Circuits::ThreeQubitsGate< Time > Class Template Reference

The interface for three qubits quantum gates. More...

#include <QuantumGates.h>

Inheritance diagram for Circuits::ThreeQubitsGate< Time >:

Collaboration diagram for Circuits::ThreeQubitsGate< Time >:

Public Member Functions
	ThreeQubitsGate (Types::qubit_t qubit1=0, Types::qubit_t qubit2=0, Types::qubit_t qubit3=0, Time delay=0)
	ThreeQubitsGate constructor.
virtual	~ThreeQubitsGate ()
	The ThreeQubitsGate destructor.
virtual std::vector< size_t >	AffectedBits () const
	Returns the affected bits.
Types::qubits_vector	AffectedQubits () const override
	Get the qubits the quantum gate is applied to.
virtual bool	CanAffectQuantumState () const
	Find if the operation can affect the quantum state.
virtual std::shared_ptr< IOperation< Time > >	Clone () const =0
	Get a shared pointer to a clone of this object.
virtual void	Execute (const std::shared_ptr< Simulators::ISimulator > &sim, OperationState &state) const =0
	Execute the operation.
Time	GetDelay () const
	Get the delay of the operation.
virtual QuantumGateType	GetGateType () const =0
	Get the type of the quantum gate.
unsigned int	GetNumQubits () const override
	Get the number of qubits the quantum gate is applied to.
virtual std::vector< double >	GetParams () const
	Get the gate parameters.
std::shared_ptr< IOperation< Time > >	getptr ()
	Get a shared pointer to this object.
Types::qubit_t	GetQubit (unsigned int index=0) const override
	Get the qubit the quantum gate is applied to.
OperationType	GetType () const override
	Get the type of the operation.
virtual bool	IsClifford () const
	Checks if the operation is a Clifford one.
virtual bool	IsConditional () const
	Find if the operation is a conditional operation.
virtual bool	NeedsEntanglementForDistribution () const
	Find if the operation needs entanglement for distribution.
std::shared_ptr< IOperation< Time > >	Remap (const std::unordered_map< Types::qubit_t, Types::qubit_t > &qubitsMap, const std::unordered_map< Types::qubit_t, Types::qubit_t > &bitsMap={}) const override
	Get a shared pointer to a remapped operation.
void	SetDelay (Time d)
	Set the delay of the operation.
void	SetQubit (Types::qubit_t q, unsigned long index=0) override
	Set the qubit the quantum gate is applied to.

Detailed Description

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

The interface for three qubits quantum gates.

The interface for three qubits quantum gates. Three qubits quantum gates are quantum operations that can be applied to three qubits.

Template Parameters

Time	The type of the execution delay.

See also

IQuantumGate

Definition at line 340 of file QuantumGates.h.

Constructor & Destructor Documentation

ThreeQubitsGate()

template<typename Time = Types::time_type>

Circuits::ThreeQubitsGate< Time >::ThreeQubitsGate ( Types::qubit_t  qubit1 = 0, Types::qubit_t  qubit2 = 0, Types::qubit_t  qubit3 = 0, Time  delay = 0  )

inline

ThreeQubitsGate constructor.

Constructs the ThreeQubitsGate object. If specified, the delay is the time the quantum gate takes to execute. This gate is abstract and will be derived from.

Parameters

qubit1	The first qubit the quantum gate is applied to.
qubit2	The second qubit the quantum gate is applied to.
qubit3	The third qubit the quantum gate is applied to.
delay	The time the quantum gate takes to execute.

See also

IQuantumGate

Definition at line 354 of file QuantumGates.h.

~ThreeQubitsGate()

template<typename Time = Types::time_type>

virtual Circuits::ThreeQubitsGate< Time >::~ThreeQubitsGate ( )

inlinevirtual

The ThreeQubitsGate destructor.

The ThreeQubitsGate destructor, virtual because this is an abstract class that will be derived from.

Definition at line 367 of file QuantumGates.h.

