rng.h
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35 
38 #ifndef FCL_MATH_RNG_H
39 #define FCL_MATH_RNG_H
40 
41 #include <cassert>
42 #include <random>
43 #include <iostream>
44 
45 #include "fcl/math/constants.h"
46 #include "fcl/math/detail/seed.h"
47 
48 namespace fcl
49 {
50 
57 template <typename S>
58 class FCL_EXPORT RNG
59 {
60 public:
62  RNG();
63 
65  S uniform01();
66 
69  S uniformReal(S lower_bound, S upper_bound);
70 
73  int uniformInt(int lower_bound, int upper_bound);
74 
76  bool uniformBool();
77 
80  S gaussian01();
81 
84  S gaussian(S mean, S stddev);
85 
93  S halfNormalReal(S r_min, S r_max, S focus = 3.0);
94 
98  int halfNormalInt(int r_min, int r_max, S focus = 3.0);
99 
102  void quaternion(S value[4]);
103 
106  void eulerRPY(S value[3]);
107 
109  void disk(S r_min, S r_max, S& x, S& y);
110 
112  void ball(S r_min, S r_max, S& x, S& y, S& z);
113 
116  static void setSeed(std::uint_fast32_t seed);
117 
121  static std::uint_fast32_t getSeed();
122 
123 private:
124 
125  std::mt19937 generator_;
126  std::uniform_real_distribution<> uniDist_;
127  std::normal_distribution<> normalDist_;
128 
129 };
130 
131 using RNGf = RNG<float>;
133 
134 } // namespace fcl
135 
136 #include "fcl/math/rng-inl.h"
137 
138 #endif
rng-inl.h
fcl::RNG
Random number generation. An instance of this class cannot be used by multiple threads at once (membe...
Definition: rng.h:58
fcl::RNG::normalDist_
std::normal_distribution normalDist_
Definition: rng.h:127
fcl::RNG::uniDist_
std::uniform_real_distribution uniDist_
Definition: rng.h:126
seed.h
constants.h
fcl
Main namespace.
Definition: broadphase_bruteforce-inl.h:45
fcl::RNG::generator_
std::mt19937 generator_
Definition: rng.h:125


fcl
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autogenerated on Sat Sep 11 2021 02:37:42