Use arrays instead of tuples

[agdestein]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 69.46108% with 102 lines in your changes missing coverage. Please review.

Project coverage is 51.08%. Comparing base (158e3ef) to head (ab84238).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
src/eddyviscosity.jl	0.00%	34 Missing ⚠️
src/operators.jl	71.73%	26 Missing ⚠️
src/processors.jl	52.63%	9 Missing ⚠️
lib/NeuralClosure/src/filter.jl	66.66%	8 Missing ⚠️
src/time_steppers/step_explicit_runge_kutta.jl	55.55%	8 Missing ⚠️
src/initializers.jl	16.66%	5 Missing ⚠️
src/time_steppers/step_lmwray3.jl	0.00%	5 Missing ⚠️
lib/NeuralClosure/src/groupconv.jl	92.30%	2 Missing ⚠️
src/solver.jl	33.33%	2 Missing ⚠️
src/time_steppers/time_stepper_caches.jl	60.00%	2 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #102      +/-   ##
==========================================
+ Coverage   50.73%   51.08%   +0.34%     
==========================================
  Files          30       28       -2     
  Lines        3660     3637      -23     
==========================================
+ Hits         1857     1858       +1     
+ Misses       1803     1779      -24     

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