August 21, 2012 Re: NaNs Just Don't Get No Respect | ||||
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Posted in reply to Don Clugston | On Tuesday, 21 August 2012 at 08:15:10 UTC, Don Clugston wrote:
> No, it's the other way around.
> The IEEE 754 standard defines min(x, NaN) == min(NaN, x) == x.
>
> According to the C standard, fmin() should be returning 10, as well.
> There is a bug in fmin().
>
> However min() and max() are extremely unusual in this respect. Almost everything else involving a NaN returns NaN.
I did not know that. It seems like a not-so-useful rule but I guess they have their reasons. Note that in my example, fmin() _did_ return 10 - it was min() that returned NaN...
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