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2088 lines
67 KiB
C++
2088 lines
67 KiB
C++
//
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// Copyright (c) 2000-2002
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// Joerg Walter, Mathias Koch
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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// The authors gratefully acknowledge the support of
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// GeNeSys mbH & Co. KG in producing this work.
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//
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#ifndef BOOST_UBLAS_STORAGE_H
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#define BOOST_UBLAS_STORAGE_H
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#include <algorithm>
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#ifdef BOOST_UBLAS_SHALLOW_ARRAY_ADAPTOR
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#include <boost/shared_array.hpp>
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#endif
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#include <boost/serialization/array.hpp>
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#include <boost/serialization/collection_size_type.hpp>
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#include <boost/serialization/nvp.hpp>
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#include <boost/numeric/ublas/exception.hpp>
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#include <boost/numeric/ublas/traits.hpp>
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#include <boost/numeric/ublas/detail/iterator.hpp>
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namespace boost { namespace numeric { namespace ublas {
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// Base class for Storage Arrays - see the Barton Nackman trick
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template<class E>
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class storage_array:
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private nonassignable {
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};
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// Unbounded array - with allocator
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template<class T, class ALLOC>
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class unbounded_array:
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public storage_array<unbounded_array<T, ALLOC> > {
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typedef unbounded_array<T, ALLOC> self_type;
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public:
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typedef ALLOC allocator_type;
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typedef typename ALLOC::size_type size_type;
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typedef typename ALLOC::difference_type difference_type;
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typedef T value_type;
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typedef const T &const_reference;
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typedef T &reference;
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typedef const T *const_pointer;
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typedef T *pointer;
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typedef const_pointer const_iterator;
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typedef pointer iterator;
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// Construction and destruction
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explicit BOOST_UBLAS_INLINE
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unbounded_array (const ALLOC &a = ALLOC()):
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alloc_ (a), size_ (0) {
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data_ = 0;
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}
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explicit BOOST_UBLAS_INLINE
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unbounded_array (size_type size, const ALLOC &a = ALLOC()):
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alloc_(a), size_ (size) {
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if (size_) {
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data_ = alloc_.allocate (size_);
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if (! detail::has_trivial_constructor<T>::value) {
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for (pointer d = data_; d != data_ + size_; ++d)
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alloc_.construct(d, value_type());
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}
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}
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else
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data_ = 0;
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}
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// No value initialised, but still be default constructed
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BOOST_UBLAS_INLINE
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unbounded_array (size_type size, const value_type &init, const ALLOC &a = ALLOC()):
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alloc_ (a), size_ (size) {
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if (size_) {
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data_ = alloc_.allocate (size_);
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std::uninitialized_fill (begin(), end(), init);
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}
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else
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data_ = 0;
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}
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BOOST_UBLAS_INLINE
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unbounded_array (const unbounded_array &c):
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storage_array<unbounded_array<T, ALLOC> >(),
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alloc_ (c.alloc_), size_ (c.size_) {
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if (size_) {
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data_ = alloc_.allocate (size_);
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std::uninitialized_copy (c.begin(), c.end(), begin());
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}
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else
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data_ = 0;
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}
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BOOST_UBLAS_INLINE
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~unbounded_array () {
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if (size_) {
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if (! detail::has_trivial_destructor<T>::value) {
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// std::_Destroy (begin(), end(), alloc_);
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const iterator i_end = end();
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for (iterator i = begin (); i != i_end; ++i) {
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iterator_destroy (i);
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}
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}
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alloc_.deallocate (data_, size_);
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}
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}
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// Resizing
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private:
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BOOST_UBLAS_INLINE
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void resize_internal (const size_type size, const value_type init, const bool preserve) {
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if (size != size_) {
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pointer p_data = data_;
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if (size) {
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data_ = alloc_.allocate (size);
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if (preserve) {
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pointer si = p_data;
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pointer di = data_;
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if (size < size_) {
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for (; di != data_ + size; ++di) {
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alloc_.construct (di, *si);
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++si;
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}
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}
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else {
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for (; si != p_data + size_; ++si) {
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alloc_.construct (di, *si);
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++di;
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}
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for (; di != data_ + size; ++di) {
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alloc_.construct (di, init);
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}
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}
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}
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else {
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if (! detail::has_trivial_constructor<T>::value) {
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for (pointer di = data_; di != data_ + size; ++di)
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alloc_.construct (di, value_type());
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}
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}
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}
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if (size_) {
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if (! detail::has_trivial_destructor<T>::value) {
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for (pointer si = p_data; si != p_data + size_; ++si)
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alloc_.destroy (si);
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}
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alloc_.deallocate (p_data, size_);
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}
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if (!size)
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data_ = 0;
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size_ = size;
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}
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}
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public:
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BOOST_UBLAS_INLINE
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void resize (size_type size) {
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resize_internal (size, value_type (), false);
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}
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BOOST_UBLAS_INLINE
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void resize (size_type size, value_type init) {
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resize_internal (size, init, true);
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}
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// Random Access Container
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BOOST_UBLAS_INLINE
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size_type max_size () const {
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return ALLOC ().max_size();
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}
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BOOST_UBLAS_INLINE
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bool empty () const {
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return size_ == 0;
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}
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BOOST_UBLAS_INLINE
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size_type size () const {
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return size_;
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}
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// Element access
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BOOST_UBLAS_INLINE
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const_reference operator [] (size_type i) const {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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return data_ [i];
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}
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BOOST_UBLAS_INLINE
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reference operator [] (size_type i) {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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return data_ [i];
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}
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// Assignment
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BOOST_UBLAS_INLINE
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unbounded_array &operator = (const unbounded_array &a) {
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if (this != &a) {
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resize (a.size_);
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std::copy (a.data_, a.data_ + a.size_, data_);
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}
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return *this;
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}
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BOOST_UBLAS_INLINE
