Squashed 'third_party/boostorg/odeint/' content from commit 6ff2719
Change-Id: If4892e29c1a5e6cf3a7aa51486a2725c251b0c7d
git-subtree-dir: third_party/boostorg/odeint
git-subtree-split: 6ff2719b6907b86596c3d43e88c1bcfdf29df560
diff --git a/test/runge_kutta_concepts.cpp b/test/runge_kutta_concepts.cpp
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+++ b/test/runge_kutta_concepts.cpp
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+/*
+ [auto_generated]
+ libs/numeric/odeint/test/runge_kutta_concepts.cpp
+
+ [begin_description]
+ This file tests the Stepper concepts of odeint with all Runge-Kutta steppers. It's one of the main tests
+ of odeint.
+ [end_description]
+
+ Copyright 2012 Karsten Ahnert
+ Copyright 2012-2013 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_runge_kutta_concepts
+
+#include <vector>
+#include <cmath>
+#include <iostream>
+
+#include <boost/numeric/odeint/config.hpp>
+
+#include <boost/array.hpp>
+
+#include <boost/test/unit_test.hpp>
+
+#include <boost/ref.hpp>
+#include <boost/bind.hpp>
+#include <boost/utility.hpp>
+#include <boost/type_traits/add_reference.hpp>
+
+#include <boost/mpl/vector.hpp>
+#include <boost/mpl/for_each.hpp>
+#include <boost/mpl/insert_range.hpp>
+#include <boost/mpl/end.hpp>
+#include <boost/mpl/copy.hpp>
+#include <boost/mpl/placeholders.hpp>
+#include <boost/mpl/inserter.hpp>
+
+#include <boost/numeric/odeint/stepper/euler.hpp>
+#include <boost/numeric/odeint/stepper/modified_midpoint.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta4_classic.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta4.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta_cash_karp54_classic.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta_cash_karp54.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta_dopri5.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta_fehlberg78.hpp>
+
+#include <boost/numeric/odeint/algebra/detail/extract_value_type.hpp>
+
+#include "prepare_stepper_testing.hpp"
+#include "dummy_odes.hpp"
+
+using std::vector;
+
+using namespace boost::unit_test;
+using namespace boost::numeric::odeint;
+namespace mpl = boost::mpl;
+
+const double result = 2.2;
+
+const double eps = 1.0e-14;
+
+template< class Stepper , class System >
+void check_stepper_concept( Stepper &stepper , System system , typename Stepper::state_type &x )
+{
+ typedef Stepper stepper_type;
+ typedef typename stepper_type::deriv_type container_type;
+ typedef typename stepper_type::order_type order_type;
+ typedef typename stepper_type::time_type time_type;
+
+ stepper.do_step( system , x , static_cast<time_type>(0.0) , static_cast<time_type>(0.1) );
+}
+
+// default case is used for vector space types like plain double
+template< class Stepper , typename T >
+struct perform_stepper_test
+{
+ typedef T vector_space_type;
+ void operator()( void ) const
+ {
+ using std::abs;
+ vector_space_type x;
+ x = 2.0;
+ Stepper stepper;
+ constant_system_functor_vector_space sys;
+#ifndef _MSC_VER
+ // dont run this for MSVC due to compiler bug 697006
+ check_stepper_concept( stepper , constant_system_vector_space< vector_space_type , vector_space_type , typename Stepper::time_type > , x );
+#else
+ check_stepper_concept( stepper , boost::cref( sys ) , x );
+#endif
+ check_stepper_concept( stepper , boost::cref( sys ) , x );
+ std::cout << x << " ?= " << result << std::endl;
