QuantaCore: include/distributions.h Source File

00001 #if !defined (DISTRIBUTIONS_H)
00002 #define DISTRIBUTIONS_H
00003 /********************************************************/
00005 class Distribution{
00006 
00007 public:
00008   virtual double pdf(double x);
00009   virtual double cdf(double x);
00010   virtual double icdf(double x);
00011 };
00012 /********************************************************/
00014 class UniformDistribution:public Distribution{
00015 public:
00016   double pdf(double x) const;
00017   double cdf(double x) const;
00018 };
00019 /********************************************************/
00021 class NormalDistribution:public Distribution{
00022 private:
00023   const double mu;
00024   const double sigma;
00025 
00026 public:
00027   NormalDistribution(double mu, double sigma);
00028   double pdf(double x) const;
00029   double cdf(double x) const;
00030   double icdf(double p) const;
00031 };
00032 /********************************************************/
00034 class ChiSquareDistribution:public Distribution{
00035 private:
00036   const double dof;
00037 
00038 public:
00039   ChiSquareDistribution(double dof);
00040   double pdf(double x) const;
00041   double cdf(double x) const;
00042 };
00043 #endif