Real f(Real x)
Test function for Brents method.
This is a demo used to demonstrate how to couple an external app through the MOOSE wrapper APP.
static void registerApps()
static InputParameters validParams()
virtual ~ExternalPetscSolverTestApp()
static void registerAll(Factory &f, ActionFactory &af, Syntax &s, bool use_test_objs=false)
const InputParameters & parameters() const