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/*
*
* cblas_dgbmv.c
* This program is a C interface to dgbmv.
* Written by Keita Teranishi
* 4/6/1998
*
*/
#include "cblas.h"
#include "cblas_f77.h"
void cblas_dgbmv(const enum CBLAS_ORDER order,
const enum CBLAS_TRANSPOSE TransA, const int M, const int N,
const int KL, const int KU,
const double alpha, const double *A, const int lda,
const double *X, const int incX, const double beta,
double *Y, const int 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;
F77_INT F77_KL=KL,F77_KU=KU;
#else
#define F77_M M
#define F77_N N
#define F77_lda lda
#define F77_KL KL
#define F77_KU KU
#define F77_incX incX
#define F77_incY incY
#endif
extern int CBLAS_CallFromC;
extern int RowMajorStrg;
RowMajorStrg = 0;
CBLAS_CallFromC = 1;
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_dgbmv","Illegal TransA setting, %d\n", TransA);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_TA = C2F_CHAR(&TA);
#endif
F77_dgbmv(F77_TA, &F77_M, &F77_N, &F77_KL, &F77_KU, &alpha,
A, &F77_lda, X, &F77_incX, &beta, Y, &F77_incY);
}
else if (order == CblasRowMajor)
{
RowMajorStrg = 1;
if (TransA == CblasNoTrans) TA = 'T';
else if (TransA == CblasTrans) TA = 'N';
else if (TransA == CblasConjTrans) TA = 'N';
else
{
cblas_xerbla(2, "cblas_dgbmv","Illegal TransA setting, %d\n", TransA);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_TA = C2F_CHAR(&TA);
#endif
F77_dgbmv(F77_TA, &F77_N, &F77_M, &F77_KU, &F77_KL, &alpha,
A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
}
else cblas_xerbla(1, "cblas_dgbmv", "Illegal Order setting, %d\n", order);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
}
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