/******************************************
Copyright (c) 2012  Cheng-Shen Han
Copyright (c) 2012  Jie-Hong Roland Jiang
Copyright (c) 2018  Mate Soos

For more information, see " When Boolean Satisfiability Meets Gaussian
Elimination in a Simplex Way." by Cheng-Shen Han and Jie-Hong Roland Jiang
in CAV (Computer Aided Verification), 2012: 410-426


Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
***********************************************/

#ifndef GAUSSWATCHED_H
#define GAUSSWATCHED_H

namespace CMSat {
    struct GaussWatched{
        GaussWatched(uint32_t r ,uint32_t m):
            row_n(r) , matrix_num(m)
        {}

        uint32_t row_n;        // watch row
        uint32_t matrix_num;   // watch matrix

        bool operator<(const GaussWatched& other) const {
            if (matrix_num < other.matrix_num) {
                return true;
            }

            if (matrix_num > other.matrix_num) {
                return false;
            }

            return row_n < other.row_n;
        }
    };
}

#endif //GAUSSWATCHED_H