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Groups > comp.soft-sys.math.maple > #338 > unrolled thread

(in iroot) powering may produce overflow

Started bymathar@dommel.strw.leidenuniv.nl (Richard Mathar)
First post2012-01-31 15:06 +0000
Last post2013-04-11 08:08 -0700
Articles 16 — 11 participants

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Contents

  (in iroot) powering may produce overflow mathar@dommel.strw.leidenuniv.nl (Richard Mathar) - 2012-01-31 15:06 +0000
    Re: (in iroot) powering may produce overflow Joe Riel <joer@san.rr.com> - 2012-01-31 08:52 -0800
    Re: (in iroot) powering may produce overflow Axel Vogt <&noreply@axelvogt.de> - 2012-01-31 19:20 +0100
    Re: (in iroot) powering may produce overflow Thomas Richard <trichard@maplesoft.com> - 2012-02-01 01:08 -0800
    Re: (in iroot) powering may produce overflow mathar@dommel.strw.leidenuniv.nl (Richard Mathar) - 2012-02-02 11:31 +0000
    Re: (in iroot) powering may produce overflow des.johnston@gmail.com - 2012-05-18 03:11 -0700
      Re: (in iroot) powering may produce overflow Joe Riel <joer@san.rr.com> - 2012-05-18 07:48 -0700
        Re: (in iroot) powering may produce overflow "Nasser M. Abbasi" <nma@12000.org> - 2012-05-18 17:44 -0500
          Re: (in iroot) powering may produce overflow "G. A. Edgar" <edgar@math.ohio-state.edu.invalid> - 2012-05-19 05:49 -0600
    Re: (in iroot) powering may produce overflow acer <maple@rogers.com> - 2012-05-19 13:34 -0700
    Re: (in iroot) powering may produce overflow rno@cs.uni.wroc.pl - 2012-05-26 04:17 -0700
      Re: (in iroot) powering may produce overflow rno@cs.uni.wroc.pl - 2012-05-29 13:31 -0700
        Re: (in iroot) powering may produce overflow "Nasser M. Abbasi" <nma@12000.org> - 2012-05-30 23:58 -0500
          Re: (in iroot) powering may produce overflow Ezesez Geza <ezesezgeza@gmail.com> - 2012-06-05 07:39 -0700
            Re: (in iroot) powering may produce overflow Ezesez Geza <ezesezgeza@gmail.com> - 2012-06-05 07:54 -0700
              Re: (in iroot) powering may produce overflow tvinar@gmail.com - 2013-04-11 08:08 -0700

#338 — (in iroot) powering may produce overflow

Frommathar@dommel.strw.leidenuniv.nl (Richard Mathar)
Date2012-01-31 15:06 +0000
Subject(in iroot) powering may produce overflow
Message-ID<jg9010$3fn$1@speranza.aioe.org>
Has anyone seen this before and is there a way to avoid this error:
    |\^/|     Maple 14 (X86 64 LINUX)
._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
 \  MAPLE  /  All rights reserved. Maple is a trademark of
 <____ ____>  Waterloo Maple Inc.
      |       Type ? for help.
> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
                                                               2     2    2 2
                                                        2   (Ri  - Rj  - c )
                                                      Ri  - -----------------
                                                                     2
                                                                  4 c

> factor(%) ;
Error, (in iroot) powering may produce overflow

This seems to be new when combining Maple 14 with a Fedora 16 system.

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#339

FromJoe Riel <joer@san.rr.com>
Date2012-01-31 08:52 -0800
Message-ID<877h07zufa.fsf@san.rr.com>
In reply to#338
mathar@dommel.strw.leidenuniv.nl (Richard Mathar) writes:

> Has anyone seen this before and is there a way to avoid this error:
>     |\^/|     Maple 14 (X86 64 LINUX)
> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>  \  MAPLE  /  All rights reserved. Maple is a trademark of
>  <____ ____>  Waterloo Maple Inc.
>       |       Type ? for help.
>> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>                                                                2     2    2 2
>                                                         2   (Ri  - Rj  - c )
>                                                       Ri  - -----------------
>                                                                      2
>                                                                   4 c
>
>> factor(%) ;
> Error, (in iroot) powering may produce overflow
>
> This seems to be new when combining Maple 14 with a Fedora 16 system.

