ceil -floor functions

[Anonymous]

unit Unit1;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, Buttons;

type

  { TForm1 }

  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { private declarations }
  public
    { public declarations }
  end;

var
  Form1: TForm1;
   num : Real;
   res : Integer;
implementation

{ TForm1 }

procedure TForm1.Button1Click(Sender: TObject);
begin
  num :=125.2;
  res  := floor(num);
  Caption:= IntToStr(res);
end;

initialization
  {$I unit1.lrs}

end.
  where is the mistake?lazarus didn't compile this code.

[matthijs]

You should add math to the uses clauss in the implementation section.

And please be more specific next time about the error you received.

[Anonymous]

thanks.