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# MatMFFDFinalizePackage
This function destroys everything in the MATMFFD` package. It is called from `PetscFinalize()`. 
## Synopsis
```
#include "petscmat.h"   
PetscErrorCode MatMFFDFinalizePackage(void)
```



## See Also
 [](ch_matrices), `Mat`, `MATMFFD`, `PetscFinalize()`, `MatCreateMFFD()`, `MatCreateSNESMF()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/mffd/mffd.c.html#MatMFFDFinalizePackage">src/mat/impls/mffd/mffd.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/mffd/mffd.c)


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