[Issue 19878] Some NaNs are printed as -nan

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19878

berni44 <bugzilla at d-ecke.de> changed:

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--- Comment #3 from berni44 <bugzilla at d-ecke.de> ---
Maybe it's no bug? IMHO the answer depends if D distinguishes between -nan and
nan or not.

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