+ BOOST_CHECK( (abs( x - result )) < eps );
+ }
+};
+
+template< class Stepper , typename T >
+struct perform_stepper_test< Stepper , std::vector<T> >
+{
+ typedef std::vector<T> vector_type;
+ void operator()( void )
+ {
+ using std::abs;
+ vector_type x( 1 , static_cast<T>(2.0) );
+ Stepper stepper;
+ constant_system_functor_standard sys;
+#ifndef _MSC_VER
+ // dont run this for MSVC due to compiler bug 697006
+ check_stepper_concept( stepper , constant_system_standard< vector_type , vector_type , typename Stepper::time_type > , x );
+#else
+ check_stepper_concept( stepper , boost::cref( sys ) , x );
+#endif
+ check_stepper_concept( stepper , boost::cref( sys ) , x );
+ std::cout << x[0] << " ?= " << result << std::endl;
+ BOOST_CHECK( (abs( x[0] - result )) < eps );
+ }
+};
+
+template< class Stepper , typename T >
+struct perform_stepper_test< Stepper , boost::array<T,1> >
+{
+ typedef boost::array<T,1> array_type;
+ void operator()( void )
+ {
+ using std::abs;
+ array_type x;
+ x[0] = static_cast<T>(2.0);
+ Stepper stepper;
+ constant_system_functor_standard sys;
+#ifndef _MSC_VER
+ // dont run this for MSVC due to compiler bug 697006
+ check_stepper_concept( stepper , constant_system_standard< array_type , array_type , typename Stepper::time_type > , x );
+#else
+ check_stepper_concept( stepper , boost::cref( sys ) , x );
+#endif
+ check_stepper_concept( stepper , boost::cref( sys ) , x );
+ std::cout << x[0] << " ?= " << result << std::endl;
+ BOOST_CHECK( (abs( x[0] - result )) < eps );
+ }
+};
+
+// split stepper methods to ensure the final vector has less than 30(?) elements
+// (stepper_methods*container_types) < 30(?)
+template< class State > class stepper_methods1 : public mpl::vector<
+ euler< State , typename detail::extract_value_type<State>::type > ,
+ modified_midpoint< State , typename detail::extract_value_type<State>::type > ,
+ runge_kutta4< State , typename detail::extract_value_type<State>::type > ,
+ runge_kutta4_classic< State , typename detail::extract_value_type<State>::type >
+ > { };
+
+template< class State > class stepper_methods2 : public mpl::vector<
+ runge_kutta_cash_karp54_classic< State , typename detail::extract_value_type<State>::type > ,
+ runge_kutta_cash_karp54< State , typename detail::extract_value_type<State>::type > ,
+ runge_kutta_dopri5< State , typename detail::extract_value_type<State>::type > ,
+ runge_kutta_fehlberg78< State , typename detail::extract_value_type<State>::type >
+ > { };
+
+
+
+typedef mpl::copy
+<
+ container_types ,
+ mpl::inserter
+ <
+ mpl::vector0<> ,
+ mpl::insert_range
+ <
+ mpl::_1 ,
+ mpl::end< mpl::_1 > ,
+ stepper_methods1< mpl::_2 >
+ >
+ >
+>::type stepper_combinations1;
+
+typedef mpl::copy
+<
+ container_types ,
+ mpl::inserter
+ <
+ mpl::vector0<> ,
+ mpl::insert_range
+ <
+ mpl::_1 ,
+ mpl::end< mpl::_1 > ,
+ stepper_methods2< mpl::_2 >
+ >
+ >
+>::type stepper_combinations2;
+
+
+BOOST_AUTO_TEST_SUITE( runge_kutta_concept_test )
+
+BOOST_AUTO_TEST_CASE_TEMPLATE( stepper_test1 , Stepper, stepper_combinations1 )
+{
+ perform_stepper_test< Stepper , typename Stepper::deriv_type > tester;
+ tester();
+}
+
+BOOST_AUTO_TEST_CASE_TEMPLATE( stepper_test2 , Stepper, stepper_combinations2 )
+{
+ perform_stepper_test< Stepper , typename Stepper::deriv_type > tester;
+ tester();
+}
+
+
+BOOST_AUTO_TEST_SUITE_END()