ublas/traits/c_array.hpp

0001 /**
0002  * -*- c++ -*-
0003  *
0004  * \file c_array.hpp
0005  *
0006  * \brief provides specializations of matrix and vector traits for c arrays and c matrices.
0007  *
0008  * Copyright (c) 2009, Gunter Winkler
0009  *
0010  * Distributed under the Boost Software License, Version 1.0. (See
0011  * accompanying file LICENSE_1_0.txt or copy at
0012  * http://www.boost.org/LICENSE_1_0.txt)
0013  *
0014  * \author Gunter Winkler (guwi17 at gmx dot de)
0015  */
0016
0017 #ifndef BOOST_NUMERIC_UBLAS_TRAITS_C_ARRAY_HPP
0018 #define BOOST_NUMERIC_UBLAS_TRAITS_C_ARRAY_HPP
0019
0020
0021 #include <boost/numeric/ublas/traits.hpp>
0022 #include <boost/numeric/ublas/traits/const_iterator_type.hpp>
0023 #include <boost/numeric/ublas/traits/iterator_type.hpp>
0024
0025 namespace boost { namespace numeric { namespace ublas {
0026
0027     namespace detail {
0028
0029
0030
0031     }
0032
0033
0034     template < class T, int M, int N >
0035     struct matrix_view_traits < T[M][N] > {
0036         typedef T              matrix_type[M][N];
0037
0038         typedef std::size_t          size_type;
0039         typedef std::ptrdiff_t       difference_type;
0040
0041         typedef row_major_tag  orientation_category;
0042         typedef dense_tag      storage_category;
0043
0044         typedef T            value_type;
0045         typedef const T      &const_reference;
0046         typedef const T      *const_pointer;
0047
0048         typedef const matrix_reference<const matrix_type>    const_closure_type;
0049
0050         typedef T row_type[N];
0051
0052         typedef const row_type *const_iterator1;
0053         typedef const_pointer  const_iterator2;
0054
0055     };
0056
0057     template < class T, int M, int N >
0058     struct mutable_matrix_traits < T[M][N] > {
0059         typedef T            matrix_type[M][N];
0060
0061         typedef T            *reference;
0062
0063         typedef matrix_reference<matrix_type>                closure_type;
0064
0065     };
0066
0067     template < class T, int N  >
0068     struct vector_view_traits < T[N] > {
0069         typedef T              vector_type[N];
0070
0071         typedef std::size_t          size_type;
0072         typedef std::ptrdiff_t       difference_type;
0073
0074         typedef dense_tag      storage_category;
0075
0076         typedef T            value_type;
0077         typedef const T      &const_reference;
0078         typedef const T      *const_pointer;
0079
0080         typedef const vector_reference<const vector_type>    const_closure_type;
0081
0082         typedef const_pointer const_iterator;
0083
0084         /// iterator pointing to the first element
0085         static
0086         const_iterator begin(const vector_type & v) {
0087             return & (v[0]);
0088         }
0089         /// iterator pointing behind the last element
0090         static
0091         const_iterator end(const vector_type & v) {
0092             return & (v[N]);
0093         }
0094     };
0095
0096     template < class T, int N  >
0097     struct mutable_vector_traits < T[N] >  {
0098
0099         typedef T &reference;
0100         typedef T *pointer;
0101         typedef vector_reference< T[N] > closure_type;
0102
0103     };
0104
0105
0106
0107
0108 }}} // Namespace boost::numeric::ublas
0109
0110 #endif