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unbounded_array &assign_temporary (unbounded_array &a) {
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swap (a);
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return *this;
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}
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// Swapping
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BOOST_UBLAS_INLINE
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void swap (unbounded_array &a) {
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if (this != &a) {
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std::swap (size_, a.size_);
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std::swap (data_, a.data_);
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}
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}
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BOOST_UBLAS_INLINE
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friend void swap (unbounded_array &a1, unbounded_array &a2) {
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a1.swap (a2);
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}
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BOOST_UBLAS_INLINE
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const_iterator begin () const {
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return data_;
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}
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BOOST_UBLAS_INLINE
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const_iterator cbegin () const {
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return begin ();
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}
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BOOST_UBLAS_INLINE
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const_iterator end () const {
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return data_ + size_;
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}
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BOOST_UBLAS_INLINE
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const_iterator cend () const {
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return end ();
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}
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BOOST_UBLAS_INLINE
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iterator begin () {
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return data_;
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}
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BOOST_UBLAS_INLINE
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iterator end () {
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return data_ + size_;
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}
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// Reverse iterators
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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BOOST_UBLAS_INLINE
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const_reverse_iterator rbegin () const {
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return const_reverse_iterator (end ());
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}
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BOOST_UBLAS_INLINE
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const_reverse_iterator crbegin () const {
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return rbegin ();
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}
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BOOST_UBLAS_INLINE
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const_reverse_iterator rend () const {
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return const_reverse_iterator (begin ());
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}
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BOOST_UBLAS_INLINE
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const_reverse_iterator crend () const {
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return rend ();
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}
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BOOST_UBLAS_INLINE
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reverse_iterator rbegin () {
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return reverse_iterator (end ());
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}
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BOOST_UBLAS_INLINE
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reverse_iterator rend () {
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return reverse_iterator (begin ());
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}
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// Allocator
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allocator_type get_allocator () {
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return alloc_;
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}
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private:
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friend class boost::serialization::access;
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// Serialization
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template<class Archive>
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void serialize(Archive & ar, const unsigned int /*version*/)
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{
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serialization::collection_size_type s(size_);
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ar & serialization::make_nvp("size",s);
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if ( Archive::is_loading::value ) {
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resize(s);
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}
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ar & serialization::make_array(data_, s);
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}
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private:
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// Handle explict destroy on a (possibly indexed) iterator
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BOOST_UBLAS_INLINE
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static void iterator_destroy (iterator &i) {
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(&(*i)) -> ~value_type ();
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}
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ALLOC alloc_;
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size_type size_;
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pointer data_;
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};
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// Bounded array - with allocator for size_type and difference_type
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template<class T, std::size_t N, class ALLOC>
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class bounded_array:
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public storage_array<bounded_array<T, N, ALLOC> > {
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typedef bounded_array<T, N, ALLOC> self_type;
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public:
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// No allocator_type as ALLOC is not used for allocation
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typedef typename ALLOC::size_type size_type;
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typedef typename ALLOC::difference_type difference_type;
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typedef T value_type;
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typedef const T &const_reference;
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typedef T &reference;
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typedef const T *const_pointer;
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typedef T *pointer;
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typedef const_pointer const_iterator;
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typedef pointer iterator;
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// Construction and destruction
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BOOST_UBLAS_INLINE
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bounded_array ():
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size_ (0) /*, data_ ()*/ { // size 0 - use bounded_vector to default construct with size N
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}
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explicit BOOST_UBLAS_INLINE
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bounded_array (size_type size):
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size_ (size) /*, data_ ()*/ {
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BOOST_UBLAS_CHECK (size_ <= N, bad_size ());
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// data_ (an array) elements are already default constructed
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}
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BOOST_UBLAS_INLINE
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bounded_array (size_type size, const value_type &init):
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size_ (size) /*, data_ ()*/ {
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BOOST_UBLAS_CHECK (size_ <= N, bad_size ());
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// ISSUE elements should be value constructed here, but we must fill instead as already default constructed
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std::fill (begin(), end(), init) ;
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}
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BOOST_UBLAS_INLINE
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bounded_array (const bounded_array &c):
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size_ (c.size_) {
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// ISSUE elements should be copy constructed here, but we must copy instead as already default constructed
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std::copy (c.begin(), c.end(), begin());
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}
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// Resizing
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BOOST_UBLAS_INLINE
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void resize (size_type size) {
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BOOST_UBLAS_CHECK (size <= N, bad_size ());
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size_ = size;
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}
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BOOST_UBLAS_INLINE
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void resize (size_type size, value_type init) {
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BOOST_UBLAS_CHECK (size <= N, bad_size ());
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if (size > size_)
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std::fill (data_ + size_, data_ + size, init);
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size_ = size;
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}
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// Random Access Container
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BOOST_UBLAS_INLINE
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size_type max_size () const {
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return N;
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}
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BOOST_UBLAS_INLINE
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bool empty () const {
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return size_ == 0;
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}
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BOOST_UBLAS_INLINE
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size_type size () const {
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return size_;
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}
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// Element access
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BOOST_UBLAS_INLINE
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const_reference operator [] (size_type i) const {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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return data_ [i];
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}
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BOOST_UBLAS_INLINE
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reference operator [] (size_type i) {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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return data_ [i];
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}
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// Assignment
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BOOST_UBLAS_INLINE
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bounded_array &operator = (const bounded_array &a) {
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if (this != &a) {
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resize (a.size_);
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std::copy (a.data_, a.data_ + a.size_, data_);
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}
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return *this;
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}
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BOOST_UBLAS_INLINE
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bounded_array &assign_temporary (bounded_array &a) {
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*this = a;
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return *this;
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}
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// Swapping
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BOOST_UBLAS_INLINE
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void swap (bounded_array &a) {
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if (this != &a) {
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std::swap (size_, a.size_);
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std::swap_ranges (data_, data_ + (std::max) (size_, a.size_), a.data_);
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}
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}
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BOOST_UBLAS_INLINE
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friend void swap (bounded_array &a1, bounded_array &a2) {
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a1.swap (a2);
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}
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BOOST_UBLAS_INLINE
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const_iterator begin () const {
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return data_;
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}
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BOOST_UBLAS_INLINE
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const_iterator cbegin () const {
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return begin ();
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}
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BOOST_UBLAS_INLINE
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const_iterator end () const {
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return data_ + size_;
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}
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BOOST_UBLAS_INLINE
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const_iterator cend () const {
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return end ();
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}
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BOOST_UBLAS_INLINE
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iterator begin () {
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return data_;
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}
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BOOST_UBLAS_INLINE
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iterator end () {
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return data_ + size_;
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}
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// Reverse iterators
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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BOOST_UBLAS_INLINE
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const_reverse_iterator rbegin () const {
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return const_reverse_iterator (end ());
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}
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BOOST_UBLAS_INLINE
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const_reverse_iterator crbegin () const {
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return rbegin ();
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}
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BOOST_UBLAS_INLINE
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const_reverse_iterator rend () const {
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return const_reverse_iterator (begin ());
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}
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BOOST_UBLAS_INLINE
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const_reverse_iterator crend () const {
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return rend ();
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}
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BOOST_UBLAS_INLINE
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reverse_iterator rbegin () {
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return reverse_iterator (end ());
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}
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BOOST_UBLAS_INLINE
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reverse_iterator rend () {
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return reverse_iterator (begin ());
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}
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private:
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// Serialization
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friend class boost::serialization::access;
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template<class Archive>
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void serialize(Archive & ar, const unsigned int /*version*/)
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{
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serialization::collection_size_type s(size_);
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ar & serialization::make_nvp("size", s);
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if ( Archive::is_loading::value ) {
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if (s > N) bad_size("too large size in bounded_array::load()\n").raise();
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resize(s);
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}
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ar & serialization::make_array(data_, s);
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}
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private:
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size_type size_;
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// MSVC does not like arrays of size 0 in base classes. Hence, this conditionally changes the size to 1
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#ifdef _MSC_VER
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BOOST_UBLAS_BOUNDED_ARRAY_ALIGN value_type data_ [(N>0)?N:1];
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#else
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BOOST_UBLAS_BOUNDED_ARRAY_ALIGN value_type data_ [N];
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#endif
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};
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// Array adaptor with normal deep copy semantics of elements
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template<class T>
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class array_adaptor:
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public storage_array<array_adaptor<T> > {
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typedef array_adaptor<T> self_type;
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public:
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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typedef T value_type;
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typedef const T &const_reference;
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typedef T &reference;
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typedef const T *const_pointer;
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typedef T *pointer;
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// Construction and destruction
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BOOST_UBLAS_INLINE
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array_adaptor ():
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size_ (0), own_ (true), data_ (new value_type [0]) {
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}
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explicit BOOST_UBLAS_INLINE
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array_adaptor (size_type size):
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size_ (size), own_ (true), data_ (new value_type [size]) {
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}
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BOOST_UBLAS_INLINE
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array_adaptor (size_type size, const value_type &init):
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size_ (size), own_ (true), data_ (new value_type [size]) {
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std::fill (data_, data_ + size_, init);
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}
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BOOST_UBLAS_INLINE
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array_adaptor (size_type size, pointer data):
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size_ (size), own_ (false), data_ (data) {}
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template <size_t N>
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BOOST_UBLAS_INLINE array_adaptor (T (&data)[N]):
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size_ (N), own_ (false), data_ (data) {}
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BOOST_UBLAS_INLINE
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array_adaptor (const array_adaptor &a):
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storage_array<self_type> (),
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size_ (a.size_), own_ (true), data_ (new value_type [a.size_]) {
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*this = a;
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}
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BOOST_UBLAS_INLINE
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~array_adaptor () {
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if (own_) {
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delete [] data_;
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}
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}
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// Resizing
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private:
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BOOST_UBLAS_INLINE
|
|
void resize_internal (size_type size, value_type init, bool preserve = true) {
|
|
if (size != size_) {
|
|
pointer data = new value_type [size];
|
|
if (preserve) {
|
|
std::copy (data_, data_ + (std::min) (size, size_), data);
|
|
std::fill (data + (std::min) (size, size_), data + size, init);
|
|
}
|
|
if (own_)
|
|
delete [] data_;
|
|
size_ = size;
|
|
own_ = true;
|
|
data_ = data;
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize_internal (size_type size, pointer data, value_type init, bool preserve = true) {
|
|
if (data != data_) {
|
|
if (preserve) {
|
|
std::copy (data_, data_ + (std::min) (size, size_), data);
|
|
std::fill (data + (std::min) (size, size_), data + size, init);
|
|
}
|
|
if (own_)
|
|
delete [] data_;
|
|
own_ = false;
|
|
data_ = data;
|
|
}
|
|
else {
|
|
std::fill (data + (std::min) (size, size_), data + size, init);
|
|
}
|
|
size_ = size;
|
|
}
|
|
public:
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size) {
|
|
resize_internal (size, value_type (), false);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size, value_type init) {
|
|
resize_internal (size, init, true);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size, pointer data) {
|
|
resize_internal (size, data, value_type (), false);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size, pointer data, value_type init) {
|
|
resize_internal (size, data, init, true);
|
|
}
|
|
|
|
template <size_t N>
|
|
BOOST_UBLAS_INLINE void resize (T (&data)[N]) {
|
|
resize_internal (N, data, value_type (), false);
|
|
}
|
|
|
|
template <size_t N>
|
|
BOOST_UBLAS_INLINE void resize (T (&data)[N], value_type init) {
|
|
resize_internal (N, data, init, true);
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type size () const {
|
|
return size_;
|
|
}
|
|
|
|
// Element access
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (size_type i) const {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return data_ [i];
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (size_type i) {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return data_ [i];
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
array_adaptor &operator = (const array_adaptor &a) {
|
|
if (this != &a) {
|
|
resize (a.size_);
|
|
std::copy (a.data_, a.data_ + a.size_, data_);
|
|
}
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
array_adaptor &assign_temporary (array_adaptor &a) {
|
|
if (own_ && a.own_)
|
|
swap (a);
|
|
else
|
|
*this = a;
|
|
return *this;
|
|
}
|
|
|
|
// Swapping
|
|
BOOST_UBLAS_INLINE
|
|
void swap (array_adaptor &a) {
|
|
if (this != &a) {
|
|
std::swap (size_, a.size_);
|
|
std::swap (own_, a.own_);
|
|
std::swap (data_, a.data_);
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend void swap (array_adaptor &a1, array_adaptor &a2) {
|
|
a1.swap (a2);
|
|
}
|
|
|
|
// Iterators simply are pointers.
|
|
|
|
typedef const_pointer const_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin () const {
|
|
return data_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end () const {
|
|
return data_ + size_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
typedef pointer iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator begin () {
|
|
return data_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator end () {
|
|
return data_ + size_;
|
|
}
|
|
|
|
// Reverse iterators
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rbegin () const {
|
|
return const_reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rend () const {
|
|
return const_reverse_iterator (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crend () const {
|
|
return rend ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator rbegin () {
|
|
return reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator rend () {
|
|
return reverse_iterator (begin ());
|
|
}
|
|
|
|
private:
|
|
size_type size_;
|
|
bool own_;
|
|
pointer data_;
|
|
};
|
|
|
|
#ifdef BOOST_UBLAS_SHALLOW_ARRAY_ADAPTOR
|
|
// Array adaptor with shallow (reference) copy semantics of elements.
|
|
// shared_array is used to maintain reference counts.
|
|
// This class breaks the normal copy semantics for a storage container and is very dangerous!
