[Kstars-devel] Fwd: Plans for threading in KStars

[Henry de Valence]

On 11-11-14 01:27 AM, Aleksey Khudyakov wrote:
> asin/acos are slower than sin/cos, I beleive they solve equation, but we may
> take advantage of the fact that we don't need of full 15 digit precision as long
> as deviation of projections from true location are less than say 0.1
> pixel it's OK

Perhaps instead of calling these functions we can just compute the first 
few terms of the power series expansion?

Henry de Valence