Sign function
Return sign of argument.
Declaration
function Sign(const AValue: Integer): TValueSign; overloadDescription
Sign returns the sign of it's argument, which can be an Integer,
64 bit integer, or a double. The returned value is an integer which is -1, 0
or 1, and can be used to do further calculations with.An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.