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There is a minor bug in the way that the constant -0 is evaluated. Obviously this only applies on platforms using something like IEC 60559 arithmetic (aka IEEE). Like Mac OS X, which is what I use.

The lua statement "print(1/-0<0)" prints "false". Compare that with "x=0;x=-x;print(1/x<0)" which prints "true".

Would you like me to look into a patch? I haven't investigated where this goes wrong at all yet. Thinks... perhaps it is not possible to correct this without non-portable code.

For the record I'm using

Lua 5.0.2  Copyright (C) 1994-2004 Tecgraf, PUC-Rio

on Mac OS X 10.3.7

David Jones