petsc-3.10.5 2019-03-28
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ISBuildTwoSided

 Takes an IS that describes where we will go. Generates an IS that contains new numbers from remote or local on the IS.

Synopsis

#include "petscis.h"  
PetscErrorCode  ISBuildTwoSided(IS ito,IS toindx, IS *rows)
Collective on IS

Input Parameters

ito -an IS describes where we will go. Negative target rank will be ignored
toindx -an IS describes what indices should send. NULL means sending natural numbering

Output Parameter

rows -contains new numbers from remote or local

See Also

MatPartitioningCreate(), ISPartitioningToNumbering(), ISPartitioningCount()

Level

advanced

Location

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

Examples

src/ksp/ksp/examples/tutorials/ex64.c.html

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