# PCMGCoarseSpaceType
Function space for coarse space for adaptive interpolation 
## Synopsis
```
typedef enum {
  PCMG_ADAPT_NONE,
  PCMG_ADAPT_POLYNOMIAL,
  PCMG_ADAPT_HARMONIC,
  PCMG_ADAPT_EIGENVECTOR,
  PCMG_ADAPT_GENERALIZED_EIGENVECTOR,
  PCMG_ADAPT_GDSW
} PCMGCoarseSpaceType;
```



## See Also
 [](sec_pc), `PCMGSetAdaptCoarseSpaceType()`, `PCMG`, `PC`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscpctypes.h.html#PCMGCoarseSpaceType">include/petscpctypes.h</A>


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