itpp::Normal_RNG Class Reference
[Random Number Generation]

Normal distribution. More...

#include <itpp/base/random.h>

List of all members.

Public Member Functions
	Normal_RNG (double meanval, double variance)
	Constructor. Set mean and variance.
	Normal_RNG ()
	Constructor. Set mean and variance.
void	setup (double meanval, double variance)
	Set mean, and variance.
void	get_setup (double &meanval, double &variance) const
	Get mean and variance.
double	operator() ()
	Get one sample.
vec	operator() (int n)
	Get a sample vector.
mat	operator() (int h, int w)
	Get a sample matrix.
double	sample ()
	Get a Normal distributed (0,1) sample.
void	sample_vector (int size, vec &out)
	Get a Normal distributed (0,1) vector.
void	sample_matrix (int rows, int cols, mat &out)
	Get a Normal distributed (0,1) matrix.

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Detailed Description

Normal distribution.

Definition at line 404 of file random.h.

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Constructor & Destructor Documentation

itpp::Normal_RNG::Normal_RNG	(	double	meanval,
		double	variance
	)			[inline]

Constructor. Set mean and variance.

Definition at line 407 of file random.h.

References setup().

itpp::Normal_RNG::Normal_RNG

(

)

[inline]

Constructor. Set mean and variance.

Definition at line 409 of file random.h.

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Member Function Documentation

void itpp::Normal_RNG::setup	(	double	meanval,
		double	variance
	)			[inline]

Set mean, and variance.

Definition at line 411 of file random.h.

References itpp::sqrt().

Referenced by Normal_RNG().

void itpp::Normal_RNG::get_setup	(	double &	meanval,
		double &	variance
	)			const

Get mean and variance.

Definition at line 255 of file random.cpp.

double itpp::Normal_RNG::operator()

(

)

[inline]

Get one sample.

Definition at line 416 of file random.h.

References sample().

vec itpp::Normal_RNG::operator()

(

int

n

)

[inline]

Get a sample vector.

Definition at line 418 of file random.h.

References sample_vector().

mat itpp::Normal_RNG::operator()	(	int	h,
		int	w
	)			[inline]

Get a sample matrix.

Definition at line 420 of file random.h.

References sample_matrix().

double itpp::Normal_RNG::sample

(

)

[inline]

Get a Normal distributed (0,1) sample.

Definition at line 422 of file random.h.

References itpp::log(), itpp::Random_Generator::random_01(), and itpp::sqrt().

Referenced by operator()(), itpp::randn(), sample_matrix(), and sample_vector().

void itpp::Normal_RNG::sample_vector	(	int	size,
		vec &	out
	)			[inline]

Get a Normal distributed (0,1) vector.

Definition at line 435 of file random.h.

References sample().

Referenced by operator()(), and itpp::randn().

void itpp::Normal_RNG::sample_matrix	(	int	rows,
		int	cols,
		mat &	out
	)			[inline]

Get a Normal distributed (0,1) matrix.

Definition at line 442 of file random.h.

References sample().

Referenced by operator()(), and itpp::randn().

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

• itpp/base/random.h
• itpp/base/random.cpp

Generated on Wed Apr 18 11:23:40 2007 for IT++ by Doxygen 1.5.2