Ode check thread safety

[cpmech]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 93.26146% with 25 lines in your changes are missing coverage. Please review.

Project coverage is 99.20%. Comparing base (39608cb) to head (10e240a).
Report is 434 commits behind head on main.

Files	Patch %	Lines
russell_ode/src/bin/amplifier1t_radau5.rs	0.00%	23 Missing ⚠️
russell_ode/src/pde_discrete_laplacian_2d.rs	99.42%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
+ Coverage   98.44%   99.20%   +0.76%     
==========================================
  Files         102      144      +42     
  Lines       20905    29862    +8957     
==========================================
+ Hits        20580    29625    +9045     
+ Misses        325      237      -88     

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