I have the following problem. XCode 2.2, Mac OS 10.4.6 on Intel.
I created a sin() function replacement using four first members of
the Taylor series - works perfectly like the standard sin() (the
thing is that I need a very pure sine for FM purposes, so other
models do not work ear-wise).
But the thing is that it doesn't work any faster than the standard sin
() function... It's not optimized with assembly language, but anyway
has no division operations and all coefficients are pre-computed. I
heard that on Intels the sin() function is actually implemented in
CPU instructions, and that is why it works so fast. Is this true?
So the question is - should I determine the CPU type for my universal
app and use sin() on Intel and custom sin() on PPC? If so, are there
any #define's available to be able to branch the code?
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