allwpilib/src/nt_seqnum.cpp

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2015. All Rights Reserved.                             */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project.                                                               */
/*----------------------------------------------------------------------------*/

#include "nt_seqnum.h"

namespace NtImpl {

bool operator< (const SequenceNumber& lhs, const SequenceNumber& rhs)
{
    if (lhs.m_val < rhs.m_val)
        return (rhs.m_val - lhs.m_val) < (1u<<15);
    else if (lhs.m_val > rhs.m_val)
        return (lhs.m_val - rhs.m_val) > (1u<<15);
    else
        return false;
}

bool operator> (const SequenceNumber& lhs, const SequenceNumber& rhs)
{
    if (lhs.m_val < rhs.m_val)
        return (rhs.m_val - lhs.m_val) > (1u<<15);
    else if (lhs.m_val > rhs.m_val)
        return (lhs.m_val - rhs.m_val) < (1u<<15);
    else
        return false;
}

} // namespace NtImpl