00001 00005 /* Copyright (c) 2005-2011 Taneli Kalvas. All rights reserved. 00006 * 00007 * You can redistribute this software and/or modify it under the terms 00008 * of the GNU General Public License as published by the Free Software 00009 * Foundation; either version 2 of the License, or (at your option) 00010 * any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, but 00013 * WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this library (file "COPYING" included in the package); 00019 * if not, write to the Free Software Foundation, Inc., 51 Franklin 00020 * Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 * 00022 * If you have questions about your rights to use or distribute this 00023 * software, please contact Berkeley Lab's Technology Transfer 00024 * Department at TTD@lbl.gov. Other questions, comments and bug 00025 * reports should be sent directly to the author via email at 00026 * taneli.kalvas@jyu.fi. 00027 * 00028 * NOTICE. This software was developed under partial funding from the 00029 * U.S. Department of Energy. As such, the U.S. Government has been 00030 * granted for itself and others acting on its behalf a paid-up, 00031 * nonexclusive, irrevocable, worldwide license in the Software to 00032 * reproduce, prepare derivative works, and perform publicly and 00033 * display publicly. Beginning five (5) years after the date 00034 * permission to assert copyright is obtained from the U.S. Department 00035 * of Energy, and subject to any subsequent five (5) year renewals, 00036 * the U.S. Government is granted for itself and others acting on its 00037 * behalf a paid-up, nonexclusive, irrevocable, worldwide license in 00038 * the Software to reproduce, prepare derivative works, distribute 00039 * copies to the public, perform publicly and display publicly, and to 00040 * permit others to do so. 00041 */ 00042 00043 #ifndef TIMER_HPP 00044 #define TIMER_HPP 1 00045 00046 00047 #include <iostream> 00048 #include <time.h> 00049 #include <sys/time.h> 00050 00051 00054 class Timer { 00055 00056 clock_t _cpu1, _cpu2; 00057 struct timeval _time1, _time2; 00058 00059 public: 00060 00063 Timer(); 00064 00067 ~Timer() {} 00068 00071 void start( void ); 00072 00075 void stop( void ); 00076 00079 double get_real_time( void ) const; 00080 00083 double get_cpu_time( void ) const; 00084 00087 friend std::ostream &operator<<( std::ostream &os, const Timer &t ); 00088 }; 00089 00090 #endif 00091 00092 00093 00094 00095 00096 00097 00098 00099 00100 00101 00102 00103 00104 00105 00106 00107 00108 00109