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/*
[auto_generated]
boost/numeric/odeint/util/multi_array_adaption.hpp
[begin_description]
tba.
[end_description]
Copyright 2009-2012 Karsten Ahnert
Copyright 2009-2012 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)
*/
#ifndef BOOST_NUMERIC_ODEINT_UTIL_MULTI_ARRAY_ADAPTION_HPP_DEFINED
#define BOOST_NUMERIC_ODEINT_UTIL_MULTI_ARRAY_ADAPTION_HPP_DEFINED
#include <boost/numeric/odeint/util/is_resizeable.hpp>
#include <boost/numeric/odeint/util/resize.hpp>
#include <boost/numeric/odeint/util/same_size.hpp>
#include <boost/mpl/and.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/multi_array.hpp>
namespace boost {
namespace numeric {
namespace odeint {
template< typename T >
struct is_multi_array
{
typedef boost::false_type type;
const static bool value = type::value;
};
template< typename T >
struct is_resizeable_multi_array
{
typedef boost::false_type type;
const static bool value = type::value;
};
template< typename V , size_t Dim , typename A >
struct is_multi_array< boost::multi_array< V , Dim , A > >
{
typedef boost::true_type type;
const static bool value = type::value;
};
template< typename V , size_t Dim , typename A >
struct is_resizeable_multi_array< boost::multi_array< V , Dim , A > >
{
typedef boost::true_type type;
const static bool value = type::value;
};
template< typename T >
struct is_resizeable_sfinae< T , typename boost::enable_if< typename is_resizeable_multi_array< T >::type >::type >
{
typedef boost::true_type type;
const static bool value = type::value;
};
template< typename T1 , typename T2 >
struct same_size_impl_sfinae< T1 , T2 ,
typename boost::enable_if<
typename boost::mpl::and_<
is_multi_array< T1 > ,
is_multi_array< T2 > ,
boost::mpl::bool_< T1::dimensionality == T2::dimensionality >
>::type
>::type >
{
static bool same_size( T1 const &x1 , T2 const &x2 )
{
for( size_t i=0 ; i<T1::dimensionality ; ++i )
{
if( x1.shape()[i] != x2.shape()[i] ) return false;
if( x1.index_bases()[i] != x2.index_bases()[i] ) return false;
}
return true;
}
};
template< typename T1 , typename T2 >
struct resize_impl_sfinae< T1 , T2 ,
typename boost::enable_if<
typename boost::mpl::and_<
is_resizeable_multi_array< T1 > ,
is_multi_array< T2 > ,
boost::mpl::bool_< T1::dimensionality == T2::dimensionality >
>::type
>::type >
{
static void resize( T1 &x1 , const T2 &x2 )
{
boost::array< int , T1::dimensionality > extents;
for( size_t i=0 ; i<T1::dimensionality ; ++i ) extents[i] = x2.shape()[i];
x1.resize( extents );
boost::array< int , T1::dimensionality > origins;
for( size_t i=0 ; i<T1::dimensionality ; ++i ) origins[i] = x2.index_bases()[i];
x1.reindex( origins );
}
};
} // namespace odeint
} // namespace numeric
} // namespace boost
#endif // BOOST_NUMERIC_ODEINT_UTIL_MULTI_ARRAY_ADAPTION_HPP_DEFINED