1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg 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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <math.h>
20
21 #define FUN(name, type, op) \
22 type name(type x, type y) \
23 { \
24 if (fpclassify(x) == FP_NAN) return y; \
25 if (fpclassify(y) == FP_NAN) return x; \
26 return x op y ? x : y; \
27 }
28
29 FUN(fmin, double, <)
30 FUN(fmax, double, >)
31 FUN(fminf, float, <)
32 FUN(fmaxf, float, >)
33
fmodl(long double x,long double y)34 long double fmodl(long double x, long double y)
35 {
36 return fmod(x, y);
37 }
38
scalbnl(long double x,int exp)39 long double scalbnl(long double x, int exp)
40 {
41 return scalbn(x, exp);
42 }
43
copysignl(long double x,long double y)44 long double copysignl(long double x, long double y)
45 {
46 return copysign(x, y);
47 }
48