coco
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
|
|
*
|
|
* cblas_sgemv.c
|
|
* This program is a C interface to sgemv.
|
|
* Written by Keita Teranishi
|
|
* 4/6/1998
|
|
*
|
|
*/
|
|
#include "cblas.h"
|
|
#include "cblas_f77.h"
|
|
void cblas_sgemv(const enum CBLAS_ORDER order,
|
|
const enum CBLAS_TRANSPOSE TransA, const CBLAS_INT_TYPE M, const CBLAS_INT_TYPE N,
|
|
const float alpha, const float *A, const CBLAS_INT_TYPE lda,
|
|
const float *X, const CBLAS_INT_TYPE incX, const float beta,
|
|
float *Y, const CBLAS_INT_TYPE incY)
|
|
{
|
|
char TA;
|
|
#ifdef F77_CHAR
|
|
F77_CHAR F77_TA;
|
|
#else
|
|
#define F77_TA &TA
|
|
#endif
|
|
#ifdef F77_INT
|
|
F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_incX=incX, F77_incY=incY;
|
|
#else
|
|
#define F77_M M
|
|
#define F77_N N
|
|
#define F77_lda lda
|
|
#define F77_incX incX
|
|
#define F77_incY incY
|
|
#endif
|
|
|
|
|
|
if (order == CblasColMajor)
|
|
{
|
|
if (TransA == CblasNoTrans) TA = 'N';
|
|
else if (TransA == CblasTrans) TA = 'T';
|
|
else if (TransA == CblasConjTrans) TA = 'C';
|
|
else
|
|
{
|
|
cblas_xerbla(2, "cblas_sgemv","Illegal TransA setting, %d\n", TransA);
|
|
}
|
|
#ifdef F77_CHAR
|
|
F77_TA = C2F_CHAR(&TA);
|
|
#endif
|
|
F77_sgemv(F77_TA, &F77_M, &F77_N, &alpha, A, &F77_lda, X, &F77_incX,
|
|
&beta, Y, &F77_incY);
|
|
}
|
|
else if (order == CblasRowMajor)
|
|
{
|
|
if (TransA == CblasNoTrans) TA = 'T';
|
|
else if (TransA == CblasTrans) TA = 'N';
|
|
else if (TransA == CblasConjTrans) TA = 'N';
|
|
else
|
|
{
|
|
cblas_xerbla(2, "cblas_sgemv", "Illegal TransA setting, %d\n", TransA);
|
|
return;
|
|
}
|
|
#ifdef F77_CHAR
|
|
F77_TA = C2F_CHAR(&TA);
|
|
#endif
|
|
F77_sgemv(F77_TA, &F77_N, &F77_M, &alpha, A, &F77_lda, X,
|
|
&F77_incX, &beta, Y, &F77_incY);
|
|
}
|
|
else cblas_xerbla(1, "cblas_sgemv", "Illegal Order setting, %d\n", order);
|
|
return;
|
|
}
|