116 lines
3.1 KiB
Plaintext
116 lines
3.1 KiB
Plaintext
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/*
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[auto_generated]
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boost/numeric/odeint/util/state_wrapper.hpp
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[begin_description]
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State wrapper for the state type in all stepper. The state wrappers are responsible for construction,
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destruction, copying construction, assignment and resizing.
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[end_description]
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Copyright 2011-2013 Karsten Ahnert
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Copyright 2011 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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#ifndef BOOST_NUMERIC_ODEINT_UTIL_SAME_SIZE_HPP_INCLUDED
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#define BOOST_NUMERIC_ODEINT_UTIL_SAME_SIZE_HPP_INCLUDED
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#include <boost/numeric/odeint/util/is_resizeable.hpp>
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#include <boost/utility/enable_if.hpp>
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#include <boost/fusion/include/is_sequence.hpp>
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#include <boost/fusion/include/zip_view.hpp>
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#include <boost/fusion/include/vector.hpp>
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#include <boost/fusion/include/make_fused.hpp>
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#include <boost/fusion/include/all.hpp>
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#include <boost/range.hpp>
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namespace boost {
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namespace numeric {
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namespace odeint {
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template< typename State1 , typename State2 , class Enabler = void >
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struct same_size_impl_sfinae
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{
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static bool same_size( const State1 &x1 , const State2 &x2 )
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{
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return ( boost::size( x1 ) == boost::size( x2 ) );
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}
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};
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// same_size function
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// standard implementation relies on boost.range
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template< class State1 , class State2 >
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struct same_size_impl
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{
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static bool same_size( const State1 &x1 , const State2 &x2 )
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{
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return same_size_impl_sfinae< State1 , State2 >::same_size( x1 , x2 );
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}
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};
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// do not overload or specialize this function, specialize resize_impl<> instead
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template< class State1 , class State2 >
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bool same_size( const State1 &x1 , const State2 &x2 )
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{
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return same_size_impl< State1 , State2 >::same_size( x1 , x2 );
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}
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namespace detail {
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struct same_size_fusion
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{
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typedef bool result_type;
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template< class S1 , class S2 >
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bool operator()( const S1 &x1 , const S2 &x2 ) const
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{
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return same_size_op( x1 , x2 , typename is_resizeable< S1 >::type() );
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}
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template< class S1 , class S2 >
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bool same_size_op( const S1 &x1 , const S2 &x2 , boost::true_type ) const
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{
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return same_size( x1 , x2 );
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}
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template< class S1 , class S2 >
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bool same_size_op( const S1 &/*x1*/ , const S2 &/*x2*/ , boost::false_type ) const
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{
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return true;
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}
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};
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} // namespace detail
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template< class FusionSeq >
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struct same_size_impl_sfinae< FusionSeq , FusionSeq , typename boost::enable_if< typename boost::fusion::traits::is_sequence< FusionSeq >::type >::type >
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{
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static bool same_size( const FusionSeq &x1 , const FusionSeq &x2 )
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{
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typedef boost::fusion::vector< const FusionSeq& , const FusionSeq& > Sequences;
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Sequences sequences( x1 , x2 );
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return boost::fusion::all( boost::fusion::zip_view< Sequences >( sequences ) ,
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boost::fusion::make_fused( detail::same_size_fusion() ) );
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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_SAME_SIZE_HPP_INCLUDED
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