/*
[auto_generated]
boost/numeric/odeint/stepper/adams_bashforth_moulton.hpp
[begin_description]
Implementation of the Adams-Bashforth-Moulton method, a predictor-corrector multistep method.
[end_description]
Copyright 2009-2011 Karsten Ahnert
Copyright 2009-2011 Mario Mulansky
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or
copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_NUMERIC_ODEINT_STEPPER_ADAMS_BASHFORTH_MOULTON_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_STEPPER_ADAMS_BASHFORTH_MOULTON_HPP_INCLUDED
#include <boost/ref.hpp>
#include <boost/bind.hpp>
#include <boost/numeric/odeint/stepper/stepper_categories.hpp>
#include <boost/numeric/odeint/algebra/range_algebra.hpp>
#include <boost/numeric/odeint/algebra/default_operations.hpp>
//#include <boost/numeric/odeint/util/size_adjuster.hpp>
#include <boost/numeric/odeint/util/state_wrapper.hpp>
#include <boost/numeric/odeint/util/resizer.hpp>
#include <boost/numeric/odeint/stepper/adams_bashforth.hpp>
#include <boost/numeric/odeint/stepper/adams_moulton.hpp>
/*
* # Introduce the number of states
*/
namespace boost {
namespace numeric {
namespace odeint {
/*
* Static Adams-Bashforth-Moulton multistep-solver without step size control and without dense output.
*
* # Define the number of steps
* # Define the explicit method
* # Define the implicit method
* # Bring the explicit method and the implicit method together
*/
template<
size_t Steps ,
class State ,
class Value = double ,
class Deriv = State ,
class Time = Value ,
class Algebra = range_algebra ,
class Operations = default_operations ,
class Resizer = initially_resizer
>
class adams_bashforth_moulton
{
public :
typedef State state_type;
typedef state_wrapper< state_type > wrapped_state_type;
typedef Value value_type;
typedef Deriv deriv_type;
typedef state_wrapper< deriv_type > wrapped_deriv_type;
typedef Time time_type;
typedef Algebra algebra_type;
typedef Operations operations_type;
typedef Resizer resizer_type;
typedef stepper_tag stepper_category;
static const size_t steps = Steps;
typedef adams_bashforth< steps , state_type , value_type , deriv_type , time_type , algebra_type , operations_type , resizer_type > adams_bashforth_type;
typedef adams_moulton< steps , state_type , value_type , deriv_type , time_type , algebra_type , operations_type , resizer_type > adams_moulton_type;
typedef unsigned short order_type;
static const order_type order_value = steps + 1;
adams_bashforth_moulton( ) : m_adams_moulton( m_adams_bashforth.algebra() )
{ }
adams_bashforth_moulton( const algebra_type &algebra )
: m_adams_bashforth( algebra ) , m_adams_moulton( m_adams_bashforth.algebra() )
{ }
order_type order( void ) const { return order_value; }
template< class System , class StateInOut >
void do_step( System system , StateInOut &x , const time_type &t , const time_type &dt )
{
m_adams_bashforth.do_step( system , x , t , dt );
m_adams_moulton.do_step( system , x , t , dt , m_adams_bashforth.step_storage() );
}
template< class System , class StateInOut >
void do_step( System system , const StateInOut &x , const time_type &t , const time_type &dt )
{
m_adams_bashforth.do_step( system , x , t , dt );
m_adams_moulton.do_step( system , x , t , dt , m_adams_bashforth.step_storage() );
}
template< class System , class StateIn , class StateOut >
void do_step( System system , const StateIn &in , const time_type &t , const StateOut &out , const time_type &dt )
{
m_adams_bashforth.do_step( system , in , t , out , dt );
m_adams_moulton.do_step( system , out , t , dt , m_adams_bashforth.step_storage() );
}
template< class System , class StateIn , class StateOut >
void do_step( System system , const StateIn &in , const time_type &t , StateOut &out , const time_type &dt )
{
m_adams_bashforth.do_step( system , in , t , out , dt );
m_adams_moulton.do_step( system , out , t , dt , m_adams_bashforth.step_storage() );
}
template< class StateType >
void adjust_size( const StateType &x )
{
m_adams_bashforth.adjust_size( x );
m_adams_moulton.adjust_size( x );
}
template< class ExplicitStepper , class System , class StateIn >
void initialize( ExplicitStepper explicit_stepper , System system , StateIn &x , time_type &t , const time_type &dt )
{
m_adams_bashforth.initialize( explicit_stepper , system , x , t , dt );
}
template< class System , class StateIn >
void initialize( System system , StateIn &x , time_type &t , const time_type &dt )
{
m_adams_bashforth.initialize( system , x , t , dt );
}
private:
adams_bashforth_type m_adams_bashforth;
adams_moulton_type m_adams_moulton;
};
} // odeint
} // numeric
} // boost
#endif // BOOST_NUMERIC_ODEINT_STEPPER_ADAMS_BASHFORTH_MOULTON_HPP_INCLUDED