SHOGUN  4.2.0
ProbabilityDistribution.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2013 Heiko Strathmann
8  */
9
10 #ifndef PROBABILITYDISTRIBUTION_H
11 #define PROBABILITYDISTRIBUTION_H
12
13 #include <shogun/lib/config.h>
14
15 #include <shogun/base/SGObject.h>
16 #include <shogun/lib/SGMatrix.h>
17
18 namespace shogun
19 {
20
21 template <class T> class SGVector;
22
28 {
29 public:
32
34  CProbabilityDistribution(int32_t dimension);
35
37  virtual ~CProbabilityDistribution();
38
47  virtual SGMatrix<float64_t> sample(int32_t num_samples,
48  SGMatrix<float64_t> pre_samples=SGMatrix<float64_t>()) const;
49
55  virtual SGVector<float64_t> sample() const;
56
63
70  virtual float64_t log_pdf(SGVector<float64_t> sample_vec) const;
71
73  virtual const char* get_name() const=0;
74
75 private:
76
78  void init();
79
80 protected:
82  int32_t m_dimension;
83 };
84
85 }
86
87 #endif // PROBABILITYDISTRIBUTION_H
virtual const char * get_name() const =0
virtual float64_t log_pdf(SGVector< float64_t > sample_vec) const
A base class for representing n-dimensional probability distribution over the real numbers (64bit) fo...
Class SGObject is the base class of all shogun objects.
Definition: SGObject.h:115
double float64_t
Definition: common.h:50
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
virtual SGVector< float64_t > log_pdf_multiple(SGMatrix< float64_t > samples) const
virtual SGVector< float64_t > sample() const

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