/*       AAAA    CCCC   OOOO   TTTTTT   SSSSS  PPPPP      AA  AA  CC     OO  OO    TT    SS      PP  PP      AAAAAA  CC     OO  OO    TT     SSSS   PPPPP      AA  AA  CC     OO  OO    TT        SS  PP      AA  AA   CCCC   OOOO     TT    SSSSS   PP################################################################    ACO algorithms for the TSP    ################################################################      Version: 1.0      File:    times.h      Author:  Thomas Stuetzle      Purpose: routines for measuring elapsed time (CPU or real)      Check:   README.txt and legal.txt      Copyright (C) 2004  Thomas Stuetzle*//***************************************************************************    Program's name: acotsp    Ant Colony Optimization algorithms (AS, ACS, EAS, RAS, MMAS, BWAS) for the     symmetric TSP     Copyright (C) 2004  Thomas Stuetzle    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.    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, write to the Free Software    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA    email: stuetzle no@spam informatik.tu-darmstadt.de    mail address: Universitaet Darmstadt                  Fachbereich Informatik                  Hochschulstr. 10                  D-64283 Darmstadt		  Germany***************************************************************************/extern clock_t start_time;extern double elapsed;int time_expired();void start_timers();double elapsed_time();typedef enum type_timer {REAL, VIRTUAL} TIMER_TYPE;