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//
// Copyright (c) 2009 Rutger ter Borg
//
// 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_BINDINGS_GLAS_DENSE_VECTOR_COLLECTION_HPP
#define BOOST_NUMERIC_BINDINGS_GLAS_DENSE_VECTOR_COLLECTION_HPP
#include <boost/numeric/bindings/detail/adaptor.hpp>
#include <boost/numeric/bindings/detail/offset.hpp>
#include <glas/concept/dense_vector_collection.hpp>
#include <glas/concept/fixed_size_vector_expression.hpp>
#include <glas/concept/fixed_size.hpp>
#include <glas/concept/value_type.hpp>
#include <glas/concept/size.hpp>
#include <glas/concept/stride.hpp>
#include <glas/concept/storage_ptr.hpp>
namespace boost {
namespace numeric {
namespace bindings {
namespace detail {
// Need a helper type here, because
// glas::fixed_size<T> doesn't work for any T
template< typename T, typename Enable = void >
struct glas_vector_size_type {
typedef std::ptrdiff_t type;
};
template< typename T >
struct glas_vector_size_type<
T, typename boost::enable_if< glas::FixedSizeVectorExpression<T> >::type > {
typedef mpl::int_< glas::fixed_size<T>::value > type;
};
template< typename T, typename Id >
struct adaptor< T, Id, typename boost::enable_if< glas::DenseVectorCollection<T> >::type > {
typedef typename copy_const< Id, typename glas::value_type<T>::type >::type value_type;
typedef typename glas_vector_size_type< T >::type size_type1;
typedef typename mpl::if_<
glas::ContiguousDenseVectorCollection<T>,
tag::contiguous,
std::ptrdiff_t
>::type stride_type1;
typedef mpl::map<
mpl::pair< tag::value_type, value_type >,
mpl::pair< tag::entity, tag::vector >,
mpl::pair< tag::size_type<1>, size_type1 >,
mpl::pair< tag::data_structure, tag::linear_array >,
mpl::pair< tag::stride_type<1>, stride_type1 >
> property_map;
// Only called in case of dynamic sizes
static std::ptrdiff_t size1( const Id& id ) {
return glas::size( id );
}
static value_type* begin_value( Id& id ) {
return glas::storage_ptr( id );
}
static value_type* end_value( Id& id ) {
return glas::storage_ptr( id ) + offset( id, bindings::size1( id ) );
}
// Only called in case of dynamic strides
static std::ptrdiff_t stride1( const Id& id ) {
return glas::stride( id );
}
};
} // namespace detail
} // namespace bindings
} // namespace numeric
} // namespace boost
#endif
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