g?ZdZddlmZddddddZdd d ddd Zd Zd ZdZdZdZ dZ dS)z Functions to extract device error parameters from backend properties. We assume the structure of the class `BackendProperties` in `qiskit-ibm-runtime`. )infgeAg.Ag@@)smsuµsusnsg& .>gư>gMbP?)HzKHzMHzGHzTHzcg}|jD]}|j}|j}d}t|jd}t |dr:|j}t |dr#|t|j dz}d}t|jd}t |dr|j}| ||||f|S)a Return parameter error values from a devices BackendProperties. Args: properties (BackendProperties): device backend properties We assume the structure of the class `BackendProperties` in `qiskit-ibm-runtime` Returns: list: A list of tuples ``(name, qubits, time, error)``. If gate error or gate_length information is not available ``None`` will be returned for value. N gate_lengthvalueunitr gate_error gatesgatequbits_check_for_item parametershasattrr_NANOSECOND_UNITSgetrappend) propertiesvaluesrnamerr time_paramr error_params X/granary/edev/quantum/lib/python3.11/site-packages/qiskit_aer/noise/device/parameters.pygate_param_valuesr#sF ??y $T_mDD :w ' ' I$*Kz6** I044Z_aHHH  %do|DD ; ( ( +$*J tV[*=>>>> Mcg}|jD]V}|j}|j}d}t|jd}t |dr|j}||||fW|S)a Return gate error values from a devices BackendProperties. Args: properties (BackendProperties): device backend properties We assume the structure of the class `BackendProperties` in `qiskit-ibm-runtime` Returns: list: A list of tuples ``(name, qubits, value)``. If gate error information is not available ``None`` will be returned for value. Nrr)rrrrrrrrrrrrrrparamss r"gate_error_valuesr(=syF --y ,?? 67 # # !LE tVU+,,,, Mr$c,g}|jD]}|j}|j}d}t|jd}t |dr:|j}t |dr#|t|j dz}| |||f|S)a Return gate length values from a devices BackendProperties. Args: properties (BackendProperties): device backend properties We assume the structure of the class `BackendProperties` in `qiskit-ibm-runtime` Returns: list: A list of tuples ``(name, qubits, value)``. If gate length information is not available ``None`` will be returned for value. Additional Information: Gate length values are returned in nanosecond (ns) units. Nrrrrrr&s r"gate_length_valuesr*VsF - -y -@@ 67 # # ?LEvv&& ?*..v{A>>> tVU+,,,, Mr$cFg}|jD]}d}t|d}t|d}t|d}t|drt|dr|j|jg}nt|dr|j|jg}|||S)a Return readout error values from a devices BackendProperties. Args: properties (BackendProperties): device backend properties We assume the structure of the class `BackendProperties` in `qiskit-ibm-runtime` Returns: list: A list of readout error values for qubits. If readout error information is not available None will be returned for value. N readout_errorprob_meas1_prep0prob_meas0_prep1r)rrrrr)rr qubit_propsrparams_roerror params_m1p0 params_m0p1s r"readout_error_valuesr3tsF!(   (oFF%k3EFF %k3EFF ; ( ( AW['-J-J A & (9:EE ^W - - A#)>+?@E e Mr$cg}|jD]>}ttt}}}t|d}t|d}t|d}t|dr:|j}t|dr#|t |jdz}t|dr:|j}t|dr#|t |jdz}t|dr:|j}t|dr#|t|jdz}| |||f@|S)a  Return T1, T2 and frequency values from a devices BackendProperties. Args: properties (BackendProperties): device backend properties We assume the structure of the class `BackendProperties` in `qiskit-ibm-runtime` Returns: list: A list of tuples ``(T1, T2, freq)`` for each qubit in the device. If :math:`T_1`, :math:`T_2`, or frequency cannot be found for qubit a value of ``Numpy.inf`` will be used. Additional Information: :math:`T_1` and :math:`T_2` values are returned in nanosecond (ns) units and frequency is returned in gigahertz (GHz) units if ``unit`` for each ``value`` is provided in ``properties``. Otherwise, the raw values (in unknown original units) are returned. T1T2 frequencyrrr) rrrrrrrr _GHZ_UNITSr) rrr/t1t2freq t1_params t2_params freq_paramss r"thermal_relaxation_valuesr?sR&F!(&& CB$K66 #K66 %k;??  9g & & ?By&)) ?'++INA>>> 9g & & ?By&)) ?'++INA>>> ; ( ( <$D{F++ < {'7;;; r2tn%%%% Mr$c8fd|D}|sdS|dS)z%Search list for item with given name.c*g|]}|jk |S)r).0itemrs r" z#_check_for_item..s%::: T(9(9(9(9(9r$NrrB)lstrfiltereds ` r"rrs3:::::::H t{r$N) __doc__numpyrrr8r#r(r*r3r?rrBr$r"rJs SCqIId1S I I    F2<:000fr$