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std::binomial_distribution::param

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< cpp‎ | numeric‎ | random‎ | binomial distribution
Revision as of 06:27, 4 March 2014 by Wanttoknow (Talk | contribs)

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param_type param() const;
(1) (since C++11)
void param( const param_type& params );
(2) (since C++11)

Manages the associated distribution parameter set.

1) Returns the associated parameter set.

2) Sets the associated parameter set to params

Contents

[edit] Parameters

params - new contents of the associated parameter set

[edit] Return value

1) The associated parameter set

2) (none)

[edit] Complexity

Constant.

[edit] Example

#include <iostream>
#include <random>
 
int main()
{
    std::random_device rd;
    std::mt19937 gen(rd());
    using BinomialDist = std::binomial_distribution<>;
    BinomialDist bino_dis(1, 0.5);
 
    std::cout << "A sample of Binomial(  1, 0.5): " << bino_dis(gen) << '\n';
 
    // Use another parameter set
    bino_dis.param(BinomialDist::param_type(100,0.9));
    std::cout << "A sample of Binomial(100, 0.9): " << bino_dis(gen) << '\n';
}

Possible output:

A sample of Binomial(  1, 0.5): 0
A sample of Binomial(100, 0.9): 94