Random Number Generator. More...
#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 |
Random Number Generator.
The class implements RNG using Multiply-with-Carry algorithm
cv::RNG::RNG | ( | ) |
cv::RNG::RNG | ( | uint64 | state | ) |
unsigned cv::RNG::next | ( | ) |
updates the state and returns the next 32-bit unsigned integer random number
cv::RNG::operator uchar | ( | ) |
cv::RNG::operator schar | ( | ) |
cv::RNG::operator ushort | ( | ) |
cv::RNG::operator short | ( | ) |
cv::RNG::operator unsigned | ( | ) |
unsigned cv::RNG::operator() | ( | unsigned | N | ) |
returns a random integer sampled uniformly from [0, N).
unsigned cv::RNG::operator() | ( | ) |
cv::RNG::operator int | ( | ) |
cv::RNG::operator float | ( | ) |
cv::RNG::operator double | ( | ) |
returns uniformly distributed integer random number from [a,b) range
float cv::RNG::uniform | ( | float | a, |
float | b | ||
) |
returns uniformly distributed floating-point random number from [a,b) range
double cv::RNG::uniform | ( | double | a, |
double | b | ||
) |
returns uniformly distributed double-precision floating-point random number from [a,b) range
void cv::RNG::fill | ( | InputOutputArray | mat, |
int | distType, | ||
InputArray | a, | ||
InputArray | b, | ||
bool | saturateRange = false |
||
) |
double cv::RNG::gaussian | ( | double | sigma | ) |
returns Gaussian random variate with mean zero.
uint64 cv::RNG::state |