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- /**
- * -*- c++ -*-
- *
- * \file iterator_type.hpp
- *
- * \brief Iterator to a given container type.
- *
- * Copyright (c) 2009, Marco Guazzone
- *
- * 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)
- *
- * \author Marco Guazzone, marco.guazzone@gmail.com
- */
- #ifndef BOOST_NUMERIC_UBLAS_TRAITS_ITERATOR_TYPE_HPP
- #define BOOST_NUMERIC_UBLAS_TRAITS_ITERATOR_TYPE_HPP
- #include <boost/numeric/ublas/fwd.hpp>
- #include <boost/numeric/ublas/traits.hpp>
- #include <boost/numeric/ublas/tags.hpp>
- namespace boost { namespace numeric { namespace ublas {
- namespace detail {
- /**
- * \brief Auxiliary class for retrieving the iterator to the given
- * matrix expression according its orientation and to the given dimension tag.
- * \tparam MatrixT A model of MatrixExpression.
- * \tparam TagT A dimension tag type (e.g., tag::major).
- * \tparam OrientationT An orientation category type (e.g., row_major_tag).
- */
- template <typename MatrixT, typename TagT, typename OrientationT>
- struct iterator_type_impl;
- /// \brief Specialization of \c iterator_type_impl for row-major oriented
- /// matrices and over the major dimension.
- template <typename MatrixT>
- struct iterator_type_impl<MatrixT,tag::major,row_major_tag>
- {
- typedef typename matrix_traits<MatrixT>::iterator1 type;
- };
- /// \brief Specialization of \c iterator_type_impl for column-major oriented
- /// matrices and over the major dimension.
- template <typename MatrixT>
- struct iterator_type_impl<MatrixT,tag::major,column_major_tag>
- {
- typedef typename matrix_traits<MatrixT>::iterator2 type;
- };
- /// \brief Specialization of \c iterator_type_impl for row-major oriented
- /// matrices and over the minor dimension.
- template <typename MatrixT>
- struct iterator_type_impl<MatrixT,tag::minor,row_major_tag>
- {
- typedef typename matrix_traits<MatrixT>::iterator2 type;
- };
- /// \brief Specialization of \c iterator_type_impl for column-major oriented
- /// matrices and over the minor dimension.
- template <typename MatrixT>
- struct iterator_type_impl<MatrixT,tag::minor,column_major_tag>
- {
- typedef typename matrix_traits<MatrixT>::iterator1 type;
- };
- } // Namespace detail
- /**
- * \brief A iterator for the given container type over the given dimension.
- * \tparam ContainerT A container expression type.
- * \tparam TagT A dimension tag type (e.g., tag::major).
- */
- template <typename ContainerT, typename TagT=void>
- struct iterator_type;
- /**
- * \brief Specialization of \c iterator_type for vector expressions.
- * \tparam VectorT A model of VectorExpression type.
- */
- template <typename VectorT>
- struct iterator_type<VectorT, void>
- {
- typedef typename vector_traits<VectorT>::iterator type;
- };
- /**
- * \brief Specialization of \c iterator_type for matrix expressions and
- * over the major dimension.
- * \tparam MatrixT A model of MatrixExpression type.
- */
- template <typename MatrixT>
- struct iterator_type<MatrixT,tag::major>
- {
- typedef typename detail::iterator_type_impl<MatrixT,tag::major,typename matrix_traits<MatrixT>::orientation_category>::type type;
- };
- /**
- * \brief Specialization of \c iterator_type for matrix expressions and
- * over the minor dimension.
- * \tparam MatrixT A model of MatrixExpression type.
- */
- template <typename MatrixT>
- struct iterator_type<MatrixT,tag::minor>
- {
- typedef typename detail::iterator_type_impl<MatrixT,tag::minor,typename matrix_traits<MatrixT>::orientation_category>::type type;
- };
- }}} // Namespace boost::numeric::ublas
- #endif // BOOST_NUMERIC_UBLAS_TRAITS_ITERATOR_TYPE_HPP
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