MatCoarsenSetFromOptions#
Sets various coarsen options from the options database.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatCoarsenSetFromOptions(MatCoarsen coarser)
Collective
Input Parameter#
coarser - the coarsen context.
Options Database Key#
-mat_coarsen_type type - see
MatCoarsenType-mat_coarsen_max_it its - number of iterations to use in the coarsening process, see
MatCoarsenSetMaximumIterations()
Notes#
When the coarsening is used inside PCGAMG then the options database keys are prefixed with -pc_gamg_
Sets the MatCoarsenType to MATCOARSENMISK if has not been set previously
See Also#
MatCoarsen, MatCoarsenType, MatCoarsenApply(), MatCoarsenCreate(), MatCoarsenSetType(),
MatCoarsenSetMaximumIterations()
Level#
advanced
Location#
Implementations#
MatCoarsenSetFromOptions_MISK() in src/mat/graphops/coarsen/impls/misk/misk.c
Index of all MatGraphOperations routines
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Index of all manual pages