Marmote Core
The project aims at realizing the prototype of a software environment dedicated to modeling with Markov chains.
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uniformDiscreteDistribution.h
1 /* Marmote is free software: you can redistribute it and/or modify
2 it under the terms of the GNU General Public License as published by
3 the Free Software Foundation, either version 3 of the License, or
4 (at your option) any later version.
5 
6 Marmote is distributed in the hope that it will be useful,
7 but WITHOUT ANY WARRANTY; without even the implied warranty of
8 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 GNU General Public License for more details.
10 
11 You should have received a copy of the GNU General Public License
12 along with Marmote. If not, see <http://www.gnu.org/licenses/>.
13 
14 Copyright 2015 Alain Jean-Marie, Jean-Michel Fourneau, Jean-Marc Vincent, Issam Rabhi */
15 
16 #ifndef uniformDiscreteDistribution_H
17 #define uniformDiscreteDistribution_H
18 
19 #include "discreteDistribution.h"
20 
26 
27  public:
35 
36 private:
37  int _valInf;
38  int _valSup;
39  int _span;
40  bool _isConstant;
42 public:
43  // accessors to specific variables
49  int valInf();
55  int valSup();
56 
57  public: // probabilistic member functions
61  double mean();
65  double rate();
69  double moment( int order );
73  double variance();
77  double laplace( double s );
81  double dLaplace( double s ); // derivative of the Laplace transform
85  double cdf( double x );
89  double ccdf( double x );
93  bool hasMoment( int order );
94 
98  uniformDiscreteDistribution *rescale( double factor );
106  double sample();
110  void iidSample( int n, double* s );
111 
112  public:
116  std::string toString();
120  void write( FILE *out, int mode );
121 
122 };
123 
124 #endif // uniformDiscreteDistribution_H