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KSTWO.PAS
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Pascal/Delphi Source File
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1991-04-29
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2KB
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61 lines
PROCEDURE kstwo(VAR data1: glarray1; n1: integer;
VAR data2: glarray2; n2: integer;
VAR d,prob: real);
(* Programs using routine KSTWO must define the types
TYPE
glarray1 = ARRAY [1..n1] OF real;
glarray2 = ARRAY [1..n2] OF real;
in the main routine. *)
VAR
i,j2,j1: integer;
dum,en1,en2,fo2,fo1,fn2,fn1,dt: real;
BEGIN
IF (n2 > n1) THEN BEGIN
writeln('pause in routine KSTWO');
writeln('first input array must be the larger'); readln
END;
sort(n1,data1);
FOR i := 1 TO n2 DO BEGIN
dum := data1[i];
data1[i] := data2[i];
data2[i] := dum
END;
sort(n2,data1);
FOR i := 1 TO n2 DO BEGIN
dum := data1[i];
data1[i] := data2[i];
data2[i] := dum
END;
en1 := n1;
en2 := n2;
j1 := 1;
j2 := 1;
fo1 := 0.0;
fo2 := 0.0;
d := 0.0;
WHILE ((j1 <= n1) AND (j2 <= n2)) DO BEGIN
IF (data1[j1] < data2[j2]) THEN BEGIN
fn1 := j1/en1;
IF (abs(fn1-fo2) > abs(fo1-fo2)) THEN BEGIN
dt := abs(fn1-fo2)
END ELSE BEGIN
dt := abs(fo1-fo2)
END;
IF (dt > d) THEN d := dt;
fo1 := fn1;
j1 := j1+1;
END ELSE BEGIN
fn2 := j2/en2;
IF (abs(fn2-fo1) > abs(fo2-fo1)) THEN BEGIN
dt := abs(fn2-fo1)
END ELSE BEGIN
dt := abs(fo2-fo1)
END;
IF (dt > d) THEN d := dt;
fo2 := fn2;
j2 := j2+1
END
END;
prob := probks(sqrt(en1*en2/(en1+en2))*d)
END;