Add edge-based graph loading in MLD facade

include/util/shared_memory_vector_wrapper.hpp

@@ -106,6 +106,18 @@ template <typename DataT> class SharedMemoryWrapper
         return m_ptr[index];
     }
 
+    const DataT &front() const {
+        BOOST_ASSERT_MSG(m_size > 0, "invalid size");
+        return m_ptr[0];
+    }
+
+    const DataT &back() const {
+        BOOST_ASSERT_MSG(m_size > 0, "invalid size");
+        return m_ptr[m_size - 1];
+    }
+
+    auto data() const { return m_ptr; }
+
     template <typename T>
     friend void swap(SharedMemoryWrapper<T> &, SharedMemoryWrapper<T> &) noexcept;
 };

include/util/static_graph.hpp

@@ -134,8 +134,11 @@ template <typename EdgeDataT, bool UseSharedMemory = false> class StaticGraph
     StaticGraph(typename ShM<NodeArrayEntry, UseSharedMemory>::vector &nodes,
                 typename ShM<EdgeArrayEntry, UseSharedMemory>::vector &edges)
     {
+        BOOST_ASSERT(!nodes.empty());
+
         number_of_nodes = static_cast<decltype(number_of_nodes)>(nodes.size() - 1);
-        number_of_edges = static_cast<decltype(number_of_edges)>(edges.size());
+        number_of_edges = static_cast<decltype(number_of_edges)>(nodes.back().first_edge);
+        BOOST_ASSERT(number_of_edges <= edges.size());
 
         using std::swap;
         swap(node_array, nodes);