# PCTelescopeGetUseCoarseDM
Get the flag indicating if the coarse `DM` attached to `DM` associated with the `PC` will be used. 
## Synopsis
```
#include "petscksp.h" 
#include "petscdm.h" 
PetscErrorCode PCTelescopeGetUseCoarseDM(PC pc, PetscBool *v)
```
Not Collective


## Input Parameter

- ***pc -*** the preconditioner context



## Output Parameter

- ***v -*** the flag





## See Also
 `PCTELESCOPE`, `PCTelescopeSetIgnoreDM()`, `PCTelescopeSetUseCoarseDM()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/telescope/telescope.c.html#PCTelescopeGetUseCoarseDM">src/ksp/pc/impls/telescope/telescope.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/telescope/telescope.c.html#PCTelescopeGetUseCoarseDM_Telescope">PCTelescopeGetUseCoarseDM_Telescope in src/ksp/pc/impls/telescope/telescope.c</A><BR>


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


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