MatPartitioningSetUseEdgeWeights

Set a flag to indicate whether or not to use edge weights.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatPartitioningSetUseEdgeWeights(MatPartitioning part, PetscBool use_edge_weights)

Logically Collective

Input Parameters

• part - the partitioning context

• use_edge_weights - the flag indicateing whether or not to use edge weights. By default no edge weights will be used, that is, use_edge_weights is set to FALSE. If set use_edge_weights to TRUE, users need to make sure legal edge weights are stored in an ADJ matrix.

Options Database Key

• -mat_partitioning_use_edge_weights - (true or false)

See Also

Matrices, Mat, MatPartitioning, MatPartitioningCreate(), MatPartitioningSetType(), MatPartitioningSetVertexWeights(), MatPartitioningSetPartitionWeights()

Level

beginner

Location

src/mat/partition/partition.c

Examples

src/mat/tutorials/ex15.c

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