random_numbers.h
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00034 
00035 /* Author: Ioan Sucan */
00036 
00037 #ifndef RANDOM_NUMBERS_RANDOM_NUMBERS_
00038 #define RANDOM_NUMBERS_RANDOM_NUMBERS_
00039 
00040 #include <boost/random/mersenne_twister.hpp>
00041 #include <boost/random/uniform_real.hpp>
00042 #include <boost/random/uniform_int.hpp>
00043 #include <boost/random/variate_generator.hpp>
00044 #include <boost/random/normal_distribution.hpp>
00045 
00046 namespace random_numbers
00047 {
00054 class RandomNumberGenerator
00055 {
00056 public:
00058   RandomNumberGenerator(void);
00059 
00061   RandomNumberGenerator(boost::uint32_t seed);
00062 
00064   double uniform01(void)
00065   {
00066     return uni_();
00067   }
00068 
00074   double uniformReal(double lower_bound, double upper_bound)
00075   {
00076     return (upper_bound - lower_bound) * uni_() + lower_bound;
00077   }
00078 
00080   double gaussian01(void)
00081   {
00082     return normal_();
00083   }
00084 
00086   double gaussian(double mean, double stddev)
00087   {
00088     return normal_() * stddev + mean;
00089   }
00090 
00094   void quaternion(double value[4]);
00095 
00097   int uniformInteger(int min, int max)
00098   {
00099     boost::uniform_int<> dis(min, max);
00100     return dis(generator_);
00101   }
00102 
00107   boost::uint32_t getFirstSeed();
00108 
00109 private:
00110   boost::mt19937 generator_;
00111   boost::uniform_real<> uniDist_;
00112   boost::normal_distribution<> normalDist_;
00113   boost::variate_generator<boost::mt19937&, boost::uniform_real<> > uni_;
00114   boost::variate_generator<boost::mt19937&, boost::normal_distribution<> > normal_;
00115 };
00116 }
00117 
00118 #endif


random_numbers
Author(s): Ioan Sucan
autogenerated on Wed Apr 3 2019 02:54:25