mt19937.h

// Description: Mersenne Twister
// Detail: A high-quality random number generator
// Documentation: random_discrete.txt

#ifndef PASTELSYS_MT19937_H
#define PASTELSYS_MT19937_H

#include "pastel/sys/mytypes.h"

namespace Pastel
{

    //! Initializes the Mersenne Twister with the given seed.
    /*!
   If no seed is given before the first call to
   randomUint32(), a default seed is used.
   */
    void randomSeed(uint32 seed);

    //! Returns a uniformly distributed random integer in [0, 2^32).
    uint32 randomUint32();

    //! Returns a uniformly distributed random integer in [0, 2^64).
    inline uint64 randomUint64()
    {
        uint64 result = Pastel::randomUint32();
        result <<= 32;
        result += Pastel::randomUint32();
        return result;
    }

}

#endif