cblas_sgemv.c File Reference

#include "cblas.h"
#include "cblas_f77.h"

Go to the source code of this file.

Macros
#define	F77_TA   &TA
#define	F77_M   M
#define	F77_N   N
#define	F77_lda   lda
#define	F77_incX   incX
#define	F77_incY   incY

Functions
void	cblas_sgemv (const CBLAS_LAYOUT layout, const CBLAS_TRANSPOSE TransA, const CBLAS_INT M, const CBLAS_INT N, const float alpha, const float *A, const CBLAS_INT lda, const float *X, const CBLAS_INT incX, const float beta, float *Y, const CBLAS_INT incY)

Macro Definition Documentation

F77_incX

#define F77_incX   incX

F77_incY

#define F77_incY   incY

F77_lda

#define F77_lda   lda

F77_M

#define F77_M   M

F77_N

#define F77_N   N

F77_TA

#define F77_TA   &TA

Function Documentation

cblas_sgemv()

void cblas_sgemv	(	const CBLAS_LAYOUT	layout,
		const CBLAS_TRANSPOSE	TransA,
		const CBLAS_INT	M,
		const CBLAS_INT	N,
		const float	alpha,
		const float *	A,
		const CBLAS_INT	lda,
		const float *	X,
		const CBLAS_INT	incX,
		const float	beta,
		float *	Y,
		const CBLAS_INT	incY )

Definition at line 11 of file cblas_sgemv.c.

{
   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;
#else
   #define F77_M M
   #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 (layout == CblasColMajor)
   {
      if (TransA == CblasNoTrans) TA = 'N';
      else if (TransA == CblasTrans) TA = 'T';
      else if (TransA == CblasConjTrans) TA = 'C';
      else
      {
         cblas_xerbla(2, "cblas_sgemv","Illegal TransA setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
      }
      #ifdef F77_CHAR
         F77_TA = C2F_CHAR(&TA);
      #endif
      F77_sgemv(F77_TA, &F77_M, &F77_N, &alpha, A, &F77_lda, X, &F77_incX,
                &beta, Y, &F77_incY);
   }
   else if (layout == 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_sgemv", "Illegal TransA setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_TA = C2F_CHAR(&TA);
      #endif
      F77_sgemv(F77_TA, &F77_N, &F77_M, &alpha, A, &F77_lda, X,
                &F77_incX, &beta, Y, &F77_incY);
   }
   else cblas_xerbla(1, "cblas_sgemv", "Illegal layout setting, %d\n", layout);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
   return;
}