Member Function Documentation

AffectedBits()

template<typename Time = Types::time_type>

virtual std::vector< size_t > Circuits::IOperation< Time >::AffectedBits ( ) const

inlinevirtualinherited

Returns the affected bits.

Returns the affected classical bits.

Returns

The affected bits.

Reimplemented in Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::IConditionalOperation< Time >, Circuits::IConditionalOperation< Types::time_type >, Circuits::MeasurementOperation< Time >, and Circuits::Random< Time >.

Definition at line 478 of file Operations.h.

AffectedQubits()

template<typename Time = Types::time_type>

Types::qubits_vector Circuits::ThreeQubitsGate< Time >::AffectedQubits ( ) const

inlineoverridevirtual

Get the qubits the quantum gate is applied to.

Returns the qubits the quantum gate is applied to, in this case three qubits.

Returns

The qubits the quantum gate is applied to.

Reimplemented from Circuits::IOperation< Time >.

Definition at line 422 of file QuantumGates.h.

CanAffectQuantumState()

template<typename Time = Types::time_type>

virtual bool Circuits::IOperation< Time >::CanAffectQuantumState ( ) const

inlinevirtualinherited

Find if the operation can affect the quantum state.

Returns true if the operation can affect the quantum state, false otherwise.

Returns

True if the operation can affect the quantum state, false otherwise.

Reimplemented in Circuits::Circuit< Time >, and Circuits::Circuit< Types::time_type >.

Definition at line 429 of file Operations.h.

References Circuits::IOperation< Time >::GetType(), Circuits::kComposite, Circuits::kConditionalGate, Circuits::kConditionalMeasurement, Circuits::kGate, Circuits::kMeasurement, and Circuits::kReset.

Clone()

template<typename Time = Types::time_type>

virtual std::shared_ptr< IOperation< Time > > Circuits::IOperation< Time >::Clone ( ) const

pure virtualinherited

Get a shared pointer to a clone of this object.

Returns a shared pointer to a copy of this object.

Returns

A shared pointer to this object.

Implemented in Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::ConditionalGate< Time >, Circuits::ConditionalMeasurement< Time >, Circuits::ConditionalRandomGen< Time >, Circuits::MeasurementOperation< Time >, Circuits::NoOperation< Time >, Circuits::PhaseGate< Time >, Circuits::XGate< Time >, Circuits::XGate< Types::time_type >, Circuits::YGate< Time >, Circuits::ZGate< Time >, Circuits::HadamardGate< Time >, Circuits::SGate< Time >, Circuits::SdgGate< Time >, Circuits::TGate< Time >, Circuits::TdgGate< Time >, Circuits::SxGate< Time >, Circuits::SxDagGate< Time >, Circuits::KGate< Time >, Circuits::RxGate< Time >, Circuits::RyGate< Time >, Circuits::RzGate< Time >, Circuits::UGate< Time >, Circuits::SwapGate< Time >, Circuits::CXGate< Time >, Circuits::CYGate< Time >, Circuits::CZGate< Time >, Circuits::CPGate< Time >, Circuits::CRxGate< Time >, Circuits::CRyGate< Time >, Circuits::CRzGate< Time >, Circuits::CHGate< Time >, Circuits::CSxGate< Time >, Circuits::CSxDagGate< Time >, Circuits::CUGate< Time >, Circuits::CCXGate< Time >, Circuits::CSwapGate< Time >, Circuits::Random< Time >, and Circuits::Reset< Time >.

Referenced by Circuits::ConditionalMeasurement< Time >::Clone(), and Circuits::ConditionalRandomGen< Time >::Clone().

Execute()

template<typename Time = Types::time_type>

virtual void Circuits::IOperation< Time >::Execute ( const std::shared_ptr< Simulators::ISimulator > &  sim, OperationState &  state  ) const

pure virtualinherited

Execute the operation.

Execute the operation on the specified simulator.

Parameters

sim	The simulator to execute the operation on.
state	The state of the operation.

