test/time_measure_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Fri, 09 Aug 2013 11:28:17 +0200
changeset 1270 dceba191c00d
parent 1257 3e711ee55d31
permissions -rw-r--r--
Apply unify-sources.sh to the source tree
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library.
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 *
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 * Copyright (C) 2003-2013
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <lemon/time_measure.h>
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#include <lemon/concept_check.h>
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using namespace lemon;
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void f()
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{
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  double d=0;
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  for(int i=0;i<1000;i++)
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    d+=0.1;
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}
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void g()
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{
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  static Timer T;
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  for(int i=0;i<1000;i++)
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    {
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      TimeStamp x(T);
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      ::lemon::ignore_unused_variable_warning(x);
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    }
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}
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int main()
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{
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  Timer T;
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  unsigned int n;
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  for(n=0;T.realTime()<0.1;n++) ;
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  std::cout << T << " (" << n << " time queries)\n";
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  TimeStamp full;
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  TimeStamp t;
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  t=runningTimeTest(f,0.1,&n,&full);
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  std::cout << t << " (" << n << " tests)\n";
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  std::cout << "Total: " << full << "\n";
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  t=runningTimeTest(g,0.1,&n,&full);
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  std::cout << t << " (" << n << " tests)\n";
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  std::cout << "Total: " << full << "\n";
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  return 0;
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}