System.Number Class Reference

Classes
struct	BigInteger
struct	DiyFp
struct	FloatingPointInfo
class	Grisu3
struct	NumberBuffer

Static Public Member Functions
static void	Dragon4Double (double value, int cutoffNumber, bool isSignificantDigits, ref NumberBuffer number)
static void	Dragon4Half (Half value, int cutoffNumber, bool isSignificantDigits, ref NumberBuffer number)
static void	Dragon4Single (float value, int cutoffNumber, bool isSignificantDigits, ref NumberBuffer number)
static unsafe string	FormatDecimal (decimal value, ReadOnlySpan< char > format, NumberFormatInfo info)
static unsafe bool	TryFormatDecimal (decimal value, ReadOnlySpan< char > format, NumberFormatInfo info, Span< char > destination, out int charsWritten)
static string	FormatDouble (double value, string format, NumberFormatInfo info)
static bool	TryFormatDouble (double value, ReadOnlySpan< char > format, NumberFormatInfo info, Span< char > destination, out int charsWritten)
static string	FormatSingle (float value, string format, NumberFormatInfo info)
static bool	TryFormatSingle (float value, ReadOnlySpan< char > format, NumberFormatInfo info, Span< char > destination, out int charsWritten)
static string	FormatHalf (Half value, string format, NumberFormatInfo info)
static bool	TryFormatHalf (Half value, ReadOnlySpan< char > format, NumberFormatInfo info, Span< char > destination, out int charsWritten)
static string	FormatInt32 (int value, int hexMask, string format, IFormatProvider provider)
static bool	TryFormatInt32 (int value, int hexMask, ReadOnlySpan< char > format, IFormatProvider provider, Span< char > destination, out int charsWritten)
static string	FormatUInt32 (uint value, string format, IFormatProvider provider)
static bool	TryFormatUInt32 (uint value, ReadOnlySpan< char > format, IFormatProvider provider, Span< char > destination, out int charsWritten)
static string	FormatInt64 (long value, string format, IFormatProvider provider)
static bool	TryFormatInt64 (long value, ReadOnlySpan< char > format, IFormatProvider provider, Span< char > destination, out int charsWritten)
static string	FormatUInt64 (ulong value, string format, IFormatProvider provider)
static bool	TryFormatUInt64 (ulong value, ReadOnlySpan< char > format, IFormatProvider provider, Span< char > destination, out int charsWritten)
static string	Int32ToDecStr (int value)
static string	Int64ToDecStr (long value)

Package Types
enum	NumberBufferKind : byte { Unknown , Integer , Decimal , FloatingPoint }
enum	ParsingStatus { OK , Failed , Overflow }

Static Package Functions
static unsafe void	DecimalToNumber (ref decimal d, ref NumberBuffer number)
static unsafe byte *	UInt32ToDecChars (byte *bufferEnd, uint value, int digits)
static unsafe char *	UInt32ToDecChars (char *bufferEnd, uint value, int digits)
static unsafe string	UInt32ToDecStr (uint value)
static unsafe string	UInt64ToDecStr (ulong value, int digits)
static char	ParseFormatSpecifier (ReadOnlySpan< char > format, out int digits)
static void	NumberToString (ref ValueStringBuilder sb, ref NumberBuffer number, char format, int nMaxDigits, NumberFormatInfo info)
static unsafe void	NumberToStringFormat (ref ValueStringBuilder sb, ref NumberBuffer number, ReadOnlySpan< char > format, NumberFormatInfo info)
static unsafe void	RoundNumber (ref NumberBuffer number, int pos, bool isCorrectlyRounded)
static int	ParseInt32 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static long	ParseInt64 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static uint	ParseUInt32 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static ulong	ParseUInt64 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static ParsingStatus	TryParseInt32 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out int result)
static ParsingStatus	TryParseInt32IntegerStyle (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out int result)
static ParsingStatus	TryParseInt64IntegerStyle (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out long result)
static ParsingStatus	TryParseInt64 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out long result)
static ParsingStatus	TryParseUInt32 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out uint result)
static ParsingStatus	TryParseUInt32IntegerStyle (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out uint result)
static ParsingStatus	TryParseUInt32HexNumberStyle (ReadOnlySpan< char > value, NumberStyles styles, out uint result)
static ParsingStatus	TryParseUInt64 (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out ulong result)
static ParsingStatus	TryParseUInt64IntegerStyle (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out ulong result)
static decimal	ParseDecimal (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static unsafe bool	TryNumberToDecimal (ref NumberBuffer number, ref decimal value)
static double	ParseDouble (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static float	ParseSingle (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static Half	ParseHalf (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info)
static unsafe ParsingStatus	TryParseDecimal (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out decimal result)
static bool	SpanStartsWith (ReadOnlySpan< char > span, char c)
static unsafe bool	TryParseDouble (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out double result)
static unsafe bool	TryParseHalf (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out Half result)
static unsafe bool	TryParseSingle (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out float result)
static unsafe bool	TryStringToNumber (ReadOnlySpan< char > value, NumberStyles styles, ref NumberBuffer number, NumberFormatInfo info)
static void	ThrowOverflowOrFormatException (ParsingStatus status, TypeCode type=TypeCode.Empty)
static void	ThrowOverflowException (TypeCode type)
static double	NumberToDouble (ref NumberBuffer number)
static Half	NumberToHalf (ref NumberBuffer number)
static float	NumberToSingle (ref NumberBuffer number)

