Improveme the efficiency of the sign computation for the difference of roots by computing the sign of the unknown without computing the multiplications. Change the order of multiplications in the determinant computation to match what I've written for efficiency justifications
Improveme the efficiency of the sign computation for the difference of roots by computing the sign of the unknown without computing the multiplications.
Change the order of multiplications in the determinant computation to match what I've written for efficiency justifications

mfdeakin/Geometry,mfdeakin/Geometry,mfdeakin/Geometry,mfdeakin/Geometry