ISColoringGetIS#

Extracts index sets from the coloring context. Each is contains the nodes of one color

Synopsis#

#include "petscis.h"  
PetscErrorCode ISColoringGetIS(ISColoring iscoloring, PetscCopyMode mode, PetscInt *nn, IS *isis[])

Collective on ISColoring

Input Parameters#

  • iscoloring - the coloring context

  • mode - if this value is PETSC_OWN_POINTER then the caller owns the pointer and must free the array of IS and each IS in the array

Output Parameters#

  • nn - number of index sets in the coloring context

  • is - array of index sets

See Also#

ISColoringRestoreIS(), ISColoringView(), ISColoringGetColoring()

Level#

advanced

Location#

src/vec/is/is/utils/iscoloring.c


Edit on GitLab

Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages