cblas_dtrsm()

void cblas_dtrsm	(	CBLAS_LAYOUT	layout,
		CBLAS_SIDE	Side,
		CBLAS_UPLO	Uplo,
		CBLAS_TRANSPOSE	TransA,
		CBLAS_DIAG	Diag,
		const CBLAS_INT	M,
		const CBLAS_INT	N,
		const double	alpha,
		const double *	A,
		const CBLAS_INT	lda,
		double *	B,
		const CBLAS_INT	ldb
	)

Definition at line 12 of file cblas_dtrsm.c.

{
   char UL, TA, SD, DI;
#ifdef F77_CHAR
   F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
#else
   #define F77_TA &TA
   #define F77_UL &UL
   #define F77_SD &SD
   #define F77_DI &DI
#endif
 
#ifdef F77_INT
   F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
#else
   #define F77_M M
   #define F77_N N
   #define F77_lda lda
   #define F77_ldb ldb
#endif
 
   extern int CBLAS_CallFromC;
   extern int RowMajorStrg;
   RowMajorStrg = 0;
   CBLAS_CallFromC = 1;
 
   if( layout == CblasColMajor )
   {
      if      ( Side == CblasRight) SD='R';
      else if ( Side == CblasLeft ) SD='L';
      else
      {
         API_SUFFIX(cblas_xerbla)(2, "cblas_dtrsm","Illegal Side setting, %d\n", Side);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      if      ( Uplo == CblasUpper) UL='U';
      else if ( Uplo == CblasLower) UL='L';
      else
      {
         API_SUFFIX(cblas_xerbla)(3, "cblas_dtrsm","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if      ( TransA == CblasTrans    ) TA='T';
      else if ( TransA == CblasConjTrans) TA='C';
      else if ( TransA == CblasNoTrans  ) TA='N';
      else
      {
         API_SUFFIX(cblas_xerbla)(4, "cblas_dtrsm","Illegal Trans setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if      ( Diag == CblasUnit   ) DI='U';
      else if ( Diag == CblasNonUnit) DI='N';
      else
      {
         API_SUFFIX(cblas_xerbla)(5, "cblas_dtrsm","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_SD = C2F_CHAR(&SD);
         F77_DI = C2F_CHAR(&DI);
      #endif
 
      F77_dtrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha,
                A, &F77_lda, B, &F77_ldb);
   }
   else if (layout == CblasRowMajor)
   {
      RowMajorStrg = 1;
      if      ( Side == CblasRight) SD='L';
      else if ( Side == CblasLeft ) SD='R';
      else
      {
         API_SUFFIX(cblas_xerbla)(2, "cblas_dtrsm","Illegal Side setting, %d\n", Side);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if      ( Uplo == CblasUpper) UL='L';
      else if ( Uplo == CblasLower) UL='U';
      else
      {
         API_SUFFIX(cblas_xerbla)(3, "cblas_dtrsm","Illegal Uplo setting, %d\n", Uplo);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if      ( TransA == CblasTrans    ) TA='T';
      else if ( TransA == CblasConjTrans) TA='C';
      else if ( TransA == CblasNoTrans  ) TA='N';
      else
      {
         API_SUFFIX(cblas_xerbla)(4, "cblas_dtrsm","Illegal Trans setting, %d\n", TransA);
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
 
      if      ( Diag == CblasUnit   ) DI='U';
      else if ( Diag == CblasNonUnit) DI='N';
      else
      {
         API_SUFFIX(cblas_xerbla)(5, "cblas_dtrsm","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_SD = C2F_CHAR(&SD);
         F77_DI = C2F_CHAR(&DI);
      #endif
 
      F77_dtrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A,
               &F77_lda, B, &F77_ldb);
   }
   else API_SUFFIX(cblas_xerbla)(1, "cblas_dtrsm","Illegal layout setting, %d\n", layout);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
   return;
}

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