timeinterval.hpp

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// PTF - Psychological Test Framework
// http://ptf.sourceforge.net
//
// 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 2 of the License, or
// (at your option) any later version.
//
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// 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.
//
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// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#ifndef __TIMEINTERVAL__
#define __TIMEINTERVAL__

#include <ptf/environment/clock.hpp>
#include <string>

using std::string;

class TimeInterval {
protected:
  timespec interval[2];    
public:
  TimeInterval();
  TimeInterval(const timespec  a, const timespec  b);
  void setInterval(const timespec a, const timespec b);
  void getInterval(timespec& a, timespec& b) const;
  void measureA();
  void measureB();
  timespec getDifference() const;
  int compareDifference(const timespec& a) const;    
  static int compareTimespecs(const timespec& a, const timespec& b);
  static timespec addTimespecs(const timespec& a, const timespec& b);
  static timespec subTimespecs(const timespec& a, const timespec& b);
  static string timespecToString(const timespec& a);
  string toString() const;
};

#endif

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