petsc-3.14.6 2021-03-30
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MatSetLocalToGlobalMapping

 Sets a local-to-global numbering for use by the routine MatSetValuesLocal() to allow users to insert matrix entries using a local (per-processor) numbering.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSetLocalToGlobalMapping(Mat x,ISLocalToGlobalMapping rmapping,ISLocalToGlobalMapping cmapping)
Not Collective

Input Parameters

x - the matrix
rmapping - row mapping created with ISLocalToGlobalMappingCreate() or ISLocalToGlobalMappingCreateIS()
cmapping - column mapping

See Also

MatAssemblyBegin(), MatAssemblyEnd(), MatSetValues(), MatSetValuesLocal(), MatGetValuesLocal()

Level

intermediate

Location

src/mat/interface/matrix.c

Examples

src/snes/tutorials/ex48.c.html
src/tao/bound/tutorials/plate2.c.html
src/tao/bound/tutorials/plate2f.F90.html

Implementations

MatSetLocalToGlobalMapping_IS in src/mat/impls/is/matis.c

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