Ensure 0 <= x mod N < N semantics #484
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mgehre-amd
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Mar 6, 2025
mgehre-amd
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Mar 6, 2025
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inferRemSis a signed mod. We want to infer with signed bounds (soinferRemUis not suitable [1]), but return a result between 0 and (mod factor)-1 (a true Euclidean division remainder).[1]
signedRemUforaffine_map<(d0) -> (d0 mod 5)>, lbs = [-4], ubs = [-2]would giveexpr_lb = [2], expr_ub = [4]as a result.