Factory for quantum gates and other operations. More...

#include <Factory.h>

Static Public Member Functions
static std::shared_ptr< Circuit< Time > >	CreateCircuit (const std::vector< std::shared_ptr< IOperation< Time > > > &ops={})
	Construct a circuit.
static std::shared_ptr< IOperation< Time > >	CreateReset (const Types::qubits_vector &qubits={}, const std::vector< bool > &resetTgts={})
	Construct a reset operation.
static std::shared_ptr< IOperation< Time > >	CreateRandom (const std::vector< size_t > &bits={}, size_t seed=0)
	Construct a random operation.
static const std::shared_ptr< IOperation< Time > >	CreateMeasurement (const std::vector< std::pair< Types::qubit_t, size_t > > &qs={})
	Construct a measurement operation.
static const std::shared_ptr< IQuantumGate< Time > >	CreateGate (QuantumGateType type, size_t q1, size_t q2=0, size_t q3=0, double param1=0, double param2=0, double param3=0, double param4=0)
	Construct a quantum gate.
static const std::shared_ptr< IOperation< Time > >	CreateGateWithVectors (QuantumGateType type, const Types::qubits_vector &qubits, const std::vector< double > &params={})
	Construct a quantum gate.
static std::shared_ptr< ICondition >	CreateEqualCondition (const std::vector< size_t > &ind, const std::vector< bool > &b)
	Construct an equality condition.
static std::shared_ptr< IOperation< Time > >	CreateConditionalGate (const std::shared_ptr< IGateOperation< Time > > &operation, const std::shared_ptr< ICondition > &condition)
	Construct a conditional gate.
static std::shared_ptr< IOperation< Time > >	CreateSimpleConditionalGate (const std::shared_ptr< IGateOperation< Time > > &operation, const size_t cbit)
	Construct a simple conditional gate.
static std::shared_ptr< IOperation< Time > >	CreateConditionalMeasurement (const std::shared_ptr< MeasurementOperation< Time > > &measurement, const std::shared_ptr< ICondition > &condition)
	Constructs a conditional measurement.
static std::shared_ptr< IOperation< Time > >	CreateConditionalRandomGen (const std::shared_ptr< Random< Time > > &randomGen, const std::shared_ptr< ICondition > &condition)
	Constructs a conditional random number generator.
static std::shared_ptr< IOperation< Time > >	CreateNoOp ()
	Creates a no op.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateBellStateCircuit (size_t qbit1, size_t qbit2, bool qbit1X=false, bool qbit2X=false)
	Creates a circuit that prepares a qubit pair in a Bell state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateBellStateDecoderCircuit (size_t qbit1, size_t qbit2)
	Creates a Bell state decoder circuit.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateGZHStateCircuit (size_t qbit1, size_t qbit2, size_t qbit3)
	Creates a circuit that prepares three qubits in a GHZ state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateTeleportationCircuit (size_t entqbit1, size_t entqbit2, size_t srcqbit, size_t cbit1, size_t cbit2)
	Creates a teleportation circuit.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateStartDistributionCircuit (size_t ctrlQubit, size_t ctrlEntangledQubit, size_t tgtEntangledQubit, size_t ctrlEntangledMeasureBit)
	Creates the circuit for distribution start.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateEndDistributionCircuit (size_t ctrlQubit, size_t tgtEntangledQubit, size_t tgtEntangledMeasureBit)
	Creates the circuit for distribution end.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateMeasureX (size_t qubit, size_t cbit)
	Creates the circuit for measuring a qubit in the X basis.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateMeasureY (size_t qubit, size_t cbit)
	Creates the circuit for measuring a qubit in the Y basis.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateMeasureZ (size_t qubit, size_t cbit)
	Creates the circuit for measuring a qubit in the Z basis.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateInitZero (size_t qubit)
	Creates the circuit for initializing a qubit in the \|0> state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateInitOne (size_t qubit)
	Creates the circuit for initializing a qubit in the \|1> state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateInitPlus (size_t qubit)
	Creates the circuit for initializing a qubit in the \|+> state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateInitMinus (size_t qubit)
	Creates the circuit for initializing a qubit in the \|-> state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateInitPlusI (size_t qubit)
	Creates the circuit for initializing a qubit in the \|i> state.
static std::vector< std::shared_ptr< IOperation< Time > > >	CreateInitMinusI (size_t qubit)
	Creates the circuit for initializing a qubit in the \|-i> state.

Detailed Description

template<typename Time = Types::time_type>
class Circuits::CircuitFactory< Time >

Factory for quantum gates and other operations.

Contains factory methods for quantum gates, resets, measurements, conditional gates, etc. There are even for factory methods for some circuits that are important (for example for distribution).

Template Parameters

Time	The time type used for operations timing.

Definition at line 36 of file Circuit/Factory.h.

