petsc-3.14.5 2021-03-03

ISPartitioningToNumbering

Takes an ISPartitioning and on each processor generates an IS that contains a new global node number for each index based on the partitioing.

Synopsis

#include "petscis.h"  
PetscErrorCode  ISPartitioningToNumbering(IS part,IS *is)

Collective on IS

Input Parameters

partitioning

- a partitioning as generated by MatPartitioningApply() or MatPartitioningApplyND()

Output Parameter

- on each processor the index set that defines the global numbers (in the new numbering) for all the nodes currently (before the partitioning) on that processor

Level

advanced

Location

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

Examples

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

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