# PetscSectionHasConstraints
Determine whether a section has constrained dofs 
## Synopsis
```
#include "petscsection.h"   
PetscErrorCode PetscSectionHasConstraints(PetscSection s, PetscBool *hasConstraints)
```
Not Collective


## Input Parameter

- ***s -*** The `PetscSection`



## Output Parameter

- ***hasConstraints -*** flag indicating that the section has constrained dofs





## See Also
 [PetscSection](sec_petscsection), `PetscSectionSetConstraintIndices()`, `PetscSectionGetConstraintDof()`, `PetscSection`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/section/interface/section.c.html#PetscSectionHasConstraints">src/vec/is/section/interface/section.c</A>


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[Index of all PetscSection routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
