F77_dgemm()

void F77_dgemm	(	int *	layout,
		char *	transpa,
		char *	transpb,
		int *	m,
		int *	n,
		int *	k,
		double *	alpha,
		double *	a,
		int *	lda,
		double *	b,
		int *	ldb,
		double *	beta,
		double *	c,
		int *	ldc
	)

Definition at line 14 of file c_dblas3.c.

                                                  {
 
  double *A, *B, *C;
  int i,j,LDA, LDB, LDC;
  CBLAS_TRANSPOSE transa, transb;
 
  get_transpose_type(transpa, &transa);
  get_transpose_type(transpb, &transb);
 
  if (*layout == TEST_ROW_MJR) {
     if (transa == CblasNoTrans) {
        LDA = *k+1;
        A = (double *)malloc( (*m)*LDA*sizeof( double ) );
        for( i=0; i<*m; i++ )
           for( j=0; j<*k; j++ )
              A[i*LDA+j]=a[j*(*lda)+i];
     }
     else {
        LDA = *m+1;
        A   = ( double* )malloc( LDA*(*k)*sizeof( double ) );
        for( i=0; i<*k; i++ )
           for( j=0; j<*m; j++ )
              A[i*LDA+j]=a[j*(*lda)+i];
     }
     if (transb == CblasNoTrans) {
        LDB = *n+1;
        B   = ( double* )malloc( (*k)*LDB*sizeof( double ) );
        for( i=0; i<*k; i++ )
           for( j=0; j<*n; j++ )
              B[i*LDB+j]=b[j*(*ldb)+i];
     }
     else {
        LDB = *k+1;
        B   = ( double* )malloc( LDB*(*n)*sizeof( double ) );
        for( i=0; i<*n; i++ )
           for( j=0; j<*k; j++ )
              B[i*LDB+j]=b[j*(*ldb)+i];
     }
     LDC = *n+1;
     C   = ( double* )malloc( (*m)*LDC*sizeof( double ) );
     for( j=0; j<*n; j++ )
        for( i=0; i<*m; i++ )
           C[i*LDC+j]=c[j*(*ldc)+i];
 
     cblas_dgemm( CblasRowMajor, transa, transb, *m, *n, *k, *alpha, A, LDA,
                  B, LDB, *beta, C, LDC );
     for( j=0; j<*n; j++ )
        for( i=0; i<*m; i++ )
           c[j*(*ldc)+i]=C[i*LDC+j];
     free(A);
     free(B);
     free(C);
  }
  else if (*layout == TEST_COL_MJR)
     cblas_dgemm( CblasColMajor, transa, transb, *m, *n, *k, *alpha, a, *lda,
                  b, *ldb, *beta, c, *ldc );
  else
     cblas_dgemm( UNDEFINED, transa, transb, *m, *n, *k, *alpha, a, *lda,
                  b, *ldb, *beta, c, *ldc );
}

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