Function _assert_finite

numpy/linalg/_linalg.py:260–263

(*arrays)

            raise LinAlgError('Last 2 dimensions of the array must be square')

def _assert_finite(*arrays):
    for a in arrays:
        if not isfinite(a).all():
            raise LinAlgError("Array must not contain infs or NaNs")

def _is_empty_2d(arr):
    # check size first for efficiency