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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7345 8e941d3f-bd1b-0410-a28a-d453659cc2b4
88 lines
1.6 KiB
ObjectPascal
88 lines
1.6 KiB
ObjectPascal
unit FProbUnit;
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{$mode objfpc}{$H+}
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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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Functionslib;
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type
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{ TFForm }
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TFForm = class(TForm)
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Bevel1: TBevel;
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CancelBtn: TButton;
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ComputeBtn: TButton;
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DF1Edit: TEdit;
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DF2Edit: TEdit;
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Panel1: TPanel;
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ProbEdit: TEdit;
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FEdit: TEdit;
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Label1: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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Label4: TLabel;
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ResetBtn: TButton;
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ReturnBtn: TButton;
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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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FForm: TFForm;
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implementation
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uses
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Math;
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{ TFForm }
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procedure TFForm.ResetBtnClick(Sender: TObject);
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begin
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FEdit.Text := '';
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DF1Edit.Text := '';
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DF2Edit.Text := '';
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ProbEdit.Text := '';
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end;
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procedure TFForm.ComputeBtnClick(Sender: TObject);
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VAR
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F, df1, df2, prob : extended;
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outvalue : string;
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begin
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F := StrToFloat(FEdit.Text);
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df1 := StrToFloat(DF1Edit.Text);
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df2 := StrToFloat(DF2Edit.Text);
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prob := probf(F,df1,df2);
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outvalue := format('%6.4f',[prob]);
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ProbEdit.Text := outvalue;
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end;
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procedure TFForm.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, ReturnBtn.Width, ComputeBtn.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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initialization
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{$I fprobunit.lrs}
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end.
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