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def dtlz1_fi

unified-nsga-iii@0.2.2.0 · problems.bend:347

import unified-nsga-iii@0.2.2.0/problems.bend as Problems
import Base

347# C# Dtlz1Problem: 0.5*(1+g) * prod_{j<M-i-1} x[j] [* (1-x[M-i-1]) if i>0].
348def dtlz1_fi(+x: List<&2, F32>, +m: Nat, +g: F32, +i: Nat) -> F32:
349  +idx = pred(Nat.sub(m, i))
350  dtlz1_scale(F32.mul(F32.mul(0.5, F32.add(1.0, g)), prod_xs(x, idx)), x, idx, Nat.is_eq(i, 0n))

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