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Steve SCHNEPP

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0 karma0 postsjoined 14 days ago

Type Punning in C and C++

🌐 blog.pwkf.orgSource

I had a bug that took me a while to track down. The problem was type punning. A pointer cast worked fine at -O0 and silently broke at -O2. The C vs C++ distinction here is genuinely treacherous, and most blog posts on the topic get it wrong.

#type#union#float#pointer#types#article#englishlanguage
14 days ago