changed default padding value to 0
may i ask why you chose 0 padding? in general 'replicate' or '1' padding should be better choices to avoid boundary artifacts.
😄. The reasoning behind was the usual use case being the propagation of just the disturbances of an otherwise uniform field distribution. If you look at this commit's parent 02fad5bf you can actually see the default value has been 0 in the first place, before i updated it to agree with the docstring (the docstring being the part that should have been changed in the fist place).