965 use int instead of unsigned int in lct infection state

[lenaploetzke]

Changes and Information

Please briefly list the changes (main added features, changed items, or corrected bugs) made:

• Ints instead of unsigned ints are now used in the LctInfectionState class.

If need be, add additional information and what the reviewer should look out for in particular:

-

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• [ ] Corresponding issue(s) is/are linked and addressed
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Closes #965

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.34%. Comparing base (29cf76b) to head (d53a2f0). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1002 +/- ## ========================================== - Coverage 96.34% 96.34% -0.01% ========================================== Files 129 129 Lines 10065 10064 -1 ========================================== - Hits 9697 9696 -1 Misses 368 368 ```

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[lenaploetzke]

Looks good, but please check that all Ns are positive (non-negative?) - I think there is an assert for that, but please make sure.

Yes there was already a static_assert(((Ns > 0) && ...),) thing in line 43 of lct_infection_state.h for that because we actually need that the Ns are at least one.