strus::PseudoRandom Class Reference

Pseudo random generator. Fast generator for series of pseudo random numbers where the security is not an issue and the quality of the distribution has not to be guaranteed. More...

#include <pseudoRandom.hpp>

Public Member Functions
	PseudoRandom ()
	Constructor with seed derived from current date (granularity day) More...
	PseudoRandom (int seed_)
	Constructor with seed passed as argument. More...
int	get (int start_, int end_)
	Get the next "random" number between two numbers. More...
int	select (unsigned int psize, int firstValue,...)
	Get the next "random" value of a specified set. More...

Detailed Description

Pseudo random generator. Fast generator for series of pseudo random numbers where the security is not an issue and the quality of the distribution has not to be guaranteed.

Constructor & Destructor Documentation

strus::PseudoRandom::PseudoRandom

(

)

Constructor with seed derived from current date (granularity day)

strus::PseudoRandom::PseudoRandom ( int  seed_ )

explicit

Constructor with seed passed as argument.

Member Function Documentation

int strus::PseudoRandom::get	(	int	start_,
		int	end_
	)

Get the next "random" number between two numbers.

Parameters

[in]	start_	minumum result
[in]	end_	upper border of range (first number not included)

Returns

"randomly" selected integer in [start_,end_[

int strus::PseudoRandom::select	(	unsigned int	psize,
		int	firstValue,
			...
	)

Get the next "random" value of a specified set.

Parameters

[in]	psize	size of candidate set
[in]	firstValue	first result candidate (for ensuring that there is at least one)
[in]	...	list of other candidates to select one from (int's)

Returns

"randomly" selected candidate

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

• /home/patrick/Projects/github/strusBase/include/strus/base/pseudoRandom.hpp