src/l_timer.h

   1 /*$Id: l_timer.h,v 1.1 2009-10-23 12:01:45 felix Exp $ -*- C++ -*-
   2  * Copyright (C) 2001 Albert Davis
   3  * Author: Albert Davis <aldavis@gnu.org>
   4  *
   5  * This file is part of "Gnucap", the Gnu Circuit Analysis Package
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20  * 02110-1301, USA.
  21  *------------------------------------------------------------------
  22  * CPU time accounting
  23  */
  24 //testing=script 2006.07.13
  25 #ifndef L_TIMER_H
  26 #define L_TIMER_H
  27 #include "io_.h"
  28 /*--------------------------------------------------------------------------*/
  29 class OMSTREAM;
  30 /*--------------------------------------------------------------------------*/
  31 class INTERFACE TIMER {
  32 private:
  33   double _ref;          // time the clock was started
  34   double _last;         // time of timed operation
  35   double _total;        // time since program start
  36   bool   _running;
  37   std::string _name;
  38 public:
  39   explicit      TIMER();
  40   explicit      TIMER(const std::string&);
  41                 ~TIMER() {}
  42   TIMER&        fullreset();
  43   TIMER&        reset();
  44   TIMER&        start();
  45   TIMER&        stop();
  46   TIMER&        check();
  47   double        elapsed()const          {return _last;}
  48   bool          is_running()const       {return _running;}
  49
  50   TIMER&        print(OMSTREAM& s = IO::mstdout);
  51   TIMER&        operator=(const TIMER&);
  52   friend INTERFACE TIMER operator-(const TIMER&,const TIMER&);
  53 };
  54 template <class T>
  55 T& operator<<(T & s, TIMER & t) {t.print(s); return s;}
  56 /*--------------------------------------------------------------------------*/
  57 /*--------------------------------------------------------------------------*/
  58 #endif
  59 // vim:ts=8:sw=2:noet: