TSingleHelper

type TSingleHelper = type helper

public

const

  Epsilon = Single; = 1.4012984643248170709e-45

Precision for this floating point type.

  MaxValue = Single; = 340282346638528859811704183484516925440.0

Largest possible value for the Single floating point type.

  MinValue = Single; = - 340282346638528859811704183484516925440.0

Smallest (negative) possible value for the Single floating point type.

  PositiveInfinity = Single; = 1.0 / 0.0

Positive infinity as represented by a single floating point type.

  NegativeInfinity = Single; = (- 1.0) / (0.0)

Negative infinity as represented by a single floating point type.

  NaN = Single; = 0.0 / 0.0

Representation of NaN (Not a Number).

public

  class function IsNan();

Check whether a value equals NaN.

  class function IsInfinity();

Check whether a value is positive or negative infinity.

  class function IsNegativeInfinity();

Check whether a value is negative infinity.

  class function IsPositiveInfinity();

Check whether a value is positive infinity.

  class function Parse();

Convert a string to a floating point value.

  class function Size;

Size (in bytes) of a single-sized floating point value.

  class function ToString();

Convert a single-sized floating point value to a string.

  class function TryParse();

Try to convert a string to a single-sized floating point value.

  procedure BuildUp();

Build a single-sized floating point from its composing parts.

  function Exponent;

Exponent of the floating-point value.

  function Fraction;

Fraction of the floating-point value.

  function Mantissa;

Mantissa of the floating-point.

  function SpecialType;

Return the type of the single-sized floating point value.

  property Bytes []: Byte; [rw]

Indexed access to the individual bytes of the floating point value.

  property Words []: Word; [rw]

Indexed access to the words that make up the floating point value.

  property Sign: Boolean; [rw]

Sign of the floating point value.

  property Exp: QWord; [rw]

The bit pattern of the exponent as stored in memory.

  property Frac: QWord; [rw]

Bitpattern that makes up the fractional part.

end;

TSingleHelper

Helper for Single floating point type.

TDoubleHelper

Helper for Double floating point type.

TExtendedHelper

Helper for Extended floating point type.