petsc-3.8.4 2018-03-24

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MatCoarsenSetGreedyOrdering

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

Synopsis

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

Logically Collective on Coarsen

Input Parameters

	coarser	- the coarsen context
	perm	- vertex ordering of (greedy) algorithm

Notes

The IS weights is freed by PETSc, so user has given this to us

Keywords

Coarsen

See Also

MatCoarsenCreate(), MatCoarsenSetType()

Level:advanced
Location:src/mat/coarsen/coarsen.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages