Re: [Sc-devel] UGen - bipolar unipolar

[Julian Rohrhuber <rohrhuber@xxxxxxxxxxxxxx>]

> Looks innocent enough to me. But why not have the mul args default to
> 1?

ok, for unipolar this makes sense. I just realized that MulAdd makes 
the optimization already, so bipolar can be simple.

unipolar { arg mul = 1;
 		^this.range(0, mul)
 	}

 bipolar { arg mul = 1;
 		^this.range(mul.neg, mul)
 	}


> 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
> >  +                       }
> >  +               }
> >  +       }
> >  +
> >
> >
> >  --
> >
> >
> >
> >
> >
> >  .
> >  _______________________________________________
> >  Sc-devel mailing list
> >  Sc-devel@xxxxxxxxxxxxxxx
> >  http://lists.create.ucsb.edu/mailman/listinfo/sc-devel
>
>
> --
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