aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/hppa/hppa1.1/s_signbit.c
blob: 8ec4c770798ade370d090bfa2421bb22102ec869 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* Return nonzero value if number is negative.
   Copyright (C) 1997-2016 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>

#include <math_private.h>

int
__signbit (double x)
{
  int32_t hx;

  GET_HIGH_WORD (hx, x);
  return hx & 0x80000000;
}
#ifdef NO_LONG_DOUBLE
strong_alias (__signbit, __signbitl)
#endif