[Numpy-discussion] is __array_ufunc__ ready for prime-time?

[Marten van Kerkwijk]

I guess my argument boils down to it being better to state that a
function only accepts arrays and happily let it break on, e.g.,
matrix, than use `asarray` to make a matrix into an array even though
it really isn't.

I do like the dtype ideas, but think I'd agree they're likely to come
with their own problems. But just making new numerical types possible
is interesting.

-- Marten