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57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/*
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[auto_generated]
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libs/numeric/odeint/examples/bind_member_functions.hpp
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[begin_description]
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tba.
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[end_description]
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Copyright 2012 Karsten Ahnert
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Copyright 2012 Mario Mulansky
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or
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copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <iostream>
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#include <array>
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#include <type_traits>
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#include <boost/numeric/odeint.hpp>
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namespace odeint = boost::numeric::odeint;
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typedef std::array< double , 3 > state_type;
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struct lorenz
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{
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void ode( const state_type &x , state_type &dxdt , double t ) const
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{
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const double sigma = 10.0;
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const double R = 28.0;
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const double b = 8.0 / 3.0;
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dxdt[0] = sigma * ( x[1] - x[0] );
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dxdt[1] = R * x[0] - x[1] - x[0] * x[2];
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dxdt[2] = -b * x[2] + x[0] * x[1];
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}
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};
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int main( int argc , char *argv[] )
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{
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using namespace boost::numeric::odeint;
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//[ bind_member_function_cpp11
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namespace pl = std::placeholders;
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state_type x = {{ 10.0 , 10.0 , 10.0 }};
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integrate_const( runge_kutta4< state_type >() ,
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std::bind( &lorenz::ode , lorenz() , pl::_1 , pl::_2 , pl::_3 ) ,
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x , 0.0 , 10.0 , 0.01 );
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//]
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return 0;
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}
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