glibc/math/s_fmax_template.c

40 lines
1.2 KiB
C

/* Return maximum numeric value of X and Y.
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 <math.h>
FLOAT
M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y)
{
if (isgreaterequal (x, y))
return x;
else if (isless (x, y))
return y;
else if (issignaling (x) || issignaling (y))
return x + y;
else
return isnan (y) ? x : y;
}
declare_mgen_alias (__fmax, fmax);
#if M_LIBM_NEED_COMPAT (fmax)
declare_mgen_libm_compat (__fmax, fmax)
#endif