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			580 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | // | ||
|  | //  Copyright (c) 2000-2002 | ||
|  | //  Joerg Walter, Mathias Koch | ||
|  | // | ||
|  | //  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) | ||
|  | // | ||
|  | //  The authors gratefully acknowledge the support of | ||
|  | //  GeNeSys mbH & Co. KG in producing this work. | ||
|  | // | ||
|  | 
 | ||
|  | #ifndef _BOOST_UBLAS_STORAGE_SPARSE_ | ||
|  | #define _BOOST_UBLAS_STORAGE_SPARSE_ | ||
|  | 
 | ||
|  | #include <map> | ||
|  | #include <boost/serialization/collection_size_type.hpp> | ||
|  | #include <boost/serialization/nvp.hpp> | ||
|  | #include <boost/serialization/array.hpp> | ||
|  | #include <boost/serialization/map.hpp> | ||
|  | #include <boost/serialization/base_object.hpp> | ||
|  | 
 | ||
|  | #include <boost/numeric/ublas/storage.hpp> | ||
|  | 
 | ||
|  | 
 | ||
|  | namespace boost { namespace numeric { namespace ublas { | ||
|  | 
 | ||
|  |     namespace detail { | ||
|  | 
 | ||
|  |         template<class I, class T, class C> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         I lower_bound (const I &begin, const I &end, const T &t, C compare) { | ||
|  |             // t <= *begin <=> ! (*begin < t) | ||
|  |             if (begin == end || ! compare (*begin, t)) | ||
|  |                 return begin; | ||
|  |             if (compare (*(end - 1), t)) | ||
|  |                 return end; | ||
|  |             return std::lower_bound (begin, end, t, compare); | ||
|  |         } | ||
|  |         template<class I, class T, class C> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         I upper_bound (const I &begin, const I &end, const T &t, C compare) { | ||
|  |             if (begin == end || compare (t, *begin)) | ||
|  |                 return begin; | ||
|  |             // (*end - 1) <= t <=> ! (t < *end) | ||
|  |             if (! compare (t, *(end - 1))) | ||
|  |                 return end; | ||
|  |             return std::upper_bound (begin, end, t, compare); | ||
|  |         } | ||
|  | 
 | ||
|  |         template<class P> | ||
|  |         struct less_pair { | ||
|  |             BOOST_UBLAS_INLINE | ||
|  |             bool operator () (const P &p1, const P &p2) { | ||
|  |                 return p1.first < p2.first; | ||
|  |             } | ||
|  |         }; | ||
|  |         template<class T> | ||
|  |         struct less_triple { | ||
|  |             BOOST_UBLAS_INLINE | ||
|  |             bool operator () (const T &t1, const T &t2) { | ||
|  |                 return t1.first.first < t2.first.first || | ||
|  |                        (t1.first.first == t2.first.first && t1.first.second < t2.first.second); | ||
|  |             } | ||
|  |         }; | ||
|  | 
 | ||
|  |     } | ||
|  | 
 | ||
|  | #ifdef BOOST_UBLAS_STRICT_MAP_ARRAY | ||
|  |     template<class A> | ||
|  |     class sparse_storage_element: | ||
|  |        public container_reference<A> { | ||
|  |     public: | ||
|  |         typedef A array_type; | ||
|  |         typedef typename A::key_type index_type; | ||
|  |         typedef typename A::mapped_type data_value_type; | ||
|  |         // typedef const data_value_type &data_const_reference; | ||
|  |         typedef typename type_traits<data_value_type>::const_reference data_const_reference; | ||
|  |         typedef data_value_type &data_reference; | ||
|  |         typedef typename A::value_type value_type; | ||
|  |         typedef value_type *pointer; | ||
|  | 
 | ||
|  |         // Construction and destruction | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element (array_type &a, pointer it): | ||
|  |             container_reference<array_type> (a), it_ (it), i_ (it->first), d_ (it->second), dirty_ (false) {} | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element (array_type &a, index_type i): | ||
|  |             container_reference<array_type> (a), it_ (), i_ (i), d_ (), dirty_ (false) { | ||
|  |             pointer it = (*this) ().find (i_); | ||
|  |             if (it == (*this) ().end ()) | ||
|  |                 it = (*this) ().insert ((*this) ().end (), value_type (i_, d_)); | ||
|  |             d_ = it->second; | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         ~sparse_storage_element () { | ||
|  |             if (dirty_) { | ||
|  |                 if (! it_) | ||
|  |                     it_ = (*this) ().find (i_); | ||
|  |                 BOOST_UBLAS_CHECK (it_ != (*this) ().end (), internal_logic ()); | ||
