unit1.pas

来自「1、说明： 本书中所有的常用数值算法子过程按书中的章数分别放在以C开头」· PAS 代码 · 共 59 行

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;

implementation
//PROGRAM D7F2
//Driver for routine SORT
uses
  unit2;
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
const
  s1='%7.2f';
var
    A:array[0..10] of real;
    F:TextFile;   I:integer;
begin
  A[1]:=29.82; A[2]:=71.51; A[3]:=3.3;   A[4]:=87.44; A[5]:=53.42;
  A[6]:=63.16; A[7]:=89.1;  A[8]:=25.75; A[9]:=93.16; A[10]:=27.72;
  //输出计算结果到文件
  AssignFile(F, 'd:\delphi_shu\p7\d7f2.dat');
  Rewrite(F);
  Writeln(F,'Original array:');
  //Print Original array
  Writeln(F,format(s1,[A[1]]),format(s1,[A[2]]),format(s1,[A[3]]),
    format(s1,[A[4]]),format(s1,[A[5]]),format(s1,[A[6]]),format(s1,[A[7]])
    ,format(s1,[A[8]]),format(s1,[A[9]]),format(s1,[A[10]]));
  //Sort array
  SORT(10,A);
  //Print sorted array
  Writeln(F,'Sorted array:');
  Writeln(F,format(s1,[A[1]]),format(s1,[A[2]]),format(s1,[A[3]]),
    format(s1,[A[4]]),format(s1,[A[5]]),format(s1,[A[6]]),format(s1,[A[7]])
    ,format(s1,[A[8]]),format(s1,[A[9]]),format(s1,[A[10]]));
  CloseFile(F);
  //屏幕显示计算结果
  memo1.Lines.LoadFromFile('d:\delphi_shu\p7\d7f2.dat');
end;

end.