mathematics.c File Reference

miscellaneous math routines and tables More...

#include <stdint.h>
#include <limits.h>
#include "avutil.h"
#include "mathematics.h"
#include "libavutil/intmath.h"
#include "libavutil/common.h"
#include "avassert.h"

Go to the source code of this file.

Functions
int64_t	av_gcd (int64_t a, int64_t b)
	Compute the greatest common divisor of two integer operands.
int64_t	av_rescale_rnd (int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
	Rescale a 64-bit integer with specified rounding.
int64_t	av_rescale (int64_t a, int64_t b, int64_t c)
	Rescale a 64-bit integer with rounding to nearest.
int64_t	av_rescale_q_rnd (int64_t a, AVRational bq, AVRational cq, enum AVRounding rnd)
	Rescale a 64-bit integer by 2 rational numbers with specified rounding.
int64_t	av_rescale_q (int64_t a, AVRational bq, AVRational cq)
	Rescale a 64-bit integer by 2 rational numbers.
int	av_compare_ts (int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b)
	Compare two timestamps each in its own time base.
int64_t	av_compare_mod (uint64_t a, uint64_t b, uint64_t mod)
	Compare the remainders of two integer operands divided by a common divisor.
int64_t	av_rescale_delta (AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t *last, AVRational out_tb)
	Rescale a timestamp while preserving known durations.
int64_t	av_add_stable (AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t inc)
	Add a value to a timestamp.
static double	eval_poly (const double *coeff, int size, double x)
double	av_bessel_i0 (double x)
	0th order modified bessel function of the first kind.

Detailed Description

miscellaneous math routines and tables

Definition in file mathematics.c.

Function Documentation

eval_poly()

static double eval_poly ( const double * coeff, int size, double x )

inlinestatic

Definition at line 217 of file mathematics.c.

Referenced by av_bessel_i0().