|  |                 it_->second = d_; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         // Element access - only if data_const_reference is defined | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         typename data_value_type::data_const_reference | ||
|  |         operator [] (index_type i) const { | ||
|  |             return d_ [i]; | ||
|  |         } | ||
|  | 
 | ||
|  |         // Assignment | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element &operator = (const sparse_storage_element &p) { | ||
|  |             // Overide the implict copy assignment | ||
|  |             d_ = p.d_; | ||
|  |             dirty_ = true; | ||
|  |             return *this; | ||
|  |         } | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element &operator = (const D &d) { | ||
|  |             d_ = d; | ||
|  |             dirty_ = true; | ||
|  |             return *this; | ||
|  |         } | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element &operator += (const D &d) { | ||
|  |             d_ += d; | ||
|  |             dirty_ = true; | ||
|  |             return *this; | ||
|  |         } | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element &operator -= (const D &d) { | ||
|  |             d_ -= d; | ||
|  |             dirty_ = true; | ||
|  |             return *this; | ||
|  |         } | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element &operator *= (const D &d) { | ||
|  |             d_ *= d; | ||
|  |             dirty_ = true; | ||
|  |             return *this; | ||
|  |         } | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         sparse_storage_element &operator /= (const D &d) { | ||
|  |             d_ /= d; | ||
|  |             dirty_ = true; | ||
|  |             return *this; | ||
|  |         } | ||
|  | 
 | ||
|  |         // Comparison | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         bool operator == (const D &d) const { | ||
|  |             return d_ == d; | ||
|  |         } | ||
|  |         template<class D> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         bool operator != (const D &d) const { | ||
|  |             return d_ != d; | ||
|  |         } | ||
|  | 
 | ||
|  |         // Conversion | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         operator data_const_reference () const { | ||
|  |             return d_; | ||
|  |         } | ||
|  | 
 | ||
|  |         // Swapping | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         void swap (sparse_storage_element p) { | ||
|  |             if (this != &p) { | ||
|  |                 dirty_ = true; | ||
|  |                 p.dirty_ = true; | ||
|  |                 std::swap (d_, p.d_); | ||
|  |             } | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         friend void swap (sparse_storage_element p1, sparse_storage_element p2) { | ||
|  |             p1.swap (p2); | ||
|  |         } | ||
|  | 
 | ||
|  |     private: | ||
|  |         pointer it_; | ||
|  |         index_type i_; | ||
|  |         data_value_type d_; | ||
|  |         bool dirty_; | ||
|  |     }; | ||
|  | #endif | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Default map type is simply forwarded to std::map | ||
|  |     // FIXME should use ALLOC for map but std::allocator of std::pair<const I, T> and std::pair<I,T> fail to compile | ||
|  |     template<class I, class T, class ALLOC> | ||
|  |     class map_std : public std::map<I, T /*, ALLOC */> { | ||
|  |     public: | ||
|  |          // Serialization | ||
|  |         template<class Archive> | ||
|  |         void serialize(Archive & ar, const unsigned int /* file_version */){ | ||
|  |             ar & serialization::make_nvp("base", boost::serialization::base_object< std::map<I, T /*, ALLOC */> >(*this)); | ||
|  |         } | ||
|  |     }; | ||
|  | 
 | ||
|  |      | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Map array | ||
|  |     //  Implementation requires pair<I, T> allocator definition (without const) | ||
|  |     template<class I, class T, class ALLOC> | ||
|  |     class map_array { | ||
|  |     public: | ||
|  |         typedef ALLOC allocator_type; | ||
|  |         typedef typename ALLOC::size_type size_type; | ||
|  |         typedef typename ALLOC::difference_type difference_type; | ||
|  |         typedef std::pair<I,T> value_type; | ||
|  |         typedef I key_type; | ||
|  |         typedef T mapped_type; | ||
|  |         typedef const value_type &const_reference; | ||
|  |         typedef value_type &reference; | ||
