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Helper for Single floating point type
Source position: syshelph.inc line 201
type TSingleHelper = type helper |
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public |
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Const |
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Precision for this floating point type |
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MaxValue = MaxValue; = 340282346638528859811704183484516925440.0 |
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Largest possible value for the Single floating point type |
MinValue = MinValue; = - 340282346638528859811704183484516925440.0 |
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Smallest (negative) possible value for the Single floating point type |
PositiveInfinity = PositiveInfinity; = 1.0 / 0.0 |
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Positive infinity as represented by a single floating point type |
NegativeInfinity = NegativeInfinity; = (- 1.0) / (0.0) |
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Negative infinity as represented by a single floating point type |
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Representation of NaN (Not a Number) |
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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 Parse(); |
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Convert a string to a floating point value |
class function Size; |
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Size (in bytes) of a single-sized floating point value. |
class function ToString(); |
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Convert a single-sized floating point value to a string |
class function TryParse(); |
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Try to convert a string to a single-sized floating point value. |
procedure BuildUp(); |
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Build a single-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 single-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 Single floating point type |
TSingleHelper is the helper type for the single-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 single.
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Helper for Double floating point type |
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Helper for Extended floating point type |