Survival.associate_raw.go: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/survival.bend as Survival
Lines 271-295 of unified-nsga-iii@0.2.2.0/survival.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&start_line=271&end_line=295

import Base
import unified-nsga-iii@0.2.2.0/individual.bend as Ind
import unified-nsga-iii@0.2.2.0/util.bend as Util

# Nearest-ref per individual is independent given dirs. Mid-split pop and F.
def associate_raw.go(
  +dirs: List<&2, List<&2, F32>>,
  +fuel: Nat,
  pop: List<&2, Ind.Individual>,
  +F: List<&2, List<&2, F32>>
) -> List<&2, Assignment>:
  match fuel pop:
    case 0n Nil{}:
      Nil{}
    case 0n ind <> rest:
      match F:
        case Nil{}:
          nearest_one(Ind.objectives(ind), dirs) <> associate_raw.go(dirs, 0n, rest, Nil{})
        case f <> fs:
          nearest_one(f, dirs) <> associate_raw.go(dirs, 0n, rest, fs)
    case 1n+p Nil{}:
      Nil{}
    case 1n+p ind <> Nil{}:
      associate_head(dirs, ind, F) <> Nil{}
    case 1n+p h <> t:
      +all = {h <> t : List<&2, Ind.Individual>}
      +mid = Nat.div(Util.list_len(Ind.Individual, all), 2n)
      lo hi = associate_raw.go(dirs, p, List.take(&2, Ind.Individual, all, mid), List.take(&2, List<&2, F32>, F, mid)) associate_raw.go(dirs, p, List.drop(&2, Ind.Individual, all, mid), List.drop(&2, List<&2, F32>, F, mid))
      List.append(&2, Assignment, lo, hi)

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.drop
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.take
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.div
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/individual.bend&name=Individual
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/individual.bend&name=objectives
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=Assignment
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=associate_head
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=nearest_one
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/util.bend&name=list_len