Warp wrote:
> Thorsten Froehlich <tho### [at] trfde> wrote:
>> Clearly you do not know much about floating-point units in modern processors 
>> then. You actually want to do it is software because that is more efficient 
>> (see my other post). x87 is pretty much the last architecture to still have 
>> microcode ops for more than sqrt.
> 
>   You are telling me that calculating trigonometric functions on 64-bit
> floating point values in software is faster than using the FPU?

Well, it is also what the AMD-link I supplied explains.

>   I'm not sure that would make too much sense.

Well, maybe not to you, but to Intel, AMD, me and the rest of the world ;-)

 > It would mean that they
> would *deliberately* make the FPU calculate those functions in a less
> efficient way than you could do with the CPU.

No.

But anyway, you can read all this in the Intel and AMD documentation.

	Thorsten

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