78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
|
|
*
|
|
* cblas_dsbmv.c
|
|
* This program is a C interface to dsbmv.
|
|
* Written by Keita Teranishi
|
|
* 4/6/1998
|
|
*
|
|
*/
|
|
|
|
#include "cblas.h"
|
|
#include "cblas_f77.h"
|
|
void cblas_dsbmv(const CBLAS_LAYOUT layout,
|
|
const CBLAS_UPLO Uplo, const int N, const int K,
|
|
const double alpha, const double *A, const int lda,
|
|
const double *X, const int incX, const double beta,
|
|
double *Y, const int incY)
|
|
{
|
|
char UL;
|
|
#ifdef F77_CHAR
|
|
F77_CHAR F77_UL;
|
|
#else
|
|
#define F77_UL &UL
|
|
#endif
|
|
#ifdef F77_INT
|
|
F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY;
|
|
#else
|
|
#define F77_N N
|
|
#define F77_K K
|
|
#define F77_lda lda
|
|
#define F77_incX incX
|
|
#define F77_incY incY
|
|
#endif
|
|
extern int CBLAS_CallFromC;
|
|
extern int RowMajorStrg;
|
|
RowMajorStrg = 0;
|
|
|
|
CBLAS_CallFromC = 1;
|
|
if (layout == CblasColMajor)
|
|
{
|
|
if (Uplo == CblasUpper) UL = 'U';
|
|
else if (Uplo == CblasLower) UL = 'L';
|
|
else
|
|
{
|
|
cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n",Uplo );
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
#ifdef F77_CHAR
|
|
F77_UL = C2F_CHAR(&UL);
|
|
#endif
|
|
F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X,
|
|
&F77_incX, &beta, Y, &F77_incY);
|
|
}
|
|
else if (layout == CblasRowMajor)
|
|
{
|
|
RowMajorStrg = 1;
|
|
if (Uplo == CblasUpper) UL = 'L';
|
|
else if (Uplo == CblasLower) UL = 'U';
|
|
else
|
|
{
|
|
cblas_xerbla(2, "cblas_dsbmv","Illegal Uplo setting, %d\n", Uplo);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
#ifdef F77_CHAR
|
|
F77_UL = C2F_CHAR(&UL);
|
|
#endif
|
|
F77_dsbmv(F77_UL, &F77_N, &F77_K, &alpha,
|
|
A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
|
|
}
|
|
else cblas_xerbla(1, "cblas_dsbmv", "Illegal layout setting, %d\n", layout);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|