PauliStr

Functions for pre- or post-multiplying a tensor product of Pauli operators (as a PauliStr) upon density matrices. More...

Functions
void	leftapplyPauliStr (Qureg qureg, PauliStr str)
void	rightapplyPauliStr (Qureg qureg, PauliStr str)

Detailed Description

Functions for pre- or post-multiplying a tensor product of Pauli operators (as a PauliStr) upon density matrices.

Function Documentation

leftapplyPauliStr()

void leftapplyPauliStr	(	Qureg	qureg,
		PauliStr	str )

Note

Documentation for this function or struct is under construction!

See also

• leftapplyCompMatr1()
• applyPauliStr()

Definition at line 441 of file multiplication.cpp.

                                                  {
    validate_quregFields(qureg, __func__);
    validate_pauliStrTargets(qureg, str, __func__);
 
    localiser_statevec_anyCtrlPauliTensor(qureg, {}, {}, str);
}

Referenced by leftapplyMultiQubitNot().

rightapplyPauliStr()

void rightapplyPauliStr	(	Qureg	qureg,
		PauliStr	str )

Note

Documentation for this function or struct is under construction!

See also

• rightapplyCompMatr1()
• applyPauliStr()

Definition at line 448 of file multiplication.cpp.

                                                   {
    validate_quregFields(qureg, __func__);
    validate_quregIsDensityMatrix(qureg, __func__);
    validate_pauliStrTargets(qureg, str, __func__);
 
    qcomp factor = paulis_getSignOfPauliStrConj(str); // undo transpose
    str = paulis_getShiftedPauliStr(str, qureg.numQubits);
    localiser_statevec_anyCtrlPauliTensor(qureg, {}, {}, str, factor);
}

Referenced by rightapplyMultiQubitNot().