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92 lines
2.5 KiB
92 lines
2.5 KiB
// |
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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_EIGEN_SPARSEMATRIX_HPP |
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#define BOOST_NUMERIC_BINDINGS_EIGEN_SPARSEMATRIX_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 <Eigen/Sparse> |
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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< int Value > |
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struct eigen_data_order { |
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typedef typename mpl::if_< |
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mpl::bool_< Value & Eigen::RowMajorBit >, |
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tag::row_major, |
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tag::column_major |
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>::type type; |
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}; |
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template< typename T, int Flags, typename Id, typename Enable > |
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struct adaptor< Eigen::SparseMatrix< T, Flags >, 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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//??? (Sorry, couldn't find it. Maybe fix it later.) |
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std::ptrdiff_t |
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>::type index_type; |
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typedef typename eigen_data_order< Flags >::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.rows(); |
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} |
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static std::ptrdiff_t size2( const Id& id ) { |
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return id.cols(); |
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} |
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static value_type* begin_value( Id& id ) { |
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return id._valuePtr(); |
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} |
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static value_type* end_value( Id& id ) { |
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return id._valuePtr() + id.nonZeros(); |
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} |
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static index_type* begin_compressed_index_major( Id& id ) { |
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return id._outerIndexPtr(); |
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} |
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static index_type* end_compressed_index_major( Id& id ) { |
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return id._outerIndexPtr() + id.outerSize() + 1; |
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} |
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static index_type* begin_index_minor( Id& id ) { |
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return id._innerIndexPtr(); |
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} |
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static index_type* end_index_minor( Id& id ) { |
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return id._innerIndexPtr() + id.nonZeros(); |
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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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