Member Function Documentation

◆ CreateBellStateCircuit()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateBellStateCircuit	(	size_t	qbit1,
		size_t	qbit2,
		bool	qbit1X = false,
		bool	qbit2X = false )

inlinestatic

Creates a circuit that prepares a qubit pair in a Bell state.

Parameters

qbit1	The first qubit.
qbit2	The second qubit.
qbit1X	Whether to apply an X gate to the first qubit.
qbit2X	Whether to apply an X gate to the second qubit.

Returns: The circuit that prepares the qubit pair in a Bell state.

See also: IOperation

Definition at line 385 of file Circuit/Factory.h.

◆ CreateBellStateDecoderCircuit()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateBellStateDecoderCircuit	(	size_t	qbit1,
		size_t	qbit2 )

inlinestatic

Creates a Bell state decoder circuit.

Parameters

qbit1	The first qubit.
qbit2	The second qubit.

Returns: The decoder circuit.

See also: IOperation

Definition at line 417 of file Circuit/Factory.h.

◆ CreateCircuit()

template<typename Time = Types::time_type>

std::shared_ptr< Circuit< Time > > Circuits::CircuitFactory< Time >::CreateCircuit ( const std::vector< std::shared_ptr< IOperation< Time > > > & ops = {} )

inlinestatic

Construct a circuit.

Constructs a circuit with the given operations.

Parameters

ops	The operations to add to the circuit.

Returns: The created circuit.

See also: Circuit

Definition at line 46 of file Circuit/Factory.h.

◆ CreateConditionalGate()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateConditionalGate	(	const std::shared_ptr< IGateOperation< Time > > &	operation,
		const std::shared_ptr< ICondition > &	condition )

inlinestatic

Construct a conditional gate.

Constructs a conditional gate with the given operation and condition.

Parameters

operation	The operation to perform if the condition is met.
condition	The condition to check.

Returns: The conditional gate.

See also: ConditionalGate; IGateOperation; ICondition

Definition at line 295 of file Circuit/Factory.h.

◆ CreateConditionalMeasurement()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateConditionalMeasurement	(	const std::shared_ptr< MeasurementOperation< Time > > &	measurement,
		const std::shared_ptr< ICondition > &	condition )

inlinestatic

Constructs a conditional measurement.

Constructs a conditional measurement with the given measurement and condition.

Parameters

measurement	The measurement to perform if the condition is met.
condition	The condition to check.

Returns: The conditional measurement.

See also: ConditionalMeasurement; MeasurementOperation; ICondition

Definition at line 333 of file Circuit/Factory.h.

◆ CreateConditionalRandomGen()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateConditionalRandomGen	(	const std::shared_ptr< Random< Time > > &	randomGen,
		const std::shared_ptr< ICondition > &	condition )

inlinestatic

Constructs a conditional random number generator.

Constructs a conditional random number generator with the given random number generator and condition.

Parameters

randomGen	The random number generator to perform if the condition is met.
condition	The condition to check.

Returns: The conditional random number generator.

See also: ConditionalRandomGen; Random; ICondition

Definition at line 355 of file Circuit/Factory.h.

◆ CreateEndDistributionCircuit()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateEndDistributionCircuit	(	size_t	ctrlQubit,
		size_t	tgtEntangledQubit,
		size_t	tgtEntangledMeasureBit )

inlinestatic

Creates the circuit for distribution end.

Creates the circuit operations for the end of the distribution.

Parameters

ctrlQubit	The control qubit for the operation to distribute.
tgtEntangledQubit	The entangled qubit on the target host.
tgtEntangledMeasureBit	The classical bit to store the measurement of the entangled qubit on the target host.

Returns: The distribution end circuit operations.

Definition at line 552 of file Circuit/Factory.h.

◆ CreateEqualCondition()

template<typename Time = Types::time_type>

std::shared_ptr< ICondition > Circuits::CircuitFactory< Time >::CreateEqualCondition	(	const std::vector< size_t > &	ind,
		const std::vector< bool > &	b )

inlinestatic

Construct an equality condition.

Constructs an equality condition for the given classical bits and the given values.

Parameters

ind	The classical bits to check.
b	The values to check for equality.

Returns: The equality condition.

See also: ICondition

Definition at line 274 of file Circuit/Factory.h.

◆ CreateGate()

template<typename Time = Types::time_type>

const std::shared_ptr< IQuantumGate< Time > > Circuits::CircuitFactory< Time >::CreateGate	(	QuantumGateType	type,
		size_t	q1,
		size_t	q2 = 0,
		size_t	q3 = 0,
		double	param1 = 0,
		double	param2 = 0,
		double	param3 = 0,
		double	param4 = 0 )

inlinestatic

Construct a quantum gate.

Constructs a quantum gate operation.

