2009-04-16 Ken Werner <ken.werner@de.ibm.com>

        * libm/libm.texinfo: Add long double function support chapter.
        * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define.
        * libc/include/stdlib.h: Include <machine/ieeefp.h>.
        (strtold, wcstold): Declare.
        * libc/stdlib/strtold.c: New File.
        * libc/stdlib/wcstold.c: Likewise.
        * libc/configure.in: Add long double check.
        * libc/configure: Regenerate.
        * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c.
        * libc/stdlib/Makefile.in: Regenerate.
        * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare.
        (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto.
        (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto.
        (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto.
        (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto.
        (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto.
        (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto.
        (atanhl, remainderl, lgammal, erfl, erfcl): Ditto.
        * libm/common/atanl.c: New File.
        * libm/common/cosl.c: Likewise.
        * libm/common/sinl.c: Likewise.
        * libm/common/modfl.c: Likewise.
        * libm/common/frexpl.c: Likewise.
        * libm/common/tanhl.c: Likewise.
        * libm/common/tanl.c: Likewise.
        * libm/common/expm1l.c: Likewise.
        * libm/common/log1pl.c: Likewise.
        * libm/common/ceill.c: Likewise.
        * libm/common/fabsl.c: Likewise.
        * libm/common/floorl.c: Likewise.
        * libm/common/acosl.c: Likewise.
        * libm/common/asinl.c: Likewise.
        * libm/common/atan2l.c: Likewise.
        * libm/common/coshl.c: Likewise.
        * libm/common/expl.c: Likewise.
        * libm/common/fmodl.c: Likewise.
        * libm/common/hypotl.c: Likewise.
        * libm/common/ldexpl.c: Likewise.
        * libm/common/log10l.c: Likewise.
        * libm/common/logl.c: Likewise.
        * libm/common/powl.c: Likewise.
        * libm/common/sqrtl.c: Likewise.
        * libm/common/copysignl.c: Likewise.
        * libm/common/ilogbl.c: Likewise.
        * libm/common/nanl.c: Likewise.
        * libm/common/cbrtl.c: Likewise.
        * libm/common/asinhl.c: Likewise.
        * libm/common/nextafterl.c: Likewise.
        * libm/common/rintl.c: Likewise.
        * libm/common/scalbnl.c: Likewise.
        * libm/common/exp2l.c: Likewise.
        * libm/common/fdiml.c: Likewise.
        * libm/common/fmal.c: Likewise.
        * libm/common/fmaxl.c: Likewise.
        * libm/common/fminl.c: Likewise.
        * libm/common/lrintl.c: Likewise.
        * libm/common/lroundl.c: Likewise.
        * libm/common/nearbyintl.c: Likewise.
        * libm/common/remquol.c: Likewise.
        * libm/common/roundl.c: Likewise.
        * libm/common/scalblnl.c: Likewise.
        * libm/common/truncl.c: Likewise.
        * libm/common/acoshl.c: Likewise.
        * libm/common/atanhl.c: Likewise.
        * libm/common/erfcl.c: Likewise.
        * libm/common/erfl.c: Likewise.
        * libm/common/lgammal.c: Likewise.
        * libm/common/remainderl.c: Likewise.
        * libm/common/tgammal.c: Likewise.
        * libm/common/sinhl.c: Likewise.
        * libm/common/llroundl.c: Likewise.
        * libm/configure.in: Add long double check.
        * libm/configure: Regenerate.
        * libm/common/Makefile.am: Add new files.
        * libm/common/Makefile.in: Regenerate.

1 files changed, 41 insertions, 0 deletions

diff --git a/newlib/libm/common/rintl.c b/newlib/libm/common/rintl.c
new file mode 100644
index 000000000..db39c387b
--- /dev/null
+++ b/newlib/libm/common/rintl.c
@@ -0,0 +1,41 @@
+/*
+(C) Copyright IBM Corp. 2009
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+* Neither the name of IBM nor the names of its contributors may be
+used to endorse or promote products derived from this software without
+specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <math.h>
+
+/* On platforms where long double is as wide as double.  */
+#ifdef _LDBL_EQ_DBL
+long double
+rintl (long double x)
+{
+  return rint(x);
+}
+#endif
+