pennylane

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Automatic update of stable requirement files to snapshot valid python environments. Because bots are not able to trigger CI on their own, please do so by pushing an empty commit...

github-actions[bot]

Implement `ExpectationMP.process_counts`

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# Context Currently, our sample-based measurement processes that inherit from `SampleMeasurement` implement a [process_samples](https://github.com/PennyLaneAI/pennylane/blob/a05ae286c5925e0c881099cea751193d368779fc/pennylane/measurements/measurements.py#L535) method. This method is capable of turning any samples (array of int64) into the required measurement...

albi3ro

Implement process counts in ExpectationMP, VarianceMP and CountsMP

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**Context:** Under #4941 abstract method `process_counts` was added to `SampleMeasurement`. This method provides support to process counts dictionary produced by external systems. **Description of the Change:** * Implement `process_counts` in...

Tarun-Kumar07

Remove dtype promotion in pauli rep of scalar products with tensorflow

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fix for https://github.com/PennyLaneAI/pennylane/issues/5245 [sc-57300]

Qottmann

Implement FABLE as a Template (issue #4848)

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**Context:** Implemented a new template for issue 4848 **Description of the Change:** Implements FABLE as a template to efficiently encodes the block matrix. **Benefits:** **Possible Drawbacks:** **Related GitHub Issues:** https://github.com/PennyLaneAI/pennylane/issues/4848

austingmhuang

trim lightning dev version in stable deps

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**Context:** Every time there's a new merge to lightning master, the version on the test PyPI repo gets bumped. This causes noisy commits like [this one](https://github.com/PennyLaneAI/pennylane/pull/5250/commits/0a537929f8224b5fdc8d5717324e8897270a4fd9) for test suites that...

timmysilv

fix QubitDensityMatrix for subsystems with jit on default.mixed

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I started this in #5203, but missed the case when it's only applied to a subset of the device wires. This handles that case now as well Fixes #5235

timmysilv

Upgrade null.qubit to the new device API

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**Context:** null.qubit doesn't quite do everything as it should, so it needs an upgrade of sorts. **Description of the Change:** Port null.qubit to the new Device API. The diff for...

timmysilv

`qml.Reflection` Operation

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First block of the Amplitude amplification algorithm toolkit project Example: ```python @qml.prod def generator(wires): qml.Hadamard(wires=wires) U = generator(wires=0) dev = qml.device('default.qubit') @qml.qnode(dev) def circuit(): # Initialize to the state |1>...

KetpuntoG

Jitting Projector gives ValueError

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Towards #4977. Opened a new PR, please review and let me know if I need to do anything else. [sc-52777]

AnuravModak