petsc-3.6.4 2016-04-12
MatMPIAIJGetLocalMat
Creates a SeqAIJ from a MPIAIJ matrix by taking all its local rows and putting them into a sequential vector with mlocal rows and n columns. Where mlocal is the row count obtained with MatGetLocalSize() and n is the global column count obtained with MatGetSize()
Synopsis
#include "petscmat.h"
PetscErrorCode MatMPIAIJGetLocalMat(Mat A,MatReuse scall,Mat *A_loc)
Not Collective
Input Parameters
Output Parameter
See Also
MatGetOwnerShipRange(), MatMPIAIJGetLocalMatCondensed()
Level:developer
Location:src/mat/impls/aij/mpi/mpiaij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages
| A | - the matrix
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| scall | - either MAT_INITIAL_MATRIX or MAT_REUSE_MATRIX
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| A_loc | - the local sequential matrix generated
|