statistic helper classes

test-cases
modified grid importance for better trap-detection

math/stats/Maximum.h

@@ -0,0 +1,42 @@
+#ifndef STATS_MAXIMUM_H
+#define STATS_MAXIMUM_H
+
+#include "../../Assertions.h"
+
+namespace Stats {
+
+	template <typename Scalar> class Maximum {
+
+	private:
+
+		const Scalar START = -99999999;
+		Scalar curMax;
+
+	public:
+
+		/** ctor */
+		Maximum() : curMax(START) {
+			;
+		}
+
+		/** is a valid maximum available? */
+		inline bool isValid() const {
+			return curMax != START;
+		}
+
+		/** add a new value */
+		inline void add(const Scalar val) {
+			if (val > curMax) {curMax = val;}
+		}
+
+		/** get the current value */
+		inline Scalar get() const {
+			Assert::notEqual(curMax, START, "add() values first!");
+			return curMax;
+		}
+
+	};
+
+}
+
+#endif // STATS_MAXIMUM_H