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| /*
| *
| * cblas_dsymv.c
| * This program is a C interface to dsymv.
| * Written by Keita Teranishi
| * 4/6/1998
| *
| */
|
| #include "cblas.h"
| #include "cblas_f77.h"
| void cblas_dsymv(const enum CBLAS_ORDER order,
| const enum CBLAS_UPLO Uplo, const int N,
| 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_lda=lda, F77_incX=incX, F77_incY=incY;
| #else
| #define F77_N N
| #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 (order == CblasColMajor)
| {
| if (Uplo == CblasUpper) UL = 'U';
| else if (Uplo == CblasLower) UL = 'L';
| else
| {
| cblas_xerbla(2, "cblas_dsymv","Illegal Uplo setting, %d\n",Uplo );
| CBLAS_CallFromC = 0;
| RowMajorStrg = 0;
| return;
| }
| #ifdef F77_CHAR
| F77_UL = C2F_CHAR(&UL);
| #endif
| F77_dsymv(F77_UL, &F77_N, &alpha, A, &F77_lda, X,
| &F77_incX, &beta, Y, &F77_incY);
| }
| else if (order == CblasRowMajor)
| {
| RowMajorStrg = 1;
| if (Uplo == CblasUpper) UL = 'L';
| else if (Uplo == CblasLower) UL = 'U';
| else
| {
| cblas_xerbla(2, "cblas_dsymv","Illegal Uplo setting, %d\n", Uplo);
| CBLAS_CallFromC = 0;
| RowMajorStrg = 0;
| return;
| }
| #ifdef F77_CHAR
| F77_UL = C2F_CHAR(&UL);
| #endif
| F77_dsymv(F77_UL, &F77_N, &alpha,
| A ,&F77_lda, X,&F77_incX, &beta, Y, &F77_incY);
| }
| else cblas_xerbla(1, "cblas_dsymv", "Illegal Order setting, %d\n", order);
| CBLAS_CallFromC = 0;
| RowMajorStrg = 0;
| return;
| }
|
|
