Random number generators and related functions for various distributions. More...

#include <cmath>
#include <cstdlib>
#include <limits>
#include <random>
#include <vector>

Namespaces
	rng
	Functions related to random number generators for various distributions.

Functions
double	rng::powerlaw_rand (std::vector< double > &param, std::mt19937 &_engine)
	Generates a random real number following a power-law distribution of the form $\rho(x) \propto x^{-\gamma}$ with $x\in(x_\mathrm{min},\infty)$ . More...

double	rng::powerlaw_m1 (std::vector< double > &param)
	Returns the first moment of a power-law distribution of the form $\rho(x) \propto x^{-\gamma}$ with $x\in(x_\mathrm{min},\infty)$ . More...

double	rng::powerlaw_hardcutoff_rand (std::vector< double > &param, std::mt19937 &_engine)
	Generates a random real number following a power-law distribution of the form $\rho(x)\propto x^{-\gamma}$ with $x\in(x_\mathrm{min},x_\mathrm{max})$ (i.e., hard cut-off). More...

double	rng::powerlaw_hardcutoff_m1 (std::vector< double > &param)
	Returns the first moment of a power-law distribution of the form $\rho(x) \propto x^{-\gamma}$ with $x\in(x_\mathrm{min},x_\mathrm{max})$ (i.e., hard cut-off). More...

double	rng::exponential_rand (std::vector< double > &param, std::mt19937 &_engine)
	Generates a random real number following an exponential distribution of the form $\rho(x)\propto \mathrm{e}^{-x/\beta}$ with $x\in(0,\infty)$ . More...

double	rng::exponential_m1 (double param)
	Returns the first moment of an exponential distribution of the form $\rho(x)\propto \mathrm{e}^{-x/\beta}$ with $x\in(0,\infty)$ . More...

double	rng::gamma_rand (std::vector< double > &param, std::mt19937 &_engine)
	Generates a random real number following a gamma distribution of the form $\rho(x)\propto x^{\alpha-1}\mathrm{e}^{-x/\beta}$ with $x\in(0,\infty)$ . More...

double	rng::gamma_m1 (std::vector< double > param)
	Returns the first moment of a gamma distribution of the form $\rho(x)\propto x^{\alpha-1}\mathrm{e}^{-x/\beta}$ with $x\in(0,\infty)$ . More...

Detailed Description

Random number generators and related functions for various distributions.

Author: Antoine Allard (antoineallard.info)

Date: Sept. 2015

Namespaces

Functions

Detailed Description