# MatGetLayouts
Gets the `PetscLayout` objects for rows and columns 
## Synopsis
```
#include "petscmat.h" 
PetscErrorCode MatGetLayouts(Mat A, PetscLayout *rmap, PetscLayout *cmap)
```
Not Collective


## Input Parameter

- ***A -*** the matrix



## Output Parameters

- ***rmap -*** row layout
- ***cmap -*** column layout





## See Also
 [Matrix Layouts](sec_matlayout), `PetscLayout`, `MatCreateVecs()`, `MatGetLocalToGlobalMapping()`, `MatSetLayouts()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/interface/matrix.c.html#MatGetLayouts">src/mat/interface/matrix.c</A>


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[Index of all Mat routines](index.md)  
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