Random Class Reference

#include <random.h>

List of all members.

Public Member Functions
	Random ()
bool	GetBool ()
long	GetLong (long min, long max)
double	GetDouble ()
double	GetDouble (double max)
double	GetDouble (double min, double max)
Point2i	GetPoint (const Rectanglei &rect)
Point2i	GetPoint (const Point2i &pt)

---

Detailed Description

Definition at line 28 of file random.h.

---

Constructor & Destructor Documentation

Random::Random

(

)

Definition at line 30 of file random.cpp.

              {
  srand( time(NULL) );
}

---

Member Function Documentation

bool Random::GetBool

(

)

Definition at line 34 of file random.cpp.

                    {
  int moitie = RAND_MAX/2;
  return (rand() <= moitie);
}

Here is the caller graph for this function:

double Random::GetDouble	(	double	min,
		double	max
	)

Definition at line 56 of file random.cpp.

                                              {
        return min + GetDouble(max - min);
}

Here is the call graph for this function:

double Random::GetDouble

(

double

max

)

Definition at line 60 of file random.cpp.

                                  {
        return max * GetDouble();
}

Here is the call graph for this function:

double Random::GetDouble

(

)

Get a random number between 0.0 and 1.0

Returns:

A number between 0.0 and 1.0

Definition at line 69 of file random.cpp.

                        {
        return 1.0*rand()/(RAND_MAX + 1.0);
}

Here is the caller graph for this function:

long Random::GetLong	(	long	min,
		long	max
	)

Génère un nombre entier aléatoire compris dans [min;max]

Definition at line 42 of file random.cpp.

                                      {
        return min + (long)GetDouble(max - min + 1);
/*  double r = rand();
  
  r *= (max - min);
  r /= RAND_MAX;
  if( r >= 0 )
          r = floor(r + 0.5);
  else
          r = ceil(r - 0.5);
  
  return min + (long)r; */
}

Here is the call graph for this function:

Here is the caller graph for this function:

Point2i Random::GetPoint

(

const Point2i &

pt

)

Definition at line 87 of file random.cpp.

                                         {
        return Point2i( GetLong(0, pt.x - 1), GetLong(0, pt.y - 1) );
}

Here is the call graph for this function:

Point2i Random::GetPoint

(

const Rectanglei &

rect

)

Return a random point in the given rectangle.

Parameters:

rect

The rectangle in which the returned point will be.

Returns:

a random point.

Definition at line 79 of file random.cpp.

                                              {
        Point2i topPoint = rect.GetPosition();
        Point2i bottomPoint = rect.GetBottomRightPoint();
        
        return Point2i( GetLong(topPoint.x, bottomPoint.x), 
                        GetLong(topPoint.y, bottomPoint.y) );
}

Here is the call graph for this function:

---

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

• src/tool/random.h
• src/tool/random.cpp

---