I have an issue with sage-8.1 (also with 8.0). This is my code:
R.<x,y>=PolynomialRing(QQ,order='neglex')
f=(y^2-x^3)*(y^2-x^2*y-x^3)
singular.lib("all.lib")
f._singular_().bernstein().sage()
f._singular_().bfct().sage()
The two last functions are two different algorithms in order to compute
Bernstein-Sato polynomial and they should provide the same solution, but
there is exactly one distinct root. The result is the same for both
functions if I use Singular (both with my own installation and with
Singular in Sage) and it coincides with the one of bfct.
Any clue. Thanks, Enrique.
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