this post was submitted on 22 Oct 2023
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[โ€“] [email protected] 22 points 1 year ago (1 children)
#define max(x,y) ( { __auto_type __x = (x); __auto_type __y = (y); __x > __y ? __x : __y; })

GNU C. Also works with Clang. Avoids evaluating the arguments multiple times. The optimizer will convert the branch into a conditional move, if it doesn't I'd replace the ternary with the "bit hacker 2" version.