petsc-3.3-p7 2013-05-11
MatCompositeMerge
Given a composite matrix, replaces it with a "regular" matrix by summing all the matrices inside the composite matrix.
Synopsis
#include "petscmat.h"
PetscErrorCode MatCompositeMerge(Mat mat)
Collective on MPI_Comm
Input Parameters
mat -the composite matrix
Options Database
-mat_composite_merge (you must call MatAssemblyBegin()/MatAssemblyEnd() to have this checked) -
Notes
The MatType of the resulting matrix will be the same as the MatType of the FIRST
matrix in the composite matrix.
See Also
MatDestroy(), MatMult(), MatCompositeAddMat(), MatCreateComposite(), MATCOMPOSITE
Level:advanced
Location:src/mat/impls/composite/mcomposite.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/mat/examples/tutorials/ex9.c.html