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Edit File: make_controlled.hpp

/*
 [auto_generated]
 boost/numeric/odeint/stepper/generation/make_controlled.hpp

[begin_description]
 Factory function to simplify the creation of controlled steppers from error steppers.
 [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_STEPPER_GENERATION_MAKE_CONTROLLED_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_STEPPER_GENERATION_MAKE_CONTROLLED_HPP_INCLUDED

namespace boost {
namespace numeric {
namespace odeint {

// default template for the controller
template< class Stepper > struct get_controller { };

// default controller factory
template< class Stepper , class Controller >
struct controller_factory
{
    Controller operator()(
            typename Stepper::value_type abs_error ,
            typename Stepper::value_type rel_error ,
            const Stepper &stepper )
    {
        return Controller( abs_error , rel_error , stepper );
    }

Controller operator()(
            typename Stepper::value_type abs_error ,
            typename Stepper::value_type rel_error ,
            typename Stepper::time_type max_dt ,
            const Stepper &stepper )
    {
        return Controller( abs_error , rel_error , max_dt, stepper );
    }
};

namespace result_of
{
    template< class Stepper >
    struct make_controlled
    {
        typedef typename get_controller< Stepper >::type type;
    };
}

template< class Stepper >
typename result_of::make_controlled< Stepper >::type make_controlled(
        typename Stepper::value_type abs_error ,
        typename Stepper::value_type rel_error ,
        const Stepper & stepper = Stepper() )
{
    typedef Stepper stepper_type;
    typedef typename result_of::make_controlled< stepper_type >::type controller_type;
    typedef controller_factory< stepper_type , controller_type > factory_type;
    factory_type factory;
    return factory( abs_error , rel_error , stepper );
}

template< class Stepper >
typename result_of::make_controlled< Stepper >::type make_controlled(
        typename Stepper::value_type abs_error ,
        typename Stepper::value_type rel_error ,
        typename Stepper::time_type max_dt ,
        const Stepper & stepper = Stepper() )
{
    typedef Stepper stepper_type;
    typedef typename result_of::make_controlled< stepper_type >::type controller_type;
    typedef controller_factory< stepper_type , controller_type > factory_type;
    factory_type factory;
    return factory( abs_error , rel_error , max_dt, stepper );
}

} // odeint
} // numeric
} // boost

#endif // BOOST_NUMERIC_ODEINT_STEPPER_GENERATION_MAKE_CONTROLLED_HPP_INCLUDED