mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* 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
|