|  |         typedef const value_type *const_pointer; | ||
|  |         typedef value_type *pointer; | ||
|  |         // Iterators simply are pointers. | ||
|  |         typedef const_pointer const_iterator; | ||
|  |         typedef pointer iterator; | ||
|  | 
 | ||
|  |         typedef const T &data_const_reference; | ||
|  | #ifndef BOOST_UBLAS_STRICT_MAP_ARRAY | ||
|  |         typedef T &data_reference; | ||
|  | #else | ||
|  |         typedef sparse_storage_element<map_array> data_reference; | ||
|  | #endif | ||
|  | 
 | ||
|  |         // Construction and destruction | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         map_array (const ALLOC &a = ALLOC()): | ||
|  |             alloc_(a), capacity_ (0), size_ (0) { | ||
|  |                 data_ = 0; | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         map_array (const map_array &c): | ||
|  |             alloc_ (c.alloc_), capacity_ (c.size_), size_ (c.size_) { | ||
|  |             if (capacity_) { | ||
|  |                 data_ = alloc_.allocate (capacity_); | ||
|  |                 std::uninitialized_copy (data_, data_ + capacity_, c.data_); | ||
|  |                 // capacity != size_ requires uninitialized_fill (size_ to capacity_) | ||
|  |             } | ||
|  |             else | ||
|  |                 data_ = 0; | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         ~map_array () { | ||
|  |             if (capacity_) { | ||
|  |                 std::for_each (data_, data_ + capacity_, static_destroy); | ||
|  |                 alloc_.deallocate (data_, capacity_); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |     private: | ||
|  |         // Resizing - implicitly exposses uninitialized (but default constructed) mapped_type | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         void resize (size_type size) { | ||
|  |             BOOST_UBLAS_CHECK (size_ <= capacity_, internal_logic ()); | ||
|  |             if (size > capacity_) { | ||
|  |                 const size_type capacity = size << 1; | ||
|  |                 BOOST_UBLAS_CHECK (capacity, internal_logic ()); | ||
|  |                 pointer data = alloc_.allocate (capacity); | ||
|  |                 std::uninitialized_copy (data_, data_ + (std::min) (size, size_), data); | ||
|  |                 std::uninitialized_fill (data + (std::min) (size, size_), data + capacity, value_type ()); | ||
|  | 
 | ||
|  |                 if (capacity_) { | ||
|  |                     std::for_each (data_, data_ + capacity_, static_destroy); | ||
|  |                     alloc_.deallocate (data_, capacity_); | ||
|  |                 } | ||
|  |                 capacity_ = capacity; | ||
|  |                 data_ = data; | ||
|  |             } | ||
|  |             size_ = size; | ||
|  |             BOOST_UBLAS_CHECK (size_ <= capacity_, internal_logic ()); | ||
|  |         } | ||
|  |     public: | ||
|  | 
 | ||
|  |         // Reserving | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         void reserve (size_type capacity) { | ||
|  |             BOOST_UBLAS_CHECK (size_ <= capacity_, internal_logic ()); | ||
|  |             // Reduce capacity_ if size_ allows | ||
|  |             BOOST_UBLAS_CHECK (capacity >= size_, bad_size ()); | ||
|  |             pointer data; | ||
|  |             if (capacity) { | ||
|  |                 data = alloc_.allocate (capacity); | ||
|  |                 std::uninitialized_copy (data_, data_ + size_, data); | ||
|  |                 std::uninitialized_fill (data + size_, data + capacity, value_type ()); | ||
|  |             } | ||
|  |             else | ||
|  |                 data = 0; | ||
|  |                  | ||
|  |             if (capacity_) { | ||
|  |                 std::for_each (data_, data_ + capacity_, static_destroy); | ||
|  |                 alloc_.deallocate (data_, capacity_); | ||
|  |             } | ||
|  |             capacity_ = capacity; | ||
|  |             data_ = data; | ||
|  |             BOOST_UBLAS_CHECK (size_ <= capacity_, internal_logic ()); | ||
|  |         } | ||
|  | 
 | ||
|  |         // Random Access Container | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         size_type size () const { | ||
|  |             return size_; | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         size_type capacity () const { | ||
|  |             return capacity_; | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         size_type max_size () const { | ||
|  |             return 0; //TODO | ||
|  |         } | ||
