started removing KLib related code:

- assertions
- distributions
new helper methods
worked on stairs
worked on grid-walkers
worked on navigation

math/distribution/Exponential.h.autosave

@@ -0,0 +1,54 @@
+#ifndef EXPONENTIAL_H
+#define EXPONENTIAL_H
+
+#include <cmath>
+#include <random>
+
+namespace Distribution {
+
+	template <typename T> class Exponential {
+		
+		private:
+	
+			T lambda;
+	
+			std::minstd_rand gen;
+			std::exponential_distribution<T> dist;
+	
+		public:
+	
+			/** ctor */
+			Exponential(const T lambda) : lambda(lambda), gen(1234), dist(lambda) {
+				;
+			}
+	
+	
+			/** get probability for the given value */
+			T getProbability(const T val) const {
+				return lambda * std::exp(-lambda * val);
+			}
+	
+			/** get a normally distributed random number */
+			T draw() {
+				return dist(gen);
+			}
+	
+			/** set the seed to use */
+			void setSeed(const long seed) {
+				gen.seed(seed);
+			}
+	
+	
+			/** get the probability for the given value */
+			static double getProbability(const double lambda, const double val) {
+				return lambda * std::exp(-lambda * val);
+			}
+	
+		};
+		
+		
+	};
+
+}
+
+#endif // EXPONENTIAL_H