SimTk/openmm — pull request #628 by rmcgibbo (2014-09-23 06:12:19+00:00)
Title: add square,cube,recip to docs

`square`, `cube`, and `recip` are functions that [have long been available](https://github.com/SimTk/openmm/blob/master/libraries/lepton/src/Parser.cpp#L318-L320) in lepton expressions, but were not mentioned as such in the Custom*.h header docs.