Projectors

Functions for effecting projectors which break the state normalisation. More...

Functions
void	applyMultiQubitProjector (Qureg qureg, int *qubits, int *outcomes, int numQubits)
void	applyQubitProjector (Qureg qureg, int target, int outcome)

Detailed Description

Functions for effecting projectors which break the state normalisation.

Function Documentation

applyMultiQubitProjector()

void applyMultiQubitProjector	(	Qureg	qureg,
		int *	qubits,
		int *	outcomes,
		int	numQubits )

Note

Documentation for this function or struct is under construction!

Definition at line 1575 of file operations.cpp.

                                                                                      {
    validate_quregFields(qureg, __func__);
    validate_targets(qureg, qubits, numQubits, __func__);
    validate_measurementOutcomesAreValid(outcomes, numQubits, __func__);
 
    qreal prob = 1;
    auto qubitList = lists_getList64(qubits, numQubits);
    auto outcomeList = lists_getList64(outcomes, numQubits);
 
    // density matrix has an optimised func in lieu of calling the statevector func twice
    (qureg.isDensityMatrix)?
        localiser_densmatr_multiQubitProjector(qureg, qubitList, outcomeList, prob):
        localiser_statevec_multiQubitProjector(qureg, qubitList, outcomeList, prob);
}

Referenced by applyMultiQubitProjector().

applyQubitProjector()

void applyQubitProjector	(	Qureg	qureg,
		int	target,
		int	outcome )

Note

Documentation for this function or struct is under construction!

Definition at line 1559 of file operations.cpp.

                                                               {
    validate_quregFields(qureg, __func__);
    validate_target(qureg, target, __func__);
    validate_measurementOutcomeIsValid(outcome, __func__); 
    
    qreal prob = 1;
 
    auto targList    = lists_getList64({target});
    auto outcomeList = lists_getList64({outcome});
 
    // density matrix has an optimised func in lieu of calling the statevector func twice
    (qureg.isDensityMatrix)?
        localiser_densmatr_multiQubitProjector(qureg, targList, outcomeList, prob):
        localiser_statevec_multiQubitProjector(qureg, targList, outcomeList, prob);
}