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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:
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