Static Private Member Functions
static unsafe uint	Dragon4 (ulong mantissa, int exponent, uint mantissaHighBitIdx, bool hasUnequalMargins, int cutoffNumber, bool isSignificantDigits, Span< byte > buffer, out int decimalExponent)
static int	GetFloatingPointMaxDigitsAndPrecision (char fmt, ref int precision, NumberFormatInfo info, out bool isSignificantDigits)
static unsafe string	FormatDouble (ref ValueStringBuilder sb, double value, ReadOnlySpan< char > format, NumberFormatInfo info)
static unsafe string	FormatSingle (ref ValueStringBuilder sb, float value, ReadOnlySpan< char > format, NumberFormatInfo info)
static unsafe string	FormatHalf (ref ValueStringBuilder sb, Half value, ReadOnlySpan< char > format, NumberFormatInfo info)
static bool	TryCopyTo (string source, Span< char > destination, out int charsWritten)
static char	GetHexBase (char fmt)
static unsafe void	Int32ToNumber (int value, ref NumberBuffer number)
static unsafe string	NegativeInt32ToDecStr (int value, int digits, string sNegative)
static unsafe bool	TryNegativeInt32ToDecStr (int value, int digits, string sNegative, Span< char > destination, out int charsWritten)
static unsafe string	Int32ToHexStr (int value, char hexBase, int digits)
static unsafe bool	TryInt32ToHexStr (int value, char hexBase, int digits, Span< char > destination, out int charsWritten)
static unsafe char *	Int32ToHexChars (char *buffer, uint value, int hexBase, int digits)
static unsafe void	UInt32ToNumber (uint value, ref NumberBuffer number)
static unsafe string	UInt32ToDecStr (uint value, int digits)
static unsafe bool	TryUInt32ToDecStr (uint value, int digits, Span< char > destination, out int charsWritten)
static unsafe void	Int64ToNumber (long input, ref NumberBuffer number)
static unsafe string	NegativeInt64ToDecStr (long input, int digits, string sNegative)
static unsafe bool	TryNegativeInt64ToDecStr (long input, int digits, string sNegative, Span< char > destination, out int charsWritten)
static unsafe string	Int64ToHexStr (long value, char hexBase, int digits)
static unsafe bool	TryInt64ToHexStr (long value, char hexBase, int digits, Span< char > destination, out int charsWritten)
static unsafe void	UInt64ToNumber (ulong value, ref NumberBuffer number)
static unsafe bool	TryUInt64ToDecStr (ulong value, int digits, Span< char > destination, out int charsWritten)
static void	FormatCurrency (ref ValueStringBuilder sb, ref NumberBuffer number, int nMaxDigits, NumberFormatInfo info)
static unsafe void	FormatFixed (ref ValueStringBuilder sb, ref NumberBuffer number, int nMaxDigits, int[] groupDigits, string sDecimal, string sGroup)
static void	FormatNumber (ref ValueStringBuilder sb, ref NumberBuffer number, int nMaxDigits, NumberFormatInfo info)
static unsafe void	FormatScientific (ref ValueStringBuilder sb, ref NumberBuffer number, int nMaxDigits, NumberFormatInfo info, char expChar)
static unsafe void	FormatExponent (ref ValueStringBuilder sb, NumberFormatInfo info, int value, char expChar, int minDigits, bool positiveSign)
static unsafe void	FormatGeneral (ref ValueStringBuilder sb, ref NumberBuffer number, int nMaxDigits, NumberFormatInfo info, char expChar, bool bSuppressScientific)
static void	FormatPercent (ref ValueStringBuilder sb, ref NumberBuffer number, int nMaxDigits, NumberFormatInfo info)
static unsafe int	FindSection (ReadOnlySpan< char > format, int section)
static uint	Low32 (ulong value)
static uint	High32 (ulong value)
static uint	Int64DivMod1E9 (ref ulong value)
static ulong	ExtractFractionAndBiasedExponent (double value, out int exponent)
