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- /*
- [auto_generated]
- libs/numeric/odeint/test/resizing.cpp
- [begin_description]
- This file tests the resizing mechanism of odeint.
- [end_description]
- Copyright 2010-2012 Karsten Ahnert
- Copyright 2010-2012 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)
- */
- // disable checked iterator warning for msvc
- #include <boost/config.hpp>
- #ifdef BOOST_MSVC
- #pragma warning(disable:4996)
- #endif
- #define BOOST_TEST_MODULE odeint_resize
- #include <vector>
- #include <cmath>
- #include <boost/array.hpp>
- #include <boost/bind.hpp>
- #include <boost/utility.hpp>
- #include <boost/type_traits/integral_constant.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/mpl/vector.hpp>
- #include <boost/mpl/int.hpp>
- #include <boost/mpl/at.hpp>
- #include <boost/numeric/odeint/stepper/euler.hpp>
- #include <boost/numeric/odeint/stepper/runge_kutta4_classic.hpp>
- #include <boost/numeric/odeint/stepper/runge_kutta4.hpp>
- #include <boost/numeric/odeint/algebra/vector_space_algebra.hpp>
- #include <boost/numeric/odeint/util/resizer.hpp>
- #include <boost/numeric/odeint/util/is_resizeable.hpp>
- #include "resizing_test_state_type.hpp"
- using namespace boost::unit_test;
- using namespace boost::numeric::odeint;
- namespace mpl = boost::mpl;
- void constant_system( const test_array_type &x , test_array_type &dxdt , double t ) { dxdt[0] = 1.0; }
- BOOST_AUTO_TEST_SUITE( check_resize_test )
- typedef euler< test_array_type , double , test_array_type , double , range_algebra , default_operations , never_resizer > euler_manual_type;
- typedef euler< test_array_type , double , test_array_type , double , range_algebra , default_operations , initially_resizer > euler_initially_type;
- typedef euler< test_array_type , double , test_array_type , double , range_algebra , default_operations , always_resizer > euler_always_type;
- typedef runge_kutta4_classic< test_array_type , double , test_array_type , double , range_algebra , default_operations , never_resizer > rk4_manual_type;
- typedef runge_kutta4_classic< test_array_type , double , test_array_type , double , range_algebra , default_operations , initially_resizer > rk4_initially_type;
- typedef runge_kutta4_classic< test_array_type , double , test_array_type , double , range_algebra , default_operations , always_resizer > rk4_always_type;
- typedef runge_kutta4< test_array_type , double , test_array_type , double , range_algebra , default_operations , never_resizer > rk4_gen_manual_type;
- typedef runge_kutta4< test_array_type , double , test_array_type , double , range_algebra , default_operations , initially_resizer > rk4_gen_initially_type;
- typedef runge_kutta4< test_array_type , double , test_array_type , double , range_algebra , default_operations , always_resizer > rk4_gen_always_type;
- typedef mpl::vector<
- mpl::vector< euler_manual_type , mpl::int_<1> , mpl::int_<0> > ,
- mpl::vector< euler_initially_type , mpl::int_<1> , mpl::int_<1> > ,
- mpl::vector< euler_always_type , mpl::int_<1> , mpl::int_<3> > ,
- mpl::vector< rk4_manual_type , mpl::int_<5> , mpl::int_<0> > ,
- mpl::vector< rk4_initially_type , mpl::int_<5> , mpl::int_<1> > ,
- mpl::vector< rk4_always_type , mpl::int_<5> , mpl::int_<3> > ,
- mpl::vector< rk4_gen_manual_type , mpl::int_<5> , mpl::int_<0> > ,
- mpl::vector< rk4_gen_initially_type , mpl::int_<5> , mpl::int_<1> > ,
- mpl::vector< rk4_gen_always_type , mpl::int_<5> , mpl::int_<3> >
- >::type resize_check_types;
- BOOST_AUTO_TEST_CASE_TEMPLATE( test_resize , T, resize_check_types )
- {
- typedef typename mpl::at< T , mpl::int_< 0 > >::type stepper_type;
- const size_t resize_calls = mpl::at< T , mpl::int_< 1 > >::type::value;
- const size_t multiplicity = mpl::at< T , mpl::int_< 2 > >::type::value;
- adjust_size_count = 0;
- stepper_type stepper;
- test_array_type x;
- stepper.do_step( constant_system , x , 0.0 , 0.1 );
- stepper.do_step( constant_system , x , 0.0 , 0.1 );
- stepper.do_step( constant_system , x , 0.0 , 0.1 );
- BOOST_TEST_MESSAGE( "adjust_size_count : " << adjust_size_count );
- BOOST_CHECK_MESSAGE( adjust_size_count == resize_calls * multiplicity , "adjust_size_count : " << adjust_size_count << " expected: " << resize_calls * multiplicity );
- }
- BOOST_AUTO_TEST_SUITE_END()
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