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+
+///////////////////////////////////////////////////////////////////////////
+// This program is free software: you can redistribute it and/or modify  //
+// it under the terms of the version 3 of the GNU General Public License //
+// as published by the Free Software Foundation.                         //
+//                                                                       //
+// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.  //
+//                                                                       //
+// Written by Francois Fleuret, (C) IDIAP                                //
+// Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
+///////////////////////////////////////////////////////////////////////////
+
+#ifndef CHRONO_H
+#define CHRONO_H
+
+#include <sys/times.h>
+#include "misc.h"
+
+class Chrono {
+  struct tms _last;
+  scalar_t _nb_ticks_per_second;
+  static const int _nb_max = 32;
+  int _nb, _current;
+  char _labels[_nb_max][buffer_size];
+  scalar_t _durations[_nb_max];
+public:
+  Chrono();
+  void print(ostream *os);
+  void start(const char *label);
+  void stop();
+};
+
+#endif