|
|
template<class T>
|
|
class shallow_array_adaptor:
|
|
public storage_array<shallow_array_adaptor<T> > {
|
|
|
|
typedef shallow_array_adaptor<T> self_type;
|
|
|
|
template<class TT>
|
|
struct leaker {
|
|
typedef void result_type;
|
|
typedef TT *argument_type;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
result_type operator () (argument_type /* x */) {}
|
|
};
|
|
|
|
public:
|
|
typedef std::size_t size_type;
|
|
typedef std::ptrdiff_t difference_type;
|
|
typedef T value_type;
|
|
typedef const T &const_reference;
|
|
typedef T &reference;
|
|
typedef const T *const_pointer;
|
|
typedef T *pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor ():
|
|
size_ (0), own_ (true), data_ (new value_type [0]) {
|
|
}
|
|
explicit BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor (size_type size):
|
|
size_ (size), own_ (true), data_ (new value_type [size]) {
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor (size_type size, const value_type &init):
|
|
size_ (size), own_ (true), data_ (new value_type [size]) {
|
|
std::fill (data_.get (), data_.get () + size_, init);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor (size_type size, pointer data):
|
|
size_ (size), own_ (false), data_ (data, leaker<value_type> ()) {}
|
|
template <size_t N>
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor (T (&data)[N]):
|
|
size_ (N), own_ (false), data_ (data, leaker<value_type> ()) {}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor (const shallow_array_adaptor &a):
|
|
storage_array<self_type> (),
|
|
size_ (a.size_), own_ (a.own_), data_ (a.data_) {}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
~shallow_array_adaptor () {
|
|
}
|
|
|
|
// Resizing
|
|
private:
|
|
BOOST_UBLAS_INLINE
|
|
void resize_internal (size_type size, value_type init, bool preserve = true) {
|
|
if (size != size_) {
|
|
shared_array<value_type> data (new value_type [size]);
|
|
if (preserve) {
|
|
std::copy (data_.get (), data_.get () + (std::min) (size, size_), data.get ());
|
|
std::fill (data.get () + (std::min) (size, size_), data.get () + size, init);
|
|
}
|
|
size_ = size;
|
|
own_ = true;
|
|
data_ = data;
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize_internal (size_type size, pointer data, value_type init, bool preserve = true) {
|
|
if (preserve) {
|
|
std::copy (data_.get (), data_.get () + (std::min) (size, size_), data);
|
|
std::fill (data + (std::min) (size, size_), data + size, init);
|
|
}
|
|
size_ = size;
|
|
own_ = false;
|
|
data_.reset(data, leaker<value_type> ());
|
|
}
|
|
public:
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size) {
|
|
resize_internal (size, value_type (), false);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size, value_type init) {
|
|
resize_internal (size, init, true);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size, pointer data) {
|
|
resize_internal (size, data, value_type (), false);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
void resize (size_type size, pointer data, value_type init) {
|
|
resize_internal (size, data, init, true);
|
|
}
|
|
template <size_t N>
|
|
BOOST_UBLAS_INLINE
|
|
void resize (T (&data)[N]) {
|
|
resize_internal (N, data, value_type (), false);
|
|
}
|
|
template <size_t N>
|
|
BOOST_UBLAS_INLINE
|
|
void resize (T (&data)[N], value_type init) {
|
|
resize_internal (N, data, init, true);
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type size () const {
|
|
return size_;
|
|
}
|
|
|
|
// Element access
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (size_type i) const {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return data_ [i];
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (size_type i) {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return data_ [i];
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor &operator = (const shallow_array_adaptor &a) {
|
|
if (this != &a) {
|
|
resize (a.size_);
|
|
std::copy (a.data_.get (), a.data_.get () + a.size_, data_.get ());
|
|
}
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
shallow_array_adaptor &assign_temporary (shallow_array_adaptor &a) {
|
|
if (own_ && a.own_)
|
|
swap (a);
|
|
else
|
|
*this = a;
|
|
return *this;
|
|
}
|
|
|
|
// Swapping
|
|
BOOST_UBLAS_INLINE
|
|
void swap (shallow_array_adaptor &a) {
|
|
if (this != &a) {
|
|
std::swap (size_, a.size_);
|
|
std::swap (own_, a.own_);
|
|
std::swap (data_, a.data_);
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend void swap (shallow_array_adaptor &a1, shallow_array_adaptor &a2) {
|
|
a1.swap (a2);
|
|
}
|
|
|
|
// Iterators simply are pointers.
|
|
|
|
typedef const_pointer const_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin () const {
|
|
return data_.get ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end () const {
|
|
return data_.get () + size_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
typedef pointer iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator begin () {
|
|
return data_.get ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator end () {
|
|
return data_.get () + size_;
|
|
}
|
|
|
|
// Reverse iterators
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rbegin () const {
|
|
return const_reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rend () const {
|
|
return const_reverse_iterator (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crend () const {
|
|
return rend ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator rbegin () {
|
|
return reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator rend () {
|
|
return reverse_iterator (begin ());
|
|
}
|
|
|
|
private:
|
|
size_type size_;
|
|
bool own_;
|
|
shared_array<value_type> data_;
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
// Range class
|
|
template <class Z, class D>
|
|
class basic_range {
|
|
typedef basic_range<Z, D> self_type;
|
|
public:
|
|
typedef Z size_type;
|
|
typedef D difference_type;
|
|
typedef size_type value_type;
|
|
typedef value_type const_reference;
|
|
typedef const_reference reference;
|
|
typedef const value_type *const_pointer;
|
|
typedef value_type *pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
basic_range ():
|
|
start_ (0), size_ (0) {}
|
|
BOOST_UBLAS_INLINE
|
|
basic_range (size_type start, size_type stop):
|
|
start_ (start), size_ (stop - start) {
|
|
BOOST_UBLAS_CHECK (start_ <= stop, bad_index ());
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type start () const {
|
|
return start_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type size () const {
|
|
return size_;
|
|
}
|
|
|
|
// Random Access Container
|
|
BOOST_UBLAS_INLINE
|
|
size_type max_size () const {
|
|
return size_;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
bool empty () const {
|
|
return size_ == 0;
|
|
}
|
|
|
|
// Element access
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator () (size_type i) const {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return start_ + i;
|
|
}
|
|
|
|
// Composition
|
|
BOOST_UBLAS_INLINE
|
|
basic_range compose (const basic_range &r) const {
|
|
return basic_range (start_ + r.start_, start_ + r.start_ + r.size_);
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const basic_range &r) const {
|
|
return start_ == r.start_ && size_ == r.size_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator != (const basic_range &r) const {
|
|
return ! (*this == r);
|
|
}
|
|
|
|
// Iterator types
|
|
private:
|
|
// Use and index
|
|
typedef size_type const_subiterator_type;
|
|
|
|
public:
|
|
#ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
typedef indexed_const_iterator<self_type, std::random_access_iterator_tag> const_iterator;
|
|
#else
|
|
class const_iterator:
|
|
public container_const_reference<basic_range>,
|
|
