trick/include/trick/MM4_Integrator.hh
Alex Lin ce0cdc9636
Cmake merge (#901)
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C++

/*******************************************************************************
Purpose:
(Define class MM4_Integrator.)
Programmers:
(((David Hammen) (Odyssey) (July 2012) (JEOD_2.2 #462)
(Joint /JEOD integration framework)))
*******************************************************************************/
#ifndef MM4_INTEGRATOR_HH
#define MM4_INTEGRATOR_HH
#ifdef USE_ER7_UTILS_INTEGRATORS
#include "er7_utils/integration/mm4/include/mm4_integrator_constructor.hh"
#include "er7_utils/trick/integration/include/trick_second_order_ode_integrator.hh"
namespace Trick {
/**
* Helper class for MM4_Integrator
*/
class MM4_IntegratorHelper {
protected:
er7_utils::MM4IntegratorConstructor
helper_integ_constructor; /* --
The integrator constructor associated with MM4 integration. */
};
/**
* Integrator using a modified midpoint approach.
*/
class MM4_Integrator :
protected MM4_IntegratorHelper,
public er7_utils::TrickSecondOrderOdeIntegrator {
public:
/** Default constructor, needed by the MemoryManager. */
MM4_Integrator () {}
/** Copy constructor, needed for backwards compatibility. */
MM4_Integrator (const MM4_Integrator & src)
:
MM4_IntegratorHelper (src),
TrickSecondOrderOdeIntegrator (src, helper_integ_constructor)
{}
/** Non-default constructor, needed by getIntegrator. */
MM4_Integrator (int state_size, double delta_t)
:
MM4_IntegratorHelper (),
TrickSecondOrderOdeIntegrator (
helper_integ_constructor, state_size, delta_t)
{}
/** Assignment operator. */
MM4_Integrator & operator= (MM4_Integrator src)
{
helper_integ_constructor = src.helper_integ_constructor;
TrickSecondOrderOdeIntegrator::swap (src);
return *this;
}
/** Destructor. */
virtual ~MM4_Integrator() {}
virtual Integrator_type get_Integrator_type() { return Modified_Midpoint_4; }
};
}
#else
#include "trick/Integrator.hh"
/**
PURPOSE: (Integrator using Modified Midpoint method.)
*/
namespace Trick {
class MM4_Integrator : public Integrator {
public:
/** Default Constructor. This must remain public so the MM can create these. */
MM4_Integrator() {};
MM4_Integrator( int State_size, double Dt);
virtual ~MM4_Integrator();
void initialize( int State_size, double Dt);
int integrate();
Integrator_type get_Integrator_type() { return(Modified_Midpoint_4); } ;
};
}
#endif
#endif