uint128_t.h

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//=============================================================================
//  Computational Process Networks class library
//  Copyright (C) 1997-2006  Gregory E. Allen and The University of Texas
//
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Library General Public License as published
//  by the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This 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
//  Library General Public License for more details.
//
//  The GNU Public License is available in the file LICENSE, or you
//  can write to the Free Software Foundation, Inc., 59 Temple Place -
//  Suite 330, Boston, MA 02111-1307, USA, or you can find it on the
//  World Wide Web at http://www.fsf.org.
//=============================================================================
#ifndef UINT128_T_H
#define UINT128_T_H
#pragma once
#include <cpn/common.h>
struct uint128_t {
    uint128_t(uint64_t h, uint64_t l) : high(h), low(l) {}
    uint128_t(uint64_t v) : high(0), low(v) {}
    uint128_t() : high(0), low(0) {}
    uint64_t high, low;
};

inline bool operator<(const uint128_t &l, const uint128_t &r) {
    if (l.high == r.high) { return l.low < r.low; }
    else { return l.high < r.high; }
}
inline bool operator>=(const uint128_t &l, const uint128_t &r) { return !(l < r); }
inline bool operator<=(const uint128_t &l, const uint128_t &r) { return !(r < l); }
inline bool operator>(const uint128_t &l, const uint128_t &r) { return (r < l); }
inline bool operator==(const uint128_t &l, const uint128_t &r) {
    return (l.high == r.high && l.low == r.low);
}
inline bool operator!=(const uint128_t &l, const uint128_t &r) { return !(r == l); }
#endif