Fixed multigrad_onearg test. Turns out the test was broken before but it used to pass due to a bug in check_equivalent, which zipped the supposedly equivalent tuples together. If one tuple was a prefix of the other, the zip would only return the common prefix, and the test would pass
Fixed multigrad_onearg test. Turns out the test was broken before but it used to pass due to a bug in check_equivalent, which zipped the supposedly equivalent tuples together. If one tuple was a prefix of the other, the zip would only return the common prefix, and the test would pass

HIPS/autograd,HIPS/autograd,hips/autograd,hips/autograd