public random_access_iterator_base<std::random_access_iterator_tag,
|
|
const_iterator, value_type> {
|
|
public:
|
|
typedef typename basic_range::value_type value_type;
|
|
typedef typename basic_range::difference_type difference_type;
|
|
typedef typename basic_range::const_reference reference;
|
|
typedef typename basic_range::const_pointer pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator ():
|
|
container_const_reference<basic_range> (), it_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator (const basic_range &r, const const_subiterator_type &it):
|
|
container_const_reference<basic_range> (r), it_ (it) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator ++ () {
|
|
++ it_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator -- () {
|
|
BOOST_UBLAS_CHECK (it_ > 0, bad_index ());
|
|
-- it_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator += (difference_type n) {
|
|
BOOST_UBLAS_CHECK (n >= 0 || it_ >= size_type(-n), bad_index ());
|
|
it_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator -= (difference_type n) {
|
|
BOOST_UBLAS_CHECK (n <= 0 || it_ >= size_type(n), bad_index ());
|
|
it_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const const_iterator &it) const {
|
|
return it_ - it.it_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator * () const {
|
|
BOOST_UBLAS_CHECK ((*this) ().start () <= it_, bad_index ());
|
|
BOOST_UBLAS_CHECK (it_ < (*this) ().start () + (*this) ().size (), bad_index ());
|
|
return it_;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
// Index
|
|
BOOST_UBLAS_INLINE
|
|
size_type index () const {
|
|
BOOST_UBLAS_CHECK ((*this) ().start () <= it_, bad_index ());
|
|
BOOST_UBLAS_CHECK (it_ < (*this) ().start () + (*this) ().size (), bad_index ());
|
|
return it_ - (*this) ().start ();
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator = (const const_iterator &it) {
|
|
// Comeau recommends...
|
|
this->assign (&it ());
|
|
it_ = it.it_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const const_iterator &it) const {
|
|
BOOST_UBLAS_CHECK ((*this) () == it (), external_logic ());
|
|
return it_ == it.it_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const const_iterator &it) const {
|
|
BOOST_UBLAS_CHECK ((*this) () == it (), external_logic ());
|
|
return it_ < it.it_;
|
|
}
|
|
|
|
private:
|
|
const_subiterator_type it_;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin () const {
|
|
return const_iterator (*this, start_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end () const {
|
|
return const_iterator (*this, start_ + size_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
// Reverse iterator
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rbegin () const {
|
|
return const_reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rend () const {
|
|
return const_reverse_iterator (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crend () const {
|
|
return rend ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
basic_range preprocess (size_type size) const {
|
|
if (this != &all_)
|
|
return *this;
|
|
return basic_range (0, size);
|
|
}
|
|
static
|
|
BOOST_UBLAS_INLINE
|
|
const basic_range &all () {
|
|
return all_;
|
|
}
|
|
|
|
private:
|
|
size_type start_;
|
|
size_type size_;
|
|
static const basic_range all_;
|
|
};
|
|
|
|
template <class Z, class D>
|
|
const basic_range<Z,D> basic_range<Z,D>::all_ (0, size_type (-1));
|
|
|
|
|
|
// Slice class
|
|
template <class Z, class D>
|
|
class basic_slice {
|
|
typedef basic_slice<Z, D> self_type;
|
|
public:
|
|
typedef Z size_type;
|
|
typedef D difference_type;
|
|
typedef size_type value_type;
|
|
typedef value_type const_reference;
|
|
typedef const_reference reference;
|
|
typedef const value_type *const_pointer;
|
|
typedef value_type *pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
basic_slice ():
|
|
start_ (0), stride_ (0), size_ (0) {}
|
|
BOOST_UBLAS_INLINE
|
|
basic_slice (size_type start, difference_type stride, size_type size):
|
|
start_ (start), stride_ (stride), size_ (size) {}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type start () const {
|
|
return start_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type stride () const {
|
|
return stride_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type size () const {
|
|
return size_;
|
|
}
|
|
|
|
// Random Access Container
|
|
BOOST_UBLAS_INLINE
|
|
size_type max_size () const {
|
|
return size_;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
bool empty () const {
|
|
return size_ == 0;
|
|
}
|
|
|
|
// Element access
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator () (size_type i) const {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
BOOST_UBLAS_CHECK (stride_ >= 0 || start_ >= i * -stride_, bad_index ());
|
|
return start_ + i * stride_;
|
|
}
|
|
|
|
// Composition
|
|
BOOST_UBLAS_INLINE
|
|
basic_slice compose (const basic_range<size_type, difference_type> &r) const {
|
|
BOOST_UBLAS_CHECK (stride_ >=0 || start_ >= -stride_ * r.start(), bad_index ());
|
|
return basic_slice (start_ + stride_ * r.start (), stride_, r.size ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
basic_slice compose (const basic_slice &s) const {
|
|
BOOST_UBLAS_CHECK (stride_ >=0 || start_ >= -stride_ * s.start_, bad_index ());
|
|
return basic_slice (start_ + stride_ * s.start_, stride_ * s.stride_, s.size_);
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const basic_slice &s) const {
|
|
return start_ == s.start_ && stride_ == s.stride_ && size_ == s.size_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator != (const basic_slice &s) const {
|
|
return ! (*this == s);
|
|
}
|
|
|
|
// Iterator types
|
|
private:
|
|
// Use and index
|
|
typedef size_type const_subiterator_type;
|
|
|
|
public:
|
|
#ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
typedef indexed_const_iterator<self_type, std::random_access_iterator_tag> const_iterator;
|
|
#else
|
|
class const_iterator:
|
|
public container_const_reference<basic_slice>,
|
|
public random_access_iterator_base<std::random_access_iterator_tag,
|
|
const_iterator, value_type> {
|
|
public:
|
|
typedef typename basic_slice::value_type value_type;
|
|
typedef typename basic_slice::difference_type difference_type;
|
|
typedef typename basic_slice::const_reference reference;
|
|
typedef typename basic_slice::const_pointer pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator ():
|
|
container_const_reference<basic_slice> (), it_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator (const basic_slice &s, const const_subiterator_type &it):
|
|
container_const_reference<basic_slice> (s), it_ (it) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator ++ () {
|
|
++it_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator -- () {
|
|
BOOST_UBLAS_CHECK (it_ > 0, bad_index ());
|
|
--it_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator += (difference_type n) {
|
|
BOOST_UBLAS_CHECK (n >= 0 || it_ >= size_type(-n), bad_index ());
|
|
it_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator -= (difference_type n) {
|
|
BOOST_UBLAS_CHECK (n <= 0 || it_ >= size_type(n), bad_index ());
|
|
it_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const const_iterator &it) const {
|
|
return it_ - it.it_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator * () const {
|
|
BOOST_UBLAS_CHECK (it_ < (*this) ().size (), bad_index ());
|
|
return (*this) ().start () + it_* (*this) ().stride ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
// Index
|
|
BOOST_UBLAS_INLINE
|
|
size_type index () const {
|
|
BOOST_UBLAS_CHECK (it_ < (*this) ().size (), bad_index ());
|
|
return it_;
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator = (const const_iterator &it) {
|
|
// Comeau recommends...
