PETSc version 3.17.4
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# PCApplyRichardsonExists

Determines whether a particular preconditioner has a built-in fast application of Richardson's method.

### Synopsis

    #include "petscksp.h"
    PetscErrorCode  PCApplyRichardsonExists(PC pc,PetscBool  *exists)

Not Collective

### Input Parameter

| pc | - the preconditioner

### Output Parameter

| exists | - PETSC_TRUE or PETSC_FALSE

### See Also

PCApplyRichardson()

### Level

developer

### Location

src/ksp/pc/interface/precon.c
Index of all PC routines
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Index of all manual pages