refactor: use the built-in max/min to simplify the code [skip changelog]

[wmypku]

Inspired by #941 and replace all.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.50%. Comparing base (30868de) to head (72ea9da).
⚠️ Report is 2 commits behind head on main.

@@            Coverage Diff             @@
##             main    #1014      +/-   ##
==========================================
+ Coverage   60.47%   60.50%   +0.02%     
==========================================
  Files         267      267              
  Lines       33276    33276              
==========================================
+ Hits        20124    20133       +9     
+ Misses      11485    11477       -8     
+ Partials     1667     1666       -1     

see 10 files with indirect coverage changes

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[gammazero]

Handled in #1017