static ushort	ExtractFractionAndBiasedExponent (Half value, out int exponent)
static uint	ExtractFractionAndBiasedExponent (float value, out int exponent)
static unsafe void	AccumulateDecimalDigitsIntoBigInteger (ref NumberBuffer number, uint firstIndex, uint lastIndex, out BigInteger result)
static ulong	AssembleFloatingPointBits (in FloatingPointInfo info, ulong initialMantissa, int initialExponent, bool hasZeroTail)
static ulong	ConvertBigIntegerToFloatingPointBits (ref BigInteger value, in FloatingPointInfo info, uint integerBitsOfPrecision, bool hasNonZeroFractionalPart)
static unsafe uint	DigitsToUInt32 (byte *p, int count)
static unsafe ulong	DigitsToUInt64 (byte *p, int count)
static unsafe ulong	NumberToDoubleFloatingPointBits (ref NumberBuffer number, in FloatingPointInfo info)
static unsafe ushort	NumberToHalfFloatingPointBits (ref NumberBuffer number, in FloatingPointInfo info)
static unsafe uint	NumberToSingleFloatingPointBits (ref NumberBuffer number, in FloatingPointInfo info)
static ulong	NumberToFloatingPointBitsSlow (ref NumberBuffer number, in FloatingPointInfo info, uint positiveExponent, uint integerDigitsPresent, uint fractionalDigitsPresent)
static ulong	RightShiftWithRounding (ulong value, int shift, bool hasZeroTail)
static bool	ShouldRoundUp (bool lsbBit, bool roundBit, bool hasTailBits)
static unsafe bool	TryNumberToInt32 (ref NumberBuffer number, ref int value)
static unsafe bool	TryNumberToInt64 (ref NumberBuffer number, ref long value)
static unsafe bool	TryNumberToUInt32 (ref NumberBuffer number, ref uint value)
static unsafe bool	TryNumberToUInt64 (ref NumberBuffer number, ref ulong value)
static unsafe bool	TryParseNumber (ref char *str, char *strEnd, NumberStyles styles, ref NumberBuffer number, NumberFormatInfo info)
static unsafe ParsingStatus	TryParseInt32Number (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out int result)
static unsafe ParsingStatus	TryParseInt64Number (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out long result)
static unsafe ParsingStatus	TryParseUInt32Number (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out uint result)
static unsafe ParsingStatus	TryParseUInt64Number (ReadOnlySpan< char > value, NumberStyles styles, NumberFormatInfo info, out ulong result)
static ParsingStatus	TryParseUInt64HexNumberStyle (ReadOnlySpan< char > value, NumberStyles styles, out ulong result)
static bool	TrailingZeros (ReadOnlySpan< char > value, int index)
static bool	IsSpaceReplacingChar (char c)
static unsafe char *	MatchNegativeSignChars (char *p, char *pEnd, NumberFormatInfo info)
static unsafe char *	MatchChars (char *p, char *pEnd, string value)
static bool	IsWhite (int ch)
static bool	IsDigit (int ch)
static Exception	GetException (ParsingStatus status, TypeCode type)

Static Private Attributes
static readonly string[]	s_singleDigitStringCache = new string[10] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }
static readonly string[]	s_posCurrencyFormats = new string[4] { "$#", "#$", "$ #", "# $" }
static readonly string[]	s_negCurrencyFormats
static readonly string[]	s_posPercentFormats = new string[4] { "# %", "#%", "%#", "% #" }
static readonly string[]	s_negPercentFormats
static readonly string[]	s_negNumberFormats = new string[5] { "(#)", "-#", "- #", "#-", "# -" }
static readonly float[]	s_Pow10SingleTable
static readonly double[]	s_Pow10DoubleTable

Detailed Description

Definition at line 12 of file Number.cs.

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

• source/System.Private.CoreLib/System/Number.cs