blob: 967777aff5d3d44c783329924db6c921c4ac8801 (
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
35
36
37
38
39
40
|
/* Return positive difference between arguments.
Copyright (C) 1997-2017 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 <errno.h>
#include <math.h>
#include <math_private.h>
FLOAT
M_DECL_FUNC (__fdim) (FLOAT x, FLOAT y)
{
if (islessequal (x, y))
return 0;
FLOAT r = math_narrow_eval (x - y);
if (isinf (r) && !isinf (x) && !isinf (y))
__set_errno (ERANGE);
return r;
}
declare_mgen_alias (__fdim, fdim);
#if M_LIBM_NEED_COMPAT (fdim)
declare_mgen_libm_compat (__fdim, fdim)
#endif
|
