Tournament.prepare: def of unified-nsga-iii@0.2.2.0
Import: import unified-nsga-iii@0.2.2.0/tournament.bend as Tournament
Lines 241-245 of unified-nsga-iii@0.2.2.0/tournament.bend: https://jend.leeeet.dev/read.txt?path=unified-nsga-iii@0.2.2.0/tournament.bend&start_line=241&end_line=245

import Base
import unified-nsga-iii@0.2.2.0/individual.bend as Ind
import unified-nsga-iii@0.2.2.0/non_dominated_sort.bend as NDS
import unified-nsga-iii@0.2.2.0/normalization.bend as Norm
import unified-nsga-iii@0.2.2.0/survival.bend as Surv

# Recompute ranks + niche association (C# PrepareForSelection). Threads
# the persistent Normalization state.
def prepare(+pop: List<&2, Ind.Individual>, +dirs: List<&2, List<&2, F32>>, state: Norm.State) -> Norm.State & List<&2, Ind.Individual>:
  +fronts = NDS.sort(pop)
  prepare.with(dirs, pop, fronts, Norm.normalize_nd_cv(state, pop, Surv.front0(fronts)))

Uses (9):
  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=Pair
  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/non_dominated_sort.bend&name=sort
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/normalization.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/normalization.bend&name=normalize_nd_cv
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/survival.bend&name=front0
  https://jend.leeeet.dev/definition.txt?path=unified-nsga-iii@0.2.2.0/tournament.bend&name=prepare.with