diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2010-02-12 00:03:51 +0300 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2010-02-12 00:03:51 +0300 |
| commit | 45c8c6469a00491b9f908d0d24a1affe88e0f0e3 (patch) | |
| tree | 32a5b0b8e45843aca3409aba03bb47579a1f220d | |
| parent | 451a8eb09ae2bb2484ffc76da5854ea9983dd643 (diff) | |
2010-02-11 Craig Howland <howland@LGSInnovations.com>
* libc/include/machine/ieeefp.h: isfinite macro modified to run faster
by only calling fpclassify once instead of possibly twice.
| -rw-r--r-- | newlib/ChangeLog | 5 | ||||
| -rw-r--r-- | newlib/libc/include/machine/ieeefp.h | 9 |
2 files changed, 10 insertions, 4 deletions
diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 8e9df8139..f962a3c8f 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,4 +1,9 @@ 2010-02-11 Craig Howland <howland@LGSInnovations.com> + + * libc/include/machine/ieeefp.h: isfinite macro modified to run faster + by only calling fpclassify once instead of possibly twice. + +2010-02-11 Craig Howland <howland@LGSInnovations.com> * libm/common/s_ilogb.c: Adjust documentation to reflect new returns (see next items) and that ilogb() and ilogbf() are C99/POSIX. diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h index b3ce76a24..c174c2127 100644 --- a/newlib/libc/include/machine/ieeefp.h +++ b/newlib/libc/include/machine/ieeefp.h @@ -80,10 +80,11 @@ #ifdef __SPU__ #define __IEEE_BIG_ENDIAN -#define isfinite(y) \ - (__extension__ ({__typeof__(y) __y = (y); \ - (sizeof (__y) == sizeof (float)) ? (1) : \ - fpclassify(__y) != FP_INFINITE && fpclassify(__y) != FP_NAN;})) +#define isfinite(__y) \ + (__extension__ ({int __cy; \ + (sizeof (__y) == sizeof (float)) ? (1) : \ + (__cy = fpclassify(__y)) != FP_INFINITE && __cy != FP_NAN;})) + #define isinf(__x) ((sizeof (__x) == sizeof (float)) ? (0) : __isinfd(__x)) #define isnan(__x) ((sizeof (__x) == sizeof (float)) ? (0) : __isnand(__x)) |