int
hypre_SStructGraphFindUVEntry( hypre_SStructGraph *graph,
int part,
hypre_Index index,
int var,
hypre_SStructUVEntry **Uventry_ptr )
{
int ierr = 0;
hypre_SStructUVEntry **Uventries = hypre_SStructGraphUVEntries(graph);
hypre_SStructGrid *grid = hypre_SStructGraphGrid(graph);
int type = hypre_SStructGraphObjectType(graph);
hypre_BoxMapEntry *map_entry;
HYPRE_BigInt big_rank;
int rank;
hypre_SStructGridFindMapEntry(grid, part, index, var, &map_entry);
hypre_SStructMapEntryGetGlobalRank(map_entry, index, &big_rank, type);
if (type == HYPRE_SSTRUCT || type == HYPRE_STRUCT)
{
rank = (int)(big_rank - hypre_SStructGridGhstartRank(grid));
}
if (type == HYPRE_PARCSR)
{
rank = (int)(big_rank - hypre_SStructGridStartRank(grid));
}
*Uventry_ptr = Uventries[rank];
return ierr;
}
int
hypre_SStructUMatrixSetValues( hypre_SStructMatrix *matrix,
int part,
hypre_Index index,
int var,
int nentries,
int *entries,
double *values,
int add_to )
{
HYPRE_IJMatrix ijmatrix = hypre_SStructMatrixIJMatrix(matrix);
hypre_SStructGraph *graph = hypre_SStructMatrixGraph(matrix);
hypre_SStructGrid *grid = hypre_SStructGraphGrid(graph);
hypre_SStructStencil *stencil = hypre_SStructGraphStencil(graph, part, var);
int *vars = hypre_SStructStencilVars(stencil);
hypre_Index *shape = hypre_SStructStencilShape(stencil);
int size = hypre_SStructStencilSize(stencil);
hypre_IndexRef offset;
hypre_Index to_index;
hypre_SStructUVEntry *Uventry;
hypre_BoxMapEntry *map_entry;
hypre_SStructMapInfo *entry_info;
HYPRE_BigInt row_coord;
HYPRE_BigInt *col_coords;
int ncoeffs;
double *coeffs;
int i, entry;
int proc, myproc;
/* GEC1002 the matrix type */
int matrix_type = hypre_SStructMatrixObjectType(matrix);
hypre_SStructGridFindMapEntry(grid, part, index, var, &map_entry);
if (map_entry == NULL)
{
hypre_error_in_arg(1);
hypre_error_in_arg(2);
hypre_error_in_arg(3);
/* RDF: This printing shouldn't be on by default */
printf("Warning: Attempt to set coeffs for point not in grid\n");
printf("hypre_SStructUMatrixSetValues call aborted for grid point\n");
printf(" part=%d, var=%d, index=(%d, %d, %d)\n", part, var,
hypre_IndexD(index,0),
hypre_IndexD(index,1),
hypre_IndexD(index,2) );
return hypre_error_flag;
}
else
{
hypre_BoxMapEntryGetInfo(map_entry, (void **) &entry_info);
}
/* Only Set values if I am the owner process; off-process AddTo and Get
* values are done by IJ */
if (!add_to)
{
hypre_SStructMapEntryGetProcess(map_entry, &proc);
MPI_Comm_rank(hypre_SStructGridComm(grid), &myproc);
if (proc != myproc)
{
return hypre_error_flag;
}
}
/* GEC1002 get the rank using the function with the type=matrixtype*/
hypre_SStructMapEntryGetGlobalRank(map_entry, index, &row_coord, matrix_type);
col_coords = hypre_SStructMatrixTmpColCoords(matrix);
coeffs = hypre_SStructMatrixTmpCoeffs(matrix);
ncoeffs = 0;
for (i = 0; i < nentries; i++)
{
entry = entries[i];
if (entry < size)
{
/* stencil entries */
offset = shape[entry];
hypre_IndexX(to_index) = hypre_IndexX(index) + hypre_IndexX(offset);
hypre_IndexY(to_index) = hypre_IndexY(index) + hypre_IndexY(offset);
hypre_IndexZ(to_index) = hypre_IndexZ(index) + hypre_IndexZ(offset);
hypre_SStructGridFindMapEntry(grid, part, to_index, vars[entry],
&map_entry);
if (map_entry != NULL)
{
hypre_SStructMapEntryGetGlobalRank(map_entry, to_index,
&col_coords[ncoeffs],matrix_type);
coeffs[ncoeffs] = values[i];
ncoeffs++;
}
}
else
{
/* non-stencil entries */
entry -= size;
hypre_SStructGraphFindUVEntry(graph, part, index, var, &Uventry);
col_coords[ncoeffs] = hypre_SStructUVEntryRank(Uventry, entry);
coeffs[ncoeffs] = values[i];
ncoeffs++;
}
}
if (add_to > 0)
{
HYPRE_IJMatrixAddToValues(ijmatrix, 1, &ncoeffs, &row_coord,
(const HYPRE_BigInt *) col_coords,
(const double *) coeffs);
}
else if (add_to > -1)
{
HYPRE_IJMatrixSetValues(ijmatrix, 1, &ncoeffs, &row_coord,
(const HYPRE_BigInt *) col_coords,
(const double *) coeffs);
}
else
{
HYPRE_IJMatrixGetValues(ijmatrix, 1, &ncoeffs, &row_coord,
col_coords, values);
}
return hypre_error_flag;
}
