simplification of products of gamma functions & bfloat bug
Subject: simplification of products of gamma functions & bfloat bug
From: Raymond Toy
Date: Sun, 22 Feb 2009 20:15:39 -0500
Barton Willis wrote:
> Is there a Maxima function that simplifies (%o47) to 1? The composition
> minfactorial(makefact(...)) doesn't simplify (%o47) to 1. Also, maybe it
> has already been fixed, but (%o48) shows a bug:
>
> (%o47) (gamma(1/7)*gamma(4/21)*gamma(17/21)*gamma(6/7)-gamma(4/21)*gamma
> (10/21)*gamma(11/21)*gamma(17/21))/(gamma(1/7)*gamma(10/21)*gamma
> (11/21)*gamma(6/7))
>
> (%i48) [float(%), bfloat(%)];
> (%o48) [1.0,2.220446049250212b-16]
>
>
%o48 has been fixed. bfloat returns 1b0.
Ray