Re: two_pi ?

[Sergei Steshenko]

--- On Thu, 8/23/12, Lukas Reichlin <address@hidden> wrote:

> From: Lukas Reichlin <address@hidden>
> Subject: Re: two_pi ?
> To: "Sergei Steshenko" <address@hidden>
> Cc: address@hidden
> Date: Thursday, August 23, 2012, 1:02 AM
> 
> On 22.08.2012, at 23:58, Sergei Steshenko wrote:
> 
> > Hello,
> > 
> > since I' dealing with signals/DSP a lot, and since by
> definition
> > 
> > omega = 2 * pi
> > 
> > , in almost every script of mine I have
> > 
> > two_pi = 2 * pi;
> > 
> > line. And in many functions too, of course.
> > 
> > Is there a built-in two_pi constant ? If not, would the
> developers please introduce it ?
> > 
> > Thanks,
> >  Sergei.
> 
> How about  2pi  ?
> 
> It is possible to write  2i  instead of 
> 2*i  , so why not  2pi  instead of  2*
> pi  ? I don't know whether it's hard to implement or if
> there are any unwanted side effects, though.
> 
> Lukas
> 
> 

I meant not only name, but also constant folding, i.e. getting rid of 
multiplication.

OTOH, maybe Octave interpreter is smart enough to do constant folding ?

Thanks,
  Sergei.