AndroMeta/include/AndroMeta/MRandom.h

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/*
 * Copyright 2009-2012 AndroMeta LLC. All rights reserved.
 *
 * AndroMeta LLC retains all intellectual property and proprietary 
 * rights to this software and related documentation and any modifications 
 * thereto.  Any use, reproduction, disclosure, or distribution of this 
 * software and related documentation without an express license agreement 
 * from AndroMeta LLC is strictly prohibited.
 * 
 */

#ifndef ANDROMETA_M_RANDOM_H
#define ANDROMETA_M_RANDOM_H

#include <AndroMeta/MObject.h>

namespace Meta{
  
  class MRandom : public MObject{
  public:
    
    MRandom(uint64_t seed=0);
    
    MRandom(const mvar& v, RestoreOpt opt);
    
    MRandom(const MRandom& random);
    
    ~MRandom();
    
    void store(mvar& v) const;
    
    MObject* clone() const;
    
    void setSeed(uint64_t seed);
    
    uint64_t timeSeed();
    
    double uniform();
    
    double uniform(double a, double b);
    
    double exponential(double x);
    
    double normal(double m, double s);
    
    double erlang(double n, double x);
    
    double pareto(double k, double a);
    
    double lognormal(double a, double b);
    
    double chisquare(double n);
    
    // ---- discrete distributions
    
    long bernoulli(double p);
    
    long equilikely(long a, long b);
    
    long binomial(long n, double p);
    
    long geometric(double p);
    
    long bpascal(long n, double p);
    
    long poisson(double m);
    
    mvec sequence(long a, long b);
    
    virtual mnode process(mnode n, uint32_t flags=0);
    
  private:
    MRandom& operator=(const MRandom&);
    
    class MRandom_* x_;
  };
  
} // end namespace Meta

#endif // ANDROMETA_M_RANDOM_H