petsc-dev 2014-08-28
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MatMPIAIJGetLocalMatCondensed

Creates a SeqAIJ matrix from an MPIAIJ matrix by taking all its local rows and NON-ZERO columns

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatMPIAIJGetLocalMatCondensed(Mat A,MatReuse scall,IS *row,IS *col,Mat *A_loc)
Not Collective

Input Parameters

A - the matrix
scall - either MAT_INITIAL_MATRIX or MAT_REUSE_MATRIX
row, col - index sets of rows and columns to extract (or NULL)

Output Parameter

A_loc -the local sequential matrix generated

See Also

MatGetOwnershipRange(), MatMPIAIJGetLocalMat()

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