LC_RNGs.h

Go to the documentation of this file.

#ifndef _H_LC_RNGS
#define _H_LC_RNGS

#include <cstdlib>
#include <cmath>
#include "generators.h"

namespace generators {

        class LC_RNG: public generators::RNG {

        protected:

                unsigned int _a, _c, _m;

                virtual unsigned int nextInt();

                virtual unsigned int linear_congruential( unsigned int x );

        public:
                LC_RNG();

                LC_RNG(unsigned int a, unsigned int c, unsigned int m);

                virtual ~LC_RNG() {}

                virtual unsigned int getA();

                virtual unsigned int getC();

                virtual unsigned int getM();

                virtual unsigned int getMaximum();
        };


// -- Next, several specific RNGs as derived classes. ---------------------

        class RANDU: public generators::LC_RNG {
        public:
                RANDU();

                virtual ~RANDU() {}
        };

        class QUICK: public LC_RNG {
        public:
                QUICK();

                virtual ~QUICK() {}
        };
};

#endif

---