xfreopen need not depend on freopen-safer
[gnulib.git] / lib / exp2f.c
blob30ba319c1e85e3cbe15a606364f2b8e34030f877
1 /* Exponential base 2 function.
2 Copyright (C) 2011-2019 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 #include <config.h>
19 /* Specification. */
20 #include <math.h>
22 float
23 exp2f (float x)
25 return (float) exp2 ((double) x);