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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:
00057
00059 RandomNumberGenerator(void);
00060
00062 RandomNumberGenerator(boost::uint32_t seed);
00063
00065 double uniform01(void)
00066 {
00067 return uni_();
00068 }
00069
00075 double uniformReal(double lower_bound, double upper_bound)
00076 {
00077 return (upper_bound - lower_bound) * uni_() + lower_bound;
00078 }
00079
00081 double gaussian01(void)
00082 {
00083 return normal_();
00084 }
00085
00087 double gaussian(double mean, double stddev)
00088 {
00089 return normal_() * stddev + mean;
00090 }
00091
00095 void quaternion(double value[4]);
00096
00098 int uniformInteger(int min, int max)
00099 {
00100 boost::uniform_int<> dis(min, max);
00101 return dis(generator_);
00102 }
00103
00107 boost::uint32_t getFirstSeed();
00108
00109 private:
00110
00111 boost::mt19937 generator_;
00112 boost::uniform_real<> uniDist_;
00113 boost::normal_distribution<> normalDist_;
00114 boost::variate_generator<boost::mt19937&, boost::uniform_real<> > uni_;
00115 boost::variate_generator<boost::mt19937&, boost::normal_distribution<> > normal_;
00116 };
00117
00118 }
00119
00120 #endif