xrpl::test::csf::PowerLawDistribution Class Reference

Power-law distribution with PDF. More...

#include <random.h>

Collaboration diagram for xrpl::test::csf::PowerLawDistribution:

Public Types
using	result_type = double

Public Member Functions
	PowerLawDistribution (double xmin, double a)
template<class Generator>
double	operator() (Generator &g)

Private Attributes
double	xmin_
double	a_
double	inv_ {1.0 / (1.0 - a_)}
std::uniform_real_distribution< double >	uf_ {0, 1}

Detailed Description

Power-law distribution with PDF.

P(x) = (x/xmin)^-a

for a >= 1 and xmin >= 1

Definition at line 135 of file src/tests/libxrpl/csf/random.h.

Member Typedef Documentation

result_type

using xrpl::test::csf::PowerLawDistribution::result_type = double

Definition at line 143 of file src/tests/libxrpl/csf/random.h.

Constructor & Destructor Documentation

PowerLawDistribution()

xrpl::test::csf::PowerLawDistribution::PowerLawDistribution	(	double	xmin,
		double	a )

Definition at line 145 of file src/tests/libxrpl/csf/random.h.

Member Function Documentation

operator()()

template<class Generator>

double xrpl::test::csf::PowerLawDistribution::operator()

(

Generator &

g

)

Definition at line 151 of file src/tests/libxrpl/csf/random.h.

Member Data Documentation

xmin_

double xrpl::test::csf::PowerLawDistribution::xmin_

private

Definition at line 137 of file src/tests/libxrpl/csf/random.h.

a_

double xrpl::test::csf::PowerLawDistribution::a_

private

Definition at line 138 of file src/tests/libxrpl/csf/random.h.

inv_

double xrpl::test::csf::PowerLawDistribution::inv_ {1.0 / (1.0 - a_)}

private

Definition at line 139 of file src/tests/libxrpl/csf/random.h.

uf_

std::uniform_real_distribution<double> xrpl::test::csf::PowerLawDistribution::uf_ {0, 1}

private

Definition at line 140 of file src/tests/libxrpl/csf/random.h.