Summary:
X-link: https://github.com/facebook/react-native/pull/39595
Pull Request resolved: https://github.com/facebook/yoga/pull/1404
These functions all ensure their returns are defined, but return FloatOptional anyway, making their callers have to deal with that possibility. Return `float` instead of `FloatOptional`, and do some additional cleanup.
Reviewed By: rshest
Differential Revision: D49531421
fbshipit-source-id: 95b21cade74e501dd54c7b6ca667c8c3859c5dae
2734784ddb