Add overflowing functions (which return std::pair)

[mborland]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 97.42857% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.0%. Comparing base (2202bfc) to head (0f49cb8).
⚠️ Report is 18 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ost/safe_numbers/detail/unsigned_integer_basis.hpp	92.8%	0 Missing and 9 partials ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           develop      #4     +/-   ##
=========================================
+ Coverage     97.7%   98.0%   +0.4%     
=========================================
  Files           32      38      +6     
  Lines          851    1122    +271     
  Branches       217     280     +63     
=========================================
+ Hits           831    1099    +268     
  Misses          13      13             
- Partials         7      10      +3     

Files with missing lines	Coverage Δ
test/test_unsigned_overflowing_addition.cpp	100.0% <100.0%> (ø)
test/test_unsigned_overflowing_division.cpp	100.0% <100.0%> (ø)
test/test_unsigned_overflowing_mod.cpp	100.0% <100.0%> (ø)
test/test_unsigned_overflowing_multiplication.cpp	100.0% <100.0%> (ø)
test/test_unsigned_overflowing_subtraction.cpp	100.0% <100.0%> (ø)
test/test_unsigned_saturating_addition.cpp	100.0% <100.0%> (ø)
test/test_unsigned_saturating_division.cpp	100.0% <100.0%> (ø)
test/test_unsigned_saturating_mod.cpp	100.0% <100.0%> (ø)
test/test_unsigned_saturating_multiplication.cpp	100.0% <100.0%> (ø)
test/test_unsigned_saturating_subtraction.cpp	100.0% <100.0%> (ø)
... and 1 more

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[cppalliance-bot]

An automated preview of the documentation is available at https://4.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.

2026-02-03 21:13:40 UTC