test/time_measure_test.cc
author Balazs Dezso <deba@inf.elte.hu>
Tue, 27 May 2008 16:01:20 +0200
changeset 162 33247f6fff16
child 171 02f4d5d9bfd7
permissions -rw-r--r--
Section reader for DigraphReader
     1 /* -*- C++ -*-
     2  *
     3  * This file is a part of LEMON, a generic C++ optimization library
     4  *
     5  * Copyright (C) 2003-2008
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     8  *
     9  * Permission to use, modify and distribute this software is granted
    10  * provided that this copyright notice appears in all copies. For
    11  * precise terms see the accompanying LICENSE file.
    12  *
    13  * This software is provided "AS IS" with no warranty of any kind,
    14  * express or implied, and with no claim as to its suitability for any
    15  * purpose.
    16  *
    17  */
    18 
    19 #include <lemon/time_measure.h>
    20 
    21 ///\file \brief Test cases for time_measure.h
    22 ///
    23 ///\todo To be extended
    24 
    25 
    26 using namespace lemon;
    27 
    28 void f() 
    29 {
    30   double d=0;
    31   for(int i=0;i<1000;i++)
    32     d+=0.1;
    33 }
    34 
    35 void g() 
    36 {
    37   static Timer T;
    38   
    39   for(int i=0;i<1000;i++)
    40     TimeStamp x(T);
    41 }
    42 
    43 int main()
    44 {
    45   Timer T;
    46   unsigned int n;
    47   for(n=0;T.realTime()<1.0;n++) ;
    48   std::cout << T << " (" << n << " time queries)\n";
    49   T.restart();
    50   while(T.realTime()<2.0) ;
    51   std::cout << T << '\n';
    52   TimeStamp full;
    53   TimeStamp t;
    54   t=runningTimeTest(f,1,&n,&full);
    55   std::cout << t << " (" << n << " tests)\n";
    56   std::cout << "Total: " << full << "\n";
    57   
    58   t=runningTimeTest(g,1,&n,&full);
    59   std::cout << t << " (" << n << " tests)\n";
    60   std::cout << "Total: " << full << "\n";
    61   
    62   return 0;
    63 }