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329 lines
11 KiB
C++
329 lines
11 KiB
C++
/*
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[auto_generated]
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libs/numeric/odeint/test/stepper_with_units.cpp
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[begin_description]
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This file tests if the steppers play well with Boost.Units.
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[end_description]
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Copyright 2011-2012 Karsten Ahnert
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Copyright 2011-2013 Mario Mulansky
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or
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copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#define BOOST_TEST_MODULE odeint_stepper_with_units
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// the runge-kutta 78 stepper invoked with boost units requires increased fusion macro variables!
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// note that by default the rk78 + units test case is disabled as it requires enormous memory when compiling (5 GB)
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#define BOOST_FUSION_INVOKE_MAX_ARITY 15
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#define BOOST_RESULT_OF_NUM_ARGS 15
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#include <boost/numeric/odeint/config.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/units/systems/si/length.hpp>
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#include <boost/units/systems/si/time.hpp>
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#include <boost/units/systems/si/velocity.hpp>
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#include <boost/units/systems/si/acceleration.hpp>
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#include <boost/units/systems/si/io.hpp>
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#include <boost/fusion/container.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/numeric/odeint/stepper/euler.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta4.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta4_classic.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta_cash_karp54.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta_cash_karp54_classic.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta_dopri5.hpp>
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#include <boost/numeric/odeint/stepper/runge_kutta_fehlberg78.hpp>
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#include <boost/numeric/odeint/stepper/controlled_runge_kutta.hpp>
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#include <boost/numeric/odeint/stepper/dense_output_runge_kutta.hpp>
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#include <boost/numeric/odeint/stepper/bulirsch_stoer.hpp>
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#include <boost/numeric/odeint/stepper/bulirsch_stoer_dense_out.hpp>
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#include <boost/numeric/odeint/algebra/fusion_algebra.hpp>
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#include <boost/numeric/odeint/algebra/fusion_algebra_dispatcher.hpp>
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using namespace boost::numeric::odeint;
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using namespace boost::unit_test;
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namespace mpl = boost::mpl;
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namespace fusion = boost::fusion;
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namespace units = boost::units;
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namespace si = boost::units::si;
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typedef double value_type;
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typedef units::quantity< si::time , value_type > time_type;
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typedef units::quantity< si::length , value_type > length_type;
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typedef units::quantity< si::velocity , value_type > velocity_type;
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typedef units::quantity< si::acceleration , value_type > acceleration_type;
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typedef fusion::vector< length_type , velocity_type > state_type;
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typedef fusion::vector< velocity_type , acceleration_type > deriv_type;
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void oscillator( const state_type &x , deriv_type &dxdt , time_type t )
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{
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const units::quantity< si::frequency , value_type > omega = 1.0 * si::hertz;
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fusion::at_c< 0 >( dxdt ) = fusion::at_c< 1 >( x );
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fusion::at_c< 1 >( dxdt ) = - omega * omega * fusion::at_c< 0 >( x );
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}
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template< class Stepper >
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void check_stepper( Stepper &stepper )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type state_type;
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typedef typename stepper_type::value_type value_type;
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typedef typename stepper_type::deriv_type deriv_type;
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typedef typename stepper_type::time_type time_type;
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typedef typename stepper_type::order_type order_type;
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typedef typename stepper_type::algebra_type algebra_type;
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typedef typename stepper_type::operations_type operations_type;
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const time_type t( 0.0 * si::second );
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time_type dt( 0.1 * si::second );
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state_type x( 1.0 * si::meter , 0.0 * si::meter_per_second );
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// test call method one
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stepper.do_step( oscillator , x , t , dt );
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// test call method two
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stepper.do_step( oscillator , x , t , x , dt );
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// test call method three
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deriv_type dxdt;
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oscillator( x , dxdt , t );
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stepper.do_step( oscillator , x , dxdt , t , dt );
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// test call method four
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oscillator( x , dxdt , t );
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stepper.do_step( oscillator , x , dxdt , t , x , dt );
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}
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template< class Stepper >
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void check_fsal_stepper( Stepper &stepper )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type state_type;
