PROGRAM d8r8(input,output,dfile);
(* driver for routine QCKSRT *)
CONST
   np = 100;
TYPE
   glarray = ARRAY [1..np] OF real;
VAR
   i,j : integer;
   a : glarray;
   dfile : text;

(*$I MODFILE.PAS *)
(*$I QCKSRT.PAS *)

BEGIN
   glopen(dfile,'tarray.dat');
   readln(dfile);
   FOR i := 1 to 100 DO BEGIN
      read(dfile,a[i])
   END;
   close(dfile);
(* print original array *)
   writeln('original array:');
   FOR i := 1 to 10 DO BEGIN
      FOR j := 1 to 10 DO BEGIN
         write(a[10*(i-1)+j]:6:2)
      END;
      writeln
   END;
(* writeln sorted array *)
   qcksrt(np,a);
   writeln;
   writeln ('sorted array:');
   FOR i := 1 to 10 DO BEGIN
      FOR j := 1 to 10 DO BEGIN
         write(a[10*(i-1)+j]:6:2)
      END;
      writeln
   END
END.