cblas.h

微软的基于HMM的人脸识别原代码, 非常经典的说

#ifndef __CBLAS_H__
#define __CBLAS_H__
#include <stddef.h>

/*
 * Enumerated and derived types
 */
#define CBLAS_INDEX size_t  /* this may vary between platforms */

typedef enum {CblasRowMajor=101, CblasColMajor=102} CBLAS_ORDER;
typedef enum {CblasNoTrans=111, CblasTrans=112, CblasConjTrans=113} CBLAS_TRANSPOSE;
typedef enum {CblasUpper=121, CblasLower=122} CBLAS_UPLO;
typedef enum {CblasNonUnit=131, CblasUnit=132} CBLAS_DIAG;
typedef enum {CblasLeft=141, CblasRight=142} CBLAS_SIDE;

/*
 * ===========================================================================
 * Prototypes for level 1 BLAS functions (complex are recast as routines)
 * ===========================================================================
 */

float  cblas_sdot(const int N, const float  *X, const int incX,
                  const float  *Y, const int incY);
double cblas_ddot(const int N, const double *X, const int incX,
                  const double *Y, const int incY);

/*
 * Functions having prefixes Z and C only
 */
void   cblas_cdotu_sub(const int N, const void *X, const int incX,
                       const void *Y, const int incY, void *dotu);
void   cblas_cdotc_sub(const int N, const void *X, const int incX,
                       const void *Y, const int incY, void *dotc);

void   cblas_zdotu_sub(const int N, const void *X, const int incX,
                       const void *Y, const int incY, void *dotu);
void   cblas_zdotc_sub(const int N, const void *X, const int incX,
                       const void *Y, const int incY, void *dotc);


/*
 * Functions having prefixes S D SC DZ
 */
float  cblas_snrm2(const int N, const float *X, const int incX);
float  cblas_sasum(const int N, const float *X, const int incX);

double cblas_dnrm2(const int N, const double *X, const int incX);
double cblas_dasum(const int N, const double *X, const int incX);

float  cblas_scnrm2(const int N, const void *X, const int incX);
float  cblas_scasum(const int N, const void *X, const int incX);

double cblas_dznrm2(const int N, const void *X, const int incX);
double cblas_dzasum(const int N, const void *X, const int incX);


/*
 * Functions having standard 4 prefixes (S D C Z)
 */
CBLAS_INDEX cblas_isamax(const int N, const float  *X, const int incX);
CBLAS_INDEX cblas_idamax(const int N, const double *X, const int incX);
CBLAS_INDEX cblas_icamax(const int N, const void   *X, const int incX);
CBLAS_INDEX cblas_izamax(const int N, const void   *X, const int incX);
CBLAS_INDEX cblas_isamin(const int N, const float  *X, const int incX);
CBLAS_INDEX cblas_idamin(const int N, const double *X, const int incX);
CBLAS_INDEX cblas_icamin(const int N, const void   *X, const int incX);
CBLAS_INDEX cblas_izamin(const int N, const void   *X, const int incX);

/*
 * ===========================================================================
 * Prototypes for level 1 BLAS routines
 * ===========================================================================
 */

/*
 * Routines with standard 4 prefixes (s, d, c, z)
 */
void cblas_sswap(const int N, float *X, const int incX,
                 float *Y, const int incY);
void cblas_scopy(const int N, const float *X, const int incX,
                 float *Y, const int incY);
void cblas_saxpy(const int N, const float alpha, const float *X,
                 const int incX, float *Y, const int incY);
void cblas_srotg(float *a, float *b, float *c, float *s);

void cblas_dswap(const int N, double *X, const int incX,
                 double *Y, const int incY);
void cblas_dcopy(const int N, const double *X, const int incX,
                 double *Y, const int incY);
void cblas_daxpy(const int N, const double alpha, const double *X,
                 const int incX, double *Y, const int incY);
void cblas_drotg(double *a, double *b, double *c, double *s);

void cblas_cswap(const int N, void *X, const int incX,
                 void *Y, const int incY);
void cblas_ccopy(const int N, const void *X, const int incX,
                 void *Y, const int incY);
void cblas_caxpy(const int N, const void *alpha, const void *X,
                 const int incX, void *Y, const int incY);
void cblas_crotg(void *a, const void *b, float *c, void *s);

void cblas_zswap(const int N, void *X, const int incX,
                 void *Y, const int incY);
void cblas_zcopy(const int N, const void *X, const int incX,
                 void *Y, const int incY);
void cblas_zaxpy(const int N, const void *alpha, const void *X,
                 const int incX, void *Y, const int incY);
void cblas_zrotg(void *a, const void *b, double *c, void *s);


