1 /* Multiply a 'float' by a power of 2.
2 Copyright (C) 2011-2021 Free Software Foundation, Inc.
3
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 3 of the
7 License, or (at your option) any later version.
8
9 This file 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 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 #include <config.h>
18
19 /* Specification. */
20 #include <math.h>
21
22 /* Avoid some warnings from "gcc -Wshadow".
23 This file doesn't use the exp() function. */
24 #undef exp
25 #define exp exponent
26
27 float
28 ldexpf (float x, int exp)
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*/
29 {
30 return (float) ldexp ((double) x, exp);
31 }