mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-31 04:50:34 -04:00
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
|
/*
|
||
|
|
[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()
|