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NaN isn’t a bug—it’s a deliberate philosophical decision by the IEEE 754 standard to make failure cascade loudly. But in practice, most developers ignore its warning, turning a brilliant design into a silent killer. This article reveals why you should respect NaN, not hate it.
Your compiler’s floating-point optimizations silently sacrifice correctness for speed, introducing untraceable bugs. A ‘shield’ of explicit compiler flags can enforce mathematically sound behavior. Most developers trust defaults without realizing the hidden cost: non-deterministic results and lost debugging time.
Most developers assume floating-point libraries are ‘good enough’ — but implementations of the Remez algorithm routinely cheat on the floating-point domain, amplifying rounding errors into catastrophic failures. Sollya’s fpminimax proves that correct floating-point optimization is achievable. It’s time to stop blaming hardware and demand tools that honor the precision they promise.