PCGAMGCreateGraph#

Creates a graph that is used by the PCGAMGType in the coarsening process

Synopsis#

#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGCreateGraph(PC pc, Mat A, Mat *G)

Input Parameters#

  • pc - the PCGAMG

  • A - the matrix, for any level

Output Parameter#

  • G - the graph

See Also#

KSP: Linear System Solvers, PCGAMGType, PCGAMG, PCGAMGSetType()

Level#

advanced

Location#

src/ksp/pc/impls/gamg/gamg.c

Implementations#

PCGAMGCreateGraph_AGG() in src/ksp/pc/impls/gamg/agg.c
PCGAMGCreateGraph_Classical() in src/ksp/pc/impls/gamg/classical.c
PCGAMGCreateGraph_GEO() in src/ksp/pc/impls/gamg/geo.c

Index of all PC routines
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