spikestream::Util Class Reference

#include <Util.h>

List of all members.

Public Member Functions
bool	bitsEqual (unsigned char *byteArr, QString bitPattStr, int output)
Static Public Member Functions
static void	addTraining (WeightlessNeuron &neuron, QString trainingPattern, int output)
static void	fillByteArray (unsigned char *&byteArr, int &arrLen, QString byteStr)
static void	fillSelectionArray (bool *array, int arraySize, int selectionSize)
static bool	getBool (const QString &str)
static bool	getBoolParameter (const QString &paramName, QHash< QString, double > &paramMap)
static float	getFloat (const QString &str)
static int	getInt (const QString &str)
static unsigned int	getUInt (const QString &str)
static QList< unsigned int >	getUIntList (const QString &str)
static double	getDouble (const QString &str)
static double	getDoubleParameter (const QString &paramName, QHash< QString, double > &paramMap)
static double	getPositiveDoubleParameter (const QString &paramName, QHash< QString, double > &paramMap)
static float	getFloatParameter (const QString &paramName, QHash< QString, double > &paramMap)
static int	getIntParameter (const QString &paramName, QHash< QString, double > &paramMap)
static unsigned	getUIntParameter (const QString &paramName, QHash< QString, double > &paramMap)
static int	getRandom (int min, int max)
static double	getRandomDouble (double min, double max)
static float	getRandomFloat (float min, float max)
static unsigned	getRandomUInt (unsigned min, unsigned max)
static QString	getRootDirectory ()
static bool	isNumber (const QString &str)
static mpf_class	factorial (unsigned int num)
static float	min (float n1, float n2, float n3)
static void	printBinary (uint64_t number)
static void	printByteArray (byte *byteArr, int arrLen)
static void	printByteArray (const QByteArray &byteArr)
static void	printBoolArray (bool arr[], int arrLen)
static void	printParameterMap (const QHash< QString, double > &paramMap)
static double	rDouble (double num, int numPlaces)
static int	rInt (double num)
static unsigned int	rUInt (double num)
static void	safeCStringCopy (char target[], const char source[], int targetSize)
static void	seedRandom (int seed=0)
static void	setGeneralization (QHash< unsigned int, WeightlessNeuron * > &weiNeurMap, double gen)
static double	toPositive (double num)
static float	toPositive (float num)
static int	toPositive (int num)

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Detailed Description

Set of static utility methods.

Definition at line 22 of file Util.h.

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Member Function Documentation

void Util::addTraining	(	WeightlessNeuron &	neuron,
		QString	trainingPattern,
		int	output
	)		[static]

Adds the trainign pattern to the weightless neuron

Definition at line 385 of file Util.cpp.

bool Util::bitsEqual	(	unsigned char *	byteArr,
		QString	bitPattStr,
		int	output
	)

Returns true if the string of 1s and 0s matches the 1s and 0s in the byte array and the output

Definition at line 396 of file Util.cpp.

mpf_class Util::factorial

(

unsigned int

num

)

[static]

Returns the factorial of a number

Definition at line 20 of file Util.cpp.

void Util::fillByteArray	(	unsigned char *&	byteArr,
		int &	arrLen,
		QString	byteStr
	)		[static]

Fills the suplied array with the 1s and 0s specified in the string.

Definition at line 413 of file Util.cpp.

void Util::fillSelectionArray	(	bool *	selectionArray,
		int	arraySize,
		int	selectionSize
	)		[static]

Fills an array to select k neurons out of n.

Definition at line 29 of file Util.cpp.

bool Util::getBool

(

const QString &

str

)

[static]

Converts the QString to a bool. Throws a number conversion exception if the conversion fails.

Definition at line 44 of file Util.cpp.

bool Util::getBoolParameter	(	const QString &	paramName,
		QHash< QString, double > &	paramMap
	)		[static]

Gets a bool parameter out of the hash map with the specified name. Throws an exception if it cannot be found.

Definition at line 55 of file Util.cpp.

double Util::getDouble

(

const QString &

str

)

[static]

Converts the QString to a double Throws a number conversion exception if the conversion fails.

Definition at line 109 of file Util.cpp.

double Util::getDoubleParameter	(	const QString &	paramName,
		QHash< QString, double > &	paramMap
	)		[static]

Returns a double parameter from the supplied map and throws an exception if the parameter does not exist.

Definition at line 119 of file Util.cpp.

float Util::getFloat

(

const QString &

str

)

[static]

Converts the QString to a float. Throws a number conversion exception if the conversion fails.

Definition at line 66 of file Util.cpp.

float Util::getFloatParameter	(	const QString &	paramName,
		QHash< QString, double > &	paramMap
	)		[static]

Returns a float parameter from the supplied map and throws an exception if the parameter does not exist.

