Bill Engels

@shoerman at the moment yes, but it will be fixed soon, #6076

Would a good alternative name maybe be `scale_func`?

Yes this should still be fixed

Well maybe two things are left, one is need to add tests for the HSGP class. The other is maybe handling the periodic covariance. I was going to punt on...

closing in favor of #6458

To update where this is at, tests were passing except for windows and I couldn't figure out why. Not sure what here would depend on windows so maybe need to...

> overflows in windows? Ah I bet that's it! The test produces inf and it shouldn't. Well thanks for giving me a starting place