add logabsgamma and unrelated fixes

[araujoms]

Fixes #183

Also fixed the shadowing functions, it turned out that the syntax was correct, but loggamma and ellipk were missing from specialfunctions.jl.

And also fixed an unrelated typo in sqrt_dd_dd that was preventing compilation.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.42%. Comparing base (2b0e173) to head (91c5278).
Report is 43 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #195      +/-   ##
==========================================
+ Coverage   50.02%   50.42%   +0.39%     
==========================================
  Files          63       63              
  Lines        3546     3536      -10     
==========================================
+ Hits         1774     1783       +9     
+ Misses       1772     1753      -19     

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[JeffreySarnoff]

Thank you. I have to wait for two pending updates to merge, not automatically, then I can do this one.

[araujoms]

On a second thought, it's better to write it directly in terms of lgamma. I've also realized that defining loggamma explicitly is not necessary, as the SpecialFunctions version works when we have a logabsgamma. I've also added some tests, copied from Quadmath.

[araujoms]

On a third thought, perhaps it's better to directly use the logabsgamma from Quadmath instead of copy-pasting the code here. That would require changing the compat to whatever version they release after merging JuliaMath/Quadmath.jl#72, are you ok with it?

[araujoms]

Ok, done. I've also noticed that Float128(Double64(Inf)) is nan instead of inf, I'm not sure whether this is a problem.

[araujoms]

I'm sorry, may I ask what is the hold up?

[JeffreySarnoff]

needed the reminder -- thank you

[JeffreySarnoff]

merged on main, new version should be available everywhere at the next manifest update.

…

On Fri, Apr 12, 2024 at 5:43 AM Mateus Araújo ***@***.***> wrote: I'm sorry, may I ask what is the hold up? — Reply to this email directly, view it on GitHub <#195 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAM2VRQRL3IEAXIGSWEBE6TY46UC5AVCNFSM6AAAAABFND6LQCVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDANJRGQZDAOBWGQ> . You are receiving this because you commented.Message ID: ***@***.***>