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Magnum One
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Magnum One (Mid-American Digital) (Disc Manufacturing).iso
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d18
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nrpas13.arc
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IRBIT2.DEM
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1991-05-01
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1KB
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44 lines
PROGRAM d7r11(input,output);
(* driver for routine IRBIT2 *)
(* calculate distribution of runs of zeros *)
CONST
nbin=15;
ntries=500;
VAR
i,iflg,ipts,iseed,j,n : integer;
delay : ARRAY [1..nbin] OF real;
FUNCTION twoton(n : integer) : integer;
BEGIN
IF (n=0) THEN twoton := 1
ELSE twoton := 2*twoton(n-1)
END;
(*$I MODFILE.PAS *)
(*$I IRBIT2.PAS *)
BEGIN
iseed := 111;
FOR i := 1 to nbin DO BEGIN
delay[i] := 0.0
END;
ipts := 0;
FOR i := 1 to ntries DO BEGIN
IF (irbit2(iseed) = 1) THEN BEGIN
ipts := ipts+1;
iflg := 0;
FOR j := 1 to nbin DO BEGIN
IF ((irbit2(iseed) = 1) AND (iflg = 0)) THEN BEGIN
iflg := 1;
delay[j] := delay[j]+1.0
END
END
END
END;
writeln ('distribution of runs of n zeros');
writeln ('n':6,'probability':22,'expected':18);
FOR n := 1 to nbin DO BEGIN
writeln ((n-1):6,delay[n]/ipts:19:4,1/twoton(n):20:4);
END
END.