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src/biu/RandomNumberGenerator.hh

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#ifndef RANDOMNUMBERGENERATOR_HH_
#define RANDOMNUMBERGENERATOR_HH_

namespace biu {

class RandomNumberGenerator
{
protected:
    unsigned int seed;
    
public:
    RandomNumberGenerator(unsigned int seed_ = 1) : seed(seed_) {};
    RandomNumberGenerator(RandomNumberGenerator& c) : seed(c.seed) {};
    virtual ~RandomNumberGenerator() {};

    virtual void setSeed(unsigned int seed) = 0;
    
    virtual unsigned int getRN() = 0;
    
    virtual unsigned int getMaxRN() = 0;
    
    virtual RandomNumberGenerator* copy(void) = 0;
};

class RNG_ISO : public RandomNumberGenerator
{
private:
    using RandomNumberGenerator::seed;
    
public:
    RNG_ISO(unsigned int seed = 1);
    virtual ~RNG_ISO();

    virtual void setSeed(unsigned int _seed);
    
    virtual unsigned int getRN();
    
    virtual unsigned int getMaxRN();

    virtual RandomNumberGenerator* copy(void);
};

class RNG_LCG : public RandomNumberGenerator
{
private:
    using RandomNumberGenerator::seed;

public:
    RNG_LCG(unsigned int seed = 1);
    virtual ~RNG_LCG();
    
    virtual void setSeed(unsigned int _seed);
    
    virtual unsigned int getRN();
    
    virtual unsigned int getMaxRN();

    virtual RandomNumberGenerator* copy(void);
};

} // end namespace biu

#endif /*RANDOMNUMBERGENERATOR_HH_*/