We have sincos, but no sincosd?

[singularitti]

Closes #450

[codecov-commenter]

Codecov Report

Merging #452 (cce0229) into master (cc3adef) will increase coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head cce0229 differs from pull request most recent head a4921a9. Consider uploading reports for the commit a4921a9 to get more accurate results

@@            Coverage Diff             @@
##           master     #452      +/-   ##
==========================================
+ Coverage   83.84%   83.87%   +0.02%     
==========================================
  Files          16       16              
  Lines        1337     1333       -4     
==========================================
- Hits         1121     1118       -3     
+ Misses        216      215       -1     

Impacted Files	Coverage Δ
src/pkgdefaults.jl	19.04% <100.00%> (+4.41%)	⬆️
src/user.jl	94.07% <0.00%> (-0.19%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update cc3adef...a4921a9. Read the comment docs.