mn_random_lfsr.hpp

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/*
*This file is part of the Mini Thread Library (https://github.com/RoseLeBlood/MiniThread ).
*Copyright (c) 2021 Amber-Sophia Schroeck
*
*The Mini Thread Library is free software; you can redistribute it and/or modify  
*it under the terms of the GNU Lesser General Public License as published by  
*the Free Software Foundation, version 3, or (at your option) any later version.
 
*The Mini Thread Library is distributed in the hope that it will be useful, but 
*WITHOUT ANY WARRANTY; without even the implied warranty of 
*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
*General Public License for more details.
*
*You should have received a copy of the GNU Lesser General Public
*License along with the Mini Thread  Library; if not, see
*<https://www.gnu.org/licenses/>.  
*/
 
 
#ifndef _MINLIB_RANDOM_LFSR_H_
#define _MINLIB_RANDOM_LFSR_H_
 
#include "mn_random.hpp"
 
namespace mn {
    class basic_random_lfsr : public IPseudoRandomUtil<unsigned int> {
    public:
        basic_random_lfsr(unsigned int startSeed = 0xFEABDC72, unsigned int polyMask = 0xA1B3C6DF) 
            : IPseudoRandomUtil<unsigned int>(startSeed), m_uiPolyMask(0xA1B3C6DF) { }
 
        virtual unsigned char rand8() override;
        virtual unsigned short rand16() override;
        virtual unsigned int rand32() override;
 
        unsigned int get_polymask() { return m_uiPolyMask; }
        void set_polymask(unsigned int mask) { m_uiPolyMask = mask; }
        void set_seed(unsigned int seed, unsigned int mask) {
            m_startSeed = seed; m_uiPolyMask = mask; 
        }
    private:
        unsigned int m_uiPolyMask;
    };
 
}
 
#endif