mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* Return value with maximum magnitude.
|
|
Copyright (C) 2016-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <math.h>
|
|
|
|
FLOAT
|
|
M_DECL_FUNC (__fmaxmag) (FLOAT x, FLOAT y)
|
|
{
|
|
FLOAT ax = M_FABS (x);
|
|
FLOAT ay = M_FABS (y);
|
|
if (isgreater (ax, ay))
|
|
return x;
|
|
else if (isless (ax, ay))
|
|
return y;
|
|
else if (ax == ay)
|
|
return x > y ? x : y;
|
|
else if (issignaling (x) || issignaling (y))
|
|
return x + y;
|
|
else
|
|
return isnan (y) ? x : y;
|
|
}
|
|
|
|
declare_mgen_alias (__fmaxmag, fmaxmag);
|