[bug] Fix viptr onnx export issue

[felixT2K]

This PR:

• Fix any issue which lead before to numerical incorrectness after exporting the model to Onnx

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.91%. Comparing base (9eec305) to head (62e94fb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1966      +/-   ##
==========================================
+ Coverage   96.89%   96.91%   +0.02%     
==========================================
  Files         172      172              
  Lines        8633     8633              
==========================================
+ Hits         8365     8367       +2     
+ Misses        268      266       -2     

Flag	Coverage Δ
unittests	96.91% <100.00%> (+0.02%)	⬆️

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