Parameters

type	The type of gate to construct.
q1	The first qubit.
q2	The second qubit (if it's two or three qubit gate, otherwise ignored).
q3	The third qubit (if it's a three qubit gate, otherwise ignored).
param1	The first parameter (if it has parameters, otherwise ignored).
param2	The second parameter (if it has more than one parameter, otherwise ignored).
param3	The third parameter (if it has more than two parameters, otherwise ignored).
param4	The fourth parameter (if it has more than three parameters, otherwise ignored).

Returns: The quantum gate.

See also: IQuantumGate; QuantumGateType

Definition at line 122 of file Circuit/Factory.h.

◆ CreateGateWithVectors()

template<typename Time = Types::time_type>

const std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateGateWithVectors	(	QuantumGateType	type,
		const Types::qubits_vector &	qubits,
		const std::vector< double > &	params = {} )

inlinestatic

Construct a quantum gate.

Constructs a quantum gate operation.

Parameters

type	The type of gate to construct.
qubits	The qubits to apply the gate to.
params	The parameters of the gate.

Returns: A smart pointer to the created quantum gate.

See also: IQuantumGate; QuantumGateType

Definition at line 247 of file Circuit/Factory.h.

◆ CreateGZHStateCircuit()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateGZHStateCircuit	(	size_t	qbit1,
		size_t	qbit2,
		size_t	qbit3 )

inlinestatic

Creates a circuit that prepares three qubits in a GHZ state.

Creates a circuit that prepares a three qubits in a GHZ state.

Parameters

qbit1	The first qubit.
qbit2	The second qubit.
qbit3	The third qubit.

Returns: The circuit that prepares the qubits in a GHZ state.

See also: IOperation

Definition at line 438 of file Circuit/Factory.h.

◆ CreateInitMinus()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateInitMinus ( size_t qubit )

inlinestatic

Creates the circuit for initializing a qubit in the |-> state.

Creates the circuit operations for initializing a qubit in the |-> state.

Parameters

qubit The qubit to initialize.

Definition at line 675 of file Circuit/Factory.h.

◆ CreateInitMinusI()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateInitMinusI ( size_t qubit )

inlinestatic

Creates the circuit for initializing a qubit in the |-i> state.

Creates the circuit operations for initializing a qubit in the |-i> state.

Parameters

qubit The qubit to initialize.

Definition at line 709 of file Circuit/Factory.h.

◆ CreateInitOne()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateInitOne ( size_t qubit )

inlinestatic

Creates the circuit for initializing a qubit in the |1> state.

Creates the circuit operations for initializing a qubit in the |1> state.

Parameters

qubit The qubit to initialize.

Definition at line 643 of file Circuit/Factory.h.

◆ CreateInitPlus()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateInitPlus ( size_t qubit )

inlinestatic

Creates the circuit for initializing a qubit in the |+> state.

Creates the circuit operations for initializing a qubit in the |+> state.

Parameters

qubit The qubit to initialize.

Definition at line 659 of file Circuit/Factory.h.

◆ CreateInitPlusI()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateInitPlusI ( size_t qubit )

inlinestatic

Creates the circuit for initializing a qubit in the |i> state.

Creates the circuit operations for initializing a qubit in the |i> state.

Parameters

qubit The qubit to initialize.

Definition at line 692 of file Circuit/Factory.h.

◆ CreateInitZero()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateInitZero ( size_t qubit )

inlinestatic

Creates the circuit for initializing a qubit in the |0> state.

Creates the circuit operations for initializing a qubit in the |0> state.

Parameters

qubit The qubit to initialize.

Definition at line 628 of file Circuit/Factory.h.

◆ CreateMeasurement()

template<typename Time = Types::time_type>

const std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateMeasurement ( const std::vector< std::pair< Types::qubit_t, size_t > > & qs = {} )

inlinestatic

Construct a measurement operation.

Measures the qubits and stores the result in the classical bits.

Parameters

qs	The qubits to measure and the corresponding classical bit where to put results, specified as pairs.

Returns: The measurement operation.

See also: MeasurementOperation

Definition at line 94 of file Circuit/Factory.h.

◆ CreateMeasureX()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateMeasureX	(	size_t	qubit,
		size_t	cbit )

inlinestatic

Creates the circuit for measuring a qubit in the X basis.

Creates the circuit operations for measuring a qubit in the X basis.

Parameters

qubit	The qubit to measure.
cbit	The classical bit to store the measurement result.

Definition at line 578 of file Circuit/Factory.h.

◆ CreateMeasureY()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateMeasureY	(	size_t	qubit,
		size_t	cbit )

inlinestatic

Creates the circuit for measuring a qubit in the Y basis.

Creates the circuit operations for measuring a qubit in the Y basis.

Parameters

qubit	The qubit to measure.
cbit	The classical bit to store the measurement result.

