WSJT-X/boost/libs/numeric/odeint/examples/bind_member_functions_cpp11.cpp

57 lines
1.3 KiB
C++

/*
[auto_generated]
libs/numeric/odeint/examples/bind_member_functions.hpp
[begin_description]
tba.
[end_description]
Copyright 2012 Karsten Ahnert
Copyright 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 <iostream>
#include <array>
#include <type_traits>
#include <boost/numeric/odeint.hpp>
namespace odeint = boost::numeric::odeint;
typedef std::array< double , 3 > state_type;
struct lorenz
{
void ode( const state_type &x , state_type &dxdt , double t ) const
{
const double sigma = 10.0;
const double R = 28.0;
const double 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];
}
};
int main( int argc , char *argv[] )
{
using namespace boost::numeric::odeint;
//[ bind_member_function_cpp11
namespace pl = std::placeholders;
state_type x = {{ 10.0 , 10.0 , 10.0 }};
integrate_const( runge_kutta4< state_type >() ,
std::bind( &lorenz::ode , lorenz() , pl::_1 , pl::_2 , pl::_3 ) ,
x , 0.0 , 10.0 , 0.01 );
//]
return 0;
}