pentiumrtsc.h

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/*
    Sheep - A Rigid Body Dynamics Engine
    Copyright (C) 2001-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of Sheep.

    Sheep 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 2 of the License, or
    (at your option) any later version.

    Sheep 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 Sheep; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef SHEEP_MISC_PENTIUMRTSC_H
#define SHEEP_MISC_PENTIUMRTSC_H

#ifndef _MSC_VER
#error This code is Intel Pentium (R) and Microsoft Visual C++ (R) specific.
#endif  // !_MSC_VER

#include "types.h"

#include <cassert>

namespace sheep {

    class PentiumRTSC {
    public:
        PentiumRTSC();

        void Start();
        void Stop();

        int64 GetResult() const;

    private:
        uint32 m_start_h, m_start_l;
        uint32 m_stop_h, m_stop_l;

        int64 m_overhead;
    };

#include "pentiumrtsc.inl"

}

#endif  // !SHEEP_MISC_PENTIUMRTSC_H

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