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typedef typename stepper_type::value_type value_type;
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typedef typename stepper_type::deriv_type deriv_type;
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typedef typename stepper_type::time_type time_type;
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typedef typename stepper_type::order_type order_type;
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typedef typename stepper_type::algebra_type algebra_type;
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typedef typename stepper_type::operations_type operations_type;
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const time_type t( 0.0 * si::second );
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time_type dt( 0.1 * si::second );
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state_type x( 1.0 * si::meter , 0.0 * si::meter_per_second );
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// test call method one
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stepper.do_step( oscillator , x , t , dt );
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// test call method two
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stepper.do_step( oscillator , x , t , x , dt );
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// test call method three
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deriv_type dxdt;
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oscillator( x , dxdt , t );
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stepper.do_step( oscillator , x , dxdt , t , dt );
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// test call method four
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stepper.do_step( oscillator , x , dxdt , t , x , dxdt , dt );
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}
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template< class Stepper >
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void check_error_stepper( Stepper &stepper )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type state_type;
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typedef typename stepper_type::value_type value_type;
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typedef typename stepper_type::deriv_type deriv_type;
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typedef typename stepper_type::time_type time_type;
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typedef typename stepper_type::order_type order_type;
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typedef typename stepper_type::algebra_type algebra_type;
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typedef typename stepper_type::operations_type operations_type;
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const time_type t( 0.0 * si::second );
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time_type dt( 0.1 * si::second );
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state_type x( 1.0 * si::meter , 0.0 * si::meter_per_second ) , xerr;
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// test call method one
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stepper.do_step( oscillator , x , t , dt , xerr );
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// test call method two
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stepper.do_step( oscillator , x , t , x , dt , xerr );
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// test call method three
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deriv_type dxdt;
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oscillator( x , dxdt , t );
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stepper.do_step( oscillator , x , dxdt , t , dt , xerr );
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// test call method four
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stepper.do_step( oscillator , x , dxdt , t , x , dt , xerr );
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}
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template< class Stepper >
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void check_fsal_error_stepper( Stepper &stepper )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type state_type;
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typedef typename stepper_type::value_type value_type;
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typedef typename stepper_type::deriv_type deriv_type;
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typedef typename stepper_type::time_type time_type;
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typedef typename stepper_type::order_type order_type;
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typedef typename stepper_type::algebra_type algebra_type;
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typedef typename stepper_type::operations_type operations_type;
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const time_type t( 0.0 * si::second );
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time_type dt( 0.1 * si::second );
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state_type x( 1.0 * si::meter , 0.0 * si::meter_per_second ) , xerr;
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// test call method one
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stepper.do_step( oscillator , x , t , dt , xerr );
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// test call method two
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stepper.do_step( oscillator , x , t , x , dt , xerr );
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// test call method three
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deriv_type dxdt;
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oscillator( x , dxdt , t );
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stepper.do_step( oscillator , x , dxdt , t , dt , xerr );
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// test call method four
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stepper.do_step( oscillator , x , dxdt , t , x , dxdt , dt , xerr );
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}
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template< class Stepper >
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void check_controlled_stepper( Stepper &stepper )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type state_type;
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typedef typename stepper_type::value_type value_type;
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typedef typename stepper_type::deriv_type deriv_type;
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typedef typename stepper_type::time_type time_type;
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time_type t( 0.0 * si::second );
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time_type dt( 0.1 * si::second );
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state_type x( 1.0 * si::meter , 0.0 * si::meter_per_second );
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// test call method one
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stepper.try_step( oscillator , x , t , dt );
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}
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template< class Stepper >
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void check_dense_output_stepper( Stepper &stepper )
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{
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typedef Stepper stepper_type;
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typedef typename stepper_type::state_type state_type;
