cv::RNG Class Reference

#include <core.hpp>

List of all members.

Public Types
enum	{ UNIFORM = 0, NORMAL = 1 }
Public Member Functions
void	fill (Mat &mat, int distType, const Scalar &a, const Scalar &b)
double	gaussian (double sigma)
	returns Gaussian random variate with mean zero.
unsigned	next ()
	updates the state and returns the next 32-bit unsigned integer random number
	operator double ()
	operator float ()
	operator int ()
	operator schar ()
	operator short ()
	operator uchar ()
	operator unsigned ()
	operator ushort ()
unsigned	operator() (unsigned N)
	returns a random integer sampled uniformly from [0, N).
unsigned	operator() ()
	RNG (uint64 _state)
	RNG ()
float	uniform (float a, float b)
	returns uniformly distributed floating-point random number from [a,b) range
double	uniform (double a, double b)
	returns uniformly distributed double-precision floating-point random number from [a,b) range
int	uniform (int a, int b)
	returns uniformly distributed integer random number from [a,b) range
Public Attributes
uint64	state

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Detailed Description

Random Number Generator

The class implements RNG using Multiply-with-Carry algorithm

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Member Enumeration Documentation

anonymous enum

Enumerator:

UNIFORM
NORMAL

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Constructor & Destructor Documentation

cv::RNG::RNG

(

)

[inline]

cv::RNG::RNG

(

uint64

_state

)

[inline]

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Member Function Documentation

void cv::RNG::fill	(	Mat &	mat,
		int	distType,
		const Scalar &	a,
		const Scalar &	b
	)

double cv::RNG::gaussian

(

double

sigma

)

returns Gaussian random variate with mean zero.

unsigned cv::RNG::next

(

)

[inline]

updates the state and returns the next 32-bit unsigned integer random number

cv::RNG::operator double

(

)

[inline]

cv::RNG::operator float

(

)

[inline]

cv::RNG::operator int

(

)

[inline]

cv::RNG::operator schar

(

)

[inline]

cv::RNG::operator short

(

)

[inline]

cv::RNG::operator uchar

(

)

[inline]

cv::RNG::operator unsigned

(

)

[inline]

cv::RNG::operator ushort

(

)

[inline]

unsigned cv::RNG::operator()

(

)

[inline]

unsigned cv::RNG::operator()

(

unsigned

N

)

[inline]

returns a random integer sampled uniformly from [0, N).

int cv::RNG::uniform	(	int	a,
		int	b
	)		[inline]

returns uniformly distributed integer random number from [a,b) range

float cv::RNG::uniform	(	float	a,
		float	b
	)		[inline]

returns uniformly distributed floating-point random number from [a,b) range

double cv::RNG::uniform	(	double	a,
		double	b
	)		[inline]

returns uniformly distributed double-precision floating-point random number from [a,b) range

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Member Data Documentation

uint64 cv::RNG::state

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

• /usr/src/RPM/BUILD/libopencv2.2-2.2.0/modules/core/include/opencv2/core/core.hpp
• /usr/src/RPM/BUILD/libopencv2.2-2.2.0/modules/core/include/opencv2/core/operations.hpp