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