PetscSubcommGetParent — PETSc 3.21.4 documentation

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# PetscSubcommGetParent

Gets the communicator that was used to create the `PetscSubcomm`

## Synopsis

    #include "petscsys.h"
    PetscErrorCode PetscSubcommGetParent(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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Index of all manual pages