Re: [Devel] Problems with bbox code and cubic bezier curves

[Toby J Sargeant]

On Mon, Apr 23, 2001 at 10:22:19AM -0400, Tom Kacvinsky wrote:
> There are other problems here -- use of the trig functions!  Do we want
> to start linking against -lm?  Or do we want to implement trig functions
> using 16.16 fixed values?  Ugh!

The trig functions are needed only for finding the roots of a cubic
polynomial, which we don't need to do; we just need the stationary
points of the cubic, which involves finding the roots of a quadratic,
which can be done with only a sqrt.

(don't know why the cubic root code is even in there...)

Toby.