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