PETSc version 3.15.5
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PetscSubcommGetContiguousParent

 Gets a communicator that that is a duplicate of the parent but has the ranks reordered by the order they are in the children

Synopsis

#include "petscsys.h"    
PetscErrorCode  PetscSubcommGetContiguousParent(PetscSubcomm scomm,MPI_Comm *pcomm)
Collective

Input Parameter

scomm - the PetscSubcomm

Output Parameter

pcomm - location to store the parent communicator

See Also

PetscSubcommDestroy(), PetscSubcommSetTypeGeneral(), PetscSubcommSetFromOptions(), PetscSubcommSetType(),
PetscSubcommSetNumber(), PetscSubcommGetChild(), PetscSubcommContiguousParent()

Level

intermediate

Location

src/sys/objects/subcomm.c
Index of all Sys routines
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