A single linear layer which does a 1x1 conv

takes 2 distances, puts through fc layers, spits out value between [0,1] (if use_sigmoid is True)

r"""Collects the scalars broadcasted by `report()` and `report0()` and computes their long-term averages (mean and standard deviation) over us

Convenience class that behaves like a dict but allows access with the attribute syntax.

Redirect stderr to stdout, optionally print stdout to a file, and optionally force flushing on both stdout and the file.