Kernel_Random.h

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#ifndef Kernel_Random_H
#define Kernel_Random_H
 
#include <random>
 
#include "kids/Kernel.h"
 
namespace PROJECT_NS {
class Kernel_Random : public Kernel {
   public:
    using rng_t     = std::mt19937;  
    using uid_range = std::uniform_int_distribution<int>::param_type;
    using pd_range  = std::poisson_distribution<int>::param_type;
 
    static rng_t rand_rng;
 
    static std::uniform_int_distribution<int>        rand_uid;  
    static std::uniform_real_distribution<kids_real> rand_udd;  
    static std::normal_distribution<kids_real>       rand_nd;   
    static std::poisson_distribution<int>            rand_pd;   
 
    virtual const std::string getName();
 
    virtual int getType() const;
 
    static int rand_catalog(int* res_arr, int N = 1, bool reset = false, int begin = 0, int end = 1);
 
    static int rand_uniform(kids_real* res_arr, int N = 1, kids_real sigma = 1.0);
 
    static int rand_gaussian(kids_real* res_arr, int N = 1, kids_real sigma = 1.0, kids_real mu = 0.0);
 
    static int rand_exponent(kids_real* res_arr, int N = 1);
 
    static int rand_poisson(int* res_arr, int N = 1, kids_real lambda = 1.0f);
 
    static int rand_simplex(kids_real* res_arr, int N = 1, kids_real constr = 1.0f);
 
    static int rand_sphere(kids_real* res_arr, int N = 1, kids_real constr = 1.0f);
 
   private:
    int* seed;
    bool restart;
 
    virtual void setInputDataSet_impl(std::shared_ptr<DataSet>& DS);
 
    virtual Status& initializeKernel_impl(Status& stat);
};
 
};  // namespace PROJECT_NS
 
 
#endif  // Kernel_Random_H