carma::util::WalshFunction Class Reference

Class to generate and manipulate Walsh functions. More...

#include <carma/util/WalshFunction.h>

Public Member Functions
void	dump (bool whitespace=true) const
	Dump the values to stdout. More...
bool	getValue (int function, int value) const
	Get value. More...
void	graph () const
	Graph the values to stdout, looks like __–__–. More...
	WalshFunction (int nStates)
	Constructor, generates a WalshSequence number of states in the sequence Must be a power of two; not to exceed 256. More...
virtual	~WalshFunction ()
	Destructor. More...

Detailed Description

Class to generate and manipulate Walsh functions.

Walsh Functions: The reference used is Applications of Walsh and Related Functions, by K.G. Beauchamp. We generate Walsh functions from the difference equation, cf p. 20.

Definition at line 35 of file WalshFunction.h.

Constructor & Destructor Documentation

carma::util::WalshFunction::WalshFunction

(

int

nStates

)

Constructor, generates a WalshSequence number of states in the sequence Must be a power of two; not to exceed 256.

Exceptions

ErrorException

when rows are not power of two

virtual carma::util::WalshFunction::~WalshFunction ( )

virtual

Destructor.

Member Function Documentation

void carma::util::WalshFunction::dump

(

bool

whitespace = true

)

const

Dump the values to stdout.

Parameters

whitespace

- put a blank character in between values

bool carma::util::WalshFunction::getValue	(	int	function,
		int	value
	)		const

Get value.

Parameters

function	Walsh function number (start at 0)
index	of value within the function (start at 0)

Exceptions

ErrorException

if function or index is out of range

void carma::util::WalshFunction::graph

(

)

const

Graph the values to stdout, looks like __–__–.

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

• carma/util/WalshFunction.h