GMP upgrade to 4.2.4 leads to errors in PARI/GP

[Vincent Lefevre]

On 2009-03-09 00:40:53 +0100, Torbjorn Granlund wrote:
> Vincent Lefevre <vincent at vinc17.org> writes:
> 
>   On my Mac OS X machine, I've upgraded GMP from 4.2.3 to 4.2.4, didn't
>   recompile PARI/GP (this should not be needed), and I now get errors:
>   
>   prunille:~> gp
>   Reading GPRC: /Users/vinc17/.gprc ...Done.
>   
>                     GP/PARI CALCULATOR Version 2.3.4 (released)
>             PowerPC running darwin (PPC/GMP-4.2.3 kernel) 32-bit version
>          compiled: Oct 24 2008, gcc-4.0.1 (Apple Computer, Inc. build 5367)
>                   (readline v5.2 enabled, extended help available)
>   
>                        Copyright (C) 2000-2006 The PARI Group
>   
>   PARI/GP is free software, covered by the GNU General Public License, and 
>   comes WITHOUT ANY WARRANTY WHATSOEVER.
>   
>   Type ? for help, \q to quit.
>   Type ?12 for how to get moral (and possibly technical) support.
>   
>   parisize = 4000000, primelimit = 500000
>   ? 17.
>   %1 = 1.000000000000000000000000000 E99
>   
> I have no idea what you're doing here.  What is input, what is output?

The input is "17." (the number 17 seen as a floating-point number).
The output is 1.0E99, which is clearly wrong (it should have been 17).

-- 
Vincent Lefèvre <vincent at vinc17.org> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)