Large examples run much faster in Maple 11 than in Maple 10 because Maple 11
contains faster gcd-code over algebraic extensions, and hence faster
factoring with Trager's method (factoring is used in the procedure msqrt
in the file Conic, see also the comments in that procedure). Timings
can be found at: http://www.math.fsu.edu/~hoeij/files/ConicProgram/.timings