---

RandomizerFeistel Class Reference

A bijection that uses Feistel permutations. More...

#include <randomizer.h>

List of all members.

Public Methods
	RandomizerFeistel (NodeCount noOfNodes)
	The constructor.
NodeID	operator() (NodeID nodeID) const
	The bijection.
Private Methods
void	initRandomNumbers ()
	Initializes the table of random numbers.
Private Attributes
NodeID	_sqRoot
	The next integer >= the square root of the given number of nodes.
int	randomNumbers [_noOfIterations][_maxSqRoot]
	The table of random numbers (used by the Feistel permutations).
Static Private Attributes
const int	_noOfIterations = 2
	The number of performed Feistel permutations.
const int	_maxSqRoot = 0x10000
	The maximum size of _sqRoot.

---

Detailed Description

A bijection that uses Feistel permutations.

Definition at line 66 of file randomizer.h.

---

Constructor & Destructor Documentation

RandomizerFeistel::RandomizerFeistel (  NodeCount    noOfNodes )  [inline]

The constructor. A bijection over {0,...,r^2-1} is initialized, whereat r is the next integer greater than or equal to the square root of a given n. Definition at line 74 of file randomizer.h. References _sqRoot, and initRandomNumbers().

---

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

• randomizer.h

---