Basic matrix and vector operations. More...

Functions
int	spr_math_mat_print (SprStream fd, const void A, int nrows, int ncols, const SprDT dt, const char info)

float *	spr_mat_f32_A_plus_scaleB_insitu (float restrict mA, int size, const float mB, float facB)

float *	spr_mat_f32_scaleA_plus_B (float restrict mC, int size, const float mA, const float *mB, float facA)

float *	spr_mat_f32_scaleA_plus_scaleB (float restrict mC, int size, const float mA, const float *mB, float facA, float facB)

float *	spr_mat_f32_scaleA_insitu (float *restrict mA, float facA, int size)

float *	spr_mat_f32_scaleA (float restrict mC, int size, const float mA, float facA)

float *	spr_mat_f32_A_plus_B (float restrict mC, int size, const float mA, const float *mB)

float *	spr_mat_f32_A_plus_B_insitu (float restrict mA, int size, const float mB)

float *	spr_mat_f32_A_minus_B (float restrict mC, int size, const float mA, const float *mB)

float *	spr_mat_f32_A_minus_B_insitu (float restrict mA, int size, const float mB)

float *	spr_mat_f32_A_dotmul_B (float restrict mC, int size, const float mA, const float *mB)

float *	spr_mat_f32_A_dotdiv_B (float restrict mC, int size, const float mA, const float *mB)

double	spr_mat_f32_A_inprod_B (const float mA, int size, const float mB)

double	spr_mat_f32_rowA_inprod_colB (const float mA, int size, const float mB, int ncolB)

float *	spr_mat_f32_A_mul_B (float restrict mC, const float mA, int nrowA, int ncolA, const float *mB, int ncolB)

float *	spr_mat_f32_At_mul_B (float restrict mC, const float mA, int nrowA, int ncolA, const float *mB, int ncolB)

float *	spr_mat_f32_A_mul_Bt (float restrict mC, const float mA, int nrowA, int ncolA, const float *mB, int nrowB)

float *	spr_mat_f32_At_mul_Bt (float restrict mC, const float mA, int nrowA, int ncolA, const float *mB, int nrowB)

float *	spr_mat_f32_colA (float restrict mC, const float mA, int nrowA, int ncolA)

float *	spr_mat_f32_At (float restrict mC, const float mA, int nrowA, int ncolA)

double	spr_mat_f32_detA (float restrict mA, float restrict copy, int size)

double	spr_mat_f32_norm2A (const float *mA, int size)

double	spr_mat_f32_prodA (const float *mA, int size)

double *	spr_mat_f64_A_plus_scaleB_insitu (double restrict mA, int size, const double mB, double facB)

double *	spr_mat_f64_scaleA_plus_B (double restrict mC, int size, const double mA, const double *mB, double facA)

double *	spr_mat_f64_scaleA_plus_scaleB (double restrict mC, int size, const double mA, const double *mB, double facA, double facB)

double *	spr_mat_f64_scaleA_insitu (double *restrict mA, double facA, int size)

double *	spr_mat_f64_scaleA (double restrict mC, int size, const double mA, double facA)

double *	spr_mat_f64_A_plus_B (double restrict mC, int size, const double mA, const double *mB)

double *	spr_mat_f64_A_plus_B_insitu (double restrict mA, int size, const double mB)

double *	spr_mat_f64_A_minus_B (double restrict mC, int size, const double mA, const double *mB)

double *	spr_mat_f64_A_minus_B_insitu (double restrict mA, int size, const double mB)

double *	spr_mat_f64_A_dotmul_B (double restrict mC, int size, const double mA, const double *mB)

double *	spr_mat_f64_A_dotdiv_B (double restrict mC, int size, const double mA, const double *mB)

double	spr_mat_f64_A_inprod_B (const double mA, int size, const double mB)

double	spr_mat_f64_rowA_inprod_colB (const double mA, int size, const double mB, int ncolB)

double *	spr_mat_f64_A_mul_B (double restrict mC, const double mA, int nrowA, int ncolA, const double *mB, int ncolB)

double *	spr_mat_f64_At_mul_B (double restrict mC, const double mA, int nrowA, int ncolA, const double *mB, int ncolB)

double *	spr_mat_f64_A_mul_Bt (double restrict mC, const double mA, int nrowA, int ncolA, const double *mB, int nrowB)

double *	spr_mat_f64_At_mul_Bt (double restrict mC, const double mA, int nrowA, int ncolA, const double *mB, int nrowB)

double *	spr_mat_f64_colA (double restrict mC, const double mA, int nrowA, int ncolA)

double *	spr_mat_f64_At (double restrict mC, const double mA, int nrowA, int ncolA)

double	spr_mat_f64_detA (double restrict mA, double restrict copy, int size)

double	spr_mat_f64_norm2A (const double *mA, int size)

double	spr_mat_f64_prodA (const double *mA, int size)

Detailed Description

Basic matrix and vector operations.

Various routines for basic linear algebra. The routines work well for the relative small vector and matrix dimensions typically used in speech recognition but are not optimized for large matrices (e.g. block matrix multiplication).

Author: Kris Demuynck

Date

xx/08/1995 - KD: Creation.
xx/07/1998 - KD: Added some routines (e.g. Mdet()).
xx/08/1998 - KD: Changed the matrix format (transposing).

Functions

Detailed Description