[bug #65195] CosmicCalculator prevents non-flat FLRW calculations; angular diam dist only on flat

[Mohammad Akhlaghi]

Update of bug#65195 (group gnuastro):

                  Status:                    None => Fixed                  
             Assigned to:                    None => boud                   
             Open/Closed:                    Open => Closed                 
                 Summary: CosmicCalculator prevents non-flat FLRW
calculations; angular diam dist is generically wrong => CosmicCalculator
prevents non-flat FLRW calculations; angular diam dist only on flat

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Follow-up Comment #1:

Thanks a lot Boud for catching this important point! Your commit (with
cosmetic modifications as you will see) is now in the 'master' branch as
[https://git.savannah.gnu.org/cgit/gnuastro.git/commit/?id=5a6cf1d15 Commit
5a6cf1d15]. 

About the correct function to measure the angular diameter distances in a
non-flat model, can you define a new "task"? In the task, it would also be
great if you could point to the relevant part of cosmdist, so some time in the
future we can adopt it in Gnuastro too?

Thanks again for reporting and fixing this bug :-).


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