FUNCTION imhofbd(lambda:realarray; mult:posintarray; delta:realarray; noterms:units; epsl,eps2:real; VAR ifault:nonnegint):real; (Algorithm AS 256.1 Appl. Statist. (1990) Vol.39, No.2} tPascal translation of Koerts and Abrahamse's procedure for evaluating Imhof's upper bound) CONST pi=3.14159265;
VAR i:units;
count,hold,range,suml,sum2:real;
BEGIN
IF (noterms < 1) OR (epsl <= 0.0) OR (eps2 <= 0.0) THEN
BEGIN ifault := 2; imhofbd := -2.0 END
ELSE
BEGIN
count 0.0;
suml 0.0; sum2 := 0.0;
FOR i 1 TO noterms DO BEGIN hold := abs(lambda[i]);
IF hold > eps2 THEN
BEGIN
count:= count+mult[i];
suml:= suml+mult[i]*ln(hold);
END;
sum2 := sum2+delta[i]
END;
IF count < 0.9 THEN
BEGIN
ifault := 4;
imhofbd := -4.0
END


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