trick/include/trick/RKF45_Integrator.hh
Alex Lin ce0cdc9636
Cmake merge (#901)
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/*******************************************************************************
Purpose:
(Define class RKF45_Integrator.)
Programmers:
(((David Hammen) (Odyssey) (July 2012) (JEOD_2.2 #462)
(Joint /JEOD integration framework)))
*******************************************************************************/
#ifndef RKF45_INTEGRATOR_HH
#define RKF45_INTEGRATOR_HH
#ifdef USE_ER7_UTILS_INTEGRATORS
#include "er7_utils/integration/rkf45/include/rkf45_integrator_constructor.hh"
#include "er7_utils/trick/integration/include/trick_first_order_ode_integrator.hh"
namespace Trick {
/**
* Helper class for RKF45_Integrator
*/
class RKF45_IntegratorHelper {
protected:
er7_utils::RKFehlberg45IntegratorConstructor
helper_integ_constructor; /* --
The integrator constructor associated with RKF45 integration. */
};
/**
* Integrator using Runge Kutta Fehlberg 4/5 method.
*/
class RKF45_Integrator :
protected RKF45_IntegratorHelper,
public er7_utils::TrickFirstOrderOdeIntegrator {
public:
/** Default constructor, needed by the MemoryManager. */
RKF45_Integrator () {}
/** Copy constructor, needed for backwards compatibility. */
RKF45_Integrator (const RKF45_Integrator & src)
:
RKF45_IntegratorHelper (src),
TrickFirstOrderOdeIntegrator (src, helper_integ_constructor)
{}
/** Non-default constructor, needed by getIntegrator. */
RKF45_Integrator (int state_size, double delta_t)
:
RKF45_IntegratorHelper (),
TrickFirstOrderOdeIntegrator (
helper_integ_constructor, state_size, delta_t)
{}
/** Assignment operator. */
RKF45_Integrator & operator= (RKF45_Integrator src)
{
helper_integ_constructor = src.helper_integ_constructor;
TrickFirstOrderOdeIntegrator::swap (src);
return *this;
}
/** Destructor. */
virtual ~RKF45_Integrator() {}
virtual Integrator_type get_Integrator_type() { return Runge_Kutta_Fehlberg_45; }
};
}
#else
#include "trick/Integrator.hh"
/**
PURPOSE: (Integrator using Runge Kutta Fehlberg 45 method.)
*/
namespace Trick {
/** Integrator using Runge Kutta Fehlberg 45 method.
*/
class RKF45_Integrator : public Integrator {
public:
/** Default Constructor. This must remain public so the MM can create these. */
RKF45_Integrator() {};
RKF45_Integrator( int State_size, double Dt);
virtual ~RKF45_Integrator();
void initialize( int State_size, double Dt);
int integrate();
void set_first_step_deriv(bool first_step);
Integrator_type get_Integrator_type() { return(Runge_Kutta_Fehlberg_45); } ;
};
}
#endif
#endif