On Mon, 22 Oct 2007 16:59:24 GMT, Anonymous wrote:
> Hello,
>
> In the code below the "BinarySearch" function returns 0, although
> it is assigned a value of 8.
> Anyone any idea?
[snip]
>IF Find = @[EMAIL PROTECTED]
THEN
> PRINT m 'm has the correct value here(8),but the function returns 0
> BinarySearch = m
>ELSEIF Find < @[EMAIL PROTECTED]
THEN
> BinarySearch i(),a,m,Find
>ELSE
> BinarySearch i(),m+1,b,Find
>END IF
[snip some more]
You're recursing but not catching the return values from the
recursion. Try something like this:
IF Find = @[EMAIL PROTECTED]
THEN
FUNCTION = m
ELSEIF Find < @[EMAIL PROTECTED]
THEN
FUNCTION = BinarySearch (i(),a,m,Find)
ELSE
FUNCTION = BinarySearch (i(),m+1,b,Find)
END IF
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