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RELEASE_NOTES.rst

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qupulse 0.7 (2022-10-05)

Features

  • Add optional numba uses in some cases. (#501)

  • Add initial_values and final_values attributes to PulseTemplate.

    This allows pulse template construction that depends on features of arbitrary existing pulses i.e. like extension until a certain length. (#549)

  • Support sympy 1.9 (#615)

  • Add option to automatically reduce the sample rate of HDAWG playback for piecewise constant pulses. Use qupulse._program.seqc.WaveformPlayback.ENABLE_DYNAMIC_RATE_REDUCTION to enable it. (#622)

  • Add a TimeReversalPT. (#635)

  • Add specialied parameter Scope for ForLoopPT. This increases performance by roughly a factor of 3 for long ranges! (#642)

  • Add sympy 1.10 support and make ExpressionVector hashable. (#645)

  • Serializable is now comparable via it's get_serialized_data. PulseTemplate implements Hashable via the same. (#653)

  • Add an interface that uses atsaverage.config2. (#686)

Bugfixes

  • floor will now return an integer in lambda expressions with numpy to allow usage in ForLoopPT range expression. (#612)

Deprecations and Removals

  • Drop cached_property dependency for python>=3.8. (#638)
  • Add frozendict dependency to replace handwritten solution. Not having it installed will break in a future release when the old implementation is removed. (#639)
  • Drop python 3.6 support. (#656)

qupulse 0.6 (2021-07-08)

Features

  • Add evaluate_with_exact_rationals method to ExpressionScalar (#546)
  • New feature based AWG abstraction. Can be found in qupulse.hardware.feature_awg. Allows easier code reuse across awg drivers. (#557)
  • Add ConstantPulseTemplate (#565)
  • Add interface to use atsaverage auto rearm (#566)
  • Adds the methods is_constant, constant_value_dict and constant_value to Waveform class to allow more efficient AWG usage. (#588)

Bugfixes

  • Fix TimeType comparisons with non-finite floats (inf, -inf, NaN) (#536)
  • Improve alazar usability:
    • Do not touch the default config when arming a measurement
    • Keep current config in a seperate field
    • Extend record to a multiple of a configurable value (4KB by default) (#571)
  • Replace pytabor and teawg with tabor_control to support newer(>=1.11) pyvisa versions (#599)
  • Fix repr of ExpressionScalar when constructed from a sympy expression. Also replace Expression with ExpressionScalar in repr. (#604)

Deprecations and Removals

  • Deprecate HashableNumpyArray due to its inconsistency. (#408)
  • Drop support for python 3.5 (#504)
  • Remove deprecated external_parameters keyword argument from SequencePT and AtomicMultiChannelPT (#592)
  • Deprecate boolean duration argument of AtomicMultiChannelPulseTemplate and remove duration check in __init__. (#593)

0.5.1

  • General:
    • Unify TimeType.from_float between fractions and gmpy2 backend behaviour (fixes issue 529).

0.5

  • General:
    • Improve TimeType consistency by leveraging str(float) for rounding by default.
    • Add support for sympy==1.5
    • Add volatile parameters. Repetition counts can now be changed at runtime in some cases (useful for DNP). See volatile kwarg of create_program
  • Hardware:
    • Add a measure_program method to the DAC interface. This method is used by the QCoDeS integration.
    • Add a set_measurement_mask to DAC interface. This method is used by the QCoDeS integration.
    • Add a get_sample_times util method to share code for exact and fast sample time calculation
    • Add a driver for Tektronix AWG5000/7000
    • Add a driver for Zurich Instruments HDAWG
    • Warn the user if waveforms need to be concatenated to be compatible with hardware requirements.
  • Pulse Templates:
    • Add __repr__ and __format__ for easier inspection
    • MappingPulseTemplate:
      • allow_partial_parameter_mapping is now True as a default. The default can be changed with the class variable MappingPulseTemplate.ALLOW_PARTIAL_PARAMETER_MAPPING.
      • Add specializations for map_parameters because the auto-inference of the return type did not work for empty input.
      • Channels mapped to None are now dropped
    • Add simple arithmetic operations for pulse templates
      • offset and scaling with scalars
      • addition with atomic pulse templates
  • Expressions:
    • Expressions can now be formatted as floats if they do not have free variables
  • Parameters:
    • Replace Parameter class with Scope
    • Parameter class is now deprecated
  • Backward incompatible changes:
    • Removed deprecated classes: - Sequencer: Replaced by PulseTemplate.create_program method - Condition: Never used - InstructionBlock: Old representation of programs. Replaced by Loop - MultiChannelProgram: Was required in the instruction block framework

0.4

  • General:
    • Add utility function qupulse.utils.types.has_type_interface and use it to circumvent autoreload triggered isinstance fails
    • Add utility function qupulse.utils.time_from_fraction to make creation from numerator and denominator obvious.
  • Pulse Templates:
    • MappingPulseTemplate:
      • Raise a ValueError if more than one inner channel is mapped to the same outer channel
    • Plotting:
      • Make plotting.render behaviour and return value consistent between calls with InstructionBlock and Loop. Render now always returns 3 arguments.

0.3

  • General:
    • Introduce qupulse.utils.isclose (an alias for math.isclose if available)
    • Dropped support for Python 3.4 in setup.py due to incompatible syntax in qupulse.
    • Official support for Python 3.7 has begun.
  • Pulse Templates:
    • AtomicMultichannelPulseTemplate:
      • Add duration keyword argument & example (see MultiChannelTemplates notebook)
      • Make duration equality check approximate (numeric tolerance)
    • Plotting:
      • Add time_slice keyword argument to render() and plot()
    • Add AbstractPulseTemplate class
    • PointPulseTemplate:
      • Fixed bug in integral evaluation
    • Add ParallelConstantChannelPulseTemplate which allows adding a constant valued channel to an arbitrary pulse template
  • Expressions:
    • Make ExpressionScalar hashable
    • Fix bug that prevented evaluation of expressions containing some special functions (erfc, factorial, etc.)
  • Parameters:
    • ConstantParameter now accepts a Expression without free variables as value (given as Expression or string)

0.2

  • General:
    • officially removed support for Python 3.3 (qupulse and dependencies are not compatible anymore)
  • Serialization / Storage:
    • Added functionality to easily access available content/identifiers in PulseStorage and StorageBackend.
    • DEPRECATED list_contents() of StorageBackend (use contents property instead).
    • DEPRECATED: CachingBackend because its functionality is a subset of PulseStorage.
  • Expressions:
    • Fixed bug in Expression.evaluate_numeric if result is array of numeric sympy objects