PETSc version 3.17.4
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# PCISSetUseStiffnessScaling

Tells PCIS to construct partition of unity using local matrices' diagonal.

### Synopsis

    #include "petscpc.h"
    PetscErrorCode PCISSetUseStiffnessScaling(PC pc, PetscBool use)

Not collective

### Input Parameters

| pc | - the preconditioning context
| use | - whether or not pcis use matrix diagonal to build partition of unity.

### Notes

### See Also

PCBDDC

### Level

intermediate

### Location

src/ksp/pc/impls/is/pcis.c

### Implementations

PCISSetUseStiffnessScaling_IS in src/ksp/pc/impls/is/pcis.c
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