|  |         | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         bool empty () const { | ||
|  |             return size_ == 0; | ||
|  |         } | ||
|  |              | ||
|  |         // Element access | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         data_reference operator [] (key_type i) { | ||
|  | #ifndef BOOST_UBLAS_STRICT_MAP_ARRAY | ||
|  |             pointer it = find (i); | ||
|  |             if (it == end ()) | ||
|  |                 it = insert (end (), value_type (i, mapped_type (0))); | ||
|  |             BOOST_UBLAS_CHECK (it != end (), internal_logic ()); | ||
|  |             return it->second; | ||
|  | #else | ||
|  |             return data_reference (*this, i); | ||
|  | #endif | ||
|  |         } | ||
|  | 
 | ||
|  |         // Assignment | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         map_array &operator = (const map_array &a) { | ||
|  |             if (this != &a) { | ||
|  |                 resize (a.size_); | ||
|  |                 std::copy (a.data_, a.data_ + a.size_, data_); | ||
|  |             } | ||
|  |             return *this; | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         map_array &assign_temporary (map_array &a) { | ||
|  |             swap (a); | ||
|  |             return *this; | ||
|  |         } | ||
|  | 
 | ||
|  |         // Swapping | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         void swap (map_array &a) { | ||
|  |             if (this != &a) { | ||
|  |                 std::swap (capacity_, a.capacity_); | ||
|  |                 std::swap (data_, a.data_); | ||
|  |                 std::swap (size_, a.size_); | ||
|  |             } | ||
|  |         } | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         friend void swap (map_array &a1, map_array &a2) { | ||
|  |             a1.swap (a2); | ||
|  |         } | ||
|  | 
 | ||
|  |         // Element insertion and deletion | ||
|  |          | ||
|  |         // From Back Insertion Sequence concept | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         iterator push_back (iterator it, const value_type &p) { | ||
|  |             if (size () == 0 || (it = end () - 1)->first < p.first) { | ||
|  |                 resize (size () + 1); | ||
|  |                 *(it = end () - 1) = p; | ||
|  |                 return it; | ||
|  |             } | ||
|  |             external_logic ().raise (); | ||
|  |             return it; | ||
|  |         } | ||
|  |         // Form Unique Associative Container concept | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         std::pair<iterator,bool> insert (const value_type &p) { | ||
|  |             iterator it = detail::lower_bound (begin (), end (), p, detail::less_pair<value_type> ()); | ||
|  |             if (it != end () && it->first == p.first) | ||
|  |                 return std::make_pair (it, false); | ||
|  |             difference_type n = it - begin (); | ||
|  |             resize (size () + 1); | ||
|  |             it = begin () + n;    // allow for invalidation | ||
|  |             std::copy_backward (it, end () - 1, end ()); | ||
|  |             *it = p; | ||
|  |             return std::make_pair (it, true); | ||
|  |         } | ||
|  |         // Form Sorted Associative Container concept | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         iterator insert (iterator hint, const value_type &p) { | ||
|  |             return insert (p).first; | ||
|  |         } | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         void erase (iterator it) { | ||
|  |             BOOST_UBLAS_CHECK (begin () <= it && it < end (), bad_index ()); | ||
|  |             std::copy (it + 1, end (), it); | ||
|  |             resize (size () - 1); | ||
|  |         } | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         void erase (iterator it1, iterator it2) { | ||
|  |             if (it1 == it2) return /* nothing to erase */; | ||
|  |             BOOST_UBLAS_CHECK (begin () <= it1 && it1 < it2 && it2 <= end (), bad_index ()); | ||
|  |             std::copy (it2, end (), it1); | ||
|  |             resize (size () - (it2 - it1)); | ||
|  |         } | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         void clear () { | ||
|  |             resize (0); | ||
|  |         } | ||
|  | 
 | ||
|  |         // Element lookup | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         const_iterator find (key_type i) const { | ||
|  |             const_iterator it (detail::lower_bound (begin (), end (), value_type (i, mapped_type (0)), detail::less_pair<value_type> ())); | ||
