cv::RNG Class Reference

#include <core.hpp>

Public Types
enum	{ UNIFORM =0, NORMAL =1 }

Public Member Functions
	RNG ()
	RNG (uint64 state)
unsigned	next ()
	updates the state and returns the next 32-bit unsigned integer random number More...
	operator uchar ()
	operator schar ()
	operator ushort ()
	operator short ()
	operator unsigned ()
unsigned	operator() (unsigned N)
	returns a random integer sampled uniformly from [0, N). More...
unsigned	operator() ()
	operator int ()
	operator float ()
	operator double ()
int	uniform (int a, int b)
	returns uniformly distributed integer random number from [a,b) range More...
float	uniform (float a, float b)
	returns uniformly distributed floating-point random number from [a,b) range More...
double	uniform (double a, double b)
	returns uniformly distributed double-precision floating-point random number from [a,b) range More...
void	fill (InputOutputArray mat, int distType, InputArray a, InputArray b, bool saturateRange=false)
double	gaussian (double sigma)
	returns Gaussian random variate with mean zero. More...

Public Attributes
uint64	state

Detailed Description

Random Number Generator

The class implements RNG using Multiply-with-Carry algorithm

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
UNIFORM
NORMAL

Constructor & Destructor Documentation

RNG() [1/2]

cv::RNG::RNG ( )

inline

RNG() [2/2]

cv::RNG::RNG ( uint64  state )

inline

Member Function Documentation

fill()

void cv::RNG::fill	(	InputOutputArray	mat,
		int	distType,
		InputArray	a,
		InputArray	b,
		bool	saturateRange = false
	)

gaussian()

double cv::RNG::gaussian

(

double

sigma

)

returns Gaussian random variate with mean zero.

next()

unsigned cv::RNG::next ( )

inline

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

operator double()

cv::RNG::operator double ( )

inline

operator float()

cv::RNG::operator float ( )

inline

operator int()

cv::RNG::operator int ( )

inline

operator schar()

cv::RNG::operator schar ( )

inline

operator short()

cv::RNG::operator short ( )

inline

operator uchar()

cv::RNG::operator uchar ( )

inline

operator unsigned()

cv::RNG::operator unsigned ( )

inline

operator ushort()

cv::RNG::operator ushort ( )

inline

operator()() [1/2]

unsigned cv::RNG::operator() ( unsigned  N )

inline

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

operator()() [2/2]

unsigned cv::RNG::operator() ( )

inline

uniform() [1/3]

int cv::RNG::uniform ( int  a, int  b  )

inline

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

uniform() [2/3]

float cv::RNG::uniform ( float  a, float  b  )

inline

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

uniform() [3/3]

double cv::RNG::uniform ( double  a, double  b  )

inline

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

Member Data Documentation

state

uint64 cv::RNG::state

---

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

• core/core.hpp
• operations.hpp