MatMPIAIJGetLocalMatCondensed#
Creates a MATSEQAIJ
matrix from an MATMPIAIJ
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
orMAT_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#
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