DMCompositeSetCoupling

Sets user provided routines that compute the coupling between the separate components DM in a DMCOMPOSITE to 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; No Fortran Support

Input Parameters

• dm - the composite object

• formcouplelocations - routine to set the nonzero locations in the matrix

Note

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

See Also

DMCOMPOSITE, DM

Level

advanced

Location

src/dm/impls/composite/pack.c

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Index of all DM routines
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