Add method to check whether a value lies between two limits

Author: RedstoneFuture

src/main/java/de/redstoneworld/redutilities/math/Calculation.java

@@ -25,4 +25,32 @@ public static long getServerTicksFromMillis(long millis) {
     public static double roundToX(double input, double x) {
         return Math.round(input / x) * x;
     }
-}
+
+    /**
+     * This method checks whether a specific value is within a range of values.
+     * 
+     * Two limit values are used as interval limits, whose order (MIN, MAX) 
+     * is irrelevant.
+     * 
+     * The limit is included ("Closed Interval"), if 'inclusiveLimitValues' is 'true'. 
+     * Otherwise, the limit is exclusive ("Open Interval").
+     * 
+     * @param value (Double) the target value for the check
+     * @param limitA (Double) the first interval limit
+     * @param limitB (Double) the second interval limit
+     * @param inclusiveLimitValues (Boolean) 'true', if the interval limits are included in the range
+     * @return (Boolean) 'true', if the target values is a part of the specified interval
+     */
+    public static boolean isBetween(double value, double limitA, double limitB, boolean inclusiveLimitValues) {
+        
+        double min = Math.min(limitA, limitB);
+        double max = Math.max(limitA, limitB);
+        
+        if (inclusiveLimitValues) {
+            if ((value == min) || (value == max)) return true;
+        }
+        
+        return ((value > min) && (value < max));
+    }
+    
+}