C++ (Cpp) null_observerの例

コード例 #1

ファイル: integrate_const.hpp プロジェクト: OpenODESolver/Open-ODE-Solver

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 real_steps = 0;
    int step = 0;
    
    while( less_eq_with_sign( static_cast<Time>(time+time_step) , end_time , dt ) )
    {
        obs( start_state , time );
        real_steps += 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 real_steps;
}

コード例 #2

ファイル: integrate_n_steps.hpp プロジェクト: BentSm/povray

Time integrate_n_steps(
        Stepper stepper , System system , const State &start_state ,
        Time start_time , Time dt , size_t num_of_steps )
{
    return integrate_n_steps(stepper, system, start_state, start_time,
                             dt, num_of_steps, null_observer());
}

コード例 #3

ファイル: integrate_n_steps.hpp プロジェクト: 18037108618/readium-sdk

Time integrate_n_steps(
        Stepper stepper , System system , State &start_state ,
        Time start_time , Time dt , size_t num_of_steps ,
        Observer observer , controlled_stepper_tag )
{
    typename odeint::unwrap_reference< Observer >::type &obs = observer;

    Time time = start_time;
    Time time_step = dt;

    for( size_t step = 0; step < num_of_steps ; ++step )
    {
        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
        time = start_time + static_cast< typename unit_value_type<Time>::type >(step+1) * time_step;
    }
    obs( start_state , time );

    return time;
}

コード例 #4

ファイル: integrate_const.hpp プロジェクト: AbhinavJain13/turicreate

size_t integrate_const(
        Stepper stepper , System system , State &start_state ,
        Time start_time , Time end_time , Time dt
)
{
    return integrate_const( stepper , system , start_state , start_time , end_time , dt , null_observer() );
}

コード例 #5

ファイル: integrate.hpp プロジェクト: AsKorysti/anura

size_t integrate( System system , State &start_state , Time start_time , Time end_time , Time dt )
{
    return integrate( system , start_state , start_time , end_time , dt , null_observer() );
}