(j3.2006) the IEEE modules and distinguishing zero values

John Reid John.Reid
Fri Nov 11 04:10:53 EST 2011


J3,

My message came out badly because of my cut-and-paste from the PDF. Here 
is another try.

Robert Corbett wrote:
 > Is a processor that returns .TRUE. for IEEE_SUPPORT_STANDARD() required
 > to distinguish between the zero values +0 and -0 (see Clause 4.4.2.3,
 > paragraph 3, page 54)?

Yes.

14.9p7 says
"The inquiry function IEEE_SUPPORT_STANDARD is provided to inquire 
whether the processor supports all the IEC 60559:1989 facilities
defined in this part of ISO/IEC 1539 for a particular kind of real."

Cheers,

John.




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