It works for me on a Debian system with Maple14 and 15:

    |\^/|     Maple 14 (X86 64 LINUX)
._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
 \  MAPLE  /  All rights reserved. Maple is a trademark of
 <____ ____>  Waterloo Maple Inc.
      |       Type ? for help.
(**) Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
                                     2     2    2 2
                              2   (Ri  - Rj  - c )
                            Ri  - -----------------
                                           2
                                        4 c

(**) factor(%) ;                     
                  2     2    2               2     2             2
              (-Rj  + Ri  - c  - 2 Ri c) (-Rj  + Ri  + 2 Ri c - c )
            - -----------------------------------------------------
                                         2
                                      4 c


-- 
Joe Riel

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#340

FromAxel Vogt <&noreply@axelvogt.de>
Date2012-01-31 19:20 +0100
Message-ID<9oqpn2FqrtU1@mid.individual.net>
In reply to#338
On 31.01.2012 16:06, Richard Mathar wrote:
> Has anyone seen this before and is there a way to avoid this error:
>      |\^/|     Maple 14 (X86 64 LINUX)
> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>   \  MAPLE  /  All rights reserved. Maple is a trademark of
>   <____ ____>   Waterloo Maple Inc.
>        |       Type ? for help.
>> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
..
>> factor(%) ;
> Error, (in iroot) powering may produce overflow
>
> This seems to be new when combining Maple 14 with a Fedora 16 system.

Works for with M12 and M15, classical interface on Win XP

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#341

FromThomas Richard <trichard@maplesoft.com>
Date2012-02-01 01:08 -0800
Message-ID<748dbcb2-b9f5-48a6-821e-8226f5630d17@c6g2000vbk.googlegroups.com>
In reply to#338
On 31 Jan., 16:06, mat...@dommel.strw.leidenuniv.nl (Richard Mathar)
wrote:
> Has anyone seen this before and is there a way to avoid this error:

Yes: http://www.mapleprimes.com/questions/130220-Maple-15-X86-64-LINUX-Fedora-16-Log2

Fedora 16 apparently broke something (in the shared libraries maybe).
We recommend using one of the supported dristributions. For Maple 15:
http://www.maplesoft.com/products/system_requirements.aspx

For Maple 14 system requirements, please see your Install.html.

--
Thomas Richard
Maplesoft Europe GmbH

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#343

Frommathar@dommel.strw.leidenuniv.nl (Richard Mathar)
Date2012-02-02 11:31 +0000
Message-ID<jgds76$6ia$1@speranza.aioe.org>
In reply to#338
I wrote:
>Has anyone seen this before and is there a way to avoid this error:
>> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>                                                               2     2    2 2
>                                                        2   (Ri  - Rj  - c )
>                                                      Ri  - -----------------
>                                                                     2
>                                                                  4 c
>
>> factor(%) ;
>Error, (in iroot) powering may produce overflow

The problem has gone away: our department has not renewed the Maple
licence citing the unfavorable cost-over-user ratio, so the error does
not bother me anymore.
RJM

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#448

Fromdes.johnston@gmail.com
Date2012-05-18 03:11 -0700
Message-ID<83aaa149-1c39-461f-bfa5-74ccc768aa96@googlegroups.com>
In reply to#338
On Tuesday, 31 January 2012 15:06:08 UTC, Richard Mathar  wrote:
> Has anyone seen this before and is there a way to avoid this error:
>     |\^/|     Maple 14 (X86 64 LINUX)
> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>  \  MAPLE  /  All rights reserved. Maple is a trademark of
>  <____ ____>  Waterloo Maple Inc.
>       |       Type ? for help.
> > Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>                                                                2     2    2 2
>                                                         2   (Ri  - Rj  - c )
>                                                       Ri  - -----------------
>                                                                      2
>                                                                   4 c
> 
> > factor(%) ;
> Error, (in iroot) powering may produce overflow
> 
> This seems to be new when combining Maple 14 with a Fedora 16 system.


