# PetscWeakFormClear
Clear all functions from the `PetscWeakForm` 
## Synopsis
```
#include "petscds.h" 
PetscErrorCode PetscWeakFormClear(PetscWeakForm wf)
```
Not Collective


## Input Parameter

- ***wf -*** The original `PetscWeakForm`





## See Also
 `PetscWeakForm`, `PetscWeakFormCopy()`, `PetscWeakFormCreate()`, `PetscWeakFormDestroy()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/dt/interface/dtweakform.c.html#PetscWeakFormClear">src/dm/dt/interface/dtweakform.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/interface/dtweakform.c)


[Index of all DT routines](index.md)  
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[Index of all manual pages](/docs/manualpages/singleindex.md)  
