public member function
<random>
| (1) | explicit bernoulli_distribution (double p = 0.5);
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| (2) | explicit bernoulli_distribution (const param_type& parm); |
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Construct bernoulli distribution
Constructs a bernoulli_distribution object with a probability of p (or with the probability specified by object parm).
Parameters
- p
- Probability of returning true.
This shall be a value between 0.0 and 1.0 (both included).
- parm
- An object representing the distribution's parameters, obtained by a call to member function param.
param_type is a member type.
Example
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// bernoulli_distribution example: fortune-teller
#include <iostream>
#include <string>
#include <random>
int main()
{
std::cout << "Please, enter a yes/no question (I will answer it):" << std::endl;
std::string text;
getline(std::cin,text);
std::seed_seq seed (text.begin(),text.end()); // seed using question
std::default_random_engine generator (seed);
std::bernoulli_distribution distribution(0.5);
bool result = distribution(generator);
std::cout << ( result ? "yes" : "no" ) << std::endl;
return 0;
}
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Possible output:
Please, enter a yes/no question (I will answer it):
Should I buy a new laptop?
no
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