On: A common bug in published code

[jerfelix]

They are not in error if you are trying to get a 0. This is yet another good technique for obfuscated code.

[nbpoole → jerfelix]

Indeed. Take a look at http://www.google.com/codesearch/p?hl=en#TXS-ndgbCls/trunk/j... for instance: if you weren't looking for an incorrect cast, it would be very hard to notice. Two out of three casts are correct: only one is missing the parentheses.