common.py 文件源码

def distance(self, type, node1, node2):
        if node1 in self.Dual[type].nodes() and node2 in self.Dual[type].nodes():
            return nx.shortest_path_length(self.Dual[type], node1, node2)
        elif node1 in self.Dual[type].nodes() and node2 not in self.Dual[type].nodes():
            node2 = self.External[type][node2]['measure']
            return nx.shortest_path_length(self.Dual[type], node1, node2) + 1
        elif node1 not in self.Dual[type].nodes() and node2 in self.Dual[type].nodes():
            node1 = self.External[type][node1]['measure']
            return nx.shortest_path_length(self.Dual[type], node1, node2) + 1
        else:
            node1 = self.External[type][node1]['measure']
            node2 = self.External[type][node2]['measure']
            return nx.shortest_path_length(self.Dual[type], node1, node2) + 2


    # Re-initializes Measurement qubits