qiskit/dagcircuit/dagcircuit.py
def _add_wire(self, wire):
        """Add a qubit or bit to the circuit.

        Args:
            wire (tuple): (Register,int) containing a register instance and index
            This adds a pair of in and out nodes connected by an edge.

        Raises:
            DAGCircuitError: if trying to add duplicate wire
        """
        if wire not in self.wires:
            self.wires.append(wire)
            self._max_node_id += 1
            input_map_wire = self.input_map[wire] = self._max_node_id

            self._max_node_id += 1
            output_map_wire = self._max_node_id

            wire_name = "%s[%s]" % (wire[0].name, wire[1])

            inp_node = DAGNode(data_dict={'type': 'in', 'name': wire_name, 'wire': wire},
                               nid=input_map_wire)
            outp_node = DAGNode(data_dict={'type': 'out', 'name': wire_name, 'wire': wire},
                                nid=output_map_wire)
            self._id_to_node[input_map_wire] = inp_node
            self._id_to_node[output_map_wire] = outp_node

            self.input_map[wire] = inp_node
            self.output_map[wire] = outp_node

            self._multi_graph.add_node(inp_node)
            self._multi_graph.add_node(outp_node)

            self._multi_graph.add_edge(inp_node,
                                       outp_node)

            self._multi_graph.adj[inp_node][outp_node][0]["name"] \
                = "%s[%s]" % (wire[0].name, wire[1])
            self._multi_graph.adj[inp_node][outp_node][0]["wire"] \
                = wire
        else:
            raise DAGCircuitError("duplicate wire %s" % (wire,))
def _add_wire(self, wire):
        if wire not in self.wires:
            self.wires.append(wire)
            self._max_node_id += 1
            input_map_wire = self.input_map[wire] = self._max_node_id

            self._max_node_id += 1
            output_map_wire = self._max_node_id

            wire_name = "%s[%s]" % (wire[0].name, wire[1])

            inp_node = DAGNode(data_dict={'type': 'in', 'name': wire_name, 'wire': wire},
                               nid=input_map_wire)
            outp_node = DAGNode(data_dict={'type': 'out', 'name': wire_name, 'wire': wire},
                                nid=output_map_wire)
            self._id_to_node[input_map_wire] = inp_node
            self._id_to_node[output_map_wire] = outp_node

            self.input_map[wire] = inp_node
            self.output_map[wire] = outp_node

            self._multi_graph.add_node(inp_node)
            self._multi_graph.add_node(outp_node)

            self._multi_graph.add_edge(inp_node,
                                       outp_node)

            self._multi_graph.adj[inp_node][outp_node][0]["name"] \
                = "%s[%s]" % (wire[0].name, wire[1])
            self._multi_graph.adj[inp_node][outp_node][0]["wire"] \
                = wire
        else:
            raise DAGCircuitError("duplicate wire %s" % (wire,))
def _add_wire ( self , wire ) : if wire not in self . wires : self . wires . append ( wire ) self . _max_node_id += 1 input_map_wire = self . input_map [ wire ] = self . _max_node_id self . _max_node_id += 1 output_map_wire = self . _max_node_id wire_name = "%s[%s]" % ( wire [ 0 ] . name , wire [ 1 ] ) inp_node = DAGNode ( data_dict = { 'type' : 'in' , 'name' : wire_name , 'wire' : wire } , nid = input_map_wire ) outp_node = DAGNode ( data_dict = { 'type' : 'out' , 'name' : wire_name , 'wire' : wire } , nid = output_map_wire ) self . _id_to_node [ input_map_wire ] = inp_node self . _id_to_node [ output_map_wire ] = outp_node self . input_map [ wire ] = inp_node self . output_map [ wire ] = outp_node self . _multi_graph . add_node ( inp_node ) self . _multi_graph . add_node ( outp_node ) self . _multi_graph . add_edge ( inp_node , outp_node ) self . _multi_graph . adj [ inp_node ] [ outp_node ] [ 0 ] [ "name" ] = "%s[%s]" % ( wire [ 0 ] . name , wire [ 1 ] ) self . _multi_graph . adj [ inp_node ] [ outp_node ] [ 0 ] [ "wire" ] = wire else : raise DAGCircuitError ( "duplicate wire %s" % ( wire , ) )
Add a qubit or bit to the circuit.

        Args:
            wire (tuple): (Register,int) containing a register instance and index
            This adds a pair of in and out nodes connected by an edge.

        Raises:
            DAGCircuitError: if trying to add duplicate wire
Add a qubit or bit to the circuit .