Qiskit/qiskit-terra: Qiskit Terra 0.18.0

Changelog Deprecated Deprecate the QiskitIndexError exception class (#6642) Deprecate legacy provider interface (#6337) use ParameterExpression.gradient directly (#6335) Add @property and setter for DAGNode.name (#6199) [WIP] Change attribute most_likely_phase to phase in PhaseEstimator (#6238) Replace DAGNode.condition with DAGNode.op.condition (#6110) Added Pulse optimal decomposition of su4 for CNOT (#6581) Add the option to wrap circuits in QuantumCircuit.compose (#6659) Add dynamical decoupling transpiler pass (#6619) Add align measure pass (#6673) Add settings property to optimizer classes in qiskit.algorithms.optimizers (#6545) BIP mapping pass (#6580) Add PauliList class (#5993) Add support for faulty directed gate (#6407) Move gate, control, and param label selections from 3 circuit drawers to utils (#6078) Add option to sort by values to plot_histogram (#6592) latex-source (and latex) circuit drawer support for standalone (and cleaner output) (#6483) QuantumCircuit.ccx(..., ctrl_state=...) parameter added for consistency with other controlled gates (#6508) Add line_discipline kwarg to job_monitor function (#5691) Allow users to optionally specify Isometry tolerance (#6482) Add option to set encoding when saving Qasm to file (#5842) Add a new transpiler pass to remove all barriers (#6329) Add plain Gradient Descent optimizer (#6459) Arithmetic circuit library: multipliers (#6470) Create function to set user config (#5943) Add StabilizerState class to qiskit.quantum_info.states (#5907) Classical conditioning on individual classical bits now supported (#6018) Added the class RZXCalibrationBuilderNoEcho (#6300) Arithmetic circuit library: Adders (#6164) 2-SPSA and QN-SPSA (#6405) Add distributions results objects (#6377) Add SciPyOptimizer (#6319) Add SciPyOptimizer (#6319) Add qpy serialization format (#5578) Issue 6326 (#6327) Adding IBMQ_guadalupe as a mock backend (#6265) Latex drawings now show numbering of active wires in custom instructions (#6153) Adding Pauli and city to the draw option for statevector (#6146) Changed Wrap library circuits (#6634) Classical condition boxes are now drawn as bullets in text drawer (#6370) Move Gate.label to parent Instruction class (#6626) Make tweedledum a hard requirement (#6588) Don't enable multiprocessing by default on Python 3.9 (#6524) Enable lo frequencies to be passed in circuits (#6167) Using MissingOptionalLibraryError for consistency (#6098) save a PDF file if circuit.draw(..., filename=.pdf) (#6446) Use symengine for parameter and parameter expressions (#6270) Update fake backend and fake provider to use versioned interface (#6286) Support reps=0 in the n-local circuits (#6273) Remove deprecation for pulse instruction parameter method (#6277) Update circuit.delay to accept parameterized duration (Fix #6029) (#6225) ScheduleBlock 4/4 - add ScheduleBlock (#6158) Decompose controlled Pauli rotations in terms of Paulis (#4837) Fixed Fix qasm output for composite gates (#5887) Fix Optimize1qGatesDecomposition length heuristic (#6553) Add Expectation Converter to Gradient Wrapper (#6274) fix bug in layout deletion (#6683) Fixed qc.num_connected_components() for circuits with bit conditioned gates (#6564) Fixed issue 6623 by raising errors for negative delay durations (#6625) Fix calibration handling of transpiler passes on gates with >2 qubits (#6655) fix 6547 (#6562) Delay support when loading from QASM2 (#6594) Improve error handling in creating Pauli with an invalid label (#5911) Fix quantum part of Shor's algorithm (#6310) Fix oracle_evaluation for PhaseOracle (#6365) Fix #6497 (opflow.expectations ignore coefficients) (#6500) TwoLocal entangling map works for numpy integers (#6556) qc.num_connected_components() now returns the correct output (#6519) Fix PiecewiseChebyshev does not work as expected when breakpoints = None (#6210) TwoLocal raises proper exception for reps input that is not int and added unit tests (#6522) Fix adding controls to an open controlled gate (#6309) Fixed NFT optimizer by including argument for args as supplied (#6527) Fix result aggregation when parameterized qobj is enabled with measurement mitigation (#5494) Fixed typo in LinearAmplitudeFunction docstring (#6491) Fix 2 problems with reverse_bits on all 3 circuit drawers (#5938) improve error message for LookaheadSwap pass (#6452) Matplotlib drawer fix for drawing custom instructions with classical register (#6339) Fix addition of PauliSumOp with parameters (#6316) Correctly require is_good_state on AmplificationProblem constructor (#6417) Respect max_experiments in QuantumInstance BackendV1 path (#6391) VQE with L_BFGS_B and P_BFGS supports Gradient (#6373) The text drawings of custom instructions with clbits are now drawn as expected (#6242) Drawing boxes of custom instructions extended to classical bits in latex (#6240) Fix 6159 (Remove Unexpected Warning of PauliExpectation and AerPauliExpectation) (#6281) Typo fix of controlled SWAP gate documentation (#6358) fix optimal num iterations (#6298) BasisTranslator skips translating gates already in target basis (#6350) Support multiplication of TaperedPauliSumOp with ParameterExpression (#6315) Fix behavior of instmap.add when partial function is specified (#6292) Fix schedule inline transform (#6322) plot_histogram does not raise for neg values (#6340) Add support on QuantumInstance/run_circuits for Backends that don't handle QasmQobj (#6299) Fix #6307 (PauliExpectation takes unnecessary adjoint when it converts operators) (#6318) fix empty check of block subroutine (#6325) Fix QuantumState._subsystem_probabilities (#6324) Fix expval pauli qargs bug (#6304) Fixes disassembler error for mcx gate (#6291) fix error when dag_drawer removes a temporary file that is still open (#6266) Fix bug in Pauli.evolve for CZ, CY, Swap (#6287) object generation fix (#6282) Bug fixes for callback function in SPSA (#6253) fix global phase in initializer (#6236) Small fixes in the SparseVectorStateFn (#6272) BooleanExpression expression breaks label in the latex circuit drawer (#6260) Bugfix in clifford instruction name (#6251) Unroller error more descriptive when reaching a node without definition (#6235) Don't remove swaps with conditions in OptimizeSwapBeforeMeasure (#6239) mpl circuit drawer does not change the style dict in-place (#6190) Pulse Builder: fix seconds_to_samples() for numpy arrays (#6213) Better tolerances for gate decompositions (#5827) global phase reverse_bits (#6206) Fix error on construct_circuit 'a' parameter handling (#6216) Allow custom gate color in the MPL circuit drawer (#6184) Fix params for a controlled - UnitaryGate (#5780) better unrolling in preset passmanagers (#6133) Fix SPSA recalibration (#6173) Preserve global phase in Unroller (#6155) Ensure we include all cython files in sdist (#6163) MCZ is now drawn correctly in matplotlib (#5981) (#6008