RE: integer math
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- Subject: RE: integer math
- From: "Joshua Jensen" <jjensen@...>
- Date: 2001年12月13日 16:41:53 -0700
> One thing to watch out for here is that on 64 bit systems a
> double cannot hold a pointer, if it is returned/passed to a C
> function. This is something that has been problematic for us
> in the past with other things. Of course the correct means
> for doing this in Lua is to define user data to represent the
> pointer, which works nicely. Just something to watch out for though.
User data pointers are separate from the number type in Lua. If you
need just a straight pointer, though, without the user data
requirements, try the LuaState distribution:
http://workspacewhiz.com/Other/LuaState/LuaState.html
-Josh