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);
};