|
|
this->assign (&it ());
|
|
it_ = it.it_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const const_iterator &it) const {
|
|
BOOST_UBLAS_CHECK ((*this) () == it (), external_logic ());
|
|
return it_ == it.it_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const const_iterator &it) const {
|
|
BOOST_UBLAS_CHECK ((*this) () == it (), external_logic ());
|
|
return it_ < it.it_;
|
|
}
|
|
|
|
private:
|
|
const_subiterator_type it_;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin () const {
|
|
return const_iterator (*this, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end () const {
|
|
return const_iterator (*this, size_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
// Reverse iterator
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rbegin () const {
|
|
return const_reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rend () const {
|
|
return const_reverse_iterator (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crend () const {
|
|
return rend ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
basic_slice preprocess (size_type size) const {
|
|
if (this != &all_)
|
|
return *this;
|
|
return basic_slice (0, 1, size);
|
|
}
|
|
static
|
|
BOOST_UBLAS_INLINE
|
|
const basic_slice &all () {
|
|
return all_;
|
|
}
|
|
|
|
private:
|
|
size_type start_;
|
|
difference_type stride_;
|
|
size_type size_;
|
|
static const basic_slice all_;
|
|
};
|
|
|
|
template <class Z, class D>
|
|
const basic_slice<Z,D> basic_slice<Z,D>::all_ (0, 1, size_type (-1));
|
|
|
|
|
|
// Indirect array class
|
|
template<class A>
|
|
class indirect_array {
|
|
typedef indirect_array<A> self_type;
|
|
public:
|
|
typedef A array_type;
|
|
typedef const A const_array_type;
|
|
typedef typename A::size_type size_type;
|
|
typedef typename A::difference_type difference_type;
|
|
typedef typename A::value_type value_type;
|
|
typedef typename A::const_reference const_reference;
|
|
typedef typename A::reference reference;
|
|
typedef typename A::const_pointer const_pointer;
|
|
typedef typename A::pointer pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array ():
|
|
size_ (), data_ () {}
|
|
explicit BOOST_UBLAS_INLINE
|
|
indirect_array (size_type size):
|
|
size_ (size), data_ (size) {}
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array (size_type size, const array_type &data):
|
|
size_ (size), data_ (data) {}
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array (pointer start, pointer stop):
|
|
size_ (stop - start), data_ (stop - start) {
|
|
std::copy (start, stop, data_.begin ());
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type size () const {
|
|
return size_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_array_type data () const {
|
|
return data_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
array_type data () {
|
|
return data_;
|
|
}
|
|
|
|
// Random Access Container
|
|
BOOST_UBLAS_INLINE
|
|
size_type max_size () const {
|
|
return size_;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
bool empty () const {
|
|
return data_.size () == 0;
|
|
}
|
|
|
|
// Element access
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator () (size_type i) const {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return data_ [i];
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator () (size_type i) {
|
|
BOOST_UBLAS_CHECK (i < size_, bad_index ());
|
|
return data_ [i];
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (size_type i) const {
|
|
return (*this) (i);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (size_type i) {
|
|
return (*this) (i);
|
|
}
|
|
|
|
// Composition
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array compose (const basic_range<size_type, difference_type> &r) const {
|
|
BOOST_UBLAS_CHECK (r.start () + r.size () <= size_, bad_size ());
|
|
array_type data (r.size ());
|
|
for (size_type i = 0; i < r.size (); ++ i)
|
|
data [i] = data_ [r.start () + i];
|
|
return indirect_array (r.size (), data);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array compose (const basic_slice<size_type, difference_type> &s) const {
|
|
BOOST_UBLAS_CHECK (s.start () + s.stride () * (s.size () - (s.size () > 0)) <= size (), bad_size ());
|
|
array_type data (s.size ());
|
|
for (size_type i = 0; i < s.size (); ++ i)
|
|
data [i] = data_ [s.start () + s.stride () * i];
|
|
return indirect_array (s.size (), data);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array compose (const indirect_array &ia) const {
|
|
array_type data (ia.size_);
|
|
for (size_type i = 0; i < ia.size_; ++ i) {
|
|
BOOST_UBLAS_CHECK (ia.data_ [i] <= size_, bad_size ());
|
|
data [i] = data_ [ia.data_ [i]];
|
|
}
|
|
return indirect_array (ia.size_, data);
|
|
}
|
|
|
|
// Comparison
|
|
template<class OA>
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const indirect_array<OA> &ia) const {
|
|
if (size_ != ia.size_)
|
|
return false;
|
|
for (size_type i = 0; i < BOOST_UBLAS_SAME (size_, ia.size_); ++ i)
|
|
if (data_ [i] != ia.data_ [i])
|
|
return false;
|
|
return true;
|
|
}
|
|
template<class OA>
|
|
BOOST_UBLAS_INLINE
|
|
bool operator != (const indirect_array<OA> &ia) const {
|
|
return ! (*this == ia);
|
|
}
|
|
|
|
// Iterator types
|
|
private:
|
|
// Use a index difference
|
|
typedef difference_type const_subiterator_type;
|
|
|
|
public:
|
|
#ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
typedef indexed_const_iterator<indirect_array, std::random_access_iterator_tag> const_iterator;
|
|
#else
|
|
class const_iterator:
|
|
public container_const_reference<indirect_array>,
|
|
public random_access_iterator_base<std::random_access_iterator_tag,
|
|
const_iterator, value_type> {
|
|
public:
|
|
typedef typename indirect_array::value_type value_type;
|
|
typedef typename indirect_array::difference_type difference_type;
|
|
typedef typename indirect_array::const_reference reference;
|
|
typedef typename indirect_array::const_pointer pointer;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator ():
|
|
container_const_reference<indirect_array> (), it_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator (const indirect_array &ia, const const_subiterator_type &it):
|
|
container_const_reference<indirect_array> (ia), it_ (it) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator ++ () {
|
|
++ it_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator -- () {
|
|
-- it_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator += (difference_type n) {
|
|
it_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator -= (difference_type n) {
|
|
it_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const const_iterator &it) const {
|
|
return it_ - it.it_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator * () const {
|
|
return (*this) () (it_);
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
// Index
|
|
BOOST_UBLAS_INLINE
|
|
size_type index () const {
|
|
return it_;
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator &operator = (const const_iterator &it) {
|
|
// Comeau recommends...
