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