Replacements for frequently missing libm functions. More...

#include <math.h>
#include "config.h"
#include "attributes.h"
#include "intfloat.h"
#include "mathematics.h"

Macros
#define	atanf(x) ((float)atan(x))

#define	atan2f(y, x) ((float)atan2(y, x))

#define	powf(x, y) ((float)pow(x, y))

#define	cosf(x) ((float)cos(x))

#define	FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))

#define	expf(x) ((float)exp(x))

#define	exp2(x) exp((x) * M_LN2)

#define	exp2f(x) ((float)exp2(x))

#define	isinf(x)

#define	isnan(x)

#define	isfinite(x)

#define	ldexpf(x, exp) ((float)ldexp(x, exp))

#define	llrint(x) ((long long)rint(x))

#define	llrintf(x) ((long long)rint(x))

#define	log2(x) (log(x) * 1.44269504088896340736)

#define	log2f(x) ((float)log2(x))

#define	log10f(x) ((float)log10(x))

#define	sinf(x) ((float)sin(x))

Detailed Description

Replacements for frequently missing libm functions.

Macro Definition Documentation

#define isfinite ( x )

Value:

(sizeof(x) == sizeof(float)      \
        ? avpriv_isfinitef(x)        \
        : avpriv_isfinite(x))

#define isinf ( x )

Value:

(sizeof(x) == sizeof(float)   \
        ? avpriv_isinff(x)        \
        : avpriv_isinf(x))

#define isnan ( x )

Value:

(sizeof(x) == sizeof(float)   \
        ? avpriv_isnanf(x)        \
        : avpriv_isnan(x))