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On Mon, Nov 02, 2009 at 09:15:03AM -0500, Leo Razoumov wrote:
Also I am a bit worried about function dispatch. Adding two doubles is
a native Lua opcode and it does not go through the trouble of
metamethods. Using __add, __mul, etc metamethods dispatch for complex
numbers is slow. Could it be avoided?

Well you could code the metamethods in Lua and have LuaJit inline them.

- Alex