petsc-3.9.4 2018-09-11
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ISGetNonlocalIndices

 Retrieve an array of indices from remote processors in this communicator.

Synopsis

#include "petscis.h" 
PetscErrorCode  ISGetNonlocalIndices(IS is, const PetscInt *indices[])
Collective on IS

Input Parameter

is -the index set

Output Parameter

indices -indices with rank 0 indices first, and so on, omitting the current rank. Total number of indices is the difference total and local, obtained with ISGetSize() and ISGetLocalSize(), respectively.

Notes: restore the indices using ISRestoreNonlocalIndices(). The same scalability considerations as those for ISGetTotalIndices apply here.

See Also

ISGetTotalIndices(), ISRestoreNonlocalIndices(), ISGetSize(), ISGetLocalSize().

Level

intermediate

Location

src/vec/is/is/interface/index.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages