class CompositionMeasure(ApproximateZeroConcentratedDivergence):
def composability( self, adaptivity: Adaptivity
) -> Composability:
return Composability.Sequential
def compose(self, d_mids: Vec[Self_Distance]) -> Self_Distance:
rho_g, del_g = 0.0, 0.0
for rho_i, del_i in d_mids:
rho_g = rho_g.inf_add(rho_i)
del_g = del_g.inf_add(del_i)
return rho_g, del_g