print(1/0); 0.000000000000001 Btw, the functions in mathlib.c at least check for NaN result. Is it defined somewhere that standard C math library functions return NaNs for errors? A quick man browsing only said they would set errno, but nothing about the return value. (As I am using exceptions for debugging, an argument check before the operation would be nice anyway. Okay, I know, it costs performance.)
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