def coin

unified-nsga-iii@0.2.2.0 · tournament.bend:34

import Base
import unified-nsga-iii@0.2.2.0/individual.bend as Ind
import unified-nsga-iii@0.2.2.0/rng.bend as Rng

34def coin(a: Ind.Individual, b: Ind.Individual, rng: Rng.State) -> Rng.State & Ind.Individual:
35  +rng2 = Rng.next_double(rng)
36  (rng2, Bool.pick(Ind.Individual, F32.is_lt(Rng.last_double(rng2), 0.5), a, b))