boost/numeric/odeint/util/resizer.hpp
/*
[auto_generated]
boost/numeric/odeint/util/resizer.hpp
[begin_description]
Implementation of the resizers.
[end_description]
Copyright 2011-2012 Mario Mulansky
Copyright 2011 Karsten Ahnert
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_UTIL_RESIZER_HPP_INCLUDED
#define BOOST_NUMERIC_ODEINT_UTIL_RESIZER_HPP_INCLUDED
#include <boost/numeric/odeint/util/is_resizeable.hpp>
#include <boost/numeric/odeint/util/same_size.hpp>
#include <boost/numeric/odeint/util/resize.hpp>
#include <type_traits>
namespace boost {
namespace numeric {
namespace odeint {
template< class ResizeWrappedState , class State >
bool adjust_size_by_resizeability( ResizeWrappedState &x , const State &y , std::true_type )
{
if ( !same_size( x.m_v , y ) )
{
resize( x.m_v , y );
return true;
}
else
return false;
}
template< class ResizeWrappedState , class State >
bool adjust_size_by_resizeability( ResizeWrappedState & /* x */ , const State & /* y */ , std::false_type )
{
return false;
}
struct always_resizer
{
template< class State , class ResizeFunction >
bool adjust_size( const State &x , ResizeFunction f )
{
return f( x );
}
};
struct initially_resizer
{
bool m_initialized;
initially_resizer() : m_initialized( false )
{ }
template< class State , class ResizeFunction >
bool adjust_size( const State &x , ResizeFunction f )
{
if( !m_initialized )
{
m_initialized = true;
return f( x );
} else
return false;
}
};
struct never_resizer
{
template< class State , class ResizeFunction >
bool adjust_size( const State &/*x*/ , ResizeFunction /*f*/ )
{
return false;
}
};
}
}
}
#endif // BOOST_NUMERIC_ODEINT_UTIL_RESIZER_HPP_INCLUDED