invert.c File Reference

#include "opj_includes.h"

Functions
static OPJ_BOOL	opj_lupDecompose (OPJ_FLOAT32 *matrix, OPJ_UINT32 *permutations, OPJ_FLOAT32 *p_swap_area, OPJ_UINT32 nb_compo)
	LUP decomposition. More...
static void	opj_lupSolve (OPJ_FLOAT32 *pResult, OPJ_FLOAT32 *pMatrix, OPJ_FLOAT32 *pVector, OPJ_UINT32 *pPermutations, OPJ_UINT32 nb_compo, OPJ_FLOAT32 *p_intermediate_data)
	LUP solving. More...
static void	opj_lupInvert (OPJ_FLOAT32 *pSrcMatrix, OPJ_FLOAT32 *pDestMatrix, OPJ_UINT32 nb_compo, OPJ_UINT32 *pPermutations, OPJ_FLOAT32 *p_src_temp, OPJ_FLOAT32 *p_dest_temp, OPJ_FLOAT32 *p_swap_area)
	LUP inversion (call with the result of lupDecompose) More...
OPJ_BOOL	opj_matrix_inversion_f (OPJ_FLOAT32 *pSrcMatrix, OPJ_FLOAT32 *pDestMatrix, OPJ_UINT32 nb_compo)
	Matrix inversion. More...

Function Documentation

opj_lupDecompose()

static OPJ_BOOL opj_lupDecompose ( OPJ_FLOAT32 *  matrix, OPJ_UINT32 *  permutations, OPJ_FLOAT32 *  p_swap_area, OPJ_UINT32  nb_compo  )

static

LUP decomposition.

References OPJ_FALSE, and OPJ_TRUE.

Referenced by opj_matrix_inversion_f().

opj_lupInvert()

static void opj_lupInvert ( OPJ_FLOAT32 *  pSrcMatrix, OPJ_FLOAT32 *  pDestMatrix, OPJ_UINT32  nb_compo, OPJ_UINT32 *  pPermutations, OPJ_FLOAT32 *  p_src_temp, OPJ_FLOAT32 *  p_dest_temp, OPJ_FLOAT32 *  p_swap_area  )

static

LUP inversion (call with the result of lupDecompose)

References opj_lupSolve().

Referenced by opj_matrix_inversion_f().

opj_lupSolve()

static void opj_lupSolve ( OPJ_FLOAT32 *  pResult, OPJ_FLOAT32 *  pMatrix, OPJ_FLOAT32 *  pVector, OPJ_UINT32 *  pPermutations, OPJ_UINT32  nb_compo, OPJ_FLOAT32 *  p_intermediate_data  )

static

LUP solving.

Referenced by opj_lupInvert().

opj_matrix_inversion_f()

OPJ_BOOL opj_matrix_inversion_f	(	OPJ_FLOAT32 *	pSrcMatrix,
		OPJ_FLOAT32 *	pDestMatrix,
		OPJ_UINT32	nb_compo
	)

Matrix inversion.

Calculates a n x n double matrix inversion with a LUP method.

References OPJ_FALSE, opj_free(), opj_lupDecompose(), opj_lupInvert(), opj_malloc(), and OPJ_TRUE.

Referenced by opj_j2k_setup_encoder().