Definition at line 595 of file Circuit/Factory.h.

◆ CreateMeasureZ()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateMeasureZ	(	size_t	qubit,
		size_t	cbit )

inlinestatic

Creates the circuit for measuring a qubit in the Z basis.

Creates the circuit operations for measuring a qubit in the Z basis.

Parameters

qubit	The qubit to measure.
cbit	The classical bit to store the measurement result.

Definition at line 613 of file Circuit/Factory.h.

◆ CreateNoOp()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateNoOp ( )

inlinestatic

Creates a no op.

Creates a no op, an operation that does nothing.

Returns: The no op.

See also: NoOperation

Definition at line 368 of file Circuit/Factory.h.

◆ CreateRandom()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateRandom	(	const std::vector< size_t > &	bits = {},
		size_t	seed = 0 )

inlinestatic

Construct a random operation.

Generates a random 0 or 1 for each specified classical bit.

Parameters

bits	The bits to generate random numbers for.
seed	The seed to use for the random number generator.

Returns: The random operation.

See also: Random

Definition at line 80 of file Circuit/Factory.h.

◆ CreateReset()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateReset	(	const Types::qubits_vector &	qubits = {},
		const std::vector< bool > &	resetTgts = {} )

inlinestatic

Construct a reset operation.

Resets the qubits to the given state. If not specified, the qubits are reset to |0>.

Parameters

qubits	The qubits to reset.
resetTgts	The reset values, true to reset to \|1>, false to reset to \|0>.

Returns: The reset operation.

See also: Reset

Definition at line 64 of file Circuit/Factory.h.

◆ CreateSimpleConditionalGate()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::CircuitFactory< Time >::CreateSimpleConditionalGate	(	const std::shared_ptr< IGateOperation< Time > > &	operation,
		const size_t	cbit )

inlinestatic

Construct a simple conditional gate.

Constructs a simple conditional gate with the given operation and a single cbit value. The gate is applied only if the cbit is true.

Parameters

operation	The operation to perform if the condition is met.
cbit	The cbit to be checked.

Returns: The conditional gate.

See also: ConditionalGate; IGateOperation; ICondition

Definition at line 313 of file Circuit/Factory.h.

◆ CreateStartDistributionCircuit()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateStartDistributionCircuit	(	size_t	ctrlQubit,
		size_t	ctrlEntangledQubit,
		size_t	tgtEntangledQubit,
		size_t	ctrlEntangledMeasureBit )

inlinestatic

Creates the circuit for distribution start.

Creates the circuit operations for the start of the distribution.

Parameters

ctrlQubit	The control qubit for the operation to distribute.
ctrlEntangledQubit	The entangled qubit on the control host.
tgtEntangledQubit	The entangled qubit on the target host.
ctrlEntangledMeasureBit	The classical bit to store the measurement of the entangled qubit on the control host.

Returns: The distribution start circuit operations.

Definition at line 504 of file Circuit/Factory.h.

◆ CreateTeleportationCircuit()

template<typename Time = Types::time_type>

std::vector< std::shared_ptr< IOperation< Time > > > Circuits::CircuitFactory< Time >::CreateTeleportationCircuit	(	size_t	entqbit1,
		size_t	entqbit2,
		size_t	srcqbit,
		size_t	cbit1,
		size_t	cbit2 )

inlinestatic

Creates a teleportation circuit.

Creates a teleportation. The source qubit is teleported to the second entanglement qubit.

Parameters

entqbit1	The first entanglment qubit.
entqbit2	The second entanglement qubit.
srcqbit	The qubit to be teleported.
cbit1	The classical bit to store the measurement of the qubit to be teleported.
cbit2	The classical bit to store the measurement of the first entanglement qubit.

Returns: The teleportation circuit.

See also: IOperation

Definition at line 465 of file Circuit/Factory.h.

The documentation for this class was generated from the following file:

Circuit/Factory.h

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ CreateBellStateCircuit()

◆ CreateBellStateDecoderCircuit()

◆ CreateCircuit()

◆ CreateConditionalGate()

◆ CreateConditionalMeasurement()

◆ CreateConditionalRandomGen()

◆ CreateEndDistributionCircuit()

◆ CreateEqualCondition()

◆ CreateGate()

◆ CreateGateWithVectors()

◆ CreateGZHStateCircuit()

◆ CreateInitMinus()

◆ CreateInitMinusI()

◆ CreateInitOne()

◆ CreateInitPlus()

◆ CreateInitPlusI()

◆ CreateInitZero()

◆ CreateMeasurement()

◆ CreateMeasureX()

◆ CreateMeasureY()

◆ CreateMeasureZ()

◆ CreateNoOp()

◆ CreateRandom()

◆ CreateReset()

◆ CreateSimpleConditionalGate()

◆ CreateStartDistributionCircuit()

◆ CreateTeleportationCircuit()