lfsr.h

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/*
 *  helper/maths/lfsr.h - Linear shift feedback register
 *  Copyright (C) 2015, D Haley 

 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.

 *  This program 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 General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <cstdlib>

namespace AtomProbe
{


class LinearFeedbackShiftReg
{
    size_t lfsr;
    size_t maskVal;
    size_t totalMask;
    public:
        size_t clock();
        void setState(size_t newState) { lfsr=newState;};
        void setMaskPeriod(unsigned int newMask);

        bool verifyTable(size_t maxLen=0);
};
}