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geometric_distribution::p

Returns the p distribution parameter.

RealType p() const;

The member function returns the stored value stored_p.

 

// std_tr1__random__geometric_distribution_p.cpp 
// compile with: /EHsc 
#include <random> 
#include <iostream> 
 
typedef std::mt19937 Myeng; 
typedef std::geometric_distribution<int, double> Mydist; 
int main() 
    { 
    Myeng eng; 
    Mydist dist(0.1); 
    Mydist::input_type engval = eng(); 
    Mydist::result_type distval = dist(eng); 
 
    distval = distval;  // to quiet "unused" warnings 
    engval = engval; 
 
    std::cout << "p == " << dist.p() << std::endl; 
 
    dist.reset(); // discard any cached values 
    std::cout << "a random value == " << dist(eng) << std::endl; 
    std::cout << "a random value == " << dist(eng) << std::endl; 
    std::cout << "a random value == " << dist(eng) << std::endl; 
 
    return (0); 
    } 
 
p == 0.1
a random value == 0
a random value == 1
a random value == 19

Header: <random>

Namespace: std

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