Re: float.nan is not itself ?

[Bernard Helyer]

On Tuesday, 14 February 2012 at 15:39:37 UTC, Joshua Reusch wrote:
Hello,
why does this assertion fail:

> assert(float.nan == float.nan);

there is the std.math.isNaN function which works correctly, but 
why can I not just use the comparison ?

Thanks, Joshua

Use `float.nan is float.nan`; all other expressions with NaNs in 
them will be false (or result in NaN).