Definition at line 136 of file Util.cpp.

int Util::getInt

(

const QString &

str

)

[static]

Converts the QString to an integer. Throws a number conversion exception if the conversion fails.

Definition at line 77 of file Util.cpp.

int Util::getIntParameter	(	const QString &	paramName,
		QHash< QString, double > &	paramMap
	)		[static]

Returns an integer parameter from the supplied map and throws an exception if the parameter does not exist.

Definition at line 144 of file Util.cpp.

double Util::getPositiveDoubleParameter	(	const QString &	paramName,
		QHash< QString, double > &	paramMap
	)		[static]

Returns a double parameter from the supplied map and throws an exception if the parameter does not exist.

Definition at line 126 of file Util.cpp.

int Util::getRandom	(	int	min,
		int	max
	)		[static]

Returns a random integer in the range specified. Will be less and not equal to the maximum.

Definition at line 177 of file Util.cpp.

double Util::getRandomDouble	(	double	min,
		double	max
	)		[static]

Returns a random double in the specified range

Definition at line 188 of file Util.cpp.

float Util::getRandomFloat	(	float	min,
		float	max
	)		[static]

Returns a random float in the specified range

Definition at line 199 of file Util.cpp.

unsigned int Util::getRandomUInt	(	unsigned	min,
		unsigned	max
	)		[static]

Returns a random unsigned integer in the specified range

Definition at line 210 of file Util.cpp.

QString Util::getRootDirectory

(

)

[static]

Returns the root directory of the application. Assumes that application is launched from bin directory.

Definition at line 221 of file Util.cpp.

unsigned int Util::getUInt

(

const QString &

str

)

[static]

Converts the QString to an unsigned integer. Throws a number conversion exception if the conversion fails.

Definition at line 88 of file Util.cpp.

QList< unsigned int > Util::getUIntList

(

const QString &

str

)

[static]

Converts a string containing a comma separated list of unsigned integers into a qlist of unsigned ints

Definition at line 98 of file Util.cpp.

unsigned Util::getUIntParameter	(	const QString &	paramName,
		QHash< QString, double > &	paramMap
	)		[static]

Returns an unsigned parameter from the supplied map and throws an exception if the parameter does not exist.

Definition at line 154 of file Util.cpp.

bool Util::isNumber

(

const QString &

str

)

[static]

Returns true if the string is a number

Definition at line 233 of file Util.cpp.

float Util::min	(	float	n1,
		float	n2,
		float	n3
	)		[static]

Returns the minimum of three numbers

Definition at line 268 of file Util.cpp.

void Util::printBinary

(

uint64_t

number

)

[static]

Prints out a binary number

Definition at line 279 of file Util.cpp.

void Util::printBoolArray	(	bool	arr[],
		int	arrLen
	)		[static]

Prints out a bool array

Definition at line 294 of file Util.cpp.

void Util::printByteArray	(	byte *	byteArr,
		int	arrLen
	)		[static]

Prints out the byte array

Definition at line 307 of file Util.cpp.

void Util::printByteArray

(

const QByteArray &

byteArr

)

[static]

Prints out the bits in a QByteArray

Definition at line 320 of file Util.cpp.

void Util::printParameterMap

(

const QHash< QString, double > &

paramMap

)

[static]

Prints out the names and values of the parameters stored in the map

Definition at line 166 of file Util.cpp.

double Util::rDouble	(	double	num,
		int	numPlaces
	)		[static]

Rounds the given double to the specified number of decimal places.

Definition at line 336 of file Util.cpp.

int Util::rInt

(

double

num

)

[static]

Rounds the double and returns it as an integer

Definition at line 345 of file Util.cpp.

unsigned int Util::rUInt

(

double

num

)

[static]

Rounds the double and returns it as an unsigned integer

Definition at line 352 of file Util.cpp.

void Util::safeCStringCopy	(	char	target[],
		const char	source[],
		int	targetSize
	)		[static]

Carries out a safe copy of source cstring to target cstring that is no larger than targetSize.

Definition at line 359 of file Util.cpp.

void Util::seedRandom

(

int

seed = 0

)

[static]

Seeds the random number generator. If the seed is not specified or zero, number of seconds to midnight is used as the seed.

Definition at line 374 of file Util.cpp.

void Util::setGeneralization	(	QHash< unsigned int, WeightlessNeuron * > &	weiNeurMap,
		double	gen
	)		[static]

Sets the generalization in a map of weightless neurons.

Definition at line 433 of file Util.cpp.

double Util::toPositive

(

double

num

)

[static]

Converts number to a positive number if it is negative

Definition at line 440 of file Util.cpp.

float Util::toPositive

(

float

num

)

[static]

Converts number to a positive number if it is negative

Definition at line 448 of file Util.cpp.

int Util::toPositive

(

int

num

)

[static]

Converts number to a positive number if it is negative

Definition at line 456 of file Util.cpp.

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

• Util.h
• Util.cpp