bay.cdf: Bay cumulative density function, corresponding to -B(t+)/B(t-), where B(t+) (resp. B(t-)) is the maximum (resp.minimum) of B(t)/(t*(1-t)).
Description
Bay cumulative density function, corresponding to
-B(t+)/B(t-), where B(t+) (resp. B(t-)) is the maximum
(resp.minimum) of B(t)/(t*(1-t)).