|
|
this->assign (&it ());
|
|
it_ = it.it_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const const_iterator &it) const {
|
|
BOOST_UBLAS_CHECK ((*this) () == it (), external_logic ());
|
|
return it_ == it.it_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const const_iterator &it) const {
|
|
BOOST_UBLAS_CHECK ((*this) () == it (), external_logic ());
|
|
return it_ < it.it_;
|
|
}
|
|
|
|
private:
|
|
const_subiterator_type it_;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin () const {
|
|
return const_iterator (*this, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end () const {
|
|
return const_iterator (*this, size_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
// Reverse iterator
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rbegin () const {
|
|
return const_reverse_iterator (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator rend () const {
|
|
return const_reverse_iterator (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator crend () const {
|
|
return rend ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
indirect_array preprocess (size_type size) const {
|
|
if (this != &all_)
|
|
return *this;
|
|
indirect_array ia (size);
|
|
for (size_type i = 0; i < size; ++ i)
|
|
ia (i) = i;
|
|
return ia;
|
|
}
|
|
static
|
|
BOOST_UBLAS_INLINE
|
|
const indirect_array &all () {
|
|
return all_;
|
|
}
|
|
|
|
private:
|
|
size_type size_;
|
|
array_type data_;
|
|
static const indirect_array all_;
|
|
};
|
|
|
|
template<class A>
|
|
const indirect_array<A> indirect_array<A>::all_;
|
|
|
|
|
|
|
|
// Gunter Winkler contributed the classes index_pair, index_pair_array,
|
|
// index_triple and index_triple_array to enable inplace sort of parallel arrays.
|
|
|
|
template <class V>
|
|
class index_pair :
|
|
public container_reference<V> {
|
|
|
|
typedef index_pair<V> self_type;
|
|
public:
|
|
typedef typename V::size_type size_type;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
index_pair(V& v, size_type i) :
|
|
container_reference<V>(v), i_(i),
|
|
v1_(v.data1_[i]), v2_(v.data2_[i]),
|
|
dirty_(false), is_copy_(false) {}
|
|
BOOST_UBLAS_INLINE
|
|
index_pair(const self_type& rhs) :
|
|
container_reference<V>(rhs()), i_(0),
|
|
v1_(rhs.v1_), v2_(rhs.v2_),
|
|
dirty_(false), is_copy_(true) {}
|
|
BOOST_UBLAS_INLINE
|
|
~index_pair() {
|
|
if (dirty_ && (!is_copy_) ) {
|
|
(*this)().data1_[i_] = v1_;
|
|
(*this)().data2_[i_] = v2_;
|
|
}
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
self_type& operator=(const self_type& rhs) {
|
|
v1_ = rhs.v1_;
|
|
v2_ = rhs.v2_;
|
|
dirty_ = true;
|
|
return *this;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
void swap(self_type& rhs) {
|
|
self_type tmp(rhs);
|
|
rhs = *this;
|
|
*this = tmp;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
friend void swap(self_type& lhs, self_type& rhs) {
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
friend void swap(self_type lhs, self_type rhs) { // For gcc 4.8 and c++11
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
|
|
BOOST_UBLAS_INLINE
|
|
bool equal(const self_type& rhs) const {
|
|
return (v1_ == rhs.v1_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool less(const self_type& rhs) const {
|
|
return (v1_ < rhs.v1_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator == (const self_type& lhs, const self_type& rhs) {
|
|
return lhs.equal(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator != (const self_type& lhs, const self_type& rhs) {
|
|
return !lhs.equal(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator < (const self_type& lhs, const self_type& rhs) {
|
|
return lhs.less(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator >= (const self_type& lhs, const self_type& rhs) {
|
|
return !lhs.less(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator > (const self_type& lhs, const self_type& rhs) {
|
|
return rhs.less(lhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator <= (const self_type& lhs, const self_type& rhs) {
|
|
return !rhs.less(lhs);
|
|
}
|
|
|
|
private:
|
|
size_type i_;
|
|
typename V::value1_type v1_;
|
|
typename V::value2_type v2_;
|
|
bool dirty_;
|
|
bool is_copy_;
|
|
};
|
|
|
|
template <class V1, class V2>
|
|
class index_pair_array:
|
|
private boost::noncopyable {
|
|
|
|
typedef index_pair_array<V1, V2> self_type;
|
|
public:
|
|
typedef typename V1::value_type value1_type;
|
|
typedef typename V2::value_type value2_type;
|
|
|
|
typedef typename V1::size_type size_type;
|
|
typedef typename V1::difference_type difference_type;
|
|
typedef index_pair<self_type> value_type;
|
|
// There is nothing that can be referenced directly. Always return a copy of the index_pair
|
|
typedef value_type reference;
|
|
typedef const value_type const_reference;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
index_pair_array(size_type size, V1& data1, V2& data2) :
|
|
size_(size),data1_(data1),data2_(data2) {}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type size() const {
|
|
return size_;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator () (size_type i) const {
|
|
return value_type((*this), i);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator () (size_type i) {
|
|
return value_type((*this), i);
|
|
}
|
|
|
|
typedef indexed_iterator<self_type, std::random_access_iterator_tag> iterator;
|
|
typedef indexed_const_iterator<self_type, std::random_access_iterator_tag> const_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator begin() {
|
|
return iterator( (*this), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator end() {
|
|
return iterator( (*this), size());
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin() const {
|
|
return const_iterator( (*this), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end() const {
|
|
return const_iterator( (*this), size());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
// unnecessary function:
|
|
BOOST_UBLAS_INLINE
|
|
bool equal(size_type i1, size_type i2) const {
|
|
return data1_[i1] == data1_[i2];
