RandCache Class Reference

A cache of random values. More...

#include <RandCache.h>

List of all members.

Public Types
typedef WFMath::MTRand::uint32	uint32
	Unsigned 32bit integer.
typedef std::vector< uint32 > ::size_type	size_type
	Size type of std::vector.
Public Member Functions
	RandCache (uint32 seed, Ordering *o)
	Constructor.
	RandCache (uint32 *seed, uint32 seed_len, Ordering *o)
	Constructor.
double	operator() (int x, int y)
	Retrieve a random value associated with parameters.
Private Attributes
WFMath::MTRand	m_rand
	Source random number generator.
std::vector< uint32 >	m_cache
	Store for the cache of values.
Ordering *	m_ordering
	Ordering object that defines the ordering of the cache.
Classes
struct	Ordering
	Interface to define the ordering of the random number cache. More...

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Detailed Description

A cache of random values.

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Constructor & Destructor Documentation

RandCache::RandCache	(	uint32	seed,
		Ordering *	o
	)			[inline]

Constructor.

Parameters:

	seed	the random seed value for generated numbers.
	o	the ordering object that defines the sequence generated.

RandCache::RandCache	(	uint32 *	seed,
		uint32	seed_len,
		Ordering *	o
	)			[inline]

Constructor.

Parameters:

	seed	the random seed block for generated numbers.
	seed_len	the length of the seed block.
	o	the ordering object that defines the sequence generated.

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Member Function Documentation

double RandCache::operator()	(	int	x,
		int	y
	)			[inline]

Retrieve a random value associated with parameters.

Parameters:

	x	coordinate associated with value to be retrieved.
	y	coordinate associated with value to be retrieved.

References m_cache, and m_rand.

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

• RandCache.h