Improve parameter scaling - #8451
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Jens Hedegaard Nielsen (jenshnielsen) wants to merge 3 commits into
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The scale and offset conversions assume a numeric data type and rely on catching TypeError, which does not fit the generic parameter data type. They were expressed inline, so the working variable was repeatedly narrowed to whatever the last branch assigned, and each step needed a suppression. Move them into four module level helpers that take and return Any. This keeps the arithmetic out of the generic class, deduplicates the iterable and scalar branches, and drops the suppressions in this file from 15 to 3. Also stop routing issuperset through __contains__, which ty cannot resolve on Self when the class type parameter has a bound.
Cover the iterable branches of the set path helpers, the TypeError fallbacks and re-raise of the get path helpers, and add direct unit tests for the four module level helpers. Also add the missing tests for ParameterSet.issubset/issuperset. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: e8c5964a-6418-4d35-b69c-bb44dd727a3c
Multiplying a sequence by a number repeats it rather than scaling its elements, so setting a parameter to a list with a scalar scale silently set a repeated raw value, and a scalar offset raised a TypeError. The get path already falls back on element wise arithmetic; do the same on the set path so that sequences round trip. See microsoft#8450 for the remaining silent truncation on length mismatch. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: e8c5964a-6418-4d35-b69c-bb44dd727a3c
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