Module polynomial_element_generic

Univariate Polynomials

AUTHORS:
    -- William Stein: first version
    -- Martin Albrecht: Added singular coercion.
    -- David Harvey: split off polynomial_integer_dense_ntl.pyx (2007-09)
    -- Robert Bradshaw: split off polynomial_modn_dense_ntl.pyx (2007-09)

TESTS:

We test coercion in a particularly complicated situation:
    sage: W.<w>=QQ['w']
    sage: WZ.<z>=W['z']
    sage: m = matrix(WZ,2,2,[1,z,z,z^2])
    sage: a = m.charpoly()
    sage: R.<x> = WZ[] 
    sage: R(a)
    x^2 + ((-1)*z^2 - 1)*x