glibc/sysdeps/ieee754/flt-32/s_signbitf.c
Wilco Dijkstra 020167a4ce Use the GCC builtin functions for the non-inlined signbit implementations.
2015-09-18  Wilco Dijkstra  <wdijkstr@arm.com>

        * sysdeps/ieee754/dbl-64/s_signbit.c (__signbit):
        Use __builtin_signbit.
        * sysdeps/ieee754/flt-32/s_signbitf.c (__signbitf):
        Use __builtin_signbitf.
        * sysdeps/ieee754/ldbl-128/s_signbitl.c (__signbitl):
        Use __builtin_signbitl.
        * sysdeps/ieee754/ldbl-128ibm/s_signbitl.c (___signbitl): Likewise.
        * sysdeps/ieee754/ldbl-96/s_signbitl.c (__signbitl): Likewise.
2015-09-18 16:39:08 +01:00

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C

/* Return nonzero value if number is negative.
Copyright (C) 1997-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <math.h>
int
__signbitf (float x)
{
return __builtin_signbitf (x);
}