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unit FProbUnit;
{$mode objfpc}{$H+}
{$WARN 6058 off : Call to subroutine "$1" marked as inline is not inlined}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
StdCtrls, ExtCtrls;
type
{ TFForm }
TFForm = class(TForm)
Bevel1: TBevel;
CancelBtn: TButton;
ComputeBtn: TButton;
DF1Edit: TEdit;
DF2Edit: TEdit;
Panel1: TPanel;
ProbEdit: TEdit;
FEdit: TEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
ResetBtn: TButton;
ReturnBtn: TButton;
procedure ComputeBtnClick(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure ResetBtnClick(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
FForm: TFForm;
implementation
{$R *.lfm}
uses
Math, MathUnit, Utils;
{ TFForm }
procedure TFForm.ResetBtnClick(Sender: TObject);
begin
FEdit.Text := '';
DF1Edit.Text := '';
DF2Edit.Text := '';
ProbEdit.Text := '';
end;
procedure TFForm.ComputeBtnClick(Sender: TObject);
var
F, prob: Double;
df1, df2: Integer;
begin
if not MyTryStrToFloat(FEdit.Text, F) then
begin
FEdit.SetFocus;
ErrorMsg('No valid number.');
exit;
end;
if not TryStrToInt(DF1Edit.Text, df1) then
begin
DF1Edit.SetFocus;
ErrorMsg('No valid integer (must be positive).');
exit;
end;
if not TryStrToInt(DF2Edit.Text, df2) then
begin
DF2Edit.SetFocus;
ErrorMsg('No valid integer (must be positive).');
exit;
end;
prob := ProbF(F, df1, df2);
ProbEdit.Text := Format('%6.4f', [prob]);
end;
procedure TFForm.FormActivate(Sender: TObject);
var
w: Integer;
begin
w := MaxValue([CancelBtn.Width, ResetBtn.Width, ReturnBtn.Width, ComputeBtn.Width]);
CancelBtn.Constraints.MinWidth := w;
ResetBtn.Constraints.MinWidth := w;
ComputeBtn.Constraints.MinWidth := w;
ReturnBtn.Constraints.MinWidth := w;
end;
end.