cblas_dtbmv()

void cblas_dtbmv	(	CBLAS_LAYOUT	layout,
		CBLAS_UPLO	Uplo,
		CBLAS_TRANSPOSE	TransA,
		CBLAS_DIAG	Diag,
		const int	N,
		const int	K,
		const double *	A,
		const int	lda,
		double *	X,
		const int	incX
	)

Definition at line 10 of file cblas_dtbmv.c.

{
   char TA;
   char UL;
   char DI;
#ifdef F77_CHAR
   F77_CHAR F77_TA, F77_UL, F77_DI;
#else
   #define F77_TA &TA
   #define F77_UL &UL
   #define F77_DI &DI
#endif
#ifdef F77_INT
   F77_INT F77_N=N, F77_lda=lda, F77_K=K, F77_incX=incX;
#else
   #define F77_N N
   #define F77_K K
   #define F77_lda lda
   #define F77_incX incX
#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_dtbmv","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      if (TransA == CblasNoTrans) TA = 'N';
      else if (TransA == CblasTrans) TA = 'T';
      else if (TransA == CblasConjTrans) TA = 'C';
      else
      {
         cblas_xerbla(3, "cblas_dtbmv","Illegal TransA setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      if (Diag == CblasUnit) DI = 'U';
      else if (Diag == CblasNonUnit) DI = 'N';
      else
      {
         cblas_xerbla(4, "cblas_dtbmv","Illegal Diag setting, %d\n", Diag);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
         F77_TA = C2F_CHAR(&TA);
         F77_DI = C2F_CHAR(&DI);
      #endif
      F77_dtbmv( F77_UL, F77_TA, F77_DI, &F77_N, &F77_K, A, &F77_lda, X,
                      &F77_incX);
   }
   else if (layout == CblasRowMajor)
   {
      RowMajorStrg = 1;
      if (Uplo == CblasUpper) UL = 'L';
      else if (Uplo == CblasLower) UL = 'U';
      else
      {
         cblas_xerbla(2, "cblas_dtbmv","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if (TransA == CblasNoTrans) TA = 'T';
      else if (TransA == CblasTrans) TA = 'N';
      else if (TransA == CblasConjTrans) TA = 'N';
      else
      {
         cblas_xerbla(3, "cblas_dtbmv","Illegal TransA setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if (Diag == CblasUnit) DI = 'U';
      else if (Diag == CblasNonUnit) DI = 'N';
      else
      {
         cblas_xerbla(4, "cblas_dtbmv","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
         F77_TA = C2F_CHAR(&TA);
         F77_DI = C2F_CHAR(&DI);
      #endif
 
      F77_dtbmv( F77_UL, F77_TA, F77_DI, &F77_N, &F77_K, A, &F77_lda, X,
                      &F77_incX);
 
   }
   else cblas_xerbla(1, "cblas_dtbmv", "Illegal layout setting, %d\n", layout);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
}

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