Adapt to uniform parameter identifier

bnb/graph.cpp

@@ -7,6 +7,6 @@ unsigned int graph::num_vertices() const {
     return vertices;
 }
 
-std::vector<unsigned int> graph::get_adjacency(vertex_id vertex) const {
-    return adjacency_list[vertex-1];
+std::vector<unsigned int> graph::get_adjacency(vertex_id v) const {
+    return adjacency_list[v-1];
 }

include/gp-bnb/graph.hpp

@@ -21,7 +21,7 @@ public:
      *  @param  Vertex Id
      *  @return Adjacency of the vertex
      */
-    std::vector<unsigned int> get_adjacency(vertex_id vertex) const;
+    std::vector<unsigned int> get_adjacency(vertex_id v) const;
 
 private:
     unsigned int vertices;