#include <xalanc/PlatformSupport/DoubleSupport.hpp>

Classes
struct	addFunction

struct	divideFunction

struct	equalFunction

struct	greaterThanFunction

struct	greaterThanOrEqualFunction

struct	lessThanFunction

struct	lessThanOrEqualFunction

struct	modulusFunction

struct	multiplyFunction

struct	negativeFunction

struct	notEqualFunction

union	NumberUnion

struct	subtractFunction

Static Public Member Functions
static void	initialize ()
	Perform static initialization. More...

static void	terminate ()
	Perform static shut down. More...

static bool	isNaN (double theNumber)
	Determine if target is not a number. More...

static bool	isPositiveInfinity (double theNumber)
	Determine if target is positive infinity. More...

static bool	isNegativeInfinity (double theNumber)
	Determine if target is negative infinity. More...

static bool	isPositiveZero (double theNumber)
	Determine if target is positive 0. More...

static bool	isNegativeZero (double theNumber)
	Determine if target is negative 0. More...

static double	getNaN ()
	Double value that represents "not a number". More...

static double	getPositiveInfinity ()
	Double value that represents positive infinity. More...

static double	getNegativeInfinity ()
	Double value that represents negative infinity. More...

static bool	equal (double theLHS, double theRHS)
	Compare two double values, taking into account the fact that we must support IEEE 754. More...

static bool	notEqual (double theLHS, double theRHS)
	Compare two double values, taking into account the fact that we must support IEEE 754. More...

static bool	lessThan (double theLHS, double theRHS)
	Compare two double values, taking into account the fact that we must support IEEE 754. More...

static bool	lessThanOrEqual (double theLHS, double theRHS)
	Compare two double values, taking into account the fact that we must support IEEE 754. More...

static bool	greaterThan (double theLHS, double theRHS)
	Compare two double values, taking into account the fact that we must support IEEE 754. More...

static bool	greaterThanOrEqual (double theLHS, double theRHS)
	Compare two double values, taking into account the fact that we must support IEEE 754. More...

static double	add (double theLHS, double theRHS)
	Add two double values, taking into account the fact that we must support IEEE 754. More...

static double	subtract (double theLHS, double theRHS)
	Subtract two double values, taking into account the fact that we must support IEEE 754. More...

static double	multiply (double theLHS, double theRHS)
	Multiply two double values, taking into account the fact that we must support IEEE 754. More...

static double	divide (double theLHS, double theRHS)
	Divide two double values, taking into account the fact that we must support IEEE 754. More...

static double	modulus (double theLHS, double theRHS)
	Determine the modulus two double values, taking into account the fact that we must support IEEE 754. More...

static double	negative (double theDouble)
	Determine the negative of a double value, taking into account the fact that we must support IEEE 754. More...

static double	abs (double theDouble)
	Return the absolute value of theDouble. More...

static bool	isValid (const XalanDOMString &theString)
	Determine whether or not a string contains a valid floating point number. More...

static bool	isValid (const XalanDOMChar *theString)
	Determine whether or not a string contains a valid floating point number. More...

static double	toDouble (const XalanDOMString &theString, MemoryManager &theManager)
	Convert a string to a double value. More...

static double	toDouble (const XalanDOMChar *theString, MemoryManager &theManager)
	Convert a string to a double value. More...

static double	round (double theValue)
	Round a number according to the XPath rules. More...

static double	ceiling (double theValue)
	Returns the ceiling of a number according to the XPath rules. More...

static double	floor (double theValue)
	Returns the floor of a number according to the XPath rules. More...

Detailed Description

Definition at line 54 of file DoubleSupport.hpp.

Member Function Documentation

◆ abs()

static double xalanc::DoubleSupport::abs ( double theDouble )

static

Return the absolute value of theDouble.

