Re: [Sc-devel] UGen - bipolar unipolar

["Dan Stowell" <danstowell@xxxxxxxxx>]

Looks innocent enough to me. But why not have the mul args default to
1? Would simplify the bipolar method a little, and would make it
possible to just write things like SinOsc.ar(300).unipolar

Dan


2008/1/11, Julian Rohrhuber <rohrhuber@xxxxxxxxxxxxxx>:
> would this be practical?
> it seems that it could be more efficient in some graph generation
> systems to do this.
>
>
> Index:
> /Volumes/data/sc/SuperCollider3/build/SCClassLibrary/Common/Audio/UGen.sc
> ===================================================================
> ---
> /Volumes/data/sc/SuperCollider3/build/SCClassLibrary/Common/Audio/UGen.sc
> (revision 6913)
> +++
> /Volumes/data/sc/SuperCollider3/build/SCClassLibrary/Common/Audio/UGen.sc
> (working copy)
> @@ -71,6 +71,23 @@
>                          ^LinExp.multiNew(rate, this, 0, 1, lo, hi)
>                  });
>          }
> +
> +       unipolar { arg mul;
> +               ^this.range(0, mul)
> +       }
> +
> +       bipolar { arg mul;
> +               ^if(mul.isNumber) {
> +                       this.range(mul.neg, mul)
> +               } {
> +                       if(mul.isNil) {
> +                               this.range(-1, 1)
> +                       } {
> +                               this.range(-1, 1) * mul
> +                       }
> +               }
> +       }
> +
>
>
> --
>
>
>
>
>
> .
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