在 2023/4/11 16:51, LIU Hao via Gcc 写道:
> My interpretation is that if one argument is a SNaN and the other is not, `fmax()` shall return the 	
> SNaN unchanged, without converting it to a QNaN. (F.10.9.2 The fmax functions, ISO/IEC 9899:2017)
> 

'the other is not' means the other operand is a QNaN; I'm not saying the other operand is not a NaN.


-- 
Best regards,
LIU Hao