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/*
* cblas_dspr2.c
* The program is a C interface to dspr2.
*
* Keita Teranishi 5/20/98
*
*/
#include "cblas.h"
#include "cblas_f77.h"
void cblas_dspr2(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
const int N, const double alpha, const double *X,
const int incX, const double *Y, const int incY, double *A)
{
char UL;
#ifdef F77_CHAR
F77_CHAR F77_UL;
#else
#define F77_UL &UL
#endif
#ifdef F77_INT
F77_INT F77_N=N, F77_incX=incX, F77_incY=incY;
#else
#define F77_N N
#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 == CblasLower) UL = 'L';
else if (Uplo == CblasUpper) UL = 'U';
else
{
cblas_xerbla(2, "cblas_dspr2","Illegal Uplo setting, %d\n",Uplo );
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
#endif
F77_dspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
} else if (order == CblasRowMajor)
{
RowMajorStrg = 1;
if (Uplo == CblasLower) UL = 'U';
else if (Uplo == CblasUpper) UL = 'L';
else
{
cblas_xerbla(2, "cblas_dspr2","Illegal Uplo setting, %d\n",Uplo );
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
#endif
F77_dspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
} else cblas_xerbla(1, "cblas_dspr2", "Illegal Order setting, %d\n", order);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
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