ISContiguousLocal

Locates an index set with contiguous range within a global range, if possible

Synopsis

#include "petscis.h" 
PetscErrorCode ISContiguousLocal(IS is, PetscInt gstart, PetscInt gend, PetscInt *start, PetscBool *contig)

Not Collective

Input Parameters

• is - the index set

• gstart - global start

• gend - global end

Output Parameters

• start - start of contiguous block, as an offset from gstart

• contig - PETSC_TRUE if the index set refers to contiguous entries on this process, else PETSC_FALSE

See Also

IS, ISGetLocalSize(), VecGetOwnershipRange()

Level

developer

Location

src/vec/is/is/interface/index.c

Implementations

ISContiguousLocal_General in src/vec/is/is/impls/general/general.c
ISContiguousLocal_Stride in src/vec/is/is/impls/stride/stride.c

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