วันศุกร์ที่ 31 กรกฎาคม พ.ศ. 2552

[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

Craig Citro wrote:
>>> There is such a search right here:
>>>
>>> http://groups..google.com/group/sage-devel
>>> <http://groups.google.com/group/sage-devel>
>>
>> Yes. I meant "I love that Sage has a google search. I wish the nauty
>> list had a google search, but I can't seem to find any search for their
>> archives at all!"
>>
>
> Can't you just do a google search and add
> site:http://dcsmail.anu.edu.au/pipermail/nauty-list/? I just tried
> this for graph6, and it seemed to turn up a bunch of stuff:
>
> http://www.google.com/search?q=graph6+site%3Ahttp%3A%2F%2Fdcsmail.anu.edu.au%2Fpipermail%2Fnauty-list%2F
>
> Mind you, I didn't actually *look* at the results ... but it seems to
> be successfully searching that list. ;)


Good point. If it's on the web, then there's a google search for it.

Well, I couldn't find anything. It might have been in private emails.
I'll send a new email anyway.

Thanks,

Jason


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[sage-devel] Re: Sage organizational structure, AWOL people

William Stein wrote:

>
> So, dear William Stein, how much do you know that nobody else know?!
>
>
> The only thing I can think of along these lines is the login credentials
> for GoDaddy.com, from whom I rent the sagemath.org <http://sagemath.org>
> and sagenb.org <http://sagenb.org> domain names. Harald has
> volunteered to also hold that info. I might not be thinking of
> something obvious though.

Is there anything about the Sage Foundation that should be shared with
appropriate people?

Thanks,

Jason


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[sage-devel] Re: Sage sandpiles package, 4ti2 and glpk spkgs

On Fri, Jul 31, 2009 at 8:26 PM, Marshall Hampton<hamptonio@gmail.com> wrote:
>
> Can you put the source of the failure up at http://trac.sagemath.org/sage_trac/ticket/6663?


This failure I had was fake! Here's what I did. I first tried the evil
experimental
4ti2*.spkg. That deleted N Cohen's "good" glpk install from the sage tree
and installed its own version of glpk. The subsequent 4ti2 install failed.
(I posted the log to
http://sage.math.washington.edu/home/wdj/patches/4ti2-install1.log
if you care.)

I then tried to install your 4ti2, thinking I had the "good" glpk
installed but actually
I had the evil glpk installed. That install failed. That is the "fake" failure.

I think forced a reinstall of the good glpk, which happily destroyed
the evil one.
At this point, your 4ti2 installed sucessfully.

Because of all this craziness, I think in experimental
(1) the old 4ti2 should be removed and replaced by yours.
(2) the old glpk should be replaced by N Cohen's.


