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/*!
* \file
* \brief Timer classes test program
* \author Thomas Eriksson, Tony Ottosson, Tobias Ringstrom and Adam Piatyszek
*
* -------------------------------------------------------------------------
*
* Copyright (C) 1995-2010 (see AUTHORS file for a list of contributors)
*
* This file is part of IT++ - a C++ library of mathematical, signal
* processing, speech processing, and communications classes and functions.
*
* IT++ 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 3 of the License, or (at your option) any
* later version.
*
* IT++ 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 IT++. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include <itpp/itbase.h>
using namespace std;
using namespace itpp;
int main()
{
const double period = 2.0;
const double relative_error = 0.05;
CPU_Timer t1;
Real_Timer t2;
t1.start();
while (t1.get_time() < period) ;
t1.stop();
tic();
t2.start();
while (t2.get_time() < period) ;
t2.stop();
double t3 = toc();
if (fabs(t1.get_time() - period) <= relative_error * period)
cout << "CPU_Timer is OK" << endl;
else
cout << "CPU_Timer difference: " << fabs(t1.get_time() - period)
<< " > " << relative_error * period << endl;
if (fabs(t2.get_time() - period) <= relative_error * period)
cout << "Real_Timer is OK" << endl;
else
cout << "Real_Timer difference: " << fabs(t1.get_time() - period)
<< " > " << relative_error * period << endl;
if (t3 >= t2.get_time())
cout << "tic() and toc() are OK" << endl;
return 0;
}
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