See also

ISimulator

OperationState

Implemented in Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::IConditionalOperation< Time >, Circuits::IConditionalOperation< Types::time_type >, Circuits::MeasurementOperation< Time >, Circuits::NoOperation< Time >, Circuits::PhaseGate< Time >, Circuits::XGate< Time >, Circuits::XGate< Types::time_type >, Circuits::YGate< Time >, Circuits::ZGate< Time >, Circuits::HadamardGate< Time >, Circuits::SGate< Time >, Circuits::SdgGate< Time >, Circuits::TGate< Time >, Circuits::TdgGate< Time >, Circuits::SxGate< Time >, Circuits::SxDagGate< Time >, Circuits::KGate< Time >, Circuits::RxGate< Time >, Circuits::RyGate< Time >, Circuits::RzGate< Time >, Circuits::UGate< Time >, Circuits::SwapGate< Time >, Circuits::CXGate< Time >, Circuits::CYGate< Time >, Circuits::CZGate< Time >, Circuits::CPGate< Time >, Circuits::CRxGate< Time >, Circuits::CRyGate< Time >, Circuits::CRzGate< Time >, Circuits::CHGate< Time >, Circuits::CSxGate< Time >, Circuits::CSxDagGate< Time >, Circuits::CUGate< Time >, Circuits::CCXGate< Time >, Circuits::CSwapGate< Time >, Circuits::Random< Time >, and Circuits::Reset< Time >.

GetDelay()

template<typename Time = Types::time_type>

Time Circuits::IOperation< Time >::GetDelay ( ) const

inlineinherited

Get the delay of the operation.

Returns the delay due of the execution time of the operation.

Returns

The delay of the operation.

Definition at line 497 of file Operations.h.

Referenced by Circuits::ConditionalGate< Time >::Clone(), Circuits::MeasurementOperation< Time >::Clone(), Circuits::NoOperation< Time >::Clone(), Circuits::PhaseGate< Time >::Clone(), Circuits::XGate< Time >::Clone(), Circuits::YGate< Time >::Clone(), Circuits::ZGate< Time >::Clone(), Circuits::HadamardGate< Time >::Clone(), Circuits::SGate< Time >::Clone(), Circuits::SdgGate< Time >::Clone(), Circuits::TGate< Time >::Clone(), Circuits::TdgGate< Time >::Clone(), Circuits::SxGate< Time >::Clone(), Circuits::SxDagGate< Time >::Clone(), Circuits::KGate< Time >::Clone(), Circuits::RxGate< Time >::Clone(), Circuits::RyGate< Time >::Clone(), Circuits::RzGate< Time >::Clone(), Circuits::UGate< Time >::Clone(), Circuits::SwapGate< Time >::Clone(), Circuits::CXGate< Time >::Clone(), Circuits::CYGate< Time >::Clone(), Circuits::CZGate< Time >::Clone(), Circuits::CPGate< Time >::Clone(), Circuits::CRxGate< Time >::Clone(), Circuits::CRyGate< Time >::Clone(), Circuits::CRzGate< Time >::Clone(), Circuits::CHGate< Time >::Clone(), Circuits::CSxGate< Time >::Clone(), Circuits::CSxDagGate< Time >::Clone(), Circuits::CUGate< Time >::Clone(), Circuits::CCXGate< Time >::Clone(), Circuits::CSwapGate< Time >::Clone(), Circuits::Random< Time >::Clone(), Circuits::Reset< Time >::Clone(), and Circuits::ComparableCircuit< Time >::operator==().

GetGateType()

template<typename Time = Types::time_type>

virtual QuantumGateType Circuits::IQuantumGate< Time >::GetGateType ( ) const

pure virtualinherited

Get the type of the quantum gate.

Returns the type of the quantum gate.

Returns

The type of the quantum gate.