Hmm, hasn't gone away for me :) It's still a problem in Maple15 on Ubuntu 12.04 64bit.

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#449

FromJoe Riel <joer@san.rr.com>
Date2012-05-18 07:48 -0700
Message-ID<87ehqhczp0.fsf@san.rr.com>
In reply to#448
des.johnston@gmail.com writes:

> On Tuesday, 31 January 2012 15:06:08 UTC, Richard Mathar  wrote:
>> Has anyone seen this before and is there a way to avoid this error:
>>     |\^/|     Maple 14 (X86 64 LINUX)
>> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>>  \  MAPLE  /  All rights reserved. Maple is a trademark of
>>  <____ ____>  Waterloo Maple Inc.
>>       |       Type ? for help.
>> > Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>>                                                                2     2    2 2
>>                                                         2   (Ri  - Rj  - c )
>>                                                       Ri  - -----------------
>>                                                                      2
>>                                                                   4 c
>> 
>> > factor(%) ;
>> Error, (in iroot) powering may produce overflow
>> 
>> This seems to be new when combining Maple 14 with a Fedora 16 system.
>
>
> Hmm, hasn't gone away for me :) It's still a problem in Maple15 on Ubuntu 12.04 64bit.

It works for me with Maple 14,15,16 on Debian 64 bit.

-- 
Joe Riel

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#450

From"Nasser M. Abbasi" <nma@12000.org>
Date2012-05-18 17:44 -0500
Message-ID<jp6jd8$pcp$1@speranza.aioe.org>
In reply to#449
On 5/18/2012 9:48 AM, Joe Riel wrote:
> des.johnston@gmail.com writes:
>
>> On Tuesday, 31 January 2012 15:06:08 UTC, Richard Mathar  wrote:
>>> Has anyone seen this before and is there a way to avoid this error:
>>>      |\^/|     Maple 14 (X86 64 LINUX)
>>> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>>>   \  MAPLE  /  All rights reserved. Maple is a trademark of
>>>   <____ ____>   Waterloo Maple Inc.
>>>        |       Type ? for help.
>>>> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>>>                                                                 2     2    2 2
>>>                                                          2   (Ri  - Rj  - c )
>>>                                                        Ri  - -----------------
>>>                                                                       2
>>>                                                                    4 c
>>>
>>>> factor(%) ;
>>> Error, (in iroot) powering may produce overflow
>>>
>>> This seems to be new when combining Maple 14 with a Fedora 16 system.
>>
>>
>> Hmm, hasn't gone away for me :) It's still a problem in Maple15 on Ubuntu 12.04 64bit.
>


> It works for me with Maple 14,15,16 on Debian 64 bit.
>

and it works for me on Maple 14 on windows 7, 64 bit OS


     |\^/|     Maple 14 (IBM INTEL NT)
._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
  \  MAPLE  /  All rights reserved. Maple is a trademark of
  <____ ____>  Waterloo Maple Inc.
       |       Type ? for help.
>  Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
                                      2     2    2 2
                               2   (Ri  - Rj  - c )
                             Ri  - -----------------
                                            2
                                         4 c

> factor(%);
                   2     2    2               2     2             2
               (-Rj  + Ri  - c  - 2 Ri c) (-Rj  + Ri  + 2 Ri c - c )
             - -----------------------------------------------------
                                          2
                                       4 c

>


--nasser

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#451

From"G. A. Edgar" <edgar@math.ohio-state.edu.invalid>
Date2012-05-19 05:49 -0600
Message-ID<190520120549120155%edgar@math.ohio-state.edu.invalid>
In reply to#450
In article <jp6jd8$pcp$1@speranza.aioe.org>, Nasser M. Abbasi
<nma@12000.org> wrote:

