update boost

linx64/include/boost/multiprecision/detail/dynamic_array.hpp

@@ -6,24 +6,39 @@
 //
 
 #ifndef BOOST_MP_DETAIL_DYNAMIC_ARRAY_HPP
-  #define BOOST_MP_DETAIL_DYNAMIC_ARRAY_HPP
+#define BOOST_MP_DETAIL_DYNAMIC_ARRAY_HPP
 
-  #include <vector>
-  #include <boost/multiprecision/detail/rebind.hpp>
+#include <algorithm>
+#include <cstddef>
+#include <cstdint>
+#include <vector>
 
-  namespace boost { namespace multiprecision { namespace backends { namespace detail
-  {
-    template <class value_type, const boost::uint32_t elem_number, class my_allocator>
-    struct dynamic_array : public std::vector<value_type, typename rebind<value_type, my_allocator>::type>
-    {
-       dynamic_array() :
-         std::vector<value_type, typename rebind<value_type, my_allocator>::type>(static_cast<typename std::vector<value_type, typename rebind<value_type, my_allocator>::type>::size_type>(elem_number), static_cast<value_type>(0))
-       {
-       }
+#include <boost/multiprecision/detail/rebind.hpp>
 
-             value_type* data()       { return &(*(this->begin())); }
-       const value_type* data() const { return &(*(this->begin())); }
-    };
-  } } } } // namespace boost::multiprecision::backends::detail
+namespace boost { namespace multiprecision { namespace backends { namespace detail {
+template <class ValueType, const std::uint32_t ElemNumber, class my_allocator>
+struct dynamic_array : public std::vector<ValueType, typename rebind<ValueType, my_allocator>::type>
+{
+private:
+   using base_class_type = std::vector<ValueType, typename rebind<ValueType, my_allocator>::type>;
+
+public:
+   dynamic_array()
+      : base_class_type(static_cast<typename base_class_type::size_type>(ElemNumber),
+                        static_cast<typename base_class_type::value_type>(0u)) { }
+
+   dynamic_array(std::initializer_list<std::uint32_t> lst)
+      : base_class_type(static_cast<typename base_class_type::size_type>(ElemNumber),
+                        static_cast<typename base_class_type::value_type>(0u))
+   {
+      std::copy(lst.begin(),
+                lst.begin() + (std::min)(std::size_t(lst.size()), std::size_t(ElemNumber)),
+                data());
+   }
+
+         typename base_class_type::value_type* data()       { return &(*(this->begin())); }
+   const typename base_class_type::value_type* data() const { return &(*(this->begin())); }
+};
+}}}} // namespace boost::multiprecision::backends::detail
 
 #endif // BOOST_MP_DETAIL_DYNAMIC_ARRAY_HPP