aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <math.h>
#define FUN(name, type, op) \
type name(type x, type y) \
{ \
if (fpclassify(x) == FP_NAN) return y; \
if (fpclassify(y) == FP_NAN) return x; \
return x op y ? x : y; \
}
FUN(fmin, double, <)
FUN(fmax, double, >)
FUN(fminf, float, <)
FUN(fmaxf, float, >)
long double fmodl(long double x, long double y)
{
return fmod(x, y);
}
long double scalbnl(long double x, int exp)
{
return scalbn(x, exp);
}
long double copysignl(long double x, long double y)
{
return copysign(x, y);
}
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