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/*
[auto_generated]
boost/numeric/odeint/iterator/detail/ode_iterator_base.hpp
[begin_description]
Base class for const_step_iterator and adaptive_iterator.
[end_description]
Copyright 2012-2013 Karsten Ahnert
Copyright 2012-2013 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_ITERATOR_DETAIL_ODE_ITERATOR_BASE_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_ITERATOR_DETAIL_ODE_ITERATOR_BASE_HPP_INCLUDED
#include <boost/iterator/iterator_facade.hpp>
#include <boost/numeric/odeint/util/unwrap_reference.hpp>
#include <boost/numeric/odeint/util/detail/less_with_sign.hpp>
namespace boost {
namespace numeric {
namespace odeint {
namespace detail {
struct ode_state_iterator_tag {};
struct ode_state_time_iterator_tag {};
template< class Iterator , class Stepper , class System , class State , typename Tag >
class ode_iterator_base;
/* Specialization for the state iterator that has only state_type as its value_type */
template< class Iterator , class Stepper , class System , class State >
class ode_iterator_base< Iterator , Stepper , System , State , ode_state_iterator_tag >
: public boost::iterator_facade
<
Iterator ,
typename traits::state_type< Stepper >::type const ,
boost::single_pass_traversal_tag
>
{
private:
typedef Stepper stepper_type;
typedef System system_type;
typedef typename boost::numeric::odeint::unwrap_reference< stepper_type >::type unwrapped_stepper_type;
typedef State state_type;
typedef typename unwrapped_stepper_type::time_type time_type;
typedef typename unwrapped_stepper_type::value_type ode_value_type;
public:
ode_iterator_base( stepper_type stepper , system_type sys , time_type t , time_type dt )
: m_stepper( stepper ) , m_system( sys ) ,
m_t( t ) , m_dt( dt ) , m_at_end( false )
{ }
ode_iterator_base( stepper_type stepper , system_type sys )
: m_stepper( stepper ) , m_system( sys ) ,
m_t() , m_dt() , m_at_end( true )
{ }
// this function is only for testing
bool same( const ode_iterator_base &iter ) const
{
return (
//( static_cast<Iterator>(*this).get_state() ==
// static_cast<Iterator>(iter).get_state ) &&
( m_t == iter.m_t ) &&
( m_dt == iter.m_dt ) &&
( m_at_end == iter.m_at_end )
);
}
protected:
friend class boost::iterator_core_access;
bool equal( ode_iterator_base const& other ) const
{
if( m_at_end == other.m_at_end )
{
return true;
}
else
{
return false;
}
}
const state_type& dereference() const
{
return static_cast<const Iterator*>(this)->get_state();
}
protected:
stepper_type m_stepper;
system_type m_system;
time_type m_t;
time_type m_dt;
bool m_at_end;
};
/* Specialization for the state-time iterator that has pair<state_type,time_type> as its value_type */
template< class Iterator , class Stepper , class System , class State >
class ode_iterator_base< Iterator , Stepper , System , State , ode_state_time_iterator_tag >
: public boost::iterator_facade
<
Iterator ,
std::pair< const State , const typename traits::time_type< Stepper >::type > ,
boost::single_pass_traversal_tag ,
std::pair< const State& , const typename traits::time_type< Stepper >::type& >
>
{
private:
typedef Stepper stepper_type;
typedef System system_type;
typedef typename boost::numeric::odeint::unwrap_reference< stepper_type >::type unwrapped_stepper_type;
typedef State state_type;
typedef typename unwrapped_stepper_type::time_type time_type;
typedef typename unwrapped_stepper_type::value_type ode_value_type;
public:
ode_iterator_base( stepper_type stepper , system_type sys ,
time_type t , time_type dt )
: m_stepper( stepper ) , m_system( sys ) ,
m_t( t ) , m_dt( dt ) , m_at_end( false )
{ }
ode_iterator_base( stepper_type stepper , system_type sys )
: m_stepper( stepper ) , m_system( sys ) , m_at_end( true )
{ }
bool same( ode_iterator_base const& iter )
{
return (
//( static_cast<Iterator>(*this).get_state() ==
// static_cast<Iterator>(iter).get_state ) &&
( m_t == iter.m_t ) &&
( m_dt == iter.m_dt ) &&
( m_at_end == iter.m_at_end )
);
}
protected:
friend class boost::iterator_core_access;
bool equal( ode_iterator_base const& other ) const
{
if( m_at_end == other.m_at_end )
{
return true;
}
else
{
return false;
}
}
std::pair< const state_type& , const time_type& > dereference() const
{
return std::pair< const state_type & , const time_type & >(
static_cast<const Iterator*>(this)->get_state() , m_t );
}
stepper_type m_stepper;
system_type m_system;
time_type m_t;
time_type m_dt;
bool m_at_end;
};
} // namespace detail
} // namespace odeint
} // namespace numeric
} // namespace boost
#endif // BOOST_NUMERIC_ODEINT_ITERATOR_DETAIL_ODE_ITERATOR_BASE_HPP_INCLUDED
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