Semantics of ^^

[Phil Deets]

On Tue, 08 Dec 2009 16:44:46 -0500, Phil Deets <pjdeets2 at gmail.com> wrote:

> I think n is always non-negative in the trig series, but some Laurent  
> series use negative n values. So (-1)^^n might be useful for negative n,  
> but you could always rewrite it as (n%2 ? -1 : 1) or ~(n&1)+1.

Oops, ~(n&1)+1 doesn't work, but ~((n&1)<<1)+2 does.

-- 
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/