If theDouble is NaN, NaN is returned

Parameters

theDouble a number to fabs

Returns: the result of the fabs

◆ add()

static double xalanc::DoubleSupport::add	(	double	theLHS,
		double	theRHS
	)

static

Add two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to add
theRHS	a number to add

Returns: the result of the addition

◆ ceiling()

static double xalanc::DoubleSupport::ceiling ( double theValue )

inlinestatic

Returns the ceiling of a number according to the XPath rules.

Parameters

theValue The value to round.

Returns: The result of the rounding

Definition at line 548 of file DoubleSupport.hpp.

◆ divide()

static double xalanc::DoubleSupport::divide	(	double	theLHS,
		double	theRHS
	)

static

Divide two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to divide
theRHS	a number to divide

Returns: the result of the division

◆ equal()

static bool xalanc::DoubleSupport::equal	(	double	theLHS,
		double	theRHS
	)

static

Compare two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to compare
theRHS	a number to compare

Returns: the result of the compare

◆ floor()

static double xalanc::DoubleSupport::floor ( double theValue )

inlinestatic

Returns the floor of a number according to the XPath rules.

Parameters

theValue The value to round.

Returns: The result of the rounding

Definition at line 561 of file DoubleSupport.hpp.

◆ getNaN()

static double xalanc::DoubleSupport::getNaN ( )

inlinestatic

Double value that represents "not a number".

Returns: "not a number" value

Definition at line 155 of file DoubleSupport.hpp.

◆ getNegativeInfinity()

static double xalanc::DoubleSupport::getNegativeInfinity ( )

inlinestatic

Double value that represents negative infinity.

Returns: negative infinity value

Definition at line 177 of file DoubleSupport.hpp.

◆ getPositiveInfinity()

static double xalanc::DoubleSupport::getPositiveInfinity ( )

inlinestatic

Double value that represents positive infinity.

Returns: positive infinity value

Definition at line 166 of file DoubleSupport.hpp.

◆ greaterThan()

static bool xalanc::DoubleSupport::greaterThan	(	double	theLHS,
		double	theRHS
	)

static

Compare two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to compare
theRHS	a number to compare

Returns: the result of the compare

◆ greaterThanOrEqual()

static bool xalanc::DoubleSupport::greaterThanOrEqual	(	double	theLHS,
		double	theRHS
	)

static

Compare two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to compare
theRHS	a number to compare

Returns: the result of the compare

◆ initialize()

static void xalanc::DoubleSupport::initialize ( )

static

Perform static initialization.

See class PlatformSupportInit.

◆ isNaN()

static bool xalanc::DoubleSupport::isNaN ( double theNumber )

inlinestatic

Determine if target is not a number.

Parameters

theNumber target number

Returns: true if target represents the "not a number" value

Definition at line 83 of file DoubleSupport.hpp.

◆ isNegativeInfinity()

static bool xalanc::DoubleSupport::isNegativeInfinity ( double theNumber )

inlinestatic

Determine if target is negative infinity.

Parameters

theNumber target number

Returns: true if target represents the value for negative infinity

Definition at line 115 of file DoubleSupport.hpp.

◆ isNegativeZero()

static bool xalanc::DoubleSupport::isNegativeZero ( double theNumber )

inlinestatic

Determine if target is negative 0.

Parameters

theNumber target number

Returns: true if target represents the value for negative 0

Definition at line 139 of file DoubleSupport.hpp.

◆ isPositiveInfinity()

static bool xalanc::DoubleSupport::isPositiveInfinity ( double theNumber )

inlinestatic

Determine if target is positive infinity.

Parameters

theNumber target number

Returns: true if target represents the value for positive infinity

Definition at line 103 of file DoubleSupport.hpp.

◆ isPositiveZero()

static bool xalanc::DoubleSupport::isPositiveZero ( double theNumber )

inlinestatic

Determine if target is positive 0.

Parameters

theNumber target number

Returns: true if target represents the value for positive 0.

Definition at line 127 of file DoubleSupport.hpp.

◆ isValid() [1/2]

static bool xalanc::DoubleSupport::isValid ( const XalanDOMChar * theString )

static

Determine whether or not a string contains a valid floating point number.

