Handle overflow in addition plus k classical function

quantumlib / Qualtran

Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.

https://qualtran.readthedocs.io/en/latest/

Apache License 2.0

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Closed dstrain115 closed 4 months ago

dstrain115 commented 4 months ago

Handle bitwise overflow in addition plus k.
All other arithmetic functions either handle overflow correctly or have enough bits in the output to avoid overflow.

Fixes: #607