LoadingBar Class Reference

#include <LoadingBar.h>

Public Member Functions
	LoadingBar (int nIterations, int nSteps=20)
void	printTimeDiff (double minutes)
void	update (int i)
	~LoadingBar ()

Private Attributes
int	_nIterations
int	_nSteps
int	_prevStep
time_t	_tstart

Detailed Description

Definition at line 11 of file LoadingBar.h.

Constructor & Destructor Documentation

LoadingBar()

LoadingBar::LoadingBar	(	int	nIterations,
		int	nSteps = 20
	)

Definition at line 3 of file LoadingBar.cpp.

                                                  :
  _nIterations(nIterations),
  _nSteps     (nSteps),
  _prevStep   (-1)
{

    _tstart = time(0);


}

~LoadingBar()

LoadingBar::~LoadingBar

(

)

Definition at line 79 of file LoadingBar.cpp.

                       {

}

Member Function Documentation

printTimeDiff()

void LoadingBar::printTimeDiff

(

double

minutes

)

Definition at line 15 of file LoadingBar.cpp.

                                            {

  if (minutes > 60.0){
    int hours = floor( minutes / 60.0 );
    int mins  = floor( minutes - hours*60.0 );
    std::cout << hours << "h " << mins; 
  }
  else if (minutes < 60.0 && minutes > 1.0){
    int mins    = floor( minutes );
    int seconds = floor( double( minutes - mins )*60.0 );
    std::cout << mins << "m " << seconds; 
  }
  else{
    int seconds = floor( (minutes)*600.0 );
    std::cout << seconds*0.1 << "s";
  }
}

update()

void LoadingBar::update

(

int

i

)

Definition at line 33 of file LoadingBar.cpp.

                            {

  double frac = double(i+1)/double(_nIterations);
  int steps = floor(_nSteps*frac);
  
  int per = floor(100*frac);

 
  if (_prevStep != per){
  
    double delT = difftime(time(0), _tstart);
  
    double detTMins = delT / 60.0;
    double evtsPerMin = (double(i)/detTMins);
    
    double totalTimeMins = double(_nIterations)/evtsPerMin;
    double remainingTime = totalTimeMins*(1.0-frac);

    std::cout << "\r  [";
   
    for (int j = 0; j < _nSteps; j++){
      if (j < steps) std::cout << "=";
      else           std::cout << " ";
    }
    
    std::cout << "]   " << per << "% Complete. ";
    printTimeDiff(remainingTime);
    std::cout << " left.              " << std::flush;

    _prevStep = per;
    
  }
  
  if ( frac == 1.0 )  {

    double delT = difftime(time(0), _tstart);
    double detTMins = delT / 60.0;
    double evtsPerMin = (double(_nIterations)/detTMins);

    std::cout << "\r  Completed in ";
    printTimeDiff(detTMins);
    std::cout << " which is " << floor(evtsPerMin) << " iterations/min                " << std::flush << std::endl;

  }
}

Member Data Documentation

_nIterations

int LoadingBar::_nIterations

private

Definition at line 13 of file LoadingBar.h.

_nSteps

int LoadingBar::_nSteps

private

Definition at line 14 of file LoadingBar.h.

_prevStep

int LoadingBar::_prevStep

private

Definition at line 15 of file LoadingBar.h.

_tstart

time_t LoadingBar::_tstart

private

Definition at line 17 of file LoadingBar.h.

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The documentation for this class was generated from the following files:

• Mint/LoadingBar.h
• src/Mojito/Chi2Test/LoadingBar.cpp