fix(emulated): MulConst negative constant handling and correct mul-check formula comment #1603
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…eck formula comment
ivokub
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Sep 17, 2025
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ivokub
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Thanks! Good catch with the negative sign.
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Correct the modular multiplication formula comment from “ab = rkp” to “ab = r + kp”, aligning with the documented identity used across the package.
Add a missing return in MulConst when c < 0 to avoid a dead recursive call that adds unnecessary constraints and then discards the result. This keeps behavior unchanged but removes redundant work and improves efficiency.