[loglikelyr,loglikelys,loglikelyn] = ...
NormLogLikelyRatio(x,un,varn,us,vars)
Compute log of the likelyhood ratio l(x) for univariate.
Normally distributed signal and noise distributions.
xx/xx/xx dhb Wrote it.
Psychtoolbox/Psychometric/NormLogLikelyRatio.m