added interface for walkers

some new helper methods
added interpolater for paths

math/distribution/Exponential.h.autosave

@@ -1,54 +0,0 @@
-#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