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89 lines
2.7 KiB
89 lines
2.7 KiB
6 years ago
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// Copyright (c) 2009--2010
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// Thomas Klimpel and Rutger ter Borg
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//
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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 copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_NUMERIC_BINDINGS_MTL_COMPRESSED2D_HPP
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#define BOOST_NUMERIC_BINDINGS_MTL_COMPRESSED2D_HPP
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#include <boost/numeric/bindings/detail/adaptor.hpp>
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#include <boost/numeric/bindings/detail/copy_const.hpp>
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#include <boost/numeric/bindings/mtl/detail/convert_to.hpp>
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#include <boost/numeric/mtl/matrix/compressed2D.hpp>
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namespace boost {
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namespace numeric {
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namespace bindings {
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namespace detail {
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template< typename T, typename Parameters, typename Id, typename Enable >
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struct adaptor< mtl::compressed2D< T, Parameters >, Id, Enable > {
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typedef typename copy_const< Id, T >::type value_type;
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typedef typename copy_const<
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Id,
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//typename Id::index_type
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//typename Id::size_type // (Seems to be the actually used index_type)
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std::ptrdiff_t // (Seems to be an actual usable type for bindings purposes)
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>::type index_type;
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typedef typename convert_to<
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tag::data_order,
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typename Parameters::orientation
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>::type data_order;
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typedef mpl::map<
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mpl::pair< tag::value_type, value_type >,
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mpl::pair< tag::index_type, index_type >,
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mpl::pair< tag::entity, tag::matrix >,
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mpl::pair< tag::size_type<1>, std::ptrdiff_t >,
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mpl::pair< tag::size_type<2>, std::ptrdiff_t >,
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mpl::pair< tag::matrix_type, tag::general >,
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mpl::pair< tag::data_structure, tag::compressed_sparse >,
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mpl::pair< tag::data_order, data_order >,
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mpl::pair< tag::index_base, mpl::int_<0> >
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> property_map;
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static std::ptrdiff_t size1( const Id& id ) {
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return id.num_rows();
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}
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static std::ptrdiff_t size2( const Id& id ) {
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return id.num_cols();
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}
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static value_type* begin_value( Id& id ) {
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return id.address_data();
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}
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static value_type* end_value( Id& id ) {
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return id.address_data() + id.nnz();
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}
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static index_type* begin_compressed_index_major( Id& id ) {
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return reinterpret_cast<index_type*>(id.address_major());
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}
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static index_type* end_compressed_index_major( Id& id ) {
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return reinterpret_cast<index_type*>(id.address_major() + id.dim1() + 1);
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}
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static index_type* begin_index_minor( Id& id ) {
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return reinterpret_cast<index_type*>(id.address_minor());
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}
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static index_type* end_index_minor( Id& id ) {
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return reinterpret_cast<index_type*>(id.address_minor() + id.nnz());
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}
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};
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} // namespace detail
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} // namespace bindings
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} // namespace numeric
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} // namespace boost
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#endif
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