Files
lazarus-ccr/applications/lazstats/source/forms/simulations/inversezunit.pas
wp_xxyyzz 2f33dc9f7b LazStats: initial commit.
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7345 8e941d3f-bd1b-0410-a28a-d453659cc2b4
2020-03-30 18:01:44 +00:00

79 lines
1.5 KiB
ObjectPascal

unit InverseZUnit;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
StdCtrls, ExtCtrls,
Functionslib;
type
{ TInversezForm }
TInversezForm = class(TForm)
Bevel1: TBevel;
CancelBtn: TButton;
ComputeBtn: TButton;
Panel1: TPanel;
ResetBtn: TButton;
ReturnBtn: TButton;
ZEdit: TEdit;
Label2: TLabel;
ProbEdit: TEdit;
Label1: TLabel;
procedure ComputeBtnClick(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure ResetBtnClick(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
InversezForm: TInversezForm;
implementation
uses
Math;
{ TInversezForm }
procedure TInversezForm.ResetBtnClick(Sender: TObject);
begin
ProbEdit.Text := '';
ZEdit.Text := '';
end;
procedure TInversezForm.ComputeBtnClick(Sender: TObject);
VAR
Prob, Zscore : double;
outvalue : string;
begin
Prob := StrToFloat(ProbEdit.Text);
Zscore := inversez(Prob);
outvalue := format('%6.4f',[Zscore]);
ZEdit.Text := outvalue;
end;
procedure TInversezForm.FormActivate(Sender: TObject);
var
w: Integer;
begin
w := MaxValue([CancelBtn.Width, ResetBtn.Width, ComputeBtn.Width, ReturnBtn.Width]);
CancelBtn.Constraints.MinWidth := w;
ResetBtn.Constraints.MinWidth := w;
ComputeBtn.Constraints.MinWidth := w;
ReturnBtn.Constraints.MinWidth := w;
end;
initialization
{$I inversezunit.lrs}
end.