PLMD::maze::rnd Class Reference

Mersenne Twister sampler for random variables. More...

#include "maze/Random_MT.h"

Static Public Member Functions
static std::mt19937_64 &	mt_eng ()
	Initialize MT sampler engine based on std::mt19937_64. More...
static double	next_cauchy (double m, double s)
	Returns a random double from the Cauchy distribution. More...
static double	next_double (double f, double e)
	Returns a random double from the uniform distribution from a [f, e) range. More...
static double	next_double (double e)
static double	next_double ()
static std::vector< double >	next_double (double f, double e, std::size_t n)
	Returns a random vector<double> from the uniform distribution from a [f, e) range of length n. More...
static int	next_int (int f, int e)
	Returns a random int from the uniform distribution from a [f, e) range. More...
static int	next_int (int e)
static Vector	next_plmd_vector ()
	Returns a random PLMD::Vector of length r. More...
static Vector	next_plmd_vector (double r)
static std::vector< double >	next_std_vector ()
	Returns a random std::vector of length r. More...
static std::vector< double >	next_std_vector (double r)
static void	randomize ()
	Feed a random seed. More...

Detailed Description

Mersenne Twister sampler for random variables.

Supports generating integers, doubles, and std::vectors and PLMD::Vectors within a given range.

Member Function Documentation

mt_eng()

std::mt19937_64 & PLMD::maze::rnd::mt_eng ( )

inlinestatic

Initialize MT sampler engine based on std::mt19937_64.

next_cauchy()

double PLMD::maze::rnd::next_cauchy ( double  m, double  s  )

inlinestatic

Returns a random double from the Cauchy distribution.

Parameters

m	mean
s	spread

next_double() [1/4]

double PLMD::maze::rnd::next_double ( double  f, double  e  )

inlinestatic

Returns a random double from the uniform distribution from a [f, e) range.

next_double() [2/4]

double PLMD::maze::rnd::next_double ( double  e )

inlinestatic

next_double() [3/4]

double PLMD::maze::rnd::next_double ( )

inlinestatic

next_double() [4/4]

static std::vector<double> PLMD::maze::rnd::next_double ( double  f, double  e, std::size_t  n  )

static

Returns a random vector<double> from the uniform distribution from a [f, e) range of length n.

next_int() [1/2]

int PLMD::maze::rnd::next_int ( int  f, int  e  )

inlinestatic

Returns a random int from the uniform distribution from a [f, e) range.

Parameters

f	begin
e	end

next_int() [2/2]

int PLMD::maze::rnd::next_int ( int  e )

inlinestatic

next_plmd_vector() [1/2]

Vector PLMD::maze::rnd::next_plmd_vector ( )

inlinestatic

Returns a random PLMD::Vector of length r.

next_plmd_vector() [2/2]

Vector PLMD::maze::rnd::next_plmd_vector ( double  r )

inlinestatic

next_std_vector() [1/2]

std::vector< double > PLMD::maze::rnd::next_std_vector ( )

inlinestatic

Returns a random std::vector of length r.

next_std_vector() [2/2]

std::vector< double > PLMD::maze::rnd::next_std_vector ( double  r )

inlinestatic

randomize()

void PLMD::maze::rnd::randomize ( )

inlinestatic

Feed a random seed.

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The documentation for this class was generated from the following file:

• maze/Random_MT.h