Index: /branches/FACT++_scripts_refactoring/Func.js
===================================================================
--- /branches/FACT++_scripts_refactoring/Func.js	(revision 18225)
+++ /branches/FACT++_scripts_refactoring/Func.js	(revision 18225)
@@ -0,0 +1,53 @@
+'use strict';
+
+if (!("Func" in this))
+{
+    var Func = {
+
+        sum : function(a, b) { 
+        	return a + b; 
+        },
+        sq : function(a, b) { 
+        	return Math.sqrt(a*a + b*b); 
+        },
+        min : function(a, b) { 
+        	return Math.min(a, b); 
+        },
+        max : function(a, b) { 
+        	return Math.max(a, b); 
+        },
+        avg : function(arr)  { 
+        	return arr.reduce(this.Sum, 0)/arr.length; 
+        }
+        stat : function(arr, func)
+        {
+            if (arr.length==0)
+                return undefined;
+
+            var sum = 0;
+            var sq  = 0;
+            var cnt = 0;
+            var min = arr[0];
+            var max = arr[0];
+            arr.forEach(
+            	function(val, idx) { 
+            		sum+=val; 
+            		sq+=val*val; 
+            		if (val>max) 
+            			max=val; 
+            		if (val<min) 
+            			min=val; 
+            		if (func && func(val, idx)) 
+            			cnt++ 
+            	}
+            );
+            sum /= arr.length;
+            sq  /= arr.length;
+
+            return { avg:sum, rms:Math.sqrt(sq-sum*sum), min:min, max:max, count:cnt };
+        },
+	};
+}
+else{
+    console.out("multiple include of 'Func.js'")
+}