DMShellSetCreateFieldDecomposition

Set the routine used to create a decomposition of fields for the DMSHELL

Synopsis

#include "petscdmshell.h"  
PetscErrorCode DMShellSetCreateFieldDecomposition(DM dm, PetscErrorCode (*decomp)(DM dm, PetscInt *len, char **namelist[], IS *islist[], DM *dmlist[]))

Logically Collective

Input Parameters

• dm - the DMSHELL

• decomp - the routine to create the decomposition

Calling sequence of decomp

• dm - the DM to decompose into fields

• len - output, the number of fields (or NULL if not requested)

• namelist - output, the name for each field (or NULL if not requested)

• islist - output, the global indices for each field (or NULL if not requested)

• dmlist - output, the DMs for each field subproblem (or NULL, if not requested; if NULL is returned, no DMs are defined)

See Also

DM, DMSHELL, DMCreateFieldDecomposition(), DMShellSetContext(), DMShellGetContext()

Level

advanced

Location

src/dm/impls/shell/dmshell.c

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Index of all DM routines
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