[Mesh] add isActiveNode() to ElementStatus

MeshLib/ElementStatus.cpp

@@ -125,4 +125,9 @@ void ElementStatus::setElementStatus(std::size_t i, bool status)
     }
 }
 
+bool ElementStatus::isActiveNode(MeshLib::Node const* node) const
+{
+    return _active_nodes[node->getID()]>0;
+}
+
 }

MeshLib/ElementStatus.h

@@ -43,6 +43,9 @@ public:
     /// Returns the status of element i
     bool isActive(std::size_t i) const { return _element_status[i]; }
 
+    /// Returns the status of node i
+    bool isActiveNode(MeshLib::Node const* node) const;
+
     /// Returns a vector of active elements connected to a node
     std::vector<MeshLib::Element*> getActiveElementsAtNode(std::size_t node_id) const;