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#

src/mat/graphops/coarsen/coarsen.c

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