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

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/coarsen/coarsen.c


Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages