Efficient Sine Computation

Channel:
Finland Jkauppa
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98
Published on ● Video Link: https://www.youtube.com/watch?v=dkvUmSiVA04


Duration: 0:13
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Efficient sine function computation approximation, 3*16 table can be reduced to 1*16 or 1*8 by cos/sin mutual transformations, and sample point region mirroring. The formula is the same as physics location change for speed and acceleration, ie, p=s+vt+½at^2, where s=location, v=speed, a=acceleration, t=delta-time. Tabulated 3*32 sine and its derivative 1st 2nd values (instead of 8/16) gives 0.000015 accuracy 8max error.



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