See also

QuantumGateType

Implemented in Circuits::PhaseGate< Time >, Circuits::XGate< Time >, Circuits::XGate< Types::time_type >, Circuits::YGate< Time >, Circuits::ZGate< Time >, Circuits::HadamardGate< Time >, Circuits::SGate< Time >, Circuits::SdgGate< Time >, Circuits::TGate< Time >, Circuits::TdgGate< Time >, Circuits::SxGate< Time >, Circuits::SxDagGate< Time >, Circuits::KGate< Time >, Circuits::RxGate< Time >, Circuits::RyGate< Time >, Circuits::RzGate< Time >, Circuits::UGate< Time >, Circuits::SwapGate< Time >, Circuits::CXGate< Time >, Circuits::CYGate< Time >, Circuits::CZGate< Time >, Circuits::CPGate< Time >, Circuits::CRxGate< Time >, Circuits::CRyGate< Time >, Circuits::CRzGate< Time >, Circuits::CHGate< Time >, Circuits::CSxGate< Time >, Circuits::CSxDagGate< Time >, Circuits::CUGate< Time >, Circuits::CCXGate< Time >, and Circuits::CSwapGate< Time >.

Referenced by Circuits::ComparableCircuit< Time >::operator==().

GetNumQubits()

template<typename Time = Types::time_type>

unsigned int Circuits::ThreeQubitsGate< Time >::GetNumQubits ( ) const

inlineoverridevirtual

Get the number of qubits the quantum gate is applied to.

Returns the number of qubits the quantum gate is applied to, in this case 3.

Returns

The number of qubits the quantum gate is applied to: 3.

Implements Circuits::IGateOperation< Time >.

Definition at line 376 of file QuantumGates.h.

GetParams()

template<typename Time = Types::time_type>

virtual std::vector< double > Circuits::IQuantumGate< Time >::GetParams ( ) const

inlinevirtualinherited

Get the gate parameters.

Returns the parameters of the gate.

Returns

A vector with the parameters of the gate, empty if there are no parameters.

Reimplemented in Circuits::PhaseGate< Time >, Circuits::RotationGate< Time >, Circuits::RotationGate< Types::time_type >, Circuits::UGate< Time >, Circuits::CPGate< Time >, Circuits::ControlledRotationGate< Time >, Circuits::ControlledRotationGate< Types::time_type >, and Circuits::CUGate< Time >.

Definition at line 99 of file QuantumGates.h.

Referenced by Circuits::ComparableCircuit< Time >::operator==().

getptr()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::IOperation< Time >::getptr ( )

inlineinherited

Get a shared pointer to this object.

Returns a shared pointer to this object. The object needs to be already wrapped in a shared pointer.

Returns

A shared pointer to this object.

Definition at line 487 of file Operations.h.

GetQubit()

template<typename Time = Types::time_type>

Types::qubit_t Circuits::ThreeQubitsGate< Time >::GetQubit ( unsigned int  index = 0 ) const

inlineoverridevirtual

Get the qubit the quantum gate is applied to.

Returns the qubit the quantum gate is applied to. Either specify zero, one or two for the index or leave it default (0). If anything else is used, it will return UINT_MAX.

Parameters

index

The index of the qubit to get (0, 1 or 2, default value 0).

Returns

The qubit the quantum gate is applied to.

Implements Circuits::IGateOperation< Time >.

Definition at line 404 of file QuantumGates.h.

Referenced by Circuits::CCXGate< Time >::Clone(), and Circuits::CSwapGate< Time >::Clone().

GetType()

template<typename Time = Types::time_type>

OperationType Circuits::IGateOperation< Time >::GetType ( ) const

inlineoverridevirtualinherited

Get the type of the operation.

Get the type of the operation, in this case, gate.

Returns

The type of the operation, gate in this case.

See also

OperationType

Reimplemented from Circuits::IOperation< Time >.

Definition at line 621 of file Operations.h.

References Circuits::kGate.

IsClifford()

template<typename Time = Types::time_type>

virtual bool Circuits::IOperation< Time >::IsClifford ( ) const

inlinevirtualinherited

Checks if the operation is a Clifford one.

