You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
3.2 KiB
123 lines
3.2 KiB
/*
|
|
* cblas_dtbmv.c
|
|
* The program is a C interface to dtbmv.
|
|
*
|
|
* Keita Teranishi 5/20/98
|
|
*
|
|
*/
|
|
#include "cblas.h"
|
|
#include "cblas_f77.h"
|
|
void cblas_dtbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
|
|
const enum CBLAS_TRANSPOSE TransA, const enum CBLAS_DIAG Diag,
|
|
const int N, const int K, const double *A, const int lda,
|
|
double *X, const int incX)
|
|
{
|
|
char TA;
|
|
char UL;
|
|
char DI;
|
|
#ifdef F77_CHAR
|
|
F77_CHAR F77_TA, F77_UL, F77_DI;
|
|
#else
|
|
#define F77_TA &TA
|
|
#define F77_UL &UL
|
|
#define F77_DI &DI
|
|
#endif
|
|
#ifdef F77_INT
|
|
F77_INT F77_N=N, F77_lda=lda, F77_K=K, F77_incX=incX;
|
|
#else
|
|
#define F77_N N
|
|
#define F77_K K
|
|
#define F77_lda lda
|
|
#define F77_incX incX
|
|
#endif
|
|
extern int CBLAS_CallFromC;
|
|
extern int RowMajorStrg;
|
|
RowMajorStrg = 0;
|
|
|
|
CBLAS_CallFromC = 1;
|
|
if (order == CblasColMajor)
|
|
{
|
|
if (Uplo == CblasUpper) UL = 'U';
|
|
else if (Uplo == CblasLower) UL = 'L';
|
|
else
|
|
{
|
|
cblas_xerbla(2, "cblas_dtbmv","Illegal Uplo setting, %d\n", Uplo);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
if (TransA == CblasNoTrans) TA = 'N';
|
|
else if (TransA == CblasTrans) TA = 'T';
|
|
else if (TransA == CblasConjTrans) TA = 'C';
|
|
else
|
|
{
|
|
cblas_xerbla(3, "cblas_dtbmv","Illegal TransA setting, %d\n", TransA);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
if (Diag == CblasUnit) DI = 'U';
|
|
else if (Diag == CblasNonUnit) DI = 'N';
|
|
else
|
|
{
|
|
cblas_xerbla(4, "cblas_dtbmv","Illegal Diag setting, %d\n", Diag);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
#ifdef F77_CHAR
|
|
F77_UL = C2F_CHAR(&UL);
|
|
F77_TA = C2F_CHAR(&TA);
|
|
F77_DI = C2F_CHAR(&DI);
|
|
#endif
|
|
F77_dtbmv( F77_UL, F77_TA, F77_DI, &F77_N, &F77_K, A, &F77_lda, X,
|
|
&F77_incX);
|
|
}
|
|
else if (order == CblasRowMajor)
|
|
{
|
|
RowMajorStrg = 1;
|
|
if (Uplo == CblasUpper) UL = 'L';
|
|
else if (Uplo == CblasLower) UL = 'U';
|
|
else
|
|
{
|
|
cblas_xerbla(2, "cblas_dtbmv","Illegal Uplo setting, %d\n", Uplo);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
|
|
if (TransA == CblasNoTrans) TA = 'T';
|
|
else if (TransA == CblasTrans) TA = 'N';
|
|
else if (TransA == CblasConjTrans) TA = 'N';
|
|
else
|
|
{
|
|
cblas_xerbla(3, "cblas_dtbmv","Illegal TransA setting, %d\n", TransA);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
|
|
if (Diag == CblasUnit) DI = 'U';
|
|
else if (Diag == CblasNonUnit) DI = 'N';
|
|
else
|
|
{
|
|
cblas_xerbla(4, "cblas_dtbmv","Illegal Uplo setting, %d\n", Uplo);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
return;
|
|
}
|
|
#ifdef F77_CHAR
|
|
F77_UL = C2F_CHAR(&UL);
|
|
F77_TA = C2F_CHAR(&TA);
|
|
F77_DI = C2F_CHAR(&DI);
|
|
#endif
|
|
|
|
F77_dtbmv( F77_UL, F77_TA, F77_DI, &F77_N, &F77_K, A, &F77_lda, X,
|
|
&F77_incX);
|
|
|
|
}
|
|
else cblas_xerbla(1, "cblas_dtbmv", "Illegal Order setting, %d\n", order);
|
|
CBLAS_CallFromC = 0;
|
|
RowMajorStrg = 0;
|
|
}
|