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool less(size_type i1, size_type i2) const {
|
|
return data1_[i1] < data1_[i2];
|
|
}
|
|
|
|
// gives a large speedup
|
|
BOOST_UBLAS_INLINE
|
|
friend void iter_swap(const iterator& lhs, const iterator& rhs) {
|
|
const size_type i1 = lhs.index();
|
|
const size_type i2 = rhs.index();
|
|
std::swap(lhs().data1_[i1], rhs().data1_[i2]);
|
|
std::swap(lhs().data2_[i1], rhs().data2_[i2]);
|
|
}
|
|
|
|
private:
|
|
size_type size_;
|
|
V1& data1_;
|
|
V2& data2_;
|
|
|
|
// friend class value_type;
|
|
friend class index_pair<self_type>;
|
|
};
|
|
|
|
template <class M>
|
|
class index_triple :
|
|
public container_reference<M> {
|
|
|
|
typedef index_triple<M> self_type;
|
|
public:
|
|
typedef typename M::size_type size_type;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
index_triple(M& m, size_type i) :
|
|
container_reference<M>(m), i_(i),
|
|
v1_(m.data1_[i]), v2_(m.data2_[i]), v3_(m.data3_[i]),
|
|
dirty_(false), is_copy_(false) {}
|
|
BOOST_UBLAS_INLINE
|
|
index_triple(const self_type& rhs) :
|
|
container_reference<M>(rhs()), i_(0),
|
|
v1_(rhs.v1_), v2_(rhs.v2_), v3_(rhs.v3_),
|
|
dirty_(false), is_copy_(true) {}
|
|
BOOST_UBLAS_INLINE
|
|
~index_triple() {
|
|
if (dirty_ && (!is_copy_) ) {
|
|
(*this)().data1_[i_] = v1_;
|
|
(*this)().data2_[i_] = v2_;
|
|
(*this)().data3_[i_] = v3_;
|
|
}
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
self_type& operator=(const self_type& rhs) {
|
|
v1_ = rhs.v1_;
|
|
v2_ = rhs.v2_;
|
|
v3_ = rhs.v3_;
|
|
dirty_ = true;
|
|
return *this;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
void swap(self_type& rhs) {
|
|
self_type tmp(rhs);
|
|
rhs = *this;
|
|
*this = tmp;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
friend void swap(self_type& lhs, self_type& rhs) {
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
friend void swap(self_type lhs, self_type rhs) { // For gcc 4.8 and c++11
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
bool equal(const self_type& rhs) const {
|
|
return ((v1_ == rhs.v1_) && (v2_ == rhs.v2_));
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool less(const self_type& rhs) const {
|
|
return ((v1_ < rhs.v1_) ||
|
|
(v1_ == rhs.v1_ && v2_ < rhs.v2_));
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator == (const self_type& lhs, const self_type& rhs) {
|
|
return lhs.equal(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator != (const self_type& lhs, const self_type& rhs) {
|
|
return !lhs.equal(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator < (const self_type& lhs, const self_type& rhs) {
|
|
return lhs.less(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator >= (const self_type& lhs, const self_type& rhs) {
|
|
return !lhs.less(rhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator > (const self_type& lhs, const self_type& rhs) {
|
|
return rhs.less(lhs);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend bool operator <= (const self_type& lhs, const self_type& rhs) {
|
|
return !rhs.less(lhs);
|
|
}
|
|
|
|
private:
|
|
size_type i_;
|
|
typename M::value1_type v1_;
|
|
typename M::value2_type v2_;
|
|
typename M::value3_type v3_;
|
|
bool dirty_;
|
|
bool is_copy_;
|
|
};
|
|
|
|
template <class V1, class V2, class V3>
|
|
class index_triple_array:
|
|
private boost::noncopyable {
|
|
|
|
typedef index_triple_array<V1, V2, V3> self_type;
|
|
public:
|
|
typedef typename V1::value_type value1_type;
|
|
typedef typename V2::value_type value2_type;
|
|
typedef typename V3::value_type value3_type;
|
|
|
|
typedef typename V1::size_type size_type;
|
|
typedef typename V1::difference_type difference_type;
|
|
typedef index_triple<self_type> value_type;
|
|
// There is nothing that can be referenced directly. Always return a copy of the index_triple
|
|
typedef value_type reference;
|
|
typedef const value_type const_reference;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
index_triple_array(size_type size, V1& data1, V2& data2, V3& data3) :
|
|
size_(size),data1_(data1),data2_(data2),data3_(data3) {}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
size_type size() const {
|
|
return size_;
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator () (size_type i) const {
|
|
return value_type((*this), i);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator () (size_type i) {
|
|
return value_type((*this), i);
|
|
}
|
|
|
|
typedef indexed_iterator<self_type, std::random_access_iterator_tag> iterator;
|
|
typedef indexed_const_iterator<self_type, std::random_access_iterator_tag> const_iterator;
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator begin() {
|
|
return iterator( (*this), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator end() {
|
|
return iterator( (*this), size());
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator begin() const {
|
|
return const_iterator( (*this), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator end() const {
|
|
return const_iterator( (*this), size());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator cend () const {
|
|
return end ();
|
|
}
|
|
|
|
// unnecessary function:
|
|
BOOST_UBLAS_INLINE
|
|
bool equal(size_type i1, size_type i2) const {
|
|
return ((data1_[i1] == data1_[i2]) && (data2_[i1] == data2_[i2]));
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool less(size_type i1, size_type i2) const {
|
|
return ((data1_[i1] < data1_[i2]) ||
|
|
(data1_[i1] == data1_[i2] && data2_[i1] < data2_[i2]));
|
|
}
|
|
|
|
// gives a large speedup
|
|
BOOST_UBLAS_INLINE
|
|
friend void iter_swap(const iterator& lhs, const iterator& rhs) {
|
|
const size_type i1 = lhs.index();
|
|
const size_type i2 = rhs.index();
|
|
std::swap(lhs().data1_[i1], rhs().data1_[i2]);
|
|
std::swap(lhs().data2_[i1], rhs().data2_[i2]);
|
|
std::swap(lhs().data3_[i1], rhs().data3_[i2]);
|
|
}
|
|
|
|
private:
|
|
size_type size_;
|
|
V1& data1_;
|
|
V2& data2_;
|
|
V3& data3_;
|
|
|
|
// friend class value_type;
|
|
friend class index_triple<self_type>;
|
|
};
|
|
|
|
}}}
|
|
|
|
#endif
|