def q_start
import bendtorch@1.3.0.0/main.bend as Bendtorchimport Base
912# 1 - b^t starts at 0; a configuration OptCfg.ok rejects starts at NaN, so every loss after the first is NaN.
913def q_start(ok: Bool) -> F32:
914 match ok:
915 case True{}:
916 0.0
917 case False{}:
918 (0.0 / 0.0 : F32)