def zdt4_f
import unified-nsga-iii@0.2.2.0/problems.bend as Problemsimport Base
import unified-nsga-iii@0.2.2.0/util.bend as Util
235def zdt4_f(+x: List<&2, F32>) -> List<&2, F32>:
236 +x0 = Util.get_f32(x, 0n)
237 +g = zdt4_g(x)
238 x0 <> [F32.mul(g, F32.sub(1.0, F32.sqrt(F32.div(x0, g))))]