test/time_measure_test.cc
author deba
Mon, 03 Oct 2005 10:16:45 +0000
changeset 1696 4e03a355d2ea
parent 1435 8e85e6bbefdf
child 1847 7cbc12e42482
permissions -rw-r--r--
CompileTimeAnd
Used by SplitGraphAdaptor
     1 /* -*- C++ -*-
     2  * test/time_measure_test.cc - Part of LEMON, a generic C++ optimization library
     3  *
     4  * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     5  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     6  *
     7  * Permission to use, modify and distribute this software is granted
     8  * provided that this copyright notice appears in all copies. For
     9  * precise terms see the accompanying LICENSE file.
    10  *
    11  * This software is provided "AS IS" with no warranty of any kind,
    12  * express or implied, and with no claim as to its suitability for any
    13  * purpose.
    14  *
    15  */
    16 
    17 #include <lemon/time_measure.h>
    18 
    19 ///\file \brief Test cases for time_measure.h
    20 ///
    21 ///\todo To be extended
    22 
    23 
    24 using namespace lemon;
    25 
    26 void f() 
    27 {
    28   double d=0;
    29   for(int i=0;i<10000;i++)
    30     d+=0.1;
    31 }
    32 
    33 int main()
    34 {
    35   Timer T;
    36   int n;
    37   for(n=0;T.realTime()<1.0;n++) ;
    38   std::cout << T << " (" << n << " time queries)\n";
    39   T.reset();
    40   while(T.realTime()<2.0) ;
    41   std::cout << T << '\n';
    42   TimeStamp full;
    43   TimeStamp t=runningTimeTest(f,1,&n,&full);
    44   std::cout << t << " (" << n << " tests)\n";
    45   std::cout << "Total: " << full << "\n";
    46   
    47   return 0;
    48 }