QuantaCore: include/random_number.h Source File

00001 #if !defined (RANDOM_NUMBER_H)
00002 #define RANDOM_NUMBER_H
00003 #include "distributed_data.h"
00004 #include "distributions.h"
00005 #include <string>
00006 #include <vector>
00007 /***************************************************************/
00009 class RandomNumber {
00010  private:
00011   int num_samples;
00012   double* sample_min;
00013   double* sample_max;
00014   double* sample_mean;
00015   double* sample_variance;
00016 
00017  public:
00018   std::vector<double> *frequency_table; 
00019   ddata::Vector samples;
00020   
00021   //Constructor & Destructor
00022   RandomNumber();
00023   RandomNumber(int num_samples);
00024   RandomNumber(int num_samples, int num_ghosts);  
00025   ~RandomNumber();
00026   void set_size(int num_samples);
00027   void set_ghost_size(int num_samples, int num_ghosts);
00028 
00029   //Generated distributions
00030   void make_uniform(int seed) const;
00031   void make_normal(double mu, double sigma, int seed) const;  
00032   
00033   //Random number statisticis
00034   double mean();
00035   double variance();
00036   double min();
00037   double max();
00038   void create_frequency_table(int num_bins, bool normalized);
00039   void print_frequency_table(std::string file_name,int num_bins, Distribution& dist) const;
00040   double get_quantile(int alpha);
00041 
00042   //Viewing and plotting
00043   void view(void) const;
00044   void print(std::string file_name) const;
00045 };
00046 #endif