# PCApplyRichardsonExists

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

### Synopsis

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

Not Collective

### Input Parameter

pc -the preconditioner

### Output Parameter

exists -PETSC_TRUE or PETSC_FALSE

### Keywords

PC, apply, Richardson, exists

### See Also

PCApplyRichardson()

Level:developer
Location:src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages