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| /*
| *
| * cblas_sgbmv.c
| * This program is a C interface to sgbmv.
| * Written by Keita Teranishi
| * 4/6/1998
| *
| */
|
| #include "cblas.h"
| #include "cblas_f77.h"
| void cblas_sgbmv(const enum CBLAS_ORDER order,
| const enum CBLAS_TRANSPOSE TransA, const int M, const int N,
| const int KL, const int KU,
| const float alpha, const float *A, const int lda,
| const float *X, const int incX, const float beta,
| float *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_sgbmv","Illegal TransA setting, %d\n", TransA);
| CBLAS_CallFromC = 0;
| RowMajorStrg = 0;
| return;
| }
| #ifdef F77_CHAR
| F77_TA = C2F_CHAR(&TA);
| #endif
| F77_sgbmv(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_sgbmv","Illegal TransA setting, %d\n", TransA);
| CBLAS_CallFromC = 0;
| RowMajorStrg = 0;
| return;
| }
| #ifdef F77_CHAR
| F77_TA = C2F_CHAR(&TA);
| #endif
| F77_sgbmv(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_sgbmv", "Illegal Order setting, %d\n", order);
| CBLAS_CallFromC = 0;
| RowMajorStrg = 0;
| return;
| }
|
|