Parameters

theString The string to check.

Returns: true if the string is valid, false if not.

◆ isValid() [2/2]

static bool xalanc::DoubleSupport::isValid ( const XalanDOMString & theString )

static

Determine whether or not a string contains a valid floating point number.

Parameters

theString The string to check.

Returns: true if the string is valid, false if not.

◆ lessThan()

static bool xalanc::DoubleSupport::lessThan	(	double	theLHS,
		double	theRHS
	)

static

Compare two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to compare
theRHS	a number to compare

Returns: the result of the compare

◆ lessThanOrEqual()

static bool xalanc::DoubleSupport::lessThanOrEqual	(	double	theLHS,
		double	theRHS
	)

static

Compare two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to compare
theRHS	a number to compare

Returns: the result of the compare

◆ modulus()

static double xalanc::DoubleSupport::modulus	(	double	theLHS,
		double	theRHS
	)

static

Determine the modulus two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to divide
theRHS	a number to divide

Returns: the result of the modulus

◆ multiply()

static double xalanc::DoubleSupport::multiply	(	double	theLHS,
		double	theRHS
	)

static

Multiply two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to multiply
theRHS	a number to multiply

Returns: the result of the multiplication

◆ negative()

static double xalanc::DoubleSupport::negative ( double theDouble )

static

Determine the negative of a double value, taking into account the fact that we must support IEEE 754.

Parameters

theDouble a number to negate

Returns: the result of the negation

◆ notEqual()

static bool xalanc::DoubleSupport::notEqual	(	double	theLHS,
		double	theRHS
	)

inlinestatic

Compare two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to compare
theRHS	a number to compare

Returns: the result of the compare

Definition at line 204 of file DoubleSupport.hpp.

◆ round()

static double xalanc::DoubleSupport::round ( double theValue )

static

Round a number according to the XPath rules.

Parameters

theValue The value to round.

Returns: The result of the rounding

◆ subtract()

static double xalanc::DoubleSupport::subtract	(	double	theLHS,
		double	theRHS
	)

static

Subtract two double values, taking into account the fact that we must support IEEE 754.

Parameters

theLHS	a number to subtract
theRHS	a number to subtract

Returns: the result of the subtraction

◆ terminate()

static void xalanc::DoubleSupport::terminate ( )

static

Perform static shut down.

See class PlatformSupportInit.

◆ toDouble() [1/2]

static double xalanc::DoubleSupport::toDouble	(	const XalanDOMChar *	theString,
		MemoryManager &	theManager
	)

static

Convert a string to a double value.

Returns NaN if the string is not a valid floating point number.

Parameters

theString	The string to convert.
theManager	The MemoryManager instance to use.

Returns: The result of the conversion

◆ toDouble() [2/2]

static double xalanc::DoubleSupport::toDouble	(	const XalanDOMString &	theString,
		MemoryManager &	theManager
	)

static

Convert a string to a double value.

Returns NaN if the string is not a valid floating point number.

Parameters

theString	The string to convert.
theManager	The MemoryManager instance to use.

Returns: The result of the conversion

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

xalanc/PlatformSupport/DoubleSupport.hpp

Classes

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ abs()

◆ add()

◆ ceiling()

◆ divide()

◆ equal()

◆ floor()

◆ getNaN()

◆ getNegativeInfinity()

◆ getPositiveInfinity()

◆ greaterThan()

◆ greaterThanOrEqual()

◆ initialize()

◆ isNaN()

◆ isNegativeInfinity()

◆ isNegativeZero()

◆ isPositiveInfinity()

◆ isPositiveZero()

◆ isValid() [1/2]

◆ isValid() [2/2]

◆ lessThan()

◆ lessThanOrEqual()

◆ modulus()

◆ multiply()

◆ negative()

◆ notEqual()

◆ round()

◆ subtract()

◆ terminate()

◆ toDouble() [1/2]

◆ toDouble() [2/2]