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/usr/include/boost/numeric/odeint/iterator/integrate/detail/

/usr/include/boost/numeric/odeint/iterator/integrate/detail

Name	Size	Mode	Actions
functors.hpp	1712	0644	edit dl rm
integrate_adaptive.hpp	3950	0644	edit dl rm
integrate_const.hpp	3815	0644	edit dl rm
integrate_n_steps.hpp	3892	0644	edit dl rm
integrate_times.hpp	2018	0644	edit dl rm

Edit: /usr/include/boost/numeric/odeint/iterator/integrate/detail/integrate_const.hpp (3815B)

/*
 [auto_generated]
 boost/numeric/odeint/integrate/detail/integrate_const.hpp

[begin_description]
 integrate const implementation
 [end_description]

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_INTEGRATE_DETAIL_INTEGRATE_CONST_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_INTEGRATE_DETAIL_INTEGRATE_CONST_HPP_INCLUDED

#include <boost/range/algorithm/for_each.hpp>

#include <boost/numeric/odeint/util/unwrap_reference.hpp>
#include <boost/numeric/odeint/stepper/stepper_categories.hpp>
#include <boost/numeric/odeint/util/unit_helper.hpp>
#include <boost/numeric/odeint/iterator/const_step_time_iterator.hpp>
#include <boost/numeric/odeint/iterator/integrate/detail/integrate_adaptive.hpp>
#include <boost/numeric/odeint/iterator/integrate/detail/functors.hpp>
#include <boost/numeric/odeint/util/detail/less_with_sign.hpp>

namespace boost {
namespace numeric {
namespace odeint {
namespace detail {

// forward declaration
template< class Stepper , class System , class State , class Time , class Observer >
size_t integrate_adaptive(
        Stepper stepper , System system , State &start_state ,
        Time &start_time , Time end_time , Time &dt ,
        Observer observer , controlled_stepper_tag
);

boost::for_each( make_const_step_time_range( stepper , system , start_state ,
                                                 start_time , end_time , dt ) ,
                     // should we use traits<Stepper>::state_type here instead of State? NO!
                     obs_caller< Observer >( obs_calls , observer ) );

// step integration steps gives step+1 observer calls
    return obs_calls-1;
}

template< class Stepper , class System , class State , class Time , class Observer >
size_t integrate_const(
        Stepper stepper , System system , State &start_state ,
        Time start_time , Time end_time , Time dt ,
        Observer observer , controlled_stepper_tag 
)
{
    typename odeint::unwrap_reference< Observer >::type &obs = observer;
    
    Time time = start_time;
    const Time time_step = dt;
    int step = 0;
    
    while( less_eq_with_sign( static_cast<Time>(time+time_step) , end_time , dt ) )
    {
        obs( start_state , time );
        detail::integrate_adaptive( stepper , system , start_state , time , time+time_step , dt ,
                                    null_observer() , controlled_stepper_tag() );
        // direct computation of the time avoids error propagation happening when using time += dt
        // we need clumsy type analysis to get boost units working here
        ++step;
        time = start_time + static_cast< typename unit_value_type<Time>::type >(step) * time_step;
    }
    obs( start_state , time );
    
    return step;
}

boost::for_each( make_const_step_time_range( stepper , system , start_state ,
                                                 start_time , end_time , dt ) ,
                     obs_caller< Observer >( obs_calls , observer ) );
    return obs_calls-1;
}

} } } }

#endif

/* [auto_generated] boost/numeric/odeint/integrate/detail/integrate_const.hpp [begin_description] integrate const implementation [end_description] Copyright 2009-2012 Karsten Ahnert Copyright 2009-2012 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_INTEGRATE_DETAIL_INTEGRATE_CONST_HPP_INCLUDED #define BOOST_NUMERIC_ODEINT_INTEGRATE_DETAIL_INTEGRATE_CONST_HPP_INCLUDED #include #include #include #include #include #include #include #include namespace boost { namespace numeric { namespace odeint { namespace detail { // forward declaration template< class Stepper , class System , class State , class Time , class Observer > size_t integrate_adaptive( Stepper stepper , System system , State &start_state , Time &start_time , Time end_time , Time &dt , Observer observer , controlled_stepper_tag ); template< class Stepper , class System , class State , class Time , class Observer > size_t integrate_const( Stepper stepper , System system , State &start_state , Time start_time , Time end_time , Time dt , Observer observer , stepper_tag ) { size_t obs_calls = 0; boost::for_each( make_const_step_time_range( stepper , system , start_state , start_time , end_time , dt ) , // should we use traits::state_type here instead of State? NO! obs_caller< Observer >( obs_calls , observer ) ); // step integration steps gives step+1 observer calls return obs_calls-1; } template< class Stepper , class System , class State , class Time , class Observer > size_t integrate_const( Stepper stepper , System system , State &start_state , Time start_time , Time end_time , Time dt , Observer observer , controlled_stepper_tag ) { typename odeint::unwrap_reference< Observer >::type &obs = observer; Time time = start_time; const Time time_step = dt; int step = 0; while( less_eq_with_sign( static_cast(time+time_step) , end_time , dt ) ) { obs( start_state , time ); detail::integrate_adaptive( stepper , system , start_state , time , time+time_step , dt , null_observer() , controlled_stepper_tag() ); // direct computation of the time avoids error propagation happening when using time += dt // we need clumsy type analysis to get boost units working here ++step; time = start_time + static_cast< typename unit_value_type::type >(step) * time_step; } obs( start_state , time ); return step; } template< class Stepper , class System , class State , class Time , class Observer > size_t integrate_const( Stepper stepper , System system , State &start_state , Time start_time , Time end_time , Time dt , Observer observer , dense_output_stepper_tag ) { size_t obs_calls = 0; boost::for_each( make_const_step_time_range( stepper , system , start_state , start_time , end_time , dt ) , obs_caller< Observer >( obs_calls , observer ) ); return obs_calls-1; } } } } } #endif