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typedef typename stepper_type::value_type value_type;
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typedef typename stepper_type::deriv_type deriv_type;
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typedef typename stepper_type::time_type time_type;
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// typedef typename stepper_type::order_type order_type;
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time_type t( 0.0 * si::second );
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time_type dt( 0.1 * si::second );
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state_type x( 1.0 * si::meter , 0.0 * si::meter_per_second ) , x2;
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stepper.initialize( x , t , dt );
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stepper.do_step( oscillator );
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stepper.calc_state( dt / 2.0 , x2 );
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}
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class stepper_types : public mpl::vector
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<
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euler< state_type , value_type , deriv_type , time_type >,
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runge_kutta4< state_type , value_type , deriv_type , time_type > ,
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runge_kutta4_classic< state_type , value_type , deriv_type , time_type > ,
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runge_kutta_cash_karp54< state_type , value_type , deriv_type , time_type >,
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runge_kutta_cash_karp54_classic< state_type , value_type , deriv_type , time_type >
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// don't run rk78 test - gcc requires > 5GB RAM to compile this
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//, runge_kutta_fehlberg78< state_type , value_type , deriv_type , time_type >
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> { };
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class fsal_stepper_types : public mpl::vector
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<
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runge_kutta_dopri5< state_type , value_type , deriv_type , time_type >
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> { };
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class error_stepper_types : public mpl::vector
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<
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runge_kutta_cash_karp54_classic< state_type , value_type , deriv_type , time_type >
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//, runge_kutta_fehlberg78< state_type , value_type , deriv_type , time_type >
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> { };
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class fsal_error_stepper_types : public mpl::vector
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<
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runge_kutta_dopri5< state_type , value_type , deriv_type , time_type >
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> { };
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class controlled_stepper_types : public mpl::vector
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<
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controlled_runge_kutta< runge_kutta_cash_karp54_classic< state_type , value_type , deriv_type , time_type > > ,
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controlled_runge_kutta< runge_kutta_dopri5< state_type , value_type , deriv_type , time_type > >
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, bulirsch_stoer< state_type , value_type , deriv_type , time_type >
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// rk78 with units needs up to 3GB memory to compile - disable testing...
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//, controlled_runge_kutta< runge_kutta_fehlberg78< state_type , value_type , deriv_type , time_type > >
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> { };
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class dense_output_stepper_types : public mpl::vector
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<
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dense_output_runge_kutta< euler< state_type , value_type , deriv_type , time_type > > ,
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dense_output_runge_kutta<
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controlled_runge_kutta< runge_kutta_dopri5< state_type , value_type , deriv_type , time_type > > >
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//, bulirsch_stoer_dense_out< state_type , value_type , deriv_type , time_type >
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> { };
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BOOST_AUTO_TEST_SUITE( stepper_with_units )
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BOOST_AUTO_TEST_CASE_TEMPLATE( stepper_test , Stepper , stepper_types )
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{
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Stepper stepper;
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check_stepper( stepper );
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}
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BOOST_AUTO_TEST_CASE_TEMPLATE( fsl_stepper_test , Stepper , fsal_stepper_types )
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{
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Stepper stepper;
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check_fsal_stepper( stepper );
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}
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BOOST_AUTO_TEST_CASE_TEMPLATE( error_stepper_test , Stepper , error_stepper_types )
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{
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Stepper stepper;
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check_error_stepper( stepper );
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}
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BOOST_AUTO_TEST_CASE_TEMPLATE( fsal_error_stepper_test , Stepper , fsal_error_stepper_types )
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{
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Stepper stepper;
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check_fsal_error_stepper( stepper );
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}
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BOOST_AUTO_TEST_CASE_TEMPLATE( controlled_stepper_test , Stepper , controlled_stepper_types )
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{
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Stepper stepper;
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check_controlled_stepper( stepper );
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}
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BOOST_AUTO_TEST_CASE_TEMPLATE( dense_ouput_test , Stepper , dense_output_stepper_types )
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{
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Stepper stepper;
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check_dense_output_stepper( stepper );
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}
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BOOST_AUTO_TEST_SUITE_END()
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