Checks if the operation is a Clifford one, allowing to be simulated in a stabilizers simulator.

Returns

True if it can be applied in a stabilizers simulator, false otherwise.

Reimplemented in Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::IConditionalOperation< Time >, Circuits::IConditionalOperation< Types::time_type >, Circuits::MeasurementOperation< Time >, Circuits::NoOperation< Time >, Circuits::PhaseGate< Time >, Circuits::XGate< Time >, Circuits::XGate< Types::time_type >, Circuits::YGate< Time >, Circuits::ZGate< Time >, Circuits::HadamardGate< Time >, Circuits::SGate< Time >, Circuits::SdgGate< Time >, Circuits::SxGate< Time >, Circuits::SxDagGate< Time >, Circuits::KGate< Time >, Circuits::UGate< Time >, Circuits::SwapGate< Time >, Circuits::CXGate< Time >, Circuits::CYGate< Time >, Circuits::CZGate< Time >, Circuits::Random< Time >, and Circuits::Reset< Time >.

Definition at line 516 of file Operations.h.

IsConditional()

template<typename Time = Types::time_type>

virtual bool Circuits::IOperation< Time >::IsConditional ( ) const

inlinevirtualinherited

Find if the operation is a conditional operation.

Returns true if the operation is conditional, false otherwise.

Returns

True if the operation is conditional, false otherwise.

Definition at line 458 of file Operations.h.

References Circuits::IOperation< Time >::GetType(), Circuits::kConditionalGate, Circuits::kConditionalMeasurement, and Circuits::kConditionalRandomGen.

NeedsEntanglementForDistribution()

template<typename Time = Types::time_type>

virtual bool Circuits::IOperation< Time >::NeedsEntanglementForDistribution ( ) const

inlinevirtualinherited

Find if the operation needs entanglement for distribution.

Returns true if the operation needs entanglement for distribution, false otherwise.

Returns

True if the operation needs entanglement for distribution, false otherwise.

Reimplemented in Circuits::Circuit< Time >, and Circuits::Circuit< Types::time_type >.

Definition at line 446 of file Operations.h.

References Circuits::IOperation< Time >::AffectedQubits(), Circuits::IOperation< Time >::GetType(), Circuits::kConditionalGate, and Circuits::kGate.

Remap()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::ThreeQubitsGate< Time >::Remap ( const std::unordered_map< Types::qubit_t, Types::qubit_t > &  qubitsMap, const std::unordered_map< Types::qubit_t, Types::qubit_t > &  bitsMap = {}  ) const

inlineoverridevirtual

Get a shared pointer to a remapped operation.

Returns a shared pointer to a copy of the operation with qubits and classical bits changed according to the provided maps.

Parameters

qubitsMap	The map of qubits to remap.
bitsMap	The map of classical bits to remap.

Returns

A shared pointer to the remapped object.

Implements Circuits::IOperation< Time >.

Definition at line 436 of file QuantumGates.h.

SetDelay()

template<typename Time = Types::time_type>

void Circuits::IOperation< Time >::SetDelay ( Time  d )

inlineinherited

Set the delay of the operation.

Sets the delay due of the execution time of the operation.

Parameters

d	The delay of the operation.

Definition at line 505 of file Operations.h.

SetQubit()

template<typename Time = Types::time_type>

void Circuits::ThreeQubitsGate< Time >::SetQubit ( Types::qubit_t  q, unsigned long  index = 0  )

inlineoverridevirtual

Set the qubit the quantum gate is applied to.

Sets the qubit the quantum gate is applied to. Either specify zero, one or two for the index or leave it default (0).

Parameters

q	The qubit the quantum gate is applied to.
index	The index of the qubit to set (0, 1 or 2, default value 0).

Implements Circuits::IGateOperation< Time >.

Definition at line 386 of file QuantumGates.h.

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

• QuantumGates.h