some fixes [multithreading,..]

needed interface changes [new options]
logger for android
wifi-ap-optimization
new test-cases

math/distribution/Triangle.h

@@ -0,0 +1,50 @@
+#ifndef TRIANGLE_H
+#define TRIANGLE_H
+
+#include <cmath>
+#include <random>
+#include "../Random.h"
+#include "../../Assertions.h"
+#include "Normal.h"
+
+namespace Distribution {
+
+	/**
+	 * distribution that forms a triangle
+	 * sigma defines the width (from mu to 0.0, half the width of the triangle's base)
+	 * all values outside of the triangle are zero
+	 */
+	template <typename T> class Triangle {
+
+	private:
+
+		const T mu;
+		const T sigma;
+		const T area;
+
+	public:
+
+		/** ctor */
+		Triangle(const T mu, const T sigma) : mu(mu), sigma(sigma), area(sigma*sigma) {
+
+		}
+
+		/** get probability for the given value */
+		T getProbability(const T val) const {
+			const T diff = std::abs(val - mu);
+			if (diff > sigma)	{return 0;}			// outside of triangle
+			return (sigma - diff) / area;			// inside the triangle
+
+		}
+
+		/** get the probability for the given value */
+		static T getProbability(const T mu, const T sigma, const T val) {
+			Triangle<T> dist(mu, sigma);
+			return dist.getProbability(val);
+		}
+
+	};
+
+}
+
+#endif // TRIANGLE_H