F77_dtpsv()

void F77_dtpsv	(	CBLAS_INT *	layout,
		char *	uplow,
		char *	transp,
		char *	diagn,
		CBLAS_INT *	n,
		double *	ap,
		double *	x,
		CBLAS_INT *	incx
	)

Definition at line 440 of file c_dblas2.c.

                                                                    {
  double *A, *AP;
  CBLAS_INT i, j, k, LDA;
  CBLAS_TRANSPOSE trans;
  CBLAS_UPLO uplo;
  CBLAS_DIAG diag;
 
  get_transpose_type(transp,&trans);
  get_uplo_type(uplow,&uplo);
  get_diag_type(diagn,&diag);
 
  if (*layout == TEST_ROW_MJR) {
     LDA = *n;
     A   = ( double* )malloc( LDA*LDA*sizeof( double ) );
     AP  = ( double* )malloc( (((LDA+1)*LDA)/2)*sizeof( double ) );
     if (uplo == CblasUpper) {
        for( j=0, k=0; j<*n; j++ )
           for( i=0; i<j+1; i++, k++ )
              A[ LDA*i+j ]=ap[ k ];
        for( i=0, k=0; i<*n; i++ )
           for( j=i; j<*n; j++, k++ )
              AP[ k ]=A[ LDA*i+j ];
 
     }
     else {
        for( j=0, k=0; j<*n; j++ )
           for( i=j; i<*n; i++, k++ )
              A[ LDA*i+j ]=ap[ k ];
        for( i=0, k=0; i<*n; i++ )
           for( j=0; j<i+1; j++, k++ )
              AP[ k ]=A[ LDA*i+j ];
     }
     cblas_dtpsv( CblasRowMajor, uplo, trans, diag, *n, AP, x, *incx );
     free(A);
     free(AP);
  }
  else
     cblas_dtpsv( CblasColMajor, uplo, trans, diag, *n, ap, x, *incx );
}

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