Add `shuffle_axis_inplace` and `shuffle_axis_inplace_using`#742

Open

LukeMathWalker wants to merge 2 commits intorust-ndarray:masterfrom

LukeMathWalker:sampling

Commits on Oct 9, 2019

[ndarray-rand] Add `sampling_axis_inplace` and `sampling_axis_inplace_using` to
LukeMathWalker
committed

Commits on Oct 28, 2019

Merge branch 'master' into sampling
LukeMathWalker
committed