qfnn.qf_circ.base module

Filename :lib_circuit_base.py Description :This document is used for fundamental class of quantum circuit Time :2021/09/26 13:58:23 Author :Weiwen Jiang & Zhirui Hu Version :1.0

class qfnn.qf_circ.base.BaseCircuit(n_qubits, n_repeats)

Bases: object

BaseCircuit is a class, which includes fundamental functions of a circuit module.

Parameters

  • n_qubits – input qubits of each unit

  • n_repeats – repeat times of each unit

add_input_qubits(circuit, name)

Function add_input_qubits is to add a group of qubits as input qubit .

Parameters

  • circuit – The circuit that you add the unit at the end

  • name – The name of the group

Returns

The register of qubits

Return type

qubits

add_qubits(circuit, name, number)

Function add_qubits is to add a group of qubits to a circuit. [Test at 09/29]

Parameters

  • circuit – The circuit that you add the unit at the end

  • name – The name of the group

  • number – The number of qubits in the group.

Returns

The register of qubits

Return type

qubits

abstract classmethod forward(circuit)

Function forward is to add a circuit unit to the input qubits.

Parameters

circuit – The circuit that you add the unit at the end

class qfnn.qf_circ.base.LinnerCircuit(n_qubits, n_repeats)

Bases: qfnn.qf_circ.base.BaseCircuit

LinnerCircuit is a base class of u-layer circuit and ffnn circuit.

Parameters

  • n_qubits – input qubits of each unit

  • n_repeats – repeat times of each unit

add_aux(circuit)

Function add_aux is to add a group of qubits as input qubit .

Parameters

circuit – The circuit that you add the unit at the end

Returns

The register of qubits

Return type

qubits

add_input_qubits(circuit, name='linner_layer')

Function add_input_qubits is to add a group of qubits as input qubit .

Parameters

circuit – The circuit that you add the unit at the end

Returns

The register of qubits

Return type

qubits

add_out_qubits(circuit)

Function add_out_qubits is to add a group of qubits as input qubit .

Parameters

circuit – The circuit that you add the unit at the end

Returns

The register of qubits

Return type

qubits

add_weight(circuit, weight, in_qubits, data_matrix=None, aux=[])

Function add_weight is to add the circuit of ci=wi*xi.

Parameters

  • circuit – The circuit that you add the unit at the end

  • weight – A list of binary weight.

  • in_qubits – The register of input qubits

  • data_matrix – The unitary matrix encoding into the qubits

  • aux – aux qubits

extract_from_weight()
forward(circuit, weight, in_qubits, out_qubit, data_matrix=None, aux=[])

Function forward is to add the circuit of (∑wi*xi)^2/N.

Parameters

  • circuit – The circuit that you add the unit at the end

  • weight – A list of binary weight.

  • in_qubits – The register of input qubits

  • out_qubit – The register of output qubits

  • data_matrix – The unitary matrix encoding into the qubits

  • aux – aux qubits

classmethod get_index_list(input, target)
sum2(circuit, in_qubits, out_qubit, aux=[])

Function sum2 is to add the circuit of (∑ci)^2/N.

Parameters

  • circuit – The circuit that you add the unit at the end

  • in_qubits – The register of input qubits

  • out_qubit – The register of output qubits

  • aux – aux qubits