This commit is contained in:
Karsten Ahnert 2014-08-16 21:05:16 +02:00
parent 9197519a2d
commit 720a926e45
8 changed files with 230 additions and 1 deletions

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@ -0,0 +1,27 @@
/*
[auto_generated]
boost/numeric/odeint/external/eigen/eigen.hpp
[begin_description]
tba.
[end_description]
Copyright 2009-2012 Karsten Ahnert
Copyright 2009-2012 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)
*/
#ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_HPP_INCLUDED
#include <boost/numeric/odeint/external/eigen/eigen_algebra.hpp>
#include <boost/numeric/odeint/external/eigen/eigen_algebra_dispatcher.hpp>
#include <boost/numeric/odeint/external/eigen/eigen_resize.hpp>
#endif // BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_HPP_INCLUDED

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@ -71,6 +71,19 @@ operator/(const Eigen::MatrixBase<D1> &x1, const Eigen::MatrixBase<D2> &x2) {
return x1.cwiseQuotient(x2);
}
template< typename D >
inline const
typename Eigen::CwiseUnaryOp<
typename Eigen::internal::scalar_abs_op<
typename Eigen::internal::traits< D >::Scalar > ,
const D >
abs( const Eigen::MatrixBase< D > &m ) {
return m.cwiseAbs();
}
} // end Eigen namespace

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@ -0,0 +1,49 @@
/*
[auto_generated]
boost/numeric/odeint/external/eigen/eigen_algebra_dispatcher.hpp
[begin_description]
tba.
[end_description]
Copyright 2009-2012 Karsten Ahnert
Copyright 2009-2012 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)
*/
#ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_ALGEBRA_DISPATCHER_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_ALGEBRA_DISPATCHER_HPP_INCLUDED
namespace boost {
namespace numeric {
namespace odeint {
template< class Derived >
struct algebra_dispatcher_sfinae< Derived ,
typename boost::enable_if< typename boost::is_base_of< Eigen::MatrixBase< Derived > , Derived >::type >::type >
{
typedef vector_space_algebra algebra_type;
};
template < class Derived >
struct algebra_dispatcher_sfinae< Derived ,
typename boost::enable_if< typename boost::is_base_of< Eigen::ArrayBase< Derived > , Derived >::type >::type >
{
typedef vector_space_algebra algebra_type;
};
} // namespace odeint
} // namespace numeric
} // namespace boost
#endif // BOOST_NUMERIC_ODEINT_EXTERNAL_EIGEN_EIGEN_ALGEBRA_DISPATCHER_HPP_INCLUDED

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@ -48,7 +48,7 @@ integrate( System system , State &start_state , Time start_time , Time end_time
return integrate_adaptive( stepper_type() , system , start_state , start_time , end_time , dt , observer );
}
template< class System , class State , class Time , class Observer , class Value >
template< class Value , class System , class State , class Time , class Observer >
size_t
integrate( System system , State &start_state , Time start_time , Time end_time , Time dt , Observer observer )
{
@ -68,6 +68,13 @@ size_t integrate( System system , State &start_state , Time start_time , Time en
return integrate( system , start_state , start_time , end_time , dt , null_observer() );
}
template< class Value , class System , class State , class Time >
size_t integrate( System system , State &start_state , Time start_time , Time end_time , Time dt )
{
return integrate< Value >( system , start_state , start_time , end_time , dt , null_observer() );
}
/**
* \fn integrate( System system , State &start_state , Time start_time , Time end_time , Time dt , Observer observer )

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@ -55,6 +55,20 @@ struct constant_system_functor_fusion
}
};
struct lorenz
{
template< typename State , typename Deriv , typename Time >
void operator()( const State& x , Deriv& dxdt , const Time& t ) const
{
const Time sigma = 10.0;
const Time R = 28.0;
const Time b = 8.0 / 3.0;
dxdt[0] = sigma * ( x[1] - x[0] );
dxdt[1] = R * x[0] - x[1] - x[0] * x[2];
dxdt[2] = -b * x[2] + x[0] * x[1];
}
};
template< class State , class Deriv , class Time >
void constant_system_standard( const State &x , Deriv &dxdt , const Time t )
{

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@ -18,6 +18,7 @@ project
<library>/boost/test//boost_unit_test_framework
<define>BOOST_ALL_NO_LIB=1
<include>$(EIGEN_ROOT)
<include>../../test
<link>static
# <cxxflags>-D_SCL_SECURE_NO_WARNINGS
;
@ -29,5 +30,7 @@ test-suite "odeint"
[ run resize.cpp ]
[ run runge_kutta4.cpp ]
[ run runge_kutta_dopri5.cpp ]
[ run integrate.cpp ]
[ compile-fail fail_integrate.cpp ]
: <testing.launcher>valgrind
;

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@ -0,0 +1,47 @@
/*
[auto_generated]
fail_integrate.cpp
[begin_description]
tba.
[end_description]
Copyright 2009-2012 Karsten Ahnert
Copyright 2009-2012 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)
*/
#include <boost/config.hpp>
#ifdef BOOST_MSVC
#pragma warning(disable:4996)
#endif
#define BOOST_TEST_MODULE odeint_dummy
#include <boost/numeric/odeint/integrate/integrate.hpp>
#include <boost/numeric/odeint/external/eigen/eigen.hpp>
#include <boost/test/unit_test.hpp>
#include "dummy_odes.hpp"
using namespace boost::unit_test;
using namespace boost::numeric::odeint;
BOOST_AUTO_TEST_SUITE( eigen_fail_integrate )
BOOST_AUTO_TEST_CASE( test )
{
typedef Eigen::Matrix< double , 1 , 1 > state_type;
state_type x;
x[0] = 10.0;
double t_start = 0.0 , t_end = 1.0 , dt = 0.1;
integrate( constant_system_functor_standard() , x , t_start , t_end , dt );
}
BOOST_AUTO_TEST_SUITE_END()

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@ -0,0 +1,69 @@
/*
[auto_generated]
integrate.cpp
[begin_description]
tba.
[end_description]
Copyright 2009-2012 Karsten Ahnert
Copyright 2009-2012 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)
*/
#include <boost/config.hpp>
#ifdef BOOST_MSVC
#pragma warning(disable:4996)
#endif
#define BOOST_TEST_MODULE odeint_eigen_integrate
#include <boost/numeric/odeint/integrate/integrate.hpp>
#include <boost/numeric/odeint/external/eigen/eigen.hpp>
#include <boost/test/unit_test.hpp>
#include "dummy_odes.hpp"
using namespace boost::unit_test;
using namespace boost::numeric::odeint;
BOOST_AUTO_TEST_SUITE( eigen_integrate )
BOOST_AUTO_TEST_CASE( test_const_sys )
{
typedef Eigen::Matrix< double , 1 , 1 > state_type;
state_type x;
x[0] = 10.0;
double t_start = 0.0 , t_end = 1.0 , dt = 0.1;
integrate< double >( constant_system_functor_standard() , x , t_start , t_end , dt );
BOOST_CHECK_CLOSE( x[0] , 11.0 , 1.0e-13 );
}
BOOST_AUTO_TEST_CASE( test_lorenz )
{
typedef Eigen::Matrix< double , 3 , 1 > state_type;
state_type x;
x[0] = 10.0;
x[1] = 10.0;
x[2] = 10.0;
double t_start = 0.0 , t_end = 1000.0 , dt = 0.1;
integrate< double >( lorenz() , x , t_start , t_end , dt );
std::vector< double > x2( 3 );
x2[0] = 10.0;
x2[1] = 10.0;
x2[2] = 10.0;
integrate( lorenz() , x2 , t_start , t_end , dt );
BOOST_CHECK_CLOSE( x[0] , x2[0] , 1.0e-13 );
BOOST_CHECK_CLOSE( x[1] , x2[1] , 1.0e-13 );
BOOST_CHECK_CLOSE( x[2] , x2[2] , 1.0e-13 );
}
BOOST_AUTO_TEST_SUITE_END()