WFMath  1.0.1
probability.h
1 // probability.h (probability and statistics functions)
2 //
3 // The WorldForge Project
4 // Copyright (C) 2002 The WorldForge Project
5 //
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22 
23 // Author: Ron Steinke
24 // Created: 2002-1-23
25 
26 // These functions will use double instead of CoordType, for accuracy
27 
28 #ifndef WFMATH_PROBABILTIY_H
29 #define WFMATH_PROBABILTIY_H
30 
31 namespace WFMath {
32 
34 
40 template<typename FloatT>
41 FloatT GaussianConditional(FloatT mean, FloatT stddev, FloatT val);
43 template<typename FloatT>
44 FloatT Gaussian(FloatT mean, FloatT stddev, FloatT val);
45 
47 
51 template<typename FloatT>
52 FloatT PoissonConditional(FloatT mean, unsigned int step);
54 template<typename FloatT>
55 FloatT Poisson(FloatT mean, unsigned int step);
56 
58 template<typename FloatT>
59 FloatT LogFactorial(unsigned int n);
61 template<typename FloatT>
62 FloatT Factorial(unsigned int n);
63 
65 template<typename FloatT>
66 FloatT LogGamma(FloatT z);
68 template<typename FloatT>
69 FloatT Gamma(FloatT z);
70 
71 } // namespace WFMath
72 
73 #endif // WFMATH_PROBABILITY_H