def oneLR(mumax, mu):
""" One term of the Lai & Robbins lower bound for Exponential arms: (mumax - mu) / KL(mu, mumax). """
return (mumax - mu) / klExp(mu, mumax)
def kl(x, y):
""" The kl(x, y) to use for this arm."""
return klExp(x, y)