>
> Thanks for trying it out!
>
> Marshall
>
> On Jul 31, 7:06 pm, David Joyner <wdjoy...@gmail.com> wrote:
>> Thanks for trying this Marshall. Unfortunately, your spkg, and the
>> older experimental spkg,
>> for 4ti2, both fail to install on my amd64 ubuntu 9.04 machine. I have
>> N Cohen's version of the
>> glpk spkg installed.
>>
>> On Fri, Jul 31, 2009 at 12:18 PM, Marshall Hampton<hampto...@gmail.com> wrote:
>>
>> > OK, that was stupid of me, I should have looked in the experimental
>> > packages first.  There are older ones for 4ti2 and glpk, which might
>> > solve my problems.
>>
>> > -Marshall
>>
>> > On Jul 31, 11:15 am, Marshall Hampton <hampto...@gmail.com> wrote:
>> >> I'm just editing the subject line to attract attention from people
>> >> like Mike Hansen who might have done overlapping work.
>>
>> >> -Marshall
>>
>> >> On Jul 31, 11:03 am, Marshall Hampton <hampto...@gmail.com> wrote:
>>
>> >> > I am trying to make an spkg for 4ti2, but I am having trouble getting
>> >> > it to recognize GMP.  I'm sure many people on this list are more
>> >> > qualified than I am to figure that out.
>>
>> >> > t4i2 requires the linear programming package glpk, which I think I did
>> >> > succeed in making an spkg for - at least it works on my mac, and its
>> >> > pretty minimal so I would think it works on linux.
>>
>> >> > My current attempts are at:
>>
>> >> >http://www.d.umn.edu/~mhampton/4ti2.p0.spkghttp://www.d.umn.edu/~mham...
>>
>> >> > in case anyone wants to take a look and fix or improve them.
>>
>> >> > -Marshall
>>
>> >> > On Jul 27, 4:30 pm, David Joyner <wdjoy...@gmail.com> wrote:
>>
>> >> > > I'm having trouble with 4ti installation. Maybe I'm just too impatient.
>> >> > > Do you have an spkg for it?
>>
>> >> > > On Mon, Jul 20, 2009 at 11:02 PM, davidp<dav...@reed.edu> wrote:
>>
>> >> > > > Marshall and David: thanks very much for these suggestions.
>>
>> >> > > > Dave
>>
>> >> > > > On Jul 20, 4:59 am, David Joyner <wdjoy...@gmail.com> wrote:
>> >> > > >> On Sun, Jul 19, 2009 at 3:33 PM, davidp<dav...@reed.edu> wrote:
>>
>> >> > > >> > I have been working on a Sage package for doing computations involving
>> >> > > >> > the
>> >> > > >> > AbelianSandpileModel.  In addition, this summer I am the mentor for
>> >> > > >> > a Google
>> >> > > >> > Summer of Code project which is a java application for visualizing and
>> >> > > >> > analyzing sandpiles.  The latest addition to the java program has been
>> >> > > >> > the
>> >> > > >> > ability to interact with Sage.  For a glance at what has been going
>> >> > > >> > on, I would
>> >> > > >> > recommend:
>>
>> >> > > >> >  www.reed.edu/~davidp/sand
>>
>> >> > > >> > especially
>>
>> >> > > >> >  www.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html
>>
>> >> > > >> > and
>>
>> >> > > >> >  www.reed.edu/~davidp/sand/program/program.html
>>
>> >> > > >> > It would be great to get feedback from Sage users.  The Google Summer
>>
>> >> > > >> I've read the papers on RR spaces of graphs, and related papers using
>> >> > > >> tropical curves,
>> >> > > >> so am very happy to see that this is implemented. Long ago, I looked
>> >> > > >> at the chip-firing papers.
>> >> > > >> However, I had no idea that these topics were related and have
>> >> > > >> forgotten what I read
>> >> > > >> about that aspect anyway.
>>
>> >> > > >> You asked for comments. Looking athttp://people.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html#dis...
>> >> > > >> andhttp://people.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html#pro...
>> >> > > >> (in other words looking at the *output* of your code and not the code itself),
>> >> > > >> I have a few observations (which may or may not be useful or correct:-):
>>
>> >> > > >> 1) it seems to me that you have implemented rather hackish methods for
>> >> > > >> constructing and manipulating divisors on graphs. It would be nice if
>> >> > > >> they were implemented
>> >> > > >> in a way similar to divisors on curves (ie, as a class with methods
>> >> > > >> for addition, etc).
>>
>> >> > > >> 2) It seems you have a included some print statements for the r_of_D function:
>>
>> >> > > >> sage: r_of_D = S.r_of_D(D)[0]
>> >> > > >>     0
>> >> > > >>     1
>> >> > > >>     2
>> >> > > >>     sage: r_of_F = S.r_of_D(F)[0]
>> >> > > >>     0
>>
>> >> > > >> though I am not sure. I would suggest having r_of_D return r(D) by
>> >> > > >> default and then
>> >> > > >> have an option 'algorithm = "verbose"' or something if you want to
>> >> > > >> output the divisor F
>> >> > > >> as well. I suggest eliminating the print statements. Typically and assignment
>> >> > > >> in Python (such as r_of_D = S.r_of_D(D)[0]) has no values printed to the screen.
>>
>> >> > > >> 3) You seem to have a non-standard method of describing a ring in Sage:
>>
>> >> > > >>     sage: g = {0:{},1:{0:1,3:1,4:1},2:{0:1,3:1,5:1},
>> >> > > >>                3:{2:1,5:1},4:{1:1,3:1},5:{2:1,3:1}}
>> >> > > >>     sage: S =Sandpile(g, 0)
>> >> > > >>     sage: S.ring()
>>
>> >> > > >>     //   characteristic : 0
>> >> > > >>     //   number of vars : 6
>> >> > > >>     //        block   1 : ordering dp
>> >> > > >>     //                  : names    x_5 x_4 x_3 x_2 x_1 x_0
>> >> > > >>     //        block   2 : ordering C
>>
>> >> > > >> It seems to me the print method should, again, mirror that of the
>> >> > > >> base_ring method for an algebraic curve.
>>
>> >> > > >> Overall though I think this is extremely interesting code and I'm
>> >> > > >> looking forward
>> >> > > >> to playing with it a lot more! This week I'm helping with advising new freshmen
>> >> > > >> who will be starting classes this fall, but will try to give you more detailed
>> >> > > >> comments as soon as I can.
>>
>> >> > > >> > of Code
>> >> > > >> > project will end in August, so if there are any features you would
>> >> > > >> > like us to
>> >> > > >> > add to the java application, please let us know as soon as possible.
>>
>> >> > > >> > Thanks,
>> >> > > >> > Dave
> >
>

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[sage-devel] Re: reviews for symbolics bug fixes