|  |             if (it == end () || it->first != i) | ||
|  |                 it = end (); | ||
|  |             return it; | ||
|  |         } | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         iterator find (key_type i) { | ||
|  |             iterator it (detail::lower_bound (begin (), end (), value_type (i, mapped_type (0)), detail::less_pair<value_type> ())); | ||
|  |             if (it == end () || it->first != i) | ||
|  |                 it = end (); | ||
|  |             return it; | ||
|  |         } | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         const_iterator lower_bound (key_type i) const { | ||
|  |             return detail::lower_bound (begin (), end (), value_type (i, mapped_type (0)), detail::less_pair<value_type> ()); | ||
|  |         } | ||
|  |         // BOOST_UBLAS_INLINE This function seems to be big. So we do not let the compiler inline it.     | ||
|  |         iterator lower_bound (key_type i) { | ||
|  |             return detail::lower_bound (begin (), end (), value_type (i, mapped_type (0)), detail::less_pair<value_type> ()); | ||
|  |         } | ||
|  | 
 | ||
|  |         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 (); | ||
|  |         } | ||
|  | 
 | ||
|  |         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 ()); | ||
|  |         } | ||
|  | 
 | ||
|  |         // Allocator | ||
|  |         allocator_type get_allocator () { | ||
|  |             return alloc_; | ||
|  |         } | ||
|  | 
 | ||
|  |          // Serialization | ||
|  |         template<class Archive> | ||
|  |         void serialize(Archive & ar, const unsigned int /* file_version */){ | ||
|  |             serialization::collection_size_type s (size_); | ||
|  |             ar & serialization::make_nvp("size",s); | ||
|  |             if (Archive::is_loading::value) { | ||
|  |                 resize(s); | ||
|  |             } | ||
|  |             ar & serialization::make_array(data_, s); | ||
|  |         } | ||
|  | 
 | ||
|  |     private: | ||
|  |         // Provide destroy as a non member function | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         static void static_destroy (reference p) { | ||
|  |             (&p) -> ~value_type (); | ||
|  |         } | ||
|  |         ALLOC alloc_; | ||
|  |         size_type capacity_; | ||
|  |         pointer data_; | ||
|  |         size_type size_; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     namespace detail { | ||
|  |         template<class A, class T> | ||
|  |         struct map_traits { | ||
|  |             typedef typename A::mapped_type &reference; | ||
|  |         }; | ||
|  |         template<class I, class T, class ALLOC> | ||
|  |         struct map_traits<map_array<I, T, ALLOC>, T > { | ||
|  |             typedef typename map_array<I, T, ALLOC>::data_reference reference; | ||
|  |         }; | ||
|  | 
 | ||
|  |         // reserve helpers for map_array and generic maps | ||
|  |         // ISSUE should be in map_traits but want to use on all compilers | ||
|  | 
 | ||
|  |         template<class M> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         void map_reserve (M &/* m */, typename M::size_type /* capacity */) { | ||
|  |         } | ||
|  |         template<class I, class T, class ALLOC> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         void map_reserve (map_array<I, T, ALLOC> &m, typename map_array<I, T, ALLOC>::size_type capacity) { | ||
|  |             m.reserve (capacity); | ||
|  |         } | ||
|  | 
 | ||
|  |         template<class M> | ||
|  |         struct map_capacity_traits { | ||
|  |             typedef typename M::size_type type ; | ||
|  |             type operator() ( M const& m ) const { | ||
|  |                return m.size (); | ||
|  |             } | ||
|  |         } ; | ||
|  | 
 | ||
|  |         template<class I, class T, class ALLOC> | ||
|  |         struct map_capacity_traits< map_array<I, T, ALLOC> > { | ||
|  |             typedef typename map_array<I, T, ALLOC>::size_type type ; | ||
|  |             type operator() ( map_array<I, T, ALLOC> const& m ) const { | ||
|  |                return m.capacity (); | ||
|  |             } | ||
|  |         } ; | ||
|  | 
 | ||
|  |         template<class M> | ||
|  |         BOOST_UBLAS_INLINE | ||
|  |         typename map_capacity_traits<M>::type map_capacity (M const& m) { | ||
|  |             return map_capacity_traits<M>() ( m ); | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  | }}} | ||
|  | 
 | ||
|  | #endif |