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Originally Posted by Orborde
I thought you had nailed it, but then I realized that, no, the 7 only gets added if output > 0, and is only subtracted if output < 0.
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Never mind. I was thinking that if output was negative, then 7 would be ADDED (not subtracted.) Thus, after the addition, the value could be greater than zero, and the 7 would then be SUBTRACTED back out again.