> > >> >> For Sage, fixing the problem is actually trivial: when the > >> >> hypergeometric > >> >> function is a polynomial (and at least when the inputs are exact), > >> >> don't > >> >> call mpmath; just evaluate the polynomial directly and then call > .n() > >> >> on the > >> >> result. > >> >> > >> > > >> > Except then Sage would have to know when it is a polynomial, and > >> > probably we > >> > would need to ask Maxima for that (assuming it knows). So maybe not > >> > completely trivial to make sure it works. > >> > >> It's a polynomial when any of the first parameters is a nonpositive > >> integer. > >> > > > > Is that "if and only if"? That would certainly be convenient. > > Yes, that follows immediately from the definition. > > > Well, then I guess this shouldn't be too hard to implement... I will admit that I will not be the one doing it, but sounds like a no-brainer.
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