[Sc-devel] UGen - bipolar unipolar

[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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