Circuits::NoOperation< Time > Class Template Reference

The no operation. More...

#include <Operations.h>

Inheritance diagram for Circuits::NoOperation< Time >:

Collaboration diagram for Circuits::NoOperation< Time >:

Public Member Functions
	NoOperation (Time delay=0)
	Construct a new NoOperation object.
virtual std::vector< size_t >	AffectedBits () const
	Returns the affected bits.
virtual Types::qubits_vector	AffectedQubits () const
	Returns the affected qubits.
virtual bool	CanAffectQuantumState () const
	Find if the operation can affect the quantum state.
std::shared_ptr< IOperation< Time > >	Clone () const override
	Get a shared pointer to a clone of this object.
void	Execute (const std::shared_ptr< Simulators::ISimulator > &sim, OperationState &state) const override
	Execute the operation.
Types::time_type	GetDelay () const
	Get the delay of the operation.
std::shared_ptr< IOperation< Types::time_type > >	getptr ()
	Get a shared pointer to this object.
virtual OperationType	GetType () const
	Get the type of the operation.
virtual bool	IsBranching () const
	Checks if the operation is a branching one.
bool	IsClifford () const override
	Checks if the operation is a Clifford one.
virtual bool	IsConditional () const
	Find if the operation is a conditional operation.
bool	IsNoiseless () const
	Whether noise models skip this 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.
virtual void	SetDelay (Types::time_type d)
	Set the delay of the operation.
void	SetNoiseless (bool value=true)
	Mark the operation as exempt from injected gate noise.

Detailed Description

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

The no operation.

This a an operation that does nothing.

Template Parameters

Time	The type of the delay time parameter.

See also

IOperation

Definition at line 625 of file Operations.h.

Constructor & Destructor Documentation

NoOperation()

template<typename Time = Types::time_type>

Circuits::NoOperation< Time >::NoOperation ( Time delay = 0 )

inline

Construct a new NoOperation object.

Construct a new NoOperation object with the specified execution time.

Parameters

delay

The execution time of the operation.

Definition at line 634 of file Operations.h.

References Circuits::IOperation< Types::time_type >::IOperation().

Member Function Documentation

AffectedBits()

virtual std::vector< size_t > Circuits::IOperation< Types::time_type >::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 523 of file Operations.h.

AffectedQubits()

virtual Types::qubits_vector Circuits::IOperation< Types::time_type >::AffectedQubits ( ) const

inlinevirtualinherited

Returns the affected qubits.

Returns the affected qubits by the operation.

Returns

A vector with the affected qubits.

Reimplemented in Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::ConditionalRandomGen< Time >, Circuits::Delay< Time >, Circuits::IConditionalOperation< Time >, Circuits::IConditionalOperation< Types::time_type >, Circuits::MeasurementOperation< Time >, Circuits::QuantumChannelOperation< Time >, Circuits::Reset< Time >, Circuits::SingleQubitGate< Time >, Circuits::SingleQubitGate< Types::time_type >, Circuits::ThreeQubitsGate< Time >, Circuits::ThreeQubitsGate< Types::time_type >, Circuits::TwoQubitsGate< Time >, and Circuits::TwoQubitsGate< Types::time_type >.

Definition at line 512 of file Operations.h.

CanAffectQuantumState()

virtual bool Circuits::IOperation< Types::time_type >::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 >, Circuits::Circuit< Types::time_type >, Circuits::Delay< Time >, and Circuits::QuantumChannelOperation< Time >.

Definition at line 473 of file Operations.h.

Clone()

template<typename Time = Types::time_type>

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

inlineoverridevirtual

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.

Implements Circuits::IOperation< Types::time_type >.

Definition at line 658 of file Operations.h.

References Circuits::IOperation< Types::time_type >::GetDelay().

Referenced by Remap().

Execute()

template<typename Time = Types::time_type>

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

inlineoverridevirtual

Execute the operation.

Execute the operation on the specified simulator. The execution does nothing, except adding the delay for the execution if a discrete event simulator is used. To not be confused with the simulator passed here as a parameter, which is a quantum simulator.

