//
// Copyright (c) 2009--2010
// Thomas Klimpel and 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_COMPRESSED_HPP
#define BOOST_NUMERIC_BINDINGS_GLAS_COMPRESSED_HPP

#include <Core/Utils/numeric/bindings/begin.hpp>
#include <Core/Utils/numeric/bindings/end.hpp>
#include <Core/Utils/numeric/bindings/detail/adaptor.hpp>
#include <Core/Utils/numeric/bindings/detail/copy_const.hpp>
#include <Core/Utils/numeric/bindings/glas/detail/convert_to.hpp>
#include <Core/Utils/numeric/bindings/glas/dense_vector.hpp>
#include <Core/Utils/numeric/bindings/std/vector.hpp>
#include <glas/sparse/compressed.hpp>

namespace boost
{
    namespace numeric
    {
        namespace bindings
        {
            namespace detail
            {
                template <typename T, typename O, typename IndexType, typename NNZType, int IB, typename Id, typename
                          Enable>
                struct adaptor<glas::sparse_matrix<T, glas::compressed_sparse_structure<O, IndexType, NNZType, IB>>, Id,
                               Enable>
                {
                    typedef typename copy_const<Id, T>::type value_type;
                    typedef typename copy_const<Id, IndexType>::type index_type;
                    typedef typename convert_to<tag::data_order, O>::type data_order;
                    typedef mpl::map<
                        mpl::pair<tag::value_type, value_type>,
                        mpl::pair<tag::index_type, index_type>,
                        mpl::pair<tag::entity, tag::matrix>,
                        mpl::pair < tag::size_type < 1>
                    ,
                    std::ptrdiff_t
                    >
                    ,
                    mpl::pair<tag::size_type < 2>
                    ,
                    std::ptrdiff_t
                    >
                    ,
                    mpl::pair<tag::matrix_type, tag::general>
                    ,
                    mpl::pair<tag::data_structure, tag::compressed_sparse>
                    ,
                    mpl::pair<tag::data_order, data_order>
                    ,
                    mpl::pair<tag::index_base, mpl::int_<IB>>
                    >
                    property_map;

                    static std::ptrdiff_t size1(const Id& id)
                    {
                        return id.num_rows();
                    }

                    static std::ptrdiff_t size2(const Id& id)
                    {
                        return id.num_columns();
                    }

                    static value_type* begin_value(Id& id)
                    {
                        return bindings::begin_value(id.value_array());
                    }

                    static value_type* end_value(Id& id)
                    {
                        return bindings::begin_value(id.value_array()) + id.nnz();
                    }

                    static index_type* begin_compressed_index_major(Id& id)
                    {
                        return bindings::begin_value(id.sparse_structure().compressed_index_array());
                    }

                    static index_type* end_compressed_index_major(Id& id)
                    {
                        return bindings::end_value(id.sparse_structure().compressed_index_array());
                    }

                    static index_type* begin_index_minor(Id& id)
                    {
                        return bindings::begin_value(id.sparse_structure().index_array());
                    }

                    static index_type* end_index_minor(Id& id)
                    {
                        return bindings::begin_value(id.sparse_structure().index_array()) + id.nnz();
                    }
                };
            } // namespace detail
        } // namespace bindings
    } // namespace numeric
} // namespace boost

#endif
