-// GP_Circ circ = new GP_Circ(new double[]{-length*0.5, 0.0, 0.0,1.0,0.0,0.0}, radius);
-// GP_Circ circ2 = new GP_Circ(new double[]{length*0.5, 0.0, 0.0,1.0,0.0,0.0}, radius2);
-// System.out.println("Reducer " + length + " " + radius + " " + radius2);
+ if (radius < MathTools.NEAR_ZERO || radius2 < MathTools.NEAR_ZERO)
+ return Collections.emptyList();