Parameters

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

See also

ISimulator

OperationState

Implements Circuits::IOperation< Types::time_type >.

Definition at line 648 of file Operations.h.

GetDelay()

Types::time_type Circuits::IOperation< Types::time_type >::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 546 of file Operations.h.

Referenced by Circuits::NoOperation< Time >::Clone().

getptr()

std::shared_ptr< IOperation< Types::time_type > > Circuits::IOperation< Types::time_type >::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 535 of file Operations.h.

GetType()

virtual OperationType Circuits::IOperation< Types::time_type >::GetType ( ) const

inlinevirtualinherited

Get the type of the operation.

Get the type of the operation.

Returns

The type of the operation.

See also

OperationType

Reimplemented in Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::ConditionalGate< Time >, Circuits::ConditionalMeasurement< Time >, Circuits::ConditionalRandomGen< Time >, Circuits::Delay< Time >, Circuits::IGateOperation< Time >, Circuits::IGateOperation< Types::time_type >, Circuits::MeasurementOperation< Time >, Circuits::QuantumChannelOperation< Time >, Circuits::Random< Time >, and Circuits::Reset< Time >.

Definition at line 439 of file Operations.h.

IsBranching()

virtual bool Circuits::IOperation< Types::time_type >::IsBranching ( ) const

inlinevirtualinherited

Checks if the operation is a branching one.

Checks if the operation is a branching one, meaning that it can lead to splitting paths (relevant for the path integral simulator).

Returns

True if it branches a path, false otherwise.

Reimplemented in Circuits::CHGate< Time >, Circuits::Circuit< Time >, Circuits::Circuit< Types::time_type >, Circuits::CRxGate< Time >, Circuits::CRyGate< Time >, Circuits::CSxDagGate< Time >, Circuits::CSxGate< Time >, Circuits::CUGate< Time >, Circuits::HadamardGate< Time >, Circuits::IConditionalOperation< Time >, Circuits::IConditionalOperation< Types::time_type >, Circuits::KGate< Time >, Circuits::RxGate< Time >, Circuits::RyGate< Time >, Circuits::SxDagGate< Time >, Circuits::SxGate< Time >, and Circuits::UGate< Time >.

Definition at line 607 of file Operations.h.

IsClifford()

template<typename Time = Types::time_type>

bool Circuits::NoOperation< Time >::IsClifford ( ) const

inlineoverridevirtual

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 from Circuits::IOperation< Types::time_type >.

Definition at line 688 of file Operations.h.

IsConditional()

virtual bool Circuits::IOperation< Types::time_type >::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 500 of file Operations.h.

IsNoiseless()

bool Circuits::IOperation< Types::time_type >::IsNoiseless ( ) const

inlineinherited

Whether noise models skip this operation.

Returns

True if no gate noise is injected after this operation.

Definition at line 580 of file Operations.h.

NeedsEntanglementForDistribution()

virtual bool Circuits::IOperation< Types::time_type >::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 >, Circuits::Circuit< Types::time_type >, and Circuits::QuantumChannelOperation< Time >.

Definition at line 488 of file Operations.h.

Remap()

template<typename Time = Types::time_type>

std::shared_ptr< IOperation< Time > > Circuits::NoOperation< 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< Types::time_type >.

Definition at line 673 of file Operations.h.

References Clone().

SetDelay()

virtual void Circuits::IOperation< Types::time_type >::SetDelay ( Types::time_type d )

inlinevirtualinherited

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 557 of file Operations.h.

SetNoiseless()

void Circuits::IOperation< Types::time_type >::SetNoiseless ( bool value = true )

inlineinherited

Mark the operation as exempt from injected gate noise.

Noise models add no noise after a noiseless operation. This is for basis changes that belong to a non-Z measurement or reset rather than being gates in their own right. Gate copies (Clone, Remap) keep the mark.

Parameters

value

True to exempt the operation from gate noise.

Definition at line 570 of file Operations.h.

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

• Operations.h