Fast integer arithmetic

[Asko Kauppi <askok@...>]

LNUM patch:

http://luaforge.net/projects/lnum/



Ivan Baggett kirjoitti 20.2.2008 kello 22:07:

> > > I expect it depends on the processor you're talking about.  Floating
> > > point arithmetic on modern processors is often _very_ fast...
>
> Well, it isn't fast if your CPU doesn't have a FPU.  I use ARM7 and  
> real-mode X86 processors in embedded systems, and I know for a fact  
> that FP is not fast on them.  It would be nice to have  
> configuration options for Lua that would allow for integers to be  
> treated as integers unless explictly forced to double.
>
> Not all of us are using Core 2 Duos in our designs...
>
> Ivan