worked on wifi-scanner for linux

new time-grouping for vap grouper
adjusted test-cases
minor changes/fixes/improvements

math/stats/Average.h

@@ -15,7 +15,7 @@ namespace Stats {
 	public:
 
 		/** ctor */
-		Average() : cnt(0), sum(0) {
+		Average() : cnt(0), sum() {
 			;
 		}
 
@@ -33,7 +33,7 @@ namespace Stats {
 		/** get the current value */
 		Scalar get() const {
 			Assert::isNot0(cnt, "add() values first!");
-			return sum / (Scalar)cnt;
+			return sum / cnt;
 		}
 
 	};

math/stats/Maximum.h

@@ -2,6 +2,7 @@
 #define STATS_MAXIMUM_H
 
 #include "../../Assertions.h"
+#include <limits>
 
 namespace Stats {
 
@@ -9,7 +10,7 @@ namespace Stats {
 
 	private:
 
-		const Scalar START = -99999999;
+		const Scalar START = std::numeric_limits<Scalar>::lowest();
 		Scalar curMax;
 
 	public:

math/stats/Minimum.h

@@ -1,13 +1,15 @@
 #ifndef STATS_MINIMUM_H
 #define STATS_MINIMUM_H
 
+#include <limits>
+
 namespace Stats {
 
 	template <typename Scalar> class Minimum {
 
 	private:
 
-		const Scalar START = +999999999;
+		const Scalar START = std::numeric_limits<Scalar>::max();
 		Scalar curMin;
 
 	public: