clamped thresholds in nb_of_slices

release-packaging/ignore/Examples/nb_of_slices.scd

@@ -8,7 +8,7 @@ c = Buffer.new(s);
 Routine{
 	var startTime, goal, startThresh, prevThresh, curThresh, curVal, prevVal, iters, maxIters, dVal, dThresh;
 	startTime = Main.elapsedTime;
-	prevThresh = 0.1; //initial threshold
+	prevThresh = 0.1; //initial threshold (between 0.00001 and 0.99999
 	goal = 10; //number of slices desired
 	maxIters = 100; //max number of iterations acceptable
 
@@ -17,9 +17,9 @@ Routine{
 	s.sync;
 	//makes a second iteration
 	if ( (prevVal <  goal), {
-			curThresh = prevThresh * 0.5;
+		curThresh = (prevThresh * 0.5).max(0.000001);
 	}, {
-			curThresh = prevThresh * 2;
+		curThresh = (prevThresh * 2).min(0.999999);
 	});
 	FluidBufNoveltySlice.process(s,b, indices: c, threshold:curThresh,action:{|x|curVal = x.numFrames});
 	s.sync;
@@ -38,10 +38,10 @@ Routine{
 
 		if ( (dVal == 0), {
 			//if we have not change results between the last 2 passes, make the variation of threshold bigger
-			curThresh = dThresh + curThresh;
+			curThresh = (dThresh + curThresh).min(0.999999).max(0.000001);
 		},{
 			//if we have
-			curThresh = ((dThresh / dVal) * (goal - curVal)) + curThresh;
+			curThresh = (((dThresh / dVal) * (goal - curVal)) + curThresh).min(0.999999).max(0.000001);
 		});
 		FluidBufNoveltySlice.process(s,b, indices: c, threshold:curThresh,action:{|x|curVal = x.numFrames});
 		s.sync;