At 02:39 AM 1/21/2003 +0500, Nickolay Semyonov-Kolchin wrote:
>Speed and accuracy are different things. Matlab class software need accuracy, 
>most computer games need speed. This is the reason of "-ffast-math" key in 
>gcc. Ocaml lacks such key, and always produce ineffecient floating-point 
>code.

But how much accuracy do computer games need?  First-class implementations
of sin/cos in software are quite fast, indeed faster (in certain non-trivial
ranges) than the hardware itself.  If it happens that you could determine
how *little* accuracy you actually need, it could go faster yet :-).

David Chase


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