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FPDoc Onlineexperiment

Frac function

In unit System

Return fractional part of floating point value.

Declaration

pascal
function Frac(d: ValReal): ValReal

Description

Frac returns the non-integer part of X.

Errors

None.

See also

Example: ex27

pascal
Program Example27;

{ Program to demonstrate the Frac function. }

Var R : Real;

begin
  Writeln (Frac (123.456):0:3);  { Prints  O.456 }
  Writeln (Frac (-123.456):0:3); { Prints -O.456 }
end.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.