random.h

 
/**********************************************************************
* Random number generator class:
* Right now everything is statically allocated, could go to
* structure to allow multiple random objects with different seeds.
* Last Mod.: 4/09/96 - 
**********************************************************************/
 
#include "basedef.h"
 
 
class BASE_EXPORT Random 
{
 public:
 Random() {}
 ~Random() {}
 struct Info {
 bool bSet;
 double dGSet;
 int iOne;
 int iTwo;
 int iThree;
 };
 
 static double Gauss();
 // Returns gaussian distribution between 0.0 and 1.0
 static double Uniform();
 // Returns linear distribution between 0.0 and 1.0
 static double LogNormal(double mean, double SD);
 // Returns linear distribution between 0.0 and 1.0
 static void Seed(int i=0);
 // Should be same magnitude as default seed (10000).
 // Default used if i=0.
 static Info GetInfo();
 static void SetInfo(const Info &inf);
};