MatColoringSetWeights

Provide user weights (and optionally a permutation ordering) for a MatColoring.

Synopsis

#include "petscmat.h"  
PetscErrorCode MatColoringSetWeights(MatColoring mc, PetscReal *weights, PetscInt *lperm)

Collective

Input Parameters

• mc - the MatColoring

• weights - array of per-row weights, or NULL to clear any previously set weights

• lperm - the permutation sorting weights in decreasing order, or NULL to have it computed

Note

The arrays are copied into the MatColoring; the caller retains ownership of weights and lperm.

See Also

MatColoring, MatColoringCreateWeights(), MatColoringGetDegrees()

Level

developer

Location

src/mat/graphops/color/utils/weights.c

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Index of all MatGraphOperations routines
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Index of all manual pages