1/* Return value with maximum magnitude.
2 Copyright (C) 2016-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <math.h>
20
21FLOAT
22M_DECL_FUNC (__fmaxmag) (FLOAT x, FLOAT y)
23{
24 FLOAT ax = M_FABS (x);
25 FLOAT ay = M_FABS (y);
26 if (isgreater (ax, ay))
27 return x;
28 else if (isless (ax, ay))
29 return y;
30 else if (ax == ay)
31 return x > y ? x : y;
32 else if (issignaling (x) || issignaling (y))
33 return x + y;
34 else
35 return isnan (y) ? x : y;
36}
37
38declare_mgen_alias (__fmaxmag, fmaxmag);
39

source code of glibc/math/s_fmaxmag_template.c