randomGen.h

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/*--------------------------------------------------------------------------
   Author: Thomas Nowotny
  
   Institute: Institute for Nonlinear Dynamics
              University of California San Diego
              La Jolla, CA 92093-0402
  
   email to:  tnowotny@ucsd.edu
  
   initial version: 2002-02-01
  
--------------------------------------------------------------------------*/

#ifndef RANDOMGEN_H
#define RANDOMGEN_H 
//--------------------------------------------------------------------------

//--------------------------------------------------------------------------

#include <time.h>
#include <limits.h>
#include <stdlib.h>
#include <assert.h>
#include "isaac.cc"

//--------------------------------------------------------------------------
//--------------------------------------------------------------------------

class randomGen
{
 private:
  QTIsaac<8, unsigned long> TheGen; 
  double a;
  
 public:
  explicit randomGen();
  randomGen(unsigned long, unsigned long, unsigned long);
  ~randomGen() { }
  double n();  
  void srand(unsigned long, unsigned long, unsigned long);
};

class stdRG
{
 private:
  double themax;
    
 public:
  explicit stdRG();
  stdRG(unsigned int);
  ~stdRG() { }
  double n();
  unsigned long nlong();
};

#endif