long double stirf(x) -long double x; -{ -long double y, w, v; - -w = 1.0L/x; -/* For large x, use rational coefficients from the analytical expansion. */ -if( x > 1024.0L ) - w = (((((6.97281375836585777429E-5L * w - + 7.84039221720066627474E-4L) * w - - 2.29472093621399176955E-4L) * w - - 2.68132716049382716049E-3L) * w - + 3.47222222222222222222E-3L) * w - + 8.33333333333333333333E-2L) * w - + 1.0L; -else - w = 1.0L + w * polevll( w, STIR, 8 ); -y = expl(x); -if( x > MAXSTIR ) - { /* Avoid overflow in pow() */ - v = powl( x, 0.5L * x - 0.25L ); - y = v * (v / y); - } -else - { - y = powl( x, x - 0.5L ) / y; - } -y = SQTPI * y * w; -return( y ); -} - - -long double __tgammal_r(long double x, int* sgngaml) -{ -long double p, q, z; -int i; - -*sgngaml = 1; -#ifdef NANS -if( isnanl(x) ) - return(NANL); -#endif -#ifdef INFINITIES -#ifdef NANS -if( x == INFINITYL ) - return(x); -if( x == -INFINITYL ) - return(NANL); -#else -if( !isfinite(x) ) - return(x); -#endif -#endif -q = fabsl(x); - -if( q > 13.0L ) - { - if( q > MAXGAML ) - goto goverf; - if( x < 0.0L ) - { - p = floorl(q); - if( p == q ) - { -gsing: - _SET_ERRNO(EDOM); - mtherr( "tgammal", SING ); -#ifdef INFINITIES - return (INFINITYL); -#else - return( *sgngaml * MAXNUML); -#endif - } - i = p; - if( (i & 1) == 0 ) - *sgngaml = -1; - z = q - p; - if( z > 0.5L ) - { - p += 1.0L; - z = q - p; - } - z = q * sinl( PIL * z ); - z = fabsl(z) * stirf(q); - if( z <= PIL/MAXNUML ) - { -goverf: - _SET_ERRNO(ERANGE); - mtherr( "tgammal", OVERFLOW ); -#ifdef INFINITIES - return( *sgngaml * INFINITYL); -#else - return( *sgngaml * MAXNUML); -#endif - } - z = PIL/z; - } - else - { - z = stirf(x); - } - return( *sgngaml * z ); - } - -z = 1.0L; -while( x >= 3.0L ) - { - x -= 1.0L; - z *= x; - } - -while( x < -0.03125L ) - { - z /= x; - x += 1.0L; - } - -if( x <= 0.03125L ) - goto Small; - -while( x < 2.0L ) - { - z /= x; - x += 1.0L; - } - -if( x == 2.0L ) - return(z); - -x -= 2.0L; -p = polevll( x, P, 7 ); -q = polevll( x, Q, 8 ); -return( z * p / q ); - -Small: -if( x == 0.0L ) - { - goto gsing; - } -else - { - if( x < 0.0L ) - { - x = -x; - q = z / (x * polevll( x, SN, 8 )); - } - else - q = z / (x * polevll( x, S, 8 )); - } -return q; -} - - -/* This is the C99 version. */ - -long double tgammal(long double x) -{ - int local_sgngaml=0; - return (__tgammal_r(x, &local_sgngaml)); -} - diff --git a/winsup/mingw/mingwex/math/trunc.c b/winsup/mingw/mingwex/math/trunc.c deleted file mode 100644 index 5c7dc68cb..000000000 --- a/winsup/mingw/mingwex/math/trunc.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <fenv.h> -#include <math.h> - -double -trunc (double _x){ - double retval; - unsigned short saved_cw; - unsigned short tmp_cw; - __asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */ - tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)) - | FE_TOWARDZERO; - __asm__ ("fldcw %0;" : : "m" (tmp_cw)); - __asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */ - __asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */ - return retval; -} diff --git a/winsup/mingw/mingwex/math/truncf.c b/winsup/mingw/mingwex/math/truncf.c deleted file mode 100644 index 8869e377f..000000000 --- a/winsup/mingw/mingwex/math/truncf.c +++ /dev/null @@ -1,17 +0,0 @@ -#include <fenv.h> -#include <math.h> - -float -truncf (float _x) -{ - float retval; - unsigned short saved_cw; - unsigned short tmp_cw; - __asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */ - tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)) - | FE_TOWARDZERO; - __asm__ ("fldcw %0;" : : "m" (tmp_cw)); - __asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */ - __asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */ - return retval; -} diff --git a/winsup/mingw/mingwex/math/truncl.c b/winsup/mingw/mingwex/math/truncl.c deleted file mode 100644 index e34b21ba9..000000000 --- a/winsup/mingw/mingwex/math/truncl.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <fenv.h> -#include <math.h> - -long double -truncl (long double _x){ - long double retval; - unsigned short saved_cw; - unsigned short tmp_cw; - __asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */ - tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)) - | FE_TOWARDZERO; - __asm__ ("fldcw %0;" : : "m" (tmp_cw)); - __asm__ ("frndint;" : "=t" (retval) : "0" (_x)); /* round towards zero */ - __asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */ - return retval; -} |