unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  ISET:^integer; GSET:^real;
implementation
//PROGRAM D11R7
//Driver for routine FTEST
uses
  unit2;
  {$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
const
  s1='%10.4f'; NPTS = 1000; MPTS = 500; NVAL = 10;  EPS = 0.01;
var
  F:TextFile;
  DATA1,DATA2,DATA3:array[0..NPTS] of real;
  I,J:integer;  FACTOR,VAR1,FF,PROB:real;
begin
  New(ISET); New(GSET);
  Randomize;
  //Generate two Gaussian distributions with
  //different variances
  For J:= 1 To NPTS do
    DATA1[J]:= GASDEV;
  For J:= 1 To MPTS do
    DATA2[J]:= GASDEV;
  //Generate Gaussian distributed data
  //輸出計算結果到文件
  AssignFile(F, 'd:\delphi_shu\p11\d11r7.dat');
  Rewrite(F);
  Writeln(F,'  Variance 1 = ',' 1.00');
  Writeln(F);
  Writeln(F,'  Variance 2   Ratio   Probability');
  For I:= 1 To NVAL + 1 do
  begin
    VAR1:= 1 + (I - 1) * EPS;
    FACTOR:= Sqrt(VAR1);
    For J:= 1 To MPTS do
      DATA3[J]:= FACTOR * DATA2[J];
    FTEST(DATA1, NPTS, DATA3, MPTS, FF, PROB);
    Writeln(F,Format(s1,[VAR1]),Format(s1,[FF]), Format(s1,[PROB]));
  end;
  CloseFile(F);
  //屏幕顯示計算結果
  memo1.Lines.LoadFromFile('d:\delphi_shu\p11\d11r7.dat');
end;

end.