System::Double Struct Reference

Contains methods to work with the double-precision floating-point number. More...

#include <double.h>

Static Public Member Functions
static double	Parse (const String &value)
	Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value. More...
static double	Parse (const String &value, const SharedPtr< IFormatProvider > &provider)
	Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information. More...
static double	Parse (const String &value, const SharedPtr< Globalization::CultureInfo > &culture)
static double	Parse (const String &value, const SharedPtr< Globalization::NumberFormatInfo > &nfi)
static double	Parse (const String &value, std::nullptr_t)
static double	Parse (const String &value, Globalization::NumberStyles styles, const SharedPtr< IFormatProvider > &provider)
	Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information and number style. More...
static double	Parse (const String &value, Globalization::NumberStyles styles, const SharedPtr< Globalization::CultureInfo > &culture)
static double	Parse (const String &value, Globalization::NumberStyles styles, const SharedPtr< Globalization::NumberFormatInfo > &nfi)
static double	Parse (const String &value, Globalization::NumberStyles styles, std::nullptr_t=nullptr)
static bool	TryParse (const String &value, double &result)
	Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value. More...
static bool	TryParse (const String &value, Globalization::NumberStyles styles, const SharedPtr< IFormatProvider > &provider, double &result)
	Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information and number style. More...
static bool	TryParse (const String &value, Globalization::NumberStyles styles, const SharedPtr< Globalization::CultureInfo > &culture, double &result)
static bool	TryParse (const String &value, Globalization::NumberStyles styles, const SharedPtr< Globalization::NumberFormatInfo > &nfi, double &result)
static bool	TryParse (const String &value, Globalization::NumberStyles styles, std::nullptr_t, double &result)

Static Public Attributes
static constexpr double	MinValue = std::numeric_limits<double>::lowest()
	Smallest possible value. More...
static constexpr double	MaxValue = (std::numeric_limits<double>::max)()
	Largest possible value. More...
static constexpr double	Epsilon = std::numeric_limits<double>::epsilon()
	Smallest positive value that is greater than zero. More...
static constexpr double	NaN = std::numeric_limits<double>::quiet_NaN()
	Value that is not a number. More...
static constexpr double	NegativeInfinity = -std::numeric_limits<double>::infinity()
	Negative infinity. More...
static constexpr double	PositiveInfinity = std::numeric_limits<double>::infinity()
	Positive infinity. More...

Detailed Description

Contains methods to work with the double-precision floating-point number.

Member Function Documentation

Parse() [1/9]

static double System::Double::Parse ( const String &  value )

static

Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value.

Parameters

value

The string to convert.

Returns

The double-precision floating-point value equal to the number represented by the specified string.

Parse() [2/9]

static double System::Double::Parse ( const String &  value, const SharedPtr< Globalization::CultureInfo > &  culture  )

static

Parse() [3/9]

static double System::Double::Parse ( const String &  value, const SharedPtr< Globalization::NumberFormatInfo > &  nfi  )

static

Parse() [4/9]

static double System::Double::Parse ( const String &  value, const SharedPtr< IFormatProvider > &  provider  )

static

Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information.

Parameters

value	The string to convert.
provider	A pointer to an object that contains the string format information.

Returns

The double-precision floating-point value equal to the number represented by the specified string.

Parse() [5/9]

static double System::Double::Parse ( const String &  value, Globalization::NumberStyles  styles, const SharedPtr< Globalization::CultureInfo > &  culture  )

static

Parse() [6/9]

static double System::Double::Parse ( const String &  value, Globalization::NumberStyles  styles, const SharedPtr< Globalization::NumberFormatInfo > &  nfi  )

static

Parse() [7/9]

static double System::Double::Parse ( const String &  value, Globalization::NumberStyles  styles, const SharedPtr< IFormatProvider > &  provider  )

static

Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information and number style.

Parameters

value	The string to convert.
styles	A bitwise combination of values of NumberStyles enum that specifies the permitted style of the string representation of a number.
provider	A pointer to an object that contains the string format information.

Returns

The double-precision floating-point value equal to the number represented by the specified string.

Parse() [8/9]

static double System::Double::Parse ( const String &  value, Globalization::NumberStyles  styles, std::nullptr_t  = nullptr  )

static

Parse() [9/9]

static double System::Double::Parse ( const String &  value, std::nullptr_t    )

inlinestatic

TryParse() [1/5]

static bool System::Double::TryParse ( const String &  value, double &  result  )

static

Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value.

Parameters

value	The string to convert.
result	The reference to a double-precision floating-point variable where the result of the conversion is put.

Returns

True if the conversion succeeded, otherwise - false.

TryParse() [2/5]

static bool System::Double::TryParse ( const String &  value, Globalization::NumberStyles  styles, const SharedPtr< Globalization::CultureInfo > &  culture, double &  result  )

static

TryParse() [3/5]

static bool System::Double::TryParse ( const String &  value, Globalization::NumberStyles  styles, const SharedPtr< Globalization::NumberFormatInfo > &  nfi, double &  result  )

static

TryParse() [4/5]

static bool System::Double::TryParse ( const String &  value, Globalization::NumberStyles  styles, const SharedPtr< IFormatProvider > &  provider, double &  result  )

static

Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information and number style.

Parameters

value	The string to convert.
styles	A bitwise combination of values of NumberStyles enum that specifies the permitted style of the string representation of a number.
provider	A pointer to an object that contains the string format information.
result	The reference to a double-precision floating-point variable where the result of the conversion is put.

Returns

True if the conversion succeeded, otherwise - false.

TryParse() [5/5]

static bool System::Double::TryParse ( const String &  value, Globalization::NumberStyles  styles, std::nullptr_t  , double &  result  )

static

Member Data Documentation

Epsilon

constexpr double System::Double::Epsilon = std::numeric_limits<double>::epsilon()

staticconstexpr

Smallest positive value that is greater than zero.

MaxValue

constexpr double System::Double::MaxValue = (std::numeric_limits<double>::max)()

staticconstexpr

Largest possible value.

MinValue

constexpr double System::Double::MinValue = std::numeric_limits<double>::lowest()

staticconstexpr

Smallest possible value.

NaN

constexpr double System::Double::NaN = std::numeric_limits<double>::quiet_NaN()

staticconstexpr

Value that is not a number.

NegativeInfinity

constexpr double System::Double::NegativeInfinity = -std::numeric_limits<double>::infinity()

staticconstexpr

Negative infinity.

PositiveInfinity

constexpr double System::Double::PositiveInfinity = std::numeric_limits<double>::infinity()

staticconstexpr

Positive infinity.