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/*
*
* cblas_sspmv.c
* This program is a C interface to sspmv.
* Written by Keita Teranishi
* 4/6/1998
*
*/
#include "cblas.h"
#include "cblas_f77.h"
void cblas_sspmv(const CBLAS_LAYOUT layout,
const CBLAS_UPLO Uplo, const int N,
const float alpha, const float *AP,
const float *X, const int incX, const float beta,
float *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_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 (layout == CblasColMajor)
{
if (Uplo == CblasUpper) UL = 'U';
else if (Uplo == CblasLower) UL = 'L';
else
{
cblas_xerbla(2, "cblas_sspmv","Illegal Uplo setting, %d\n",Uplo );
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
#endif
F77_sspmv(F77_UL, &F77_N, &alpha, AP, 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_sspmv","Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
#endif
F77_sspmv(F77_UL, &F77_N, &alpha,
AP, X,&F77_incX, &beta, Y, &F77_incY);
}
else cblas_xerbla(1, "cblas_sspmv", "Illegal layout setting, %d\n", layout);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
}
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