1/* Return maximum numeric value of X and Y.
2 Copyright (C) 1997-2020 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <math.h>
21
22FLOAT
23M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y)
24{
25 if (isgreaterequal (x, y))
26 return x;
27 else if (isless (x, y))
28 return y;
29 else if (issignaling (x) || issignaling (y))
30 return x + y;
31 else
32 return isnan (y) ? x : y;
33}
34
35declare_mgen_alias (__fmax, fmax);
36