Introduce a basic function library
This should include some basic math (sign, abs, trigonometry, …)
(from redmine: issue id 2754, created on 2016-11-28, closed on 2019-06-03)
This should include some basic math (sign, abs, trigonometry, …)
(from redmine: issue id 2754, created on 2016-11-28, closed on 2019-06-03)