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see #3449: introduce new free functions to access matrix/vector properties (Incomplete)

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* move experimental traits of T[N] and T[M][N] to separate file

[SVN r56600]
This commit is contained in:
Gunter Winkler
2009-10-05 20:44:06 +00:00
parent 3682d548ad
commit 6b2a06efce
2 changed files with 111 additions and 58 deletions
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59
include/boost/numeric/ublas/traits.hpp
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@@ -647,64 +647,7 @@ namespace boost { namespace numeric { namespace ublas {
};
template < class T, int M, int N >
struct matrix_traits < T[M][N] > {
typedef T matrix_type[M][N];
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef row_major_tag orientation_category;
typedef dense_tag storage_category;
typedef T value_type;
typedef T *reference;
typedef const T *const_reference;
// \todo { define correct wrapper }
typedef matrix_reference<matrix_type> closure_type;
typedef const matrix_reference<const matrix_type> const_closure_type;
// \todo { define appropriate iterators }
};
template < class T, int N >
struct vector_view_traits < T[N] > {
typedef T vector_type[N];
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef dense_tag storage_category;
typedef T value_type;
typedef const T *const_reference;
// \todo { define correct wrapper }
typedef const vector_reference<const vector_type> const_closure_type;
typedef const_reference const_iterator;
/// iterator pointing to the first element
static
const_iterator begin(const vector_type & v) {
return & (v[0]);
}
/// iterator pointing behind the last element
static
const_iterator end(const vector_type & v) {
return & (v[N]);
}
};
template < class T, int N >
struct mutable_vector_traits < T[N] > {
typedef T *reference;
typedef vector_reference< T[N] > closure_type;
};
// Note: specializations for T[N] and T[M][N] have been moved to traits/c_array.hpp
}}}

110
include/boost/numeric/ublas/traits/c_array.hpp Normal file
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@@ -0,0 +1,110 @@
/**
* -*- c++ -*-
*
* \file c_array.hpp
*
* \brief provides specializations of matrix and vector traits for c arrays and c matrices.
*
* Copyright (c) 2009, Gunter Winkler
*
* 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 Gunter Winkler (guwi17 at gmx dot de)
*/
#ifndef BOOST_NUMERIC_UBLAS_TRAITS_C_ARRAY_HPP
#define BOOST_NUMERIC_UBLAS_TRAITS_C_ARRAY_HPP
#include <boost/numeric/ublas/traits.hpp>
#include <boost/numeric/ublas/traits/const_iterator_type.hpp>
#include <boost/numeric/ublas/traits/iterator_type.hpp>
namespace boost { namespace numeric { namespace ublas {
namespace detail {
}
template < class T, int M, int N >
struct matrix_view_traits < T[M][N] > {
typedef T matrix_type[M][N];
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef row_major_tag orientation_category;
typedef dense_tag storage_category;
typedef T value_type;
typedef const T &const_reference;
typedef const T *const_pointer;
typedef const matrix_reference<const matrix_type> const_closure_type;
typedef T row_type[N];
typedef const row_type *const_iterator1;
typedef const_pointer const_iterator2;
};
template < class T, int M, int N >
struct mutable_matrix_traits < T[M][N] > {
typedef T matrix_type[M][N];
typedef T *reference;
typedef matrix_reference<matrix_type> closure_type;
};
template < class T, int N >
struct vector_view_traits < T[N] > {
typedef T vector_type[N];
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef dense_tag storage_category;
typedef T value_type;
typedef const T &const_reference;
typedef const T *const_pointer;
typedef const vector_reference<const vector_type> const_closure_type;
typedef const_pointer const_iterator;
/// iterator pointing to the first element
static
const_iterator begin(const vector_type & v) {
return & (v[0]);
}
/// iterator pointing behind the last element
static
const_iterator end(const vector_type & v) {
return & (v[N]);
}
};
template < class T, int N >
struct mutable_vector_traits < T[N] > {
typedef T &reference;
typedef T *pointer;
typedef vector_reference< T[N] > closure_type;
};
}}} // Namespace boost::numeric::ublas
#endif