On Sat, Aug 1, 2009 at 12:54 PM, Burcin Erocal<burcin@erocal.org> wrote:
>
> Hi,
>
> I just uploaded a new pynac package and patches which fix
>
> #6404 conjugate typesetting
> #6401 typesetting real and imag
> #6243 fderivative hash collision
> #6377 exp evaluation at infinity
>
> on trac. The package is here:
>
> http://sage.math.washington.edu/home/burcin/pynac/pynac-0.1.8.p2.spkg

It would be good to have these tickets reviewed for 4.1.1, since we
have been receiving reports of doctest failures in the module

devel/sage/sage/symbolic/expression.pyx

--
Regards
Minh Van Nguyen

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[sage-devel] reviews for symbolics bug fixes

Hi,

I just uploaded a new pynac package and patches which fix

#6404 conjugate typesetting
#6401 typesetting real and imag
#6243 fderivative hash collision
#6377 exp evaluation at infinity

on trac. The package is here:

http://sage.math.washington.edu/home/burcin/pynac/pynac-0.1.8.p2.spkg

It would be good to include these in the 4.1.1 release. Are there any
volunteers for reviews?


Thanks.

Burcin


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[sage-devel] Re: Sage sandpiles package, 4ti2 and glpk spkgs

Can you put the source of the failure up at http://trac.sagemath.org/sage_trac/ticket/6663?

Thanks for trying it out!

Marshall

On Jul 31, 7:06 pm, David Joyner <wdjoy...@gmail.com> wrote:
> Thanks for trying this Marshall. Unfortunately, your spkg, and the
> older experimental spkg,
> for 4ti2, both fail to install on my amd64 ubuntu 9.04 machine. I have
> N Cohen's version of the
> glpk spkg installed.
>
> On Fri, Jul 31, 2009 at 12:18 PM, Marshall Hampton<hampto...@gmail.com> wrote:
>
> > OK, that was stupid of me, I should have looked in the experimental
> > packages first. There are older ones for 4ti2 and glpk, which might
> > solve my problems.
>
> > -Marshall
>
> > On Jul 31, 11:15 am, Marshall Hampton <hampto...@gmail.com> wrote:
> >> I'm just editing the subject line to attract attention from people
> >> like Mike Hansen who might have done overlapping work.
>
> >> -Marshall
>
> >> On Jul 31, 11:03 am, Marshall Hampton <hampto...@gmail.com> wrote:
>
> >> > I am trying to make an spkg for 4ti2, but I am having trouble getting
> >> > it to recognize GMP. I'm sure many people on this list are more
> >> > qualified than I am to figure that out.
>
> >> > t4i2 requires the linear programming package glpk, which I think I did
> >> > succeed in making an spkg for - at least it works on my mac, and its
> >> > pretty minimal so I would think it works on linux.
>
> >> > My current attempts are at:
>
> >> >http://www.d.umn.edu/~mhampton/4ti2.p0.spkghttp://www.d.umn.edu/~mham...
>
> >> > in case anyone wants to take a look and fix or improve them.
>
> >> > -Marshall
>
> >> > On Jul 27, 4:30 pm, David Joyner <wdjoy...@gmail.com> wrote:
>
> >> > > I'm having trouble with 4ti installation. Maybe I'm just too impatient.
> >> > > Do you have an spkg for it?
>
> >> > > On Mon, Jul 20, 2009 at 11:02 PM, davidp<dav...@reed.edu> wrote:
>
> >> > > > Marshall and David: thanks very much for these suggestions.
>
> >> > > > Dave
>
> >> > > > On Jul 20, 4:59 am, David Joyner <wdjoy...@gmail.com> wrote:
> >> > > >> On Sun, Jul 19, 2009 at 3:33 PM, davidp<dav...@reed.edu> wrote:
>
> >> > > >> > I have been working on a Sage package for doing computations involving
> >> > > >> > the
> >> > > >> > AbelianSandpileModel. In addition, this summer I am the mentor for
> >> > > >> > a Google
> >> > > >> > Summer of Code project which is a java application for visualizing and
> >> > > >> > analyzing sandpiles. The latest addition to the java program has been
> >> > > >> > the
> >> > > >> > ability to interact with Sage. For a glance at what has been going
> >> > > >> > on, I would
> >> > > >> > recommend:
>
> >> > > >> > www.reed.edu/~davidp/sand
>
> >> > > >> > especially
>
> >> > > >> > www.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html
>
> >> > > >> > and
>
> >> > > >> > www.reed.edu/~davidp/sand/program/program.html
>
> >> > > >> > It would be great to get feedback from Sage users. The Google Summer
>
> >> > > >> I've read the papers on RR spaces of graphs, and related papers using
> >> > > >> tropical curves,
> >> > > >> so am very happy to see that this is implemented. Long ago, I looked
> >> > > >> at the chip-firing papers.
> >> > > >> However, I had no idea that these topics were related and have
> >> > > >> forgotten what I read
> >> > > >> about that aspect anyway.
>
> >> > > >> You asked for comments. Looking athttp://people.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html#dis...
> >> > > >> andhttp://people.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html#pro...
> >> > > >> (in other words looking at the *output* of your code and not the code itself),
> >> > > >> I have a few observations (which may or may not be useful or correct:-):
>
> >> > > >> 1) it seems to me that you have implemented rather hackish methods for
> >> > > >> constructing and manipulating divisors on graphs. It would be nice if
> >> > > >> they were implemented
> >> > > >> in a way similar to divisors on curves (ie, as a class with methods
> >> > > >> for addition, etc).
>
> >> > > >> 2) It seems you have a included some print statements for the r_of_D function:
>
> >> > > >> sage: r_of_D = S.r_of_D(D)[0]
> >> > > >> 0
> >> > > >> 1
> >> > > >> 2
> >> > > >> sage: r_of_F = S.r_of_D(F)[0]
> >> > > >> 0
>
> >> > > >> though I am not sure. I would suggest having r_of_D return r(D) by
> >> > > >> default and then
> >> > > >> have an option 'algorithm = "verbose"' or something if you want to
> >> > > >> output the divisor F
> >> > > >> as well. I suggest eliminating the print statements. Typically and assignment
> >> > > >> in Python (such as r_of_D = S.r_of_D(D)[0]) has no values printed to the screen.
>
> >> > > >> 3) You seem to have a non-standard method of describing a ring in Sage:
>
> >> > > >> sage: g = {0:{},1:{0:1,3:1,4:1},2:{0:1,3:1,5:1},
> >> > > >> 3:{2:1,5:1},4:{1:1,3:1},5:{2:1,3:1}}
> >> > > >> sage: S =Sandpile(g, 0)
> >> > > >> sage: S.ring()
>
> >> > > >> // characteristic : 0
> >> > > >> // number of vars : 6
> >> > > >> // block 1 : ordering dp
> >> > > >> // : names x_5 x_4 x_3 x_2 x_1 x_0
> >> > > >> // block 2 : ordering C
>
> >> > > >> It seems to me the print method should, again, mirror that of the
> >> > > >> base_ring method for an algebraic curve.
>
> >> > > >> Overall though I think this is extremely interesting code and I'm
> >> > > >> looking forward
> >> > > >> to playing with it a lot more! This week I'm helping with advising new freshmen
> >> > > >> who will be starting classes this fall, but will try to give you more detailed
> >> > > >> comments as soon as I can.
>
> >> > > >> > of Code
> >> > > >> > project will end in August, so if there are any features you would
> >> > > >> > like us to
> >> > > >> > add to the java application, please let us know as soon as possible.
>
> >> > > >> > Thanks,
> >> > > >> > Dave
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[sage-devel] Re: Sage sandpiles package, 4ti2 and glpk spkgs

