SimpleRandomNumberGenerator.h

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#ifndef SIMPLERANDOMNUMBERGENERATOR_H_
#define SIMPLERANDOMNUMBERGENERATOR_H_

class SimpleRandomNumberGenerator
{

public:
    SimpleRandomNumberGenerator()  { iset = 0; idum2=123456789; iy=0; };

    //  virtual ~SimpleRandomNumberGenerator();

public:

    double uniformRand();
    double uniformRand(double a, double b){ return a+(b-a)* uniformRand(); };

    int uniformRandInt(int a, int b) { return (int)(a+(b-a)* uniformRand()+0.5); };

    double normalRand();
    double normalRand(double mu, double sigma) { return mu + sigma * normalRand(); };

    void seed(long idum);

private:
    double uniform_rand(long *idum);

    long idum2;
    long iy;
#define NTAB 32
    long iv[NTAB];

    long IDUM;
    int iset;
    double gset;

};

#endif /*SIMPLERANDOMNUMBERGENERATOR_H_*/

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