Marked vector iterator and boost::interprocess::offset_ptr as contiguous storage iterators to speed up insertion in vector with trivially copyable types.

[SVN r83416]

include/boost/container/detail/utilities.hpp

@@ -183,12 +183,74 @@ struct are_elements_contiguous
    static const bool value = false;
 };
 
+/////////////////////////
+//    raw pointers
+/////////////////////////
+
 template<class T>
 struct are_elements_contiguous<T*>
 {
    static const bool value = true;
 };
 
+/////////////////////////
+//    predeclarations
+/////////////////////////
+
+#ifndef BOOST_CONTAINER_VECTOR_ITERATOR_IS_POINTER
+
+template<class Pointer>
+class vector_iterator;
+
+template<class Pointer>
+class vector_const_iterator;
+
+#endif   //BOOST_CONTAINER_VECTOR_ITERATOR_IS_POINTER
+
+}  //namespace container_detail {
+}  //namespace container {
+
+namespace interprocess {
+
+template <class PointedType, class DifferenceType, class OffsetType, std::size_t OffsetAlignment>
+class offset_ptr;
+
+}  //namespace interprocess {
+
+namespace container {
+
+namespace container_detail {
+
+/////////////////////////
+//vector_[const_]iterator
+/////////////////////////
+
+#ifndef BOOST_CONTAINER_VECTOR_ITERATOR_IS_POINTER
+
+template<class Pointer>
+struct are_elements_contiguous<boost::container::container_detail::vector_iterator<Pointer> >
+{
+   static const bool value = true;
+};
+
+template<class Pointer>
+struct are_elements_contiguous<boost::container::container_detail::vector_const_iterator<Pointer> >
+{
+   static const bool value = true;
+};
+
+#endif   //BOOST_CONTAINER_VECTOR_ITERATOR_IS_POINTER
+
+/////////////////////////
+//    offset_ptr
+/////////////////////////
+
+template <class PointedType, class DifferenceType, class OffsetType, std::size_t OffsetAlignment>
+struct are_elements_contiguous< ::boost::interprocess::offset_ptr<PointedType, DifferenceType, OffsetType, OffsetAlignment> >
+{
+   static const bool value = true;
+};
+
 template <typename I, typename O>
 struct are_contiguous_and_same
 {

test/vector_test.hpp

@@ -83,6 +83,11 @@ bool vector_copyable_only(V1 *boostvector, V2 *stdvector, boost::container::cont
    {
       V1 *pv1 = new V1(*boostvector);
       V2 *pv2 = new V2(*stdvector);
+      boostvector->clear();
+      stdvector->clear();
+      boostvector->assign(pv1->begin(), pv1->end());
+      stdvector->assign(pv2->begin(), pv2->end());
+      if(!test::CheckEqualContainers(boostvector, stdvector)) return 1;
       delete pv1;
       delete pv2;
    }