subcyclopclgp (3/3) bit 1 of flag: finish and certify all computations; bit 2 of flag: don’t compute anything about A+; bit 4 of flag: don’t compute anything about A− . E.g., flag = 1 + 4 (always) computes fully A− but doesn’t compute anything about A+ . Atelier 2022 (13/01/2022) – p. 7/13