Build #52:   potential => first_(energy_)derivative on branch master almost 8 years ago

Build #14:   Avoid \sigma since used by unitful for something else on branch master almost 8 years ago

Build #1:   Add doctests to tests on branch master almost 8 years ago

Build #3:   Some c++ vs julia exploration Mostly because Julia does not create optimal code when d... on branch master over 8 years ago