unit1.pas

用于开发税务票据管理的软件

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 D11R6B
//Driver for routine TPTEST
uses
  unit2;
  {$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
const
  s1='%12.4f'; NPTS = 500; ANOISE = 0.3; NSHFT = 10;  EPS = 0.01;
var
  F:TextFile;   
  DATA1,DATA2,DATA3:array[0..NPTS] of real;
  I,J:integer;
  OFFSET,GAUSS,AVE1,VAR1,AVE2,VAR2,AVE3,VAR3,SHIFT,T1,PROB1,T2,PROB2:real;
begin
  New(ISET); New(GSET);
  Randomize;
  //Generate Gaussian distributed data
  //输出计算结果到文件
  AssignFile(F, 'd:\delphi_shu\p11\d11r6B.dat');
  Rewrite(F);
  Writeln(F,'                Correlated:            Uncorrelated:');
  Writeln(F,'  Shift        T      Probability      T     Probability');
  OFFSET:=(NSHFT / 2) * EPS;
  For J:=1 To NPTS do
  begin
    GAUSS:=GASDEV;
    DATA1[J]:=GAUSS;
    DATA2[J]:=GAUSS + ANOISE * GASDEV;
    DATA3[J]:=GASDEV + ANOISE * GASDEV;
  end;
  AVEVAR(DATA1, NPTS, AVE1, VAR1);
  AVEVAR(DATA2, NPTS, AVE2, VAR2);
  AVEVAR(DATA3, NPTS, AVE3, VAR3);
  For J:=1 To NPTS do
  begin
    DATA1[J]:=DATA1[J] - AVE1 + OFFSET;
    DATA2[J]:=DATA2[J] - AVE2;
    DATA3[J]:=DATA3[J] - AVE3;
  end;
  For I:=1 To NSHFT + 1 do
  begin
    SHIFT:=I * EPS;
    For J:=1 To NPTS do
    begin
      DATA2[J]:=DATA2[J] + EPS;
      DATA3[J]:=DATA3[J] + EPS;
    end;
    TPTEST(DATA1, DATA2, NPTS, T1, PROB1);
    TPTEST(DATA1, DATA3, NPTS, T2, PROB2);
    Writeln(F,Format('%6.2f',[SHIFT]),Format(s1,[T1]),Format(s1,[PROB1]),
                                 Format(s1,[T2]),Format(s1,[PROB2]));
  end;
  CloseFile(F);
  //屏幕显示计算结果
  memo1.Lines.LoadFromFile('d:\delphi_shu\p11\d11r6B.dat');
end;

end.