DMShellSetCreateDomainDecompositionScatters

Set the routine used to create the scatter contexts for domain decomposition with a DMSHELL

Synopsis

#include "petscdmshell.h"  
PetscErrorCode DMShellSetCreateDomainDecompositionScatters(DM dm, PetscErrorCode (*scatter)(DM dm, PetscInt n, DM subdms[], VecScatter *iscat[], VecScatter *oscat[], VecScatter *gscat[]))

Logically Collective

Input Parameters

• dm - the DMSHELL

• scatter - the routine to create the scatters

Calling sequence of scatter

• dm - the DM to decompose into domains

• n - number of subdomains

• subdms - the sub DM

• iscat - output, the inner scatters for the subdomains

• oscat - output, outer scatters for the subdomains

• gscat - output, the global scatters for the subdomains

See Also

DM, DMSHELL, DMCreateDomainDecompositionScatters(), DMShellSetContext(), DMShellGetContext()

Level

advanced

Location

src/dm/impls/shell/dmshell.c

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Index of all DM routines
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Index of all manual pages