libavutil/intmath.h File Reference

#include <stdint.h>
#include "config.h"
#include "attributes.h"
#include "common.h"

Go to the source code of this file.

Defines
#define	FASTDIV(a, b)   ((a) / (b))
Functions
static av_const unsigned int	ff_sqrt (unsigned int a)
Variables
const uint32_t	ff_inverse [257]
const uint8_t	ff_sqrt_tab [256]

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Define Documentation

#define FASTDIV	(	a,
		b		)	((a) / (b))

Definition at line 55 of file intmath.h.

Referenced by decode_blockcode(), ff_mpeg4_pred_dc(), ff_sqrt(), find_optimal_param(), get_dc(), mpeg4_decode_block(), msmpeg4_pred_dc(), and vorbis_residue_decode_internal().

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Function Documentation

static av_const unsigned int ff_sqrt

(

unsigned int

a

)

[inline, static]

Definition at line 78 of file intmath.h.

Referenced by dpcm_predict(), draw_arrow(), ff_estimate_p_frame_motion(), get_visual_weight(), and t_sqrt().

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Variable Documentation

const uint32_t ff_inverse[257]

Definition at line 101 of file dsputil.c.

Referenced by dct_quantize_TMPL(), msmpeg4_pred_dc(), and vorbis_residue_decode_internal().

const uint8_t ff_sqrt_tab[256]

Definition at line 31 of file mathematics.c.

Referenced by ff_sqrt().