> On 5/18/2012 9:48 AM, Joe Riel wrote:
> > des.johnston@gmail.com writes:
> >
> >> On Tuesday, 31 January 2012 15:06:08 UTC, Richard Mathar  wrote:
> >>> Has anyone seen this before and is there a way to avoid this error:
> >>>      |\^/|     Maple 14 (X86 64 LINUX)
> >>> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc.
> >>> 2010
> >>>   \  MAPLE  /  All rights reserved. Maple is a trademark of
> >>>   <____ ____>   Waterloo Maple Inc.
> >>>        |       Type ? for help.
> >>>> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
> >>>                                                                 2     2   
> 2 2
> >>>                                                          2   (Ri  - Rj  -
> c )
> >>>                                                        Ri  -
> -----------------
> >>>                                                                       2
> >>>                                                                    4 c
> >>>
> >>>> factor(%) ;
> >>> Error, (in iroot) powering may produce overflow
> >>>
> >>> This seems to be new when combining Maple 14 with a Fedora 16 system.
> >>
> >>
> >> Hmm, hasn't gone away for me :) It's still a problem in Maple15 on Ubuntu
> >> 12.04 64bit.
> >
> 
> 
> > It works for me with Maple 14,15,16 on Debian 64 bit.
> >
> 
> and it works for me on Maple 14 on windows 7, 64 bit OS
> 
> 
Also no problem on Mac.  So ... is this an Ubuntu problem?

-- 
G. A. Edgar                              http://www.math.ohio-state.edu/~edgar/

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#452

Fromacer <maple@rogers.com>
Date2012-05-19 13:34 -0700
Message-ID<84014e1e-1dfa-4325-bde1-eb5db25455d0@googlegroups.com>
In reply to#338
Le mardi 31 janvier 2012 10:06:08 UTC-5, Richard Mathar a écrit :
> Has anyone seen this before and is there a way to avoid this error:
>     |\^/|     Maple 14 (X86 64 LINUX)
> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>  \  MAPLE  /  All rights reserved. Maple is a trademark of
>  <____ ____>  Waterloo Maple Inc.
>       |       Type ? for help.
> > Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>                                                                2     2    2 2
>                                                         2   (Ri  - Rj  - c )
>                                                       Ri  - -----------------
>                                                                      2
>                                                                   4 c
> 
> > factor(%) ;
> Error, (in iroot) powering may produce overflow
> 
> This seems to be new when combining Maple 14 with a Fedora 16 system.


There is a known compatibility issue in some compiled parts of 64bit Linux Maple 15 which causes a problem with some of the Fedora 16 x86-64 or ubuntu 12.04 x86-64 shared libs.

See this response by (Maplesoft employee) `dskoog` on Mapleprimes:

http://www.mapleprimes.com/questions/130220-Maple-15-X86-64-LINUX-Fedora-16-Log2#comment130515

The essence of that comment is that the issue should be resolved in Maple 16, and that if users of 64bit Maple 15 on Fedora 16 x86-64 Linux contact support@maplesoft.com then some workaround might be possible.

If one hunts around on Mapleprimes, one can see that the same issues appear for ubuntu 12.05 64bit as they do for Fedora 16. So, with luck, a Maple 15 workaround might work for both os those Linux distros.

acer

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#455

Fromrno@cs.uni.wroc.pl
Date2012-05-26 04:17 -0700
Message-ID<a582c911-9a4d-4ef3-aaee-6a936909f104@googlegroups.com>
In reply to#338
Hi, I have the same problem.
To reproduce this, it is even enought to ask Maple to compute

> log[2](2);

It seams to be a problem on Ubuntu 12.04 x64.

Has anyone figured out how to solve the problem?

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#457

Fromrno@cs.uni.wroc.pl
Date2012-05-29 13:31 -0700
Message-ID<ce547788-ff87-4876-9d18-8b729e553c55@googlegroups.com>
In reply to#455
W dniu sobota, 26 maja 2012 13:17:43 UTC+2 użytkownik r...@cs.uni.wroc.pl napisał:
> Hi, I have the same problem.
> To reproduce this, it is even enought to ask Maple to compute
> 
> > log[2](2);
> 
> It seams to be a problem on Ubuntu 12.04 x64.
> 
> Has anyone figured out how to solve the problem?

Today, I received the response from Maplesoft support.
In short, the solution is to buy Maple 16.

