petsc-3.9.4 2018-09-11
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DMCompositeSetCoupling

 Sets user provided routines that compute the coupling between the separate components (DMs) in a DMto build the correct matrix nonzero structure.

Synopsis

#include "petscdmcomposite.h"  
PetscErrorCode  DMCompositeSetCoupling(DM dm,PetscErrorCode (*FormCoupleLocations)(DM,Mat,PetscInt*,PetscInt*,PetscInt,PetscInt,PetscInt,PetscInt))

Logically Collective on MPI_Comm

Input Parameter

dm - the composite object
formcouplelocations - routine to set the nonzero locations in the matrix

Not available from Fortran

Notes: See DMSetApplicationContext() and DMGetApplicationContext() for how to get user information into this routine

Level

advanced

Location

src/dm/impls/composite/pack.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages