cblas_dgemv()

void cblas_dgemv	(	const CBLAS_LAYOUT	layout,
		const CBLAS_TRANSPOSE	TransA,
		const int	M,
		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
	)

Definition at line 11 of file cblas_dgemv.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_dgemv","Illegal TransA setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_TA = C2F_CHAR(&TA);
      #endif
      F77_dgemv(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_dgemv","Illegal TransA setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_TA = C2F_CHAR(&TA);
      #endif
      F77_dgemv(F77_TA, &F77_N, &F77_M, &alpha, A, &F77_lda, X,
                &F77_incX, &beta, Y, &F77_incY);
   }
   else cblas_xerbla(1, "cblas_dgemv", "Illegal layout setting, %d\n", layout);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
   return;
}

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