[Issue 2388] type of NaN given by real.nan not specified

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=2388


Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |WONTFIX


--- Comment #3 from Walter Bright <bugzilla at digitalmars.com> 2012-01-22 16:40:20 PST ---
That's a great idea, but it falls down in practice due to the varying behavior
XMM and x87 opcodes have when being used to simply copy floating point values.
Sometimes the Signalling Nan bit is left alone, sometimes it is converted to a
Quiet Nan.

Going on a quixotic quest to try to compensate for such erratic behavior
results in bloated, slow code, and the marginal benefit is not worth it.

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