Re: Re: where can / must one activate 'LONG DOUBLES'? - works to some extend, feedback and additional questions

> still how to build automated tests for calculations / features to avoid time consuming and error prone manual tests after each change,

In a git checkout, go to the "test" directory and run "make
check-TESTS".  You can run single tests too if you wish.

However, you are messing with calculations so you will see failures
that computations are not giving the expected results.  How you will
deal with that I don't know.

M.