RFC: std.json sucessor

[Don via Digitalmars-d]

On Thursday, 28 August 2014 at 12:10:58 UTC, Ola Fosheim Grøstad 
wrote:
> Or to be more explicit:
>
> If have SNAN then there is no point in trying to recompute the 
> expression using a different algorithm.
>
> If have QNAN then you might want to recompute the expression 
> using a different algorithm (e.g. complex numbers or 
> analytically).
>
> ?

No. Once you load an SNAN, it isn't an SNAN any more! It is a 
QNAN.
You cannot have an SNAN in a floating-point register (unless you 
do a nasty hack to pass it in). It gets converted during loading.

const float x = snan;
x = x;

// x is now a qnan.