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unify logup sum across table/non-table chip#1282

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hero78119 wants to merge 1 commit intofeat/pi_hash_digestfrom
feat/verifier_lookup_sum
Open

unify logup sum across table/non-table chip#1282
hero78119 wants to merge 1 commit intofeat/pi_hash_digestfrom
feat/verifier_lookup_sum

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@hero78119 hero78119 commented Mar 28, 2026

Previously logup sum for chips might be add or sub depends on chip kind.
This PR unify all operation to add so verifier flow become unify and simple

design rationales

We encode the unification when derive claim tower and gkr-iop circuit. For logup table, we toggle multiplicity with negative while non-table it's remain same as usual

This design keep multiplicity in gkr-iop layer remain positive, and the optional negate are encoded in expression directly

@hero78119 hero78119 requested a review from spherel March 28, 2026 05:46
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