/*
 * Routines with S and D prefix only
 */
void cblas_srotmg(float *d1, float *d2, float *b1, const float *b2, float *P);
void cblas_srot(const int N, float *X, const int incX,
                float *Y, const int incY, const float c, const float s);
void cblas_srotm(const int N, float *X, const int incX,
                float *Y, const int incY, const float *P);

void cblas_drotmg(double *d1, double *d2, double *b1, const double *b2, double *P);
void cblas_drot(const int N, double *X, const int incX,
                double *Y, const int incY, const double c, const double  s);
void cblas_drotm(const int N, double *X, const int incX,
                double *Y, const int incY, const double *P);

/*
 * Routines with CS and ZD prefix only
 */
void cblas_csrot(const int N, void *X, const int incX,
                 void *Y, const int incY, const float c, const float s);
void cblas_zdrot(const int N, void *X, const int incX,
                 void *Y, const int incY, const double c, const double  s);

/*
 * Routines with S D C Z CS and ZD prefixes
 */
void cblas_sscal(const int N, const float alpha, float *X, const int incX);
void cblas_dscal(const int N, const double alpha, double *X, const int incX);
void cblas_cscal(const int N, const void *alpha, void *X, const int incX);
void cblas_zscal(const int N, const void *alpha, void *X, const int incX);
void cblas_csscal(const int N, const float alpha, void *X, const int incX);
void cblas_zdscal(const int N, const double alpha, void *X, const int incX);

/*
 * ===========================================================================
 * Prototypes for level 2 BLAS
 * ===========================================================================
 */

/*
 * Routines with standard 4 prefixes (S, D, C, Z)
 */
void cblas_sgemv(const  CBLAS_ORDER order,
                 const  CBLAS_TRANSPOSE TransA, const int M, const int N,
                 const float alpha, const float *A, const int lda,
                 const float *X, const int incX, const float beta,
                 float *Y, const int incY);
void cblas_sgbmv(const  CBLAS_ORDER order,
                 const  CBLAS_TRANSPOSE TransA, const int M, const int N,
                 const int KL, const int KU, const float alpha,
                 const float *A, const int lda, const float *X,
                 const int incX, const float beta, float *Y, const int incY);
void cblas_strmv(const  CBLAS_ORDER order, const  CBLAS_UPLO Uplo,
                 const  CBLAS_TRANSPOSE TransA, const  CBLAS_DIAG Diag,
                 const int N, const float *A, const int lda,
                 float *X, const int incX);
void cblas_stbmv(const  CBLAS_ORDER order, const  CBLAS_UPLO Uplo,
                 const  CBLAS_TRANSPOSE TransA, const  CBLAS_DIAG Diag,
                 const int N, const int K, const float *A, const int lda,
                 float *X, const int incX);
void cblas_stpmv(const  CBLAS_ORDER order, const  CBLAS_UPLO Uplo,
                 const  CBLAS_TRANSPOSE TransA, const  CBLAS_DIAG Diag,
                 const int N, const float *Ap, float *X, const int incX);
void cblas_strsv(const  CBLAS_ORDER order, const  CBLAS_UPLO Uplo,
                 const  CBLAS_TRANSPOSE TransA, const  CBLAS_DIAG Diag,
                 const int N, const float *A, const int lda, float *X,
                 const int incX);
void cblas_stbsv(const  CBLAS_ORDER order, const  CBLAS_UPLO Uplo,
                 const  CBLAS_TRANSPOSE TransA, const  CBLAS_DIAG Diag,
                 const int N, const int K, const float *A, const int lda,
                 float *X, const int incX);
void cblas_stpsv(const  CBLAS_ORDER order, const  CBLAS_UPLO Uplo,
                 const  CBLAS_TRANSPOSE TransA, const  CBLAS_DIAG Diag,
                 const int N, const float *Ap, float *X, const int incX);

void cblas_dgemv(const  CBLAS_ORDER order,
                 const  CBLAS_TRANSPOSE TransA, const int M, const int N,
                 const double alpha, const double *A, const int lda,
                 const double *X, const int incX, const double beta,
                 double *Y, const int incY);
void cblas_dgbmv(const  CBLAS_ORDER order,
                 const  CBLAS_TRANSPOSE TransA, const int M, const int N,
                 const int KL, const int KU, const double alpha,