PETSc version 3.17.0
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MatISGetLocalToGlobalMapping

Gets the local-to-global numbering of the MATIS object

Synopsis

#include "petscmat.h" 
PetscErrorCode MatISGetLocalToGlobalMapping(Mat A,ISLocalToGlobalMapping *rmapping,ISLocalToGlobalMapping *cmapping)
Not Collective

Input Parameter

A - the matrix

Output Parameters

rmapping - row mapping
cmapping - column mapping

Notes: The returned map can be different from the one used to construct the MATIS object, since it will not contain negative or repeated indices.

See Also

MatSetLocalToGlobalMapping()

Level

advanced

Location

src/mat/impls/is/matis.c

Implementations

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

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