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525f8039 | 1 | /* Return value with minimum magnitude. |
581c785b | 2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
525f8039 JM |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
525f8039 JM |
18 | |
19 | #include <math.h> | |
20 | ||
21 | FLOAT | |
22 | M_DECL_FUNC (__fminmag) (FLOAT x, FLOAT y) | |
23 | { | |
24 | FLOAT ax = M_FABS (x); | |
25 | FLOAT ay = M_FABS (y); | |
26 | if (isless (ax, ay)) | |
27 | return x; | |
28 | else if (isgreater (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 | ||
38 | declare_mgen_alias (__fminmag, fminmag); |