Thanks for trying this Marshall. Unfortunately, your spkg, and the
older experimental spkg,
for 4ti2, both fail to install on my amd64 ubuntu 9.04 machine. I have
N Cohen's version of the
glpk spkg installed.


On Fri, Jul 31, 2009 at 12:18 PM, Marshall Hampton<hamptonio@gmail.com> wrote:
>
> OK, that was stupid of me, I should have looked in the experimental
> packages first.  There are older ones for 4ti2 and glpk, which might
> solve my problems.
>
> -Marshall
>
> On Jul 31, 11:15 am, Marshall Hampton <hampto...@gmail.com> wrote:
>> I'm just editing the subject line to attract attention from people
>> like Mike Hansen who might have done overlapping work.
>>
>> -Marshall
>>
>> On Jul 31, 11:03 am, Marshall Hampton <hampto...@gmail.com> wrote:
>>
>> > I am trying to make an spkg for 4ti2, but I am having trouble getting
>> > it to recognize GMP.  I'm sure many people on this list are more
>> > qualified than I am to figure that out.
>>
>> > t4i2 requires the linear programming package glpk, which I think I did
>> > succeed in making an spkg for - at least it works on my mac, and its
>> > pretty minimal so I would think it works on linux.
>>
>> > My current attempts are at:
>>
>> >http://www.d.umn.edu/~mhampton/4ti2.p0.spkghttp://www.d.umn.edu/~mham...
>>
>> > in case anyone wants to take a look and fix or improve them.
>>
>> > -Marshall
>>
>> > On Jul 27, 4:30 pm, David Joyner <wdjoy...@gmail.com> wrote:
>>
>> > > I'm having trouble with 4ti installation. Maybe I'm just too impatient.
>> > > Do you have an spkg for it?
>>
>> > > On Mon, Jul 20, 2009 at 11:02 PM, davidp<dav...@reed.edu