surface_codes.py 文件源码

def hasLogicalError(self):
        for type in self.types:
            for charge_type in ['X','Z']:
                LogicalLattice = self.Primal.copy()
                for node in self.Primal.nodes():
                    if self.Primal.node[node]['charge'][charge_type] == 0:
                        LogicalLattice.remove_node(node)
                for node1 in LogicalLattice.nodes():
                    for node2 in LogicalLattice.nodes():
                        if node1 in self.Boundary[type] and node2 in self.Boundary[type]:
                            if self.Boundary[type][node1] != self.Boundary[type][node2]:
                                start, end = node1, node2
                                if start in LogicalLattice.nodes() and end in LogicalLattice.nodes():
                                    if nx.has_path(LogicalLattice, start, end):
                                        return True

        return False