mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-17 09:31:59 -05:00
152 lines
3.0 KiB
C++
152 lines
3.0 KiB
C++
/*
|
|
[auto_generated]
|
|
libs/numeric/odeint/test/dummy_odes.hpp
|
|
|
|
[begin_description]
|
|
tba.
|
|
[end_description]
|
|
|
|
Copyright 2012-2013 Karsten Ahnert
|
|
Copyright 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)
|
|
*/
|
|
|
|
|
|
#ifndef LIBS_NUMERIC_ODEINT_TEST_DUMMY_ODES_HPP_DEFINED
|
|
#define LIBS_NUMERIC_ODEINT_TEST_DUMMY_ODES_HPP_DEFINED
|
|
|
|
#include <boost/fusion/include/at_c.hpp>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
* rhs functors/functions for different state types
|
|
*/
|
|
struct constant_system_functor_standard
|
|
{
|
|
template< class State , class Deriv , class Time >
|
|
void operator()( const State &x , Deriv &dxdt , const Time t ) const
|
|
{
|
|
dxdt[0] = 1.0;
|
|
}
|
|
};
|
|
|
|
struct constant_system_functor_vector_space
|
|
{
|
|
template< class State , class Deriv , class Time >
|
|
void operator()( const State &x , Deriv &dxdt , const Time t ) const
|
|
{
|
|
dxdt = 1.0;
|
|
}
|
|
};
|
|
|
|
struct constant_system_functor_fusion
|
|
{
|
|
template< class State , class Deriv , class Time >
|
|
void operator()( const State &x , Deriv &dxdt , const Time t ) const
|
|
{
|
|
boost::fusion::at_c< 0 >( dxdt ) = boost::fusion::at_c< 0 >( x ) / Time( 1.0 );
|
|
}
|
|
};
|
|
|
|
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 )
|
|
{
|
|
dxdt[0] = 1.0;
|
|
}
|
|
|
|
template< class State , class Deriv , class Time >
|
|
void constant_system_vector_space( const State &x , Deriv &dxdt , const Time t )
|
|
{
|
|
dxdt = 1.0;
|
|
}
|
|
|
|
template< class State , class Deriv , class Time >
|
|
void constant_system_fusion( const State &x , Deriv &dxdt , const Time t )
|
|
{
|
|
boost::fusion::at_c< 0 >( dxdt ) = boost::fusion::at_c< 0 >( x ) / Time( 1.0 );
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* rhs functors for symplectic steppers
|
|
*/
|
|
struct constant_mom_func
|
|
{
|
|
template< class StateIn , class StateOut >
|
|
void operator()( const StateIn &q , StateOut &dp ) const
|
|
{
|
|
dp[0] = 1.0;
|
|
}
|
|
};
|
|
|
|
struct default_coor_func
|
|
{
|
|
template< class StateIn , class StateOut >
|
|
void operator()( const StateIn &p , StateOut &dq ) const
|
|
{
|
|
dq[0] = p[0];
|
|
}
|
|
};
|
|
|
|
|
|
|
|
struct constant_mom_func_vector_space_1d
|
|
{
|
|
template< class T >
|
|
void operator()( const T &q , T &dp ) const
|
|
{
|
|
dp = 1.0;
|
|
}
|
|
};
|
|
|
|
struct default_coor_func_vector_space_1d
|
|
{
|
|
template< class T >
|
|
void operator()( const T &p , T &dq ) const
|
|
{
|
|
dq = p;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
struct empty_system
|
|
{
|
|
template <class State >
|
|
void operator()( const State &x , State &dxdt , double t ) const
|
|
{
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // LIBS_NUMERIC_ODEINT_TEST_DUMMY_ODES_HPP_DEFINED
|