MatCoarsenApply#
Gets a coarsen for a matrix.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatCoarsenApply(MatCoarsen coarser)
Collective
Input Parameter#
coarser - the coarsen
Options Database Keys#
-mat_coarsen_type mis|hem|misk - mis: maximal independent set based; misk: distance k MIS; hem: heavy edge matching
-mat_coarsen_view - view the coarsening object
Notes#
Use MatCoarsenGetData() to access the results of the coarsening
The user can define additional coarsens; see MatCoarsenRegister().
See Also#
MatCoarsen, MatCoarsenSetFromOptions(), MatCoarsenSetType(), MatCoarsenRegister(), MatCoarsenCreate(),
MatCoarsenDestroy(), MatCoarsenSetAdjacency()
MatCoarsenGetData()
Level#
advanced
Location#
Implementations#
MatCoarsenApply_HEM() in src/mat/graphops/coarsen/impls/hem/hem.c
MatCoarsenApply_MIS() in src/mat/graphops/coarsen/impls/mis/mis.c
MatCoarsenApply_MISK() in src/mat/graphops/coarsen/impls/misk/misk.c
Index of all MatGraphOperations routines
Table of Contents for all manual pages
Index of all manual pages