:orphan:
# PetscDualSpaceLagrangeSetTensor
Set the tensor nature of the dual space
## Synopsis
```
#include "petscfe.h"
PetscErrorCode PetscDualSpaceLagrangeSetTensor(PetscDualSpace sp, PetscBool tensor)
```
Not Collective
## Input Parameters
- ***sp -*** The `PetscDualSpace`
- ***tensor -*** Whether the dual space has tensor layout (vs. simplicial)
## See Also
`PETSCDUALSPACELAGRANGE`, `PetscDualSpace`, `PetscDualSpaceLagrangeGetTensor()`, `PetscDualSpaceCreate()`
## Level
intermediate
## Location
src/dm/dt/dualspace/impls/lagrange/dspacelagrange.c
## Implementations
PetscDualSpaceLagrangeSetTensor_Lagrange in src/dm/dt/dualspace/impls/lagrange/dspacelagrange.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/dualspace/impls/lagrange/dspacelagrange.c)
[Index of all DUALSPACE routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)