Fix reinitialization edge cases and 3D sampling

[Fastaxx]

Fix reinitialization edge cases and 3D sampling

[codecov]

Codecov Report

❌ Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.77%. Comparing base (0865576) to head (5dacc97).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
ext/ReinitializationExt.jl	62.50%	3 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (0865576) and HEAD (5dacc97). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (0865576)	HEAD (5dacc97)
	2	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #78       +/-   ##
===========================================
- Coverage   82.21%   57.77%   -24.44%     
===========================================
  Files          16       16               
  Lines        1175     1170        -5     
===========================================
- Hits          966      676      -290     
- Misses        209      494      +285     

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