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#459

From"Nasser M. Abbasi" <nma@12000.org>
Date2012-05-30 23:58 -0500
Message-ID<jq6tpu$319$1@speranza.aioe.org>
In reply to#457
On 5/29/2012 3:31 PM, rno@cs.uni.wroc.pl wrote:
> W dniu sobota, 26 maja 2012 13:17:43 UTC+2 użytkownik r...@cs.uni.wroc.pl napisał:
>> Hi, I have the same problem.
>> To reproduce this, it is even enought to ask Maple to compute
>>
>>> log[2](2);
>>

>> It seams to be a problem on Ubuntu 12.04 x64.
>>
>> Has anyone figured out how to solve the problem?
>

> Today, I received the response from Maplesoft support.
> In short, the solution is to buy Maple 16.

It will be nice if companies would publish bugs fixed
in each software release on a web site, so that if someone
is having a problem, then can just look it up and
see, and if it is fixed, and in which release it was
fixed.

--Nasser

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#460

FromEzesez Geza <ezesezgeza@gmail.com>
Date2012-06-05 07:39 -0700
Message-ID<4f3f7378-a9f8-4adc-a711-ebfa4a059f52@q2g2000vbv.googlegroups.com>
In reply to#459
On May 31, 6:58 am, "Nasser M. Abbasi" <n...@12000.org> wrote:
> On 5/29/2012 3:31 PM, r...@cs.uni.wroc.pl wrote:
>
> > W dniu sobota, 26 maja 2012 13:17:43 UTC+2 użytkownik r...@cs.uni.wroc.pl napisał:
> >> Hi, I have the same problem.
> >> To reproduce this, it is even enought to ask Maple to compute
>
> >>> log[2](2);
>
> >> It seams to be a problem on Ubuntu 12.04 x64.
>
> >> Has anyone figured out how to solve the problem?
>
> > Today, I received the response from Maplesoft support.
> > In short, the solution is to buy Maple 16.
>
> It will be nice if companies would publish bugs fixed
> in each software release on a web site, so that if someone
> is having a problem, then can just look it up and
> see, and if it is fixed, and in which release it was
> fixed.
>
> --Nasser

What is worse, I wrote one workaround on the mapleprimes site, and
they deleted it!
So, if you copy over shared libraries from an older linux (eg. ubuntu
11.10),
everything from from /lib/x86_64-linux-gnu and libX* libx* from /usr/
lib/x86_64-linux-gnu
to a directory under your maple15 install directory, and tweak
LD_LIBRARY_PATH in the maple wrapper script,
it works.
On mapleprimes, they claim that the bug is due to a changed hflogb in
some of the libraries, but I was unable to find which lib this is
implemented in.
If we knew that, one could take hflogb, and the functions that depend
on it, from an older libc source, compile it into a separate shared
library,
and load it before maple using LD_PRELOAD.

-- Geza

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#461

FromEzesez Geza <ezesezgeza@gmail.com>
Date2012-06-05 07:54 -0700
Message-ID<8b1b01d5-1b7e-4151-af9f-56e12cd9a693@s9g2000vbg.googlegroups.com>
In reply to#460
On Jun 5, 4:39 pm, Ezesez Geza <ezesezg...@gmail.com> wrote:
> On May 31, 6:58 am, "Nasser M. Abbasi" <n...@12000.org> wrote:
>
>
>
>
>
>
>
>
>
> > On 5/29/2012 3:31 PM, r...@cs.uni.wroc.pl wrote:
>
> > > W dniu sobota, 26 maja 2012 13:17:43 UTC+2 użytkownik r...@cs.uni.wroc.pl napisał:
> > >> Hi, I have the same problem.
> > >> To reproduce this, it is even enought to ask Maple to compute
>
> > >>> log[2](2);
>
> > >> It seams to be a problem on Ubuntu 12.04 x64.
>
> > >> Has anyone figured out how to solve the problem?
>
> > > Today, I received the response from Maplesoft support.
> > > In short, the solution is to buy Maple 16.
>
> > It will be nice if companies would publish bugs fixed
> > in each software release on a web site, so that if someone
> > is having a problem, then can just look it up and
> > see, and if it is fixed, and in which release it was
> > fixed.
>
> > --Nasser
>
> What is worse, I wrote one workaround on the mapleprimes site, and
> they deleted it!
> So, if you copy over shared libraries from an older linux (eg. ubuntu
> 11.10),
> everything from from /lib/x86_64-linux-gnu and libX* libx* from /usr/
> lib/x86_64-linux-gnu
> to a directory under your maple15 install directory, and tweak
> LD_LIBRARY_PATH in the maple wrapper script,
> it works.
> On mapleprimes, they claim that the bug is due to a changed hflogb in
> some of the libraries, but I was unable to find which lib this is
> implemented in.
> If we knew that, one could take hflogb, and the functions that depend
> on it, from an older libc source, compile it into a separate shared
> library,
> and load it before maple using LD_PRELOAD.
>
> -- Geza

