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

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

Note

If mode is PETSC_USE_POINTER then ISColoringRestoreIS() must be called when the IS are no longer needed

See Also

ISColoring, IS, ISColoringRestoreIS(), ISColoringView(), ISColoringGetColoring(), ISColoringGetColors()

Level

advanced

Location

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

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Index of all IS routines
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Index of all manual pages