I forgot to mention:
Fixes piglit tests {vs,fs}-asin-float and {vs,fs}-atan-*
On 27 July 2011 15:15, Paul Berry wrote:
> The previous formula for asin(x) was algebraically equivalent to:
>
> sign(x)*(pi/2 - sqrt(1-|x|)*(A + B|x| + C|x|^2))
>
> where A, B, and C were arbitrary constants determine
The previous formula for asin(x) was algebraically equivalent to:
sign(x)*(pi/2 - sqrt(1-|x|)*(A + B|x| + C|x|^2))
where A, B, and C were arbitrary constants determined by a curve fit.
This formula had a worst case absolute error of 0.00448, an unbounded
worst case relative error, and a disconti
