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

/*******************************************************************************
Purpose:
(Define class Euler_Integrator.)
Programmers:
(((David Hammen) (Odyssey) (July 2012) (JEOD_2.2 #462)
(Joint /JEOD integration framework)))
*******************************************************************************/
#ifndef EULER_INTEGRATOR_HH
#define EULER_INTEGRATOR_HH
#ifdef USE_ER7_UTILS_INTEGRATORS
#include "er7_utils/integration/euler/include/euler_integrator_constructor.hh"
#include "er7_utils/trick/integration/include/trick_first_order_ode_integrator.hh"
namespace Trick {
/**
* Helper class for Euler_Integrator
*/
class Euler_IntegratorHelper {
protected:
er7_utils::EulerIntegratorConstructor
helper_integ_constructor; /* --
The integrator constructor associated with Euler integration. */
};
/**
* Integrator using Euler integration.
*/
class Euler_Integrator :
protected Euler_IntegratorHelper,
public er7_utils::TrickFirstOrderOdeIntegrator {
public:
/** Default constructor, needed by the MemoryManager. */
Euler_Integrator () {}
/** Copy constructor, needed for backwards compatibility. */
Euler_Integrator (const Euler_Integrator & src)
:
Euler_IntegratorHelper (src),
TrickFirstOrderOdeIntegrator (src, helper_integ_constructor)
{}
/** Non-default constructor, needed by getIntegrator. */
Euler_Integrator (int state_size, double delta_t)
:
Euler_IntegratorHelper (),
TrickFirstOrderOdeIntegrator (
helper_integ_constructor, state_size, delta_t)
{}
/** Assignment operator. */
Euler_Integrator & operator= (Euler_Integrator src)
{
helper_integ_constructor = src.helper_integ_constructor;
TrickFirstOrderOdeIntegrator::swap (src);
return *this;
}
/** Destructor. */
virtual ~Euler_Integrator() {}
virtual Integrator_type get_Integrator_type() { return Euler; }
};
}
#else
#include "trick/Integrator.hh"
/**
PURPOSE: (Integrator using Euler method.)
*/
namespace Trick {
/** Integrator using Euler method.
*/
class Euler_Integrator : public Integrator {
public:
/** Default Constructor. This must remain public so the MM can create these. */
Euler_Integrator() {};
Euler_Integrator( int State_size, double Dt);
~Euler_Integrator();
void initialize( int State_size, double Dt);
int integrate();
void set_first_step_deriv(bool first_step);
Integrator_type get_Integrator_type() { return(Euler); } ;
};
}
#endif
#endif