MatCoarsenSetGreedyOrdering

Sets the ordering of the vertices to use with a greedy coarsening method

Synopsis

#include "petscmat.h" 
PetscErrorCode MatCoarsenSetGreedyOrdering(MatCoarsen coarser, const IS perm)

Logically Collective

Input Parameters

• coarser - the coarsen context

• perm - vertex ordering of (greedy) algorithm

Note

The IS weights is freed by PETSc, the user should not destroy it or change it after this call

See Also

MatCoarsen, MatCoarsenType, MatCoarsenCreate(), MatCoarsenSetType()

Level

advanced

Location

src/mat/graphops/coarsen/interface/coarsen.c

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Index of all MatGraphOperations routines
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Index of all manual pages