# PetscSpaceSumGetConcatenate#

Get the concatenate flag for this space. A concatenated sum space will have number of components equal to the sum of the number of components of all subspaces. A non-concatenated, or direct sum space will have the same number of components as its subspaces .

## Synopsis#

#include "petscfe.h"
PetscErrorCode PetscSpaceSumGetConcatenate(PetscSpace sp, PetscBool *concatenate)


## Input Parameters#

• sp - the function space object

## Output Parameters#

• concatenate - flag indicating whether subspaces are concatenated.

PETSCSPACESUM, PetscSpace, PetscSpaceSumSetConcatenate()

intermediate

## Location#

src/dm/dt/space/impls/sum/spacesum.c

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