[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Helper for Extended floating point type.
Source position: syshelph.inc line 792
type TExtendedHelper = type helper |
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public |
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const |
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Epsilon = Extended; = 3.64519953188247460253e-4951 |
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Precision for this floating point type. |
MaxValue = Extended; = 1.18973149535723176505e+4932 |
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Largest possible value for the Extended floating point type. |
MinValue = Extended; = - 1.18973149535723176505e+4932 |
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Smallest (negative) possible value for the Extended floating point type. |
PositiveInfinity = Extended; = 1.0 / 0.0 |
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Positive infinity as represented by a Extended floating point type. |
NegativeInfinity = Extended; = (- 1.0) / (0.0) |
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Negative infinity as represented by a Extended floating point type. |
NaN = Extended; = 0.0 / 0.0 |
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Representation of NaN (Not a Number). |
public |
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class function ToString(); |
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Convert a Extended-sized floating point value to a string. |
class function Parse(); |
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Convert a string to a floating point value. |
class function TryParse(); |
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Try to convert a string to a Extended-sized floating point value. |
class function IsNan(); |
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Check whether a value equals NaN. |
class function IsInfinity(); |
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Check whether a value is positive or negative infinity. |
class function IsNegativeInfinity(); |
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Check whether a value is negative infinity. |
class function IsPositiveInfinity(); |
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Check whether a value is positive infinity. |
class function Size; |
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Size (in bytes) of a Extended-sized floating point value. |
procedure BuildUp(); |
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Build a Extended-sized floating point from its composing parts. |
function Exponent; |
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Exponent of the floating-point value. |
function Fraction; |
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Fraction of the floating-point value. |
function Mantissa; |
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Mantissa of the floating-point. |
function SpecialType; |
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Return the type of the Extended-sized floating point value. |
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Indexed access to the individual bytes of the floating point value. |
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Indexed access to the words that make up the floating point value. |
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property Sign: Boolean; [rw] |
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Sign of the floating point value. |
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The bit pattern of the exponent as stored in memory. |
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Bitpattern that makes up the fractional part. |
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end; |
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Helper for Extended floating point type. |
TExtendedHelper is the helper type for the Extended-sized floating point type. It contains some conversion methods, as well as access to the low-level structure of the floating-point representation of a Extended.
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Helper for Double floating point type. |
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Helper for Extended floating point type. |