petsc-3.9.3 2018-07-02
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ISLocalToGlobalMappingGetIndices

Get global indices for every local point that is mapped

Synopsis

#include "petscis.h"  
PetscErrorCode  ISLocalToGlobalMappingGetIndices(ISLocalToGlobalMapping ltog,const PetscInt **array)
Not Collective

Input Arguments

ltog -local to global mapping

Output Arguments

array -array of indices, the length of this array may be obtained with ISLocalToGlobalMappingGetSize()

Notes: ISLocalToGlobalMappingGetSize() returns the length the this array

See Also

ISLocalToGlobalMappingCreate(), ISLocalToGlobalMappingApply(), ISLocalToGlobalMappingRestoreIndices(), ISLocalToGlobalMappingGetBlockIndices(), ISLocalToGlobalMappingRestoreBlockIndices()

Level

advanced

Location

src/vec/is/utils/isltog.c

Examples

src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex70.c.html
src/ksp/ksp/examples/tutorials/ex14f.F90.html

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