Sorry, I was careless. It is there, but no answer.

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#715

Fromtvinar@gmail.com
Date2013-04-11 08:08 -0700
Message-ID<39686b68-806e-4b2a-a90f-c0e80359c307@googlegroups.com>
In reply to#461
On Tuesday, 5 June 2012 16:54:11 UTC+2, Ezesez Geza  wrote:
> On Jun 5, 4:39 pm, Ezesez Geza <ezesezg...@gmail.com> wrote:
> 
> > On May 31, 6:58 am, "Nasser M. Abbasi" <n...@12000.org> wrote:
> 
> >
> 
> >
> 
> >
> 
> >
> 
> >
> 
> >
> 
> >
> 
> >
> 
> >
> 
> > > On 5/29/2012 3:31 PM, r...@cs.uni.wroc.pl wrote:
> 
> >
> 
> > > > W dniu sobota, 26 maja 2012 13:17:43 UTC+2 użytkownik r...@cs.uni.wroc.pl napisał:
> 
> > > >> Hi, I have the same problem.
> 
> > > >> To reproduce this, it is even enought to ask Maple to compute
> 
> >
> 
> > > >>> log[2](2);
> 
> >
> 
> > > >> It seams to be a problem on Ubuntu 12.04 x64.
> 
> >
> 
> > > >> Has anyone figured out how to solve the problem?
> 
> >
> 
> > > > Today, I received the response from Maplesoft support.
> 
> > > > In short, the solution is to buy Maple 16.
> 
> >
> 
> > > It will be nice if companies would publish bugs fixed
> 
> > > in each software release on a web site, so that if someone
> 
> > > is having a problem, then can just look it up and
> 
> > > see, and if it is fixed, and in which release it was
> 
> > > fixed.
> 
> >
> 
> > > --Nasser
> 
> >
> 
> > What is worse, I wrote one workaround on the mapleprimes site, and
> 
> > they deleted it!
> 
> > So, if you copy over shared libraries from an older linux (eg. ubuntu
> 
> > 11.10),
> 
> > everything from from /lib/x86_64-linux-gnu and libX* libx* from /usr/
> 
> > lib/x86_64-linux-gnu
> 
> > to a directory under your maple15 install directory, and tweak
> 
> > LD_LIBRARY_PATH in the maple wrapper script,
> 
> > it works.
> 
> > On mapleprimes, they claim that the bug is due to a changed hflogb in
> 
> > some of the libraries, but I was unable to find which lib this is
> 
> > implemented in.
> 
> > If we knew that, one could take hflogb, and the functions that depend
> 
> > on it, from an older libc source, compile it into a separate shared
> 
> > library,
> 
> > and load it before maple using LD_PRELOAD.
> 
> >
> 
> > -- Geza
> 
> 
> 
> Sorry, I was careless. It is there, but no answer.

Seems like for maple (without windows) the contents of the following packages from e.g. ubuntu 11.10 is needed:

libc6_2.13-20ubuntu5.3_amd64.deb

For X-windows version I also needed:

libx11-6_1.4.4-2ubuntu1_amd64.deb
libxcb1_1.7-3_amd64.deb 
libxext6_1.3.0-3_amd64.deb  
libxi6_1.4.3-3ubuntu1.1_amd64.deb

I linked the files into directory $MAPLEROOT/bin.X86_64_LINUX
This way no changes in the startup scripts were necessary.

Seems to work for as old as maple 12

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