WCudaMSE/BilatTools_CPP/src/core/tools/cpp/Chronos.cpp

   1 #include <iostream>
   2 #include <omp.h>
   3 #include <stdio.h>
   4 #include <string>
   5
   6 #include "Chronos.h"
   7
   8 using std::cout;
   9 using std::endl;
  10
  11 /*----------------------------------------------------------------------*\
  12  |*                     Implementation                                  *|
  13  \*---------------------------------------------------------------------*/
  14
  15 /*--------------------------------------*\
  16  |*             Constructor             *|
  17  \*-------------------------------------*/
  18
  19 Chronos::Chronos()
  20     {
  21     start();
  22     }
  23
  24 Chronos::~Chronos()
  25     {
  26     // rien
  27     }
  28
  29 /*--------------------------------------*\
  30  |*             Methodes                *|
  31  \*-------------------------------------*/
  32
  33 void Chronos::start()
  34     {
  35    // cout << "Chronos : start" << endl;
  36
  37     isRunning = true;
  38
  39     deltaTime = -1;
  40     timeStart = time();
  41     }
  42
  43 double Chronos::stop()
  44     {
  45     //cout << "Chronos : stop" << endl;
  46
  47     isRunning = false;
  48
  49     timeStop = time();
  50     deltaTime = timeStop - timeStart;
  51
  52     return deltaTime;
  53     }
  54
  55 double Chronos::getDeltaTime() const
  56     {
  57     if (isRunning)
  58         {
  59         cout << "Chronos : Warning : Stop chrono befor, or use methode timeFlight() instead!" << endl;
  60         return -1;
  61         }
  62     else
  63         {
  64         return deltaTime;
  65         }
  66     }
  67
  68 double Chronos::timeFlight() const
  69     {
  70     return time() - timeStart;
  71     }
  72
  73 void Chronos::print(const string& titre) const
  74     {
  75     print(cout, titre);
  76     }
  77
  78 void Chronos::print(ostream& stream, const string& titre) const
  79     {
  80     double dt;
  81     if (isRunning)
  82         {
  83         dt = timeFlight();
  84         }
  85     else
  86         {
  87         dt = deltaTime;
  88         }
  89     stream << titre << " " << dt << " (s)" << endl;
  90     }
  91
  92 double Chronos::time()
  93     {
  94    // return time(NULL); //  #include <time.h> time(NULL) est time_t
  95     // Problem : Sous linux : compte en seconde!
  96
  97     return omp_get_wtime(); //#include <omp.h>
  98     }
  99
 100 /*--------------------------------------*\
 101  |*             Friend                  *|
 102  \*-------------------------------------*/
 103
 104 ostream& operator <<(ostream& stream, const Chronos& chrono) // friend
 105     {
 106     chrono.print(stream);
 107     return stream;
 108     }
 109
 110 /*----------------------------------------------------------------------*\
 111  |*                     End                                             *|
 112  \*---------------------------------------------------------------------*/
 113