OpenTissue::spatial_hashing::PrimeNumberHashFunction Class Reference

#include <spatial_hashing_prime_number_function.h>

List of all members.

Public Member Functions
	PrimeNumberHashFunction ()
	PrimeNumberHashFunction (size_t size)
size_t	operator() (int i, int j, int k)
void	resize (size_t new_size)
size_t	size () const
Protected Attributes
size_t	m_size
	The number of hash cells.
int	m_p1
	Large prime number.
int	m_p2
	Large prime number.
int	m_p3
	Large prime number.

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Detailed Description

Hash Function suggested by Teschner et. al.

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Constructor & Destructor Documentation

OpenTissue::spatial_hashing::PrimeNumberHashFunction::PrimeNumberHashFunction

(

)

[inline]

OpenTissue::spatial_hashing::PrimeNumberHashFunction::PrimeNumberHashFunction

(

size_t

size

)

[inline]

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Member Function Documentation

size_t OpenTissue::spatial_hashing::PrimeNumberHashFunction::operator()	(	int	i,
		int	j,
		int	k
	)			[inline]

Hash Function.

Parameters:

p

A discretized point (this is not verified by the implementation) identifying a unique grid cell.

Returns:

The index of a hash cell, which the grid cell should be mapped to.

void OpenTissue::spatial_hashing::PrimeNumberHashFunction::resize

(

size_t

new_size

)

[inline]

The closest prime number is found and the size is set to this number.

Parameters:

size

New size of hashtable.

size_t OpenTissue::spatial_hashing::PrimeNumberHashFunction::size

(

)

const [inline]

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Member Data Documentation

int OpenTissue::spatial_hashing::PrimeNumberHashFunction::m_p1 [protected]

Large prime number.

int OpenTissue::spatial_hashing::PrimeNumberHashFunction::m_p2 [protected]

Large prime number.

int OpenTissue::spatial_hashing::PrimeNumberHashFunction::m_p3 [protected]

Large prime number.

size_t OpenTissue::spatial_hashing::PrimeNumberHashFunction::m_size [protected]

The number of hash cells.

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

• /home/hauberg/Dokumenter/Capture/humim-tracker-0.1/src/OpenTissue/OpenTissue/collision/spatial_hashing/hash_functions/spatial_hashing_prime_number_function.h