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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8048 8e941d3f-bd1b-0410-a28a-d453659cc2b4
80 lines
1.5 KiB
ObjectPascal
80 lines
1.5 KiB
ObjectPascal
unit ProbZUnit;
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{$mode objfpc}{$H+}
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{$WARN 6058 off : Call to subroutine "$1" marked as inline is not inlined}
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interface
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uses
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Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
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StdCtrls, ExtCtrls;
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type
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{ TProbzForm }
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TProbzForm = class(TForm)
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Bevel1: TBevel;
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Panel1: TPanel;
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ReturnBtn: TButton;
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CancelBtn: TButton;
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ResetBtn: TButton;
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ComputeBtn: TButton;
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ProbzEdit: TEdit;
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Label2: TLabel;
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zEdit: TEdit;
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Label1: TLabel;
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procedure ComputeBtnClick(Sender: TObject);
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procedure FormActivate(Sender: TObject);
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procedure ResetBtnClick(Sender: TObject);
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private
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{ private declarations }
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public
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{ public declarations }
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end;
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var
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ProbzForm: TProbzForm;
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implementation
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{$R *.lfm}
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uses
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Math, MathUnit, Utils;
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{ TProbzForm }
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procedure TProbzForm.ResetBtnClick(Sender: TObject);
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begin
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zEdit.Text := '';
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ProbzEdit.Text := '';
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end;
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procedure TProbzForm.ComputeBtnClick(Sender: TObject);
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var
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zprob, z: double;
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begin
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if not MyTryStrToFloat(zEdit.Text, z) then
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begin
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zEdit.SetFocus;
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ErrorMsg('No valid number.');
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exit;
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end;
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zProb := 1.0 - NormalDist(z);
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ProbzEdit.Text := Format('%6.4f', [zProb]);
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end;
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procedure TProbzForm.FormActivate(Sender: TObject);
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var
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w: Integer;
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begin
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w := MaxValue([CancelBtn.Width, ResetBtn.Width, ComputeBtn.Width, ReturnBtn.Width]);
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CancelBtn.Constraints.MinWidth := w;
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ResetBtn.Constraints.MinWidth := w;
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ComputeBtn.Constraints.MinWidth := w;
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ReturnBtn.Constraints.MinWidth := w;
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end;
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end.
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