def sigma_of
import mlbend-generative@0.1.1.0/main.bend as MlbendGenerativeimport Base
348def sigma_of(+abar: F32, +abar_prev: F32, +eta: F32) -> F32:
349 +above = F32.max(0.0, (1.0 - abar_prev : F32))
350 +below = F32.max(0.0, (1.0 - (abar / abar_prev : F32) : F32))
351 (eta * (F32.sqrt((above / (1.0 - abar : F32) : F32)) * F32.sqrt(below) : F32) : F32)