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Infomagic - Games of Daze (Summer 1995) (Disc 1 of 2).iso
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bessk.pas
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Pascal/Delphi Source File
|
1991-04-29
|
407 b
|
20 lines
FUNCTION bessk(n: integer; x: real): real;
VAR
tox,bkp,bkm,bk: real;
j: integer;
BEGIN
IF (n < 2) THEN BEGIN
writeln('pause in routine BESSK');
writeln('index n less than 2'); readln
END;
tox := 2.0/x;
bkm := bessk0(x);
bk := bessk1(x);
FOR j := 1 TO n-1 DO BEGIN
bkp := bkm+j*tox*bk;
bkm := bk;
bk := bkp
END;
bessk := bk
END;