PETSc version 3.15.5
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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

is - 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

See Also

MatPartitioningCreate(), AOCreateBasic(), ISPartitioningCount()

Level

advanced

Location

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

Examples

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

Index of all IS routines
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Index of all manual pages