randomGenerator.h

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#pragma once
 
#include "MersenneTwister.h"
#include "processor.h"
 
//
 
extern processor proc;
 
class randomGenerator {
 
    private :
 
    MTRand mtwist;                   
 
    public :
 
    inline double getRand() {
        return mtwist.rand();
    }
    inline int getRandInt(unsigned n) {
        return mtwist.randInt(n);
    }
 
    randomGenerator(const int aseed) : mtwist(proc.myid + aseed) {
    //randomGenerator(const int aseed) : mtwist(aseed) {
        if(aseed < 0)                // randomize the seed
            mtwist.seed();
    }
    randomGenerator()          : mtwist() {}
};