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- PROGRAM d6r4(input,output,dfile);
- (* driver for routine FACTLN *)
- VAR
- i,n,nval : integer;
- val : real;
- txt : string[11];
- dfile : text;
- gla : ARRAY [1..100] OF real;
-
- (*$I MODFILE.PAS *)
- (*$I GAMMLN.PAS *)
-
- (*$I FACTLN.PAS *)
-
- BEGIN
- FOR i := 1 to 100 DO gla[i] := -1.0; (* initialize FACTLN *)
- glopen(dfile,'fncval.dat');
- REPEAT readln(dfile,txt) UNTIL (txt = 'N-factorial');
- readln(dfile,nval);
- writeln ('log of n-factorial');
- writeln ('n':6,'actual':19,'factln(n)':21);
- FOR i := 1 to nval DO BEGIN
- readln(dfile,n,val);
- writeln (n:6,ln(val):20:7,factln(n):20:7)
- END
- END.
-