quad precision question

[R. Baker Kearfott]

I've not seen "IEEE quad" explicitly defined.  Have I missed it?  
Would it fall under the IEEE radix-independent standard?

Baker

At 04:46 PM 9/27/00 -0700, Stu Anderson 425-865-3595 wrote:
>Is this list alive?  If so, I have a question.
>
>When I run various Fortran 90/95 compilers with
>   selected_real_kind(p=24),
>I get the following results:
>
>              radix digits minexponent maxexponent
>
>HP              2    113      -16381       16384
>Sun             2    113      -16381       16384
>
>RS6000          2    106        -968        1024
>SGI             2    107        -915        1023
>
>Note: for IEEE double, the four numbers are (2 53 -1021 1024).
>
>The HP and the Sun are using what could be called IEEE Quad.
>The RS6000 and the SGI are using two IEEE doubles.
>
>Why are the RS6000 and SGI numbers different?
>
>--Stu Anderson
>_______________________________________________________________
>stu.andersonaboeing.com -- Mathematics and Computing Technology
>http://www.rt.cs.boeing.com/MEA/comp_math/sla/
>http://www.halcyon.com/stuander/
>Who speaks for Boeing?  Not me! 
>
>
>
---------------------------------------------------------------
R. Baker Kearfott,    rbkalouisiana.edu   (337) 482-5346 (fax)
(337) 482-5270 (work)                     (337) 981-9744 (home)
URL: http://interval.louisiana.edu/kearfott.html
Department of Mathematics, University of Louisiana at Lafayette
Box 4-1010, Lafayette, LA 70504-1010, USA
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