PETSc version 3.16.5
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# PCBDDCGetPrimalVerticesIS

Get user defined primal vertices set with PCBDDCSetPrimalVerticesIS()

### Synopsis

    #include "petscpc.h"
    PetscErrorCode PCBDDCGetPrimalVerticesIS(PC pc, IS *is)

Collective

### Input Parameters

| pc | - the preconditioning context

### Output Parameters

| is | - index set of primal vertices in global numbering (NULL if not set)

### Notes

### See Also

PCBDDC, PCBDDCSetPrimalVerticesIS(), PCBDDCSetPrimalVerticesLocalIS(), PCBDDCGetPrimalVerticesLocalIS()

### Level

intermediate

### Location

src/ksp/pc/impls/bddc/bddc.c

### Implementations

PCBDDCGetPrimalVerticesIS_BDDC in src/ksp/pc/impls/bddc/bddc.c
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