petsc-3.12.5 2020-03-29
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VecSetLocalToGlobalMapping

 Sets a local numbering to global numbering used by the routine VecSetValuesLocal() to allow users to insert vector entries using a local (per-processor) numbering.

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecSetLocalToGlobalMapping(Vec x,ISLocalToGlobalMapping mapping)
Logically Collective on Vec

Input Parameters

x - vector
mapping - mapping created with ISLocalToGlobalMappingCreate() or ISLocalToGlobalMappingCreateIS()

Notes

All vectors obtained with VecDuplicate() from this vector inherit the same mapping.

seealso: VecAssemblyBegin(), VecAssemblyEnd(), VecSetValues(), VecSetValuesLocal(), VecSetLocalToGlobalMapping(), VecSetValuesBlockedLocal()

Level

intermediate

Location

src/vec/vec/interface/vector.c

Examples

src/vec/vec/examples/tutorials/ex8.c.html
src/ksp/ksp/examples/tutorials/ex71.c.html

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