Double Class Reference
[Types]

double helper type. More...

#include <Double.h>

Inheritance diagram for Double:

Public Member Functions
	Double (const double d)
	Double (const Double &d)
virtual int32	HashCode () const
virtual bool	Equals (const IComparable *a) const
virtual int	Compare (const IComparable *a) const
virtual bool	Equals (const IComparable &a) const
virtual int	Compare (const IComparable &a) const
virtual int32	MajicNumber () const
	Class instances with the same majic number are of the same type (can be casted). Majic numbers above 0xFFFF are available for user applications.
virtual int	ToInt () const
virtual double	ToDouble () const
virtual StringPtr	ToString () const
	operator double ()
virtual void	ValidateMem () const
virtual void	CheckMem () const
Static Public Member Functions
static float64	Parse (const char *cp, const int cplen)
static float64	Parse (const String &str)
static float64	Parse (const String *str)
static bool	IsDouble (const char *cp, const int cplen)
static bool	IsDouble (const String &str)
static bool	IsDouble (const String *str)
static bool	IsFloat (const char *cp, const int cplen)
static bool	IsFloat (const String &str)
static bool	IsFloat (const String *str)
static StringPtr	ToString (float64 i)
static StringPtr	ToString (float32 i)
static bool	IsNaN (double d)
static bool	IsPositiveZero (double d)
static bool	IsNegativeZero (double d)
static double	PositiveInfinity ()
static double	NegativeInfinity ()
static bool	IsPositiveInfinity (double d)
static bool	IsNegativeInfinity (double d)

Detailed Description

double helper type.

Definition at line 35 of file Double.h.

Member Function Documentation

static bool Double::IsDouble ( const String * str ) [inline, static]

Test if the argument can be parsed to a double.

Parameters:

str

string representation of a floating point number.

Returns:: True if Parse() will succeed.

Definition at line 119 of file Double.h.

References IsDouble().

Referenced by IsDouble().

static bool Double::IsDouble ( const String & str ) [inline, static]

Test if the argument can be parsed to a double.

Parameters:

str

string representation of a floating point number.

Returns:: True if Parse() will succeed.

Definition at line 111 of file Double.h.

References IsDouble().

Referenced by IsDouble().

bool Double::IsDouble	(	const char *	cp,
		const int	cplen
	)			`[static]`

Test if the argument can be parsed to a double.

Parameters:

	cp	string representation of a floating point number.
	cplen	the length of cp.

Returns:: True if Parse() will succeed.

Definition at line 915 of file Numeric.cpp.

Referenced by IsFloat().

static bool Double::IsFloat ( const String * str ) [inline, static]

Test if the argument can be parsed to a float.

Parameters:

str

string representation of a floating point number.

Returns:: True if Parse() will succeed.

Definition at line 144 of file Double.h.

References IsDouble().

static bool Double::IsFloat ( const String & str ) [inline, static]

Test if the argument can be parsed to a float.

Parameters:

str

string representation of a floating point number.

Returns:: True if Parse() will succeed.

Definition at line 136 of file Double.h.

References IsDouble().

static bool Double::IsFloat	(	const char *	cp,
		const int	cplen
	)			`[inline, static]`

Test if the argument can be parsed to a float.

Parameters:

	cp	string representation of a floating point number.
	cplen	the length of cp.

Returns:: True if Parse() will succeed.

Definition at line 128 of file Double.h.

References IsDouble().

bool Double::IsNaN ( double d ) [static]

Determine if target is not a number

Parameters:

d

target number

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

Definition at line 875 of file Numeric.cpp.

static bool Double::IsNegativeInfinity ( double d ) [inline, static]

Determine if target is negative infinity

Parameters:

d

target number

Returns:: true if target represents the value for negative infinity

Definition at line 219 of file Double.h.

References NegativeInfinity().

bool Double::IsNegativeZero ( double d ) [static]

Determine if target is negative 0

Parameters:

d

target number

Returns:: true if target represents the value for negative 0

Definition at line 885 of file Numeric.cpp.

static bool Double::IsPositiveInfinity ( double d ) [inline, static]

Determine if target is positive infinity

Parameters:

d

target number

Returns:: true if target represents the value for positive infinity

Definition at line 208 of file Double.h.

References PositiveInfinity().

bool Double::IsPositiveZero ( double d ) [static]

Determine if target is positive 0.

Parameters:

d

target number

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

Definition at line 880 of file Numeric.cpp.

double Double::NegativeInfinity ( ) [static]

Determine if target is negative infinity

Parameters:

d

target number

Returns:: true if target represents the value for negative infinity

Definition at line 895 of file Numeric.cpp.

Referenced by IsNegativeInfinity().

static float64 Double::Parse ( const String * str ) [inline, static]

Convert the argument to a double.

Exceptions:

InvalidArgumentException

if the argument cannot be parsed.

Parameters:

i

string representation of a floating point number.

Returns:: True if Parse() will succeed.

Definition at line 94 of file Double.h.

References Parse().

Referenced by Parse().

static float64 Double::Parse ( const String & str ) [inline, static]

Convert the argument to a double.

Exceptions:

InvalidArgumentException

if the argument cannot be parsed.

Parameters:

str

string representation of a floating point number.

Returns:: True if Parse() will succeed.

Definition at line 85 of file Double.h.

References Parse().

Referenced by Parse().

float64 Double::Parse	(	const char *	cp,
		const int	cplen
	)			`[static]`

Convert the argument to a double.

Exceptions:

InvalidArgumentException

if the argument cannot be parsed.

Parameters:

	cp	string representation of a floating point number.
	cplen	the length of cp in bytes.

Returns:: True if Parse() will succeed.

Definition at line 910 of file Numeric.cpp.

double Double::PositiveInfinity ( ) [static]

Determine if target is positive 0.

Parameters:

d

target number

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

Definition at line 890 of file Numeric.cpp.

Referenced by IsPositiveInfinity().

static StringPtr Double::ToString ( float32 i ) [inline, static]

Creates a string representation of the value

Parameters:

i

target number

Returns:: A string representation of the argument. Trailing zeros are truncated.

Definition at line 160 of file Double.h.

References ToString().

Referenced by ToString().

StringPtr Double::ToString ( float64 i ) [static]

Creates a string representation of the value

Parameters:

i

target number

Returns:: A string representation of the argument. Trailing zeros are truncated.

Definition at line 920 of file Numeric.cpp.

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

spl/Double.h
src/Numeric.cpp

Double Class Reference [Types]

Public Member Functions

Static Public Member Functions

Detailed Description

Member Function Documentation

Double Class Reference
[Types]