[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

TDoubleHelper.BuildUp

Build a Double-sized floating point from its composing parts

Declaration

Source position: syshelph.inc line 301

public procedure TDoubleHelper.BuildUp(

  const ASignFlag: Boolean;

  const AMantissa: QWord;

  const AExponent: Integer

);

Description

BuildUp will compose a Double-sized floating point value from the sign ASignFlag, mantissa AMantissa and exponent AExponent. It simply sets the Sign, Exp and Frac properties in 1 call.

See also

TDoubleHelper.Sign

  

Sign of the floating point value

TDoubleHelper.Exp

  

The bit pattern of the exponent as stored in memory.

TDoubleHelper.Frac

  

Bitpattern that makes up the fractional part.