Differential D5594 Diff 17860 extern/quadriflow/3rd/lemon-1.3.1/test/time_measure_test.cc

Changeset View

Standalone View

				/* -- mode: C++; indent-tabs-mode: nil; --
				*
				* This file is a part of LEMON, a generic C++ optimization library.
				*
				* Copyright (C) 2003-2013
				* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
				* (Egervary Research Group on Combinatorial Optimization, EGRES).
				*
				* Permission to use, modify and distribute this software is granted
				* provided that this copyright notice appears in all copies. For
				* precise terms see the accompanying LICENSE file.
				*
				* This software is provided "AS IS" with no warranty of any kind,
				* express or implied, and with no claim as to its suitability for any
				* purpose.
				*
				*/

				#include <lemon/time_measure.h>
				#include <lemon/concept_check.h>

				using namespace lemon;

				void f()
				{
				double d=0;
				for(int i=0;i<1000;i++)
				d+=0.1;
				}

				void g()
				{
				static Timer T;

				for(int i=0;i<1000;i++)
				{
				TimeStamp x(T);
				::lemon::ignore_unused_variable_warning(x);
				}
				}

				int main()
				{
				Timer T;
				unsigned int n;
				for(n=0;T.realTime()<0.1;n++) ;
				std::cout << T << " (" << n << " time queries)\n";

				TimeStamp full;
				TimeStamp t;
				t=runningTimeTest(f,0.1,&n,&full);
				std::cout << t << " (" << n << " tests)\n";
				std::cout << "Total: " << full << "\n";

				t=runningTimeTest(g,0.1,&n,&full);
				std::cout << t << " (" << n << " tests)\n";
				std::cout << "Total: " << full << "\n";

				return 0;
				}