Enforces epsilon minimum bound checks

[Opt-Mucca]

Description

This re-implements #3203 and #3204 using std::numeric_limits<double>::epsilon()

Checklist

• I have read the contributing guidelines
• This PR targets the latest branch
• Tests are passing
• Documentation was updated where relevant
• This PR is not primarily AI-generated (per the AI contributions policy in CONTRIBUTING.md)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.05%. Comparing base (2ed99be) to head (037d05d).
⚠️ Report is 23 commits behind head on latest.

Additional details and impacted files

@@            Coverage Diff             @@
##           latest    #3224      +/-   ##
==========================================
- Coverage   73.06%   73.05%   -0.01%     
==========================================
  Files         445      445              
  Lines      107661   107749      +88     
  Branches    17257    17264       +7     
==========================================
+ Hits        78659    78714      +55     
- Misses      28726    28759      +33     
  Partials      276      276              

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.