petsc-master 2014-09-16
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DMRefineHookAdd

adds a callback to be run when interpolating a nonlinear problem to a finer grid

Synopsis

#include "petscdm.h"     
PetscErrorCode DMRefineHookAdd(DM coarse,PetscErrorCode (*refinehook)(DM,DM,void*),PetscErrorCode (*interphook)(DM,Mat,DM,void*),void *ctx)
Logically Collective

Input Arguments

coarse - nonlinear solver context on which to run a hook when restricting to a coarser level
refinehook - function to run when setting up a coarser level
interphook - function to run to update data on finer levels (once per SNESSolve())
ctx - [optional] user-defined context for provide data for the hooks (may be NULL)

Calling sequence of refinehook

   refinehook(DM coarse,DM fine,void *ctx);

coarse - coarse level DM
fine - fine level DM to interpolate problem to
ctx - optional user-defined function context

Calling sequence for interphook

   interphook(DM coarse,Mat interp,DM fine,void *ctx)

coarse - coarse level DM
interp - matrix interpolating a coarse-level solution to the finer grid
fine - fine level DM to update
ctx - optional user-defined function context

Notes

This function is only needed if auxiliary data needs to be passed to fine grids while grid sequencing

If this function is called multiple times, the hooks will be run in the order they are added.

This function is currently not available from Fortran.

See Also

DMCoarsenHookAdd(), SNESFASGetInterpolation(), SNESFASGetInjection(), PetscObjectCompose(), PetscContainerCreate()

Level:advanced
Location:
src/dm/interface/dm.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex48.c.html