mirror of https://github.com/Qiskit/qiskit.git
13 lines
779 B
YAML
13 lines
779 B
YAML
---
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deprecations:
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- |
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Assignment of complex values to ``ParameterExpression`` in any Qiskit Pulse object
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now raises a ``PendingDeprecationWarning``. This will align the Pulse module with
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other modules where such assignment wasn't possible to begin with. The typical use
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case for complex parameters in the module was the SymbolicPulse library. As of
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Qiskit-Terra 0.23.0 all library pulses were converted from complex amplitude
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representation to real representation using two floats (amp,angle), as used in the
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``ScalableSymbolicPulse`` class. This eliminated the need for complex parameters.
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Any use of complex parameters (and particularly custom-built pulses) should be
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converted in a similar fashion to avoid the use of complex parameters.
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