blas.h

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#ifndef BLAS_H
#define BLAS_H


#include <jwsc/config.h>

#include <stdlib.h>

#include "jwsc/math/complex.h"


#ifdef __cplusplus
namespace jwsc {
extern "C" {
#endif


/* ===============  LEVEL 1 PROTOTYPES ==============*/


void blas_sswap(int n, float* x, int inc_x, float* y, int inc_y);

void blas_dswap(int n, double* x, int inc_x, double* y, int inc_y);

void blas_cswap(int n, Complex_f* x, int inc_x, Complex_f* y, int inc_y);

void blas_zswap(int n, Complex_d* x, int inc_x, Complex_d* y, int inc_y);

void blas_sscal(int n, float a, float* x, int inc_x);

void blas_dscal(int n, double a, double* x, int inc_x);

void blas_cscal(int n, Complex_f a, Complex_f* x, int inc_x);

void blas_zscal(int n, Complex_d a, Complex_d* x, int inc_x);

void blas_scopy(int n, const float* x, int inc_x, float* y, int inc_y);

void blas_dcopy(int n, const double* x, int inc_x, double* y, int inc_y);

void blas_ccopy(int n, const Complex_f* x, int inc_x, Complex_f* y, int inc_y);

void blas_zcopy(int n, const Complex_d* x, int inc_x, Complex_d* y, int inc_y);

void blas_saxpy
(
    int          n, 
    float        a, 
    const float* x, 
    int          inc_x, 
    float*       y, 
    int          inc_y
);

void blas_daxpy
(
    int           n, 
    double        a, 
    const double* x, 
    int           inc_x, 
    double*       y, 
    int           inc_y
);

void blas_caxpy
(
    int              n, 
    Complex_f        a, 
    const Complex_f* x, 
    int              inc_x, 
    Complex_f*       y, 
    int              inc_y
);

void blas_zaxpy
(
    int              n, 
    Complex_d        a, 
    const Complex_d* x, 
    int              inc_x, 
    Complex_d*       y, 
    int              inc_y
);

float blas_sdot(int n, const float* x, int inc_x, const float* y, int inc_y);

double blas_ddot(int n, const double* x, int inc_x, const double* y, int inc_y);

float blas_snrm2(int n, const float* x, int inc_x);

double blas_dnrm2(int n, const double* x, int inc_x);

float blas_sasum(int n, const float* x, int inc_x);

double blas_dasum(int n, const double* x, int inc_x);

int blas_isamax(int n, const float* x, int inc_x);

int blas_idamax(int n, const double* x, int inc_x);

int blas_icamax(int n, const Complex_f* x, int inc_x);

int blas_izamax(int n, const Complex_d* x, int inc_x);

/* ===============  LEVEL 2 PROTOTYPES ==============*/


void blas_sgemv
(
    char         trans, 
    int          m, 
    int          n, 
    float        alpha, 
    const float* A, 
    int          lda,
    const float* x,
    int          inc_x,
    float        beta,
    float*       y,
    int          inc_y
);

void blas_dgemv
(
    char          trans, 
    int           m, 
    int           n, 
    double        alpha, 
    const double* A, 
    int           lda,
    const double* x,
    int           inc_x,
    double        beta,
    double*       y,
    int           inc_y
);

void blas_cgemv
(
    char             trans, 
    int              m, 
    int              n, 
    Complex_f        alpha, 
    const Complex_f* A, 
    int              lda,
    const Complex_f* x,
    int              inc_x,
    Complex_f        beta,
    Complex_f*       y,
    int              inc_y
);

void blas_zgemv
(
    char             trans, 
    int              m, 
    int              n, 
    Complex_d        alpha, 
    const Complex_d* A, 
    int              lda,
    const Complex_d* x,
    int              inc_x,
    Complex_d        beta,
    Complex_d*       y,
    int              inc_y
);

/* ===============  LEVEL 3 PROTOTYPES ==============*/


void blas_sgemm
(
    char         trans_a, 
    char         trans_b, 
    int          m, 
    int          n, 
    int          k, 
    float        alpha, 
    const float* A, 
    int          lda,
    const float* B,
    int          ldb,
    float        beta,
    float*       C,
    int          ldc
);

void blas_dgemm
(
    char          trans_a, 
    char          trans_b, 
    int           m, 
    int           n, 
    int           k, 
    double        alpha, 
    const double* A, 
    int           lda,
    const double* B,
    int           ldb,
    double        beta,
    double*       C,
    int           ldc
);

void blas_cgemm
(
    char             trans_a, 
    char             trans_b, 
    int              m, 
    int              n, 
    int              k, 
    Complex_f        alpha, 
    const Complex_f* A, 
    int              lda,
    const Complex_f* B,
    int              ldb,
    Complex_f        beta,
    Complex_f*       C,
    int              ldc
);

void blas_zgemm
(
    char             trans_a, 
    char             trans_b, 
    int              m, 
    int              n, 
    int              k, 
    Complex_d        alpha, 
    const Complex_d* A, 
    int              lda,
    const Complex_d* B,
    int              ldb,
    Complex_d        beta,
    Complex_d*       C,
    int              ldc
);

#ifdef __cplusplus
}
}
#endif


#endif