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Potts.hpp

00001 #define __cplusplus__
00002 #ifndef __POTTSMRF__
00003 #define __POTTSMRF__
00004 
00005 #include<iostream>
00006 #include<istream>
00007 #include<fstream>
00008 #include<string>
00009 #include<vector>
00010 #include<sstream>
00011 #include <cmath>
00012 
00013 #include <MRF.hpp>
00014 
00015 using namespace std;
00016 
00027 class Potts : public MRF {
00029   double Beta ; 
00030   
00031 public :
00033   Potts();
00035   Potts(uint k);
00037   Potts(Neighborhood_System *nhs, uint k);
00039   Potts(Neighborhood_System *nhs, uint k, double bet);
00041   ~Potts();
00042   
00044   void DeleteAll();
00045 
00047   double Get_Beta();
00049   void Get_Beta(vector<double> & beta);  
00050 
00052   double H(uint i, uint k, vector<uint>  const &  Z);
00054   double Hmf(uint i, uint k);
00055   
00057   void ReadFromFile(string filename);
00059   void WriteToFile(string filename);
00060 
00062   void Gradient(vector<double> const &  tik, vector<double> & Q);  
00064   void Update_Gradient(vector<double> const &   Q);
00065 
00067   void Read_Params(istream & is);
00069   void Write_Params(ostream & os);
00070 
00072   uint Degrees_Of_Freedom();
00073 
00075   void Info();
00076 
00077 };
00078 
00079 #endif

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