Build a Extended-sized floating point from its composing parts.
Source position: syshelph.inc line 835
| public procedure TExtendedHelper.BuildUp( | 
| const ASignFlag: Boolean; | 
| const AMantissa: QWord; | 
| const AExponent: Integer | 
| ); | 
BuildUp will compose a Extended-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.
| 
 | Sign of the floating point value. | |
| 
 | The bit pattern of the exponent as stored in memory. | |
| 
 | Bitpattern that makes up the fractional part. |