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
Input Parameters#
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#
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages