piecewise_linear_distribution Class

Generates a piecewise linear distribution.

template<class RealType = double>
 class piecewise_linear_distribution {
public:
 typedef RealType result_type;
 struct param_type;
 piecewise_linear_distribution();
 template<class InIt1, class InIt2>
 piecewise_linear_distribution(InIt1 first1, InIt1 last1,
 InIt2 first2);
 template<class Fn>
 piecewise_linear_distribution(initializer_list<RealType> init, Fn func);
 template<class Fn>
 piecewise_linear_distribution(size_t count,
 double low, double high, Fn func);
 explicit piecewise_linear_distribution(const param_type& par0);
 std::vector<double> densities() const;
 std::vector<RealType> intervals() const;
 param_type param() const;
 void param(const param_type& par0);
 result_type min() const;
 result_type max() const;
 void reset();
 template<class Engine>
 result_type operator()(Engine& eng);
 template<class Engine>
 result_type operator()(Engine& eng,
 const param_type& par0);
private:
 std::vector<double> stored_p;
 std::vector<RealType> stored_x;
 };

Parameters

Remarks

The template class describes a distribution that produces values of a user-specified floating-point type distributed according to a varying-width histogram of probabilities, with probability varying linearly over each interval.

Three distributions are very similar:

• A discrete_distribution has uniform-width intervals with uniform probability in each interval.

• A piecewise_constant_distribution has varying-width intervals with uniform probability in each interval.

• A piecewise_linear_distribution has varying-width intervals with linearly varying probability over each interval.

Requirements

Header: <random>

Namespace: std

See Also

Reference

<random>

piecewise_linear_distribution::densities

piecewise_linear_distribution::intervals

piecewise_linear_distribution::operator()

piecewise_linear_distribution::param

piecewise_linear_distribution::param_type

piecewise_linear_distribution::piecewise_linear_distribution

Other Resources

<random> Members