mn_ramdom_xorshift.hpp

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#ifndef __MINILIB_BASIC_RAMDOM_XORSHIFT_H__
#define __MINILIB_BASIC_RAMDOM_XORSHIFT_H__
 
#include "../mn_config.hpp"
 
#include "mn_random.hpp"
 
namespace mn {
    class basic_ramdom_xorshift : public IPseudoRandomUtil<unsigned int>  {
        using base_type = IPseudoRandomUtil<unsigned int> ;
    public:
        basic_ramdom_xorshift(unsigned int startSeed)
            : base_type(startSeed) { init(startSeed); }
 
        virtual unsigned char rand8() override;
        virtual unsigned short rand16() override;
        virtual unsigned int rand32() override;
 
        virtual seed_t get_seed() override { return m_xorandArray[0]; }
        virtual void set_seed(seed_t seed) override { init(seed); }
    private:
        void init(unsigned int seed);
    private:
        unsigned long m_xorandArray[4];
    };
}
#endif // __MINILIB_BASIC_RAMDOM_XORSHIFT_H__