Implement and test bounded types on CUDA

[mborland]

Closes: #229

[cppalliance-bot]

An automated preview of the documentation is available at https://231.safe-numbers.prtest3.cppalliance.org/libs/safe_numbers/doc/html/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-07-08 17:07:23 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.8%. Comparing base (e32013f) to head (adf27d7).
⚠️ Report is 7 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop    #231     +/-   ##
=========================================
+ Coverage     98.8%   98.8%   +0.1%     
=========================================
  Files          211     212      +1     
  Lines        15289   15295      +6     
  Branches      5700    5701      +1     
=========================================
+ Hits         15092   15098      +6     
  Misses         116     116             
  Partials        81      81             

Files with missing lines	Coverage Δ
include/boost/safe_numbers/bounded_floats.hpp	100.0% <100.0%> (ø)
include/boost/safe_numbers/bounded_integers.hpp	99.0% <100.0%> (+0.1%)	⬆️
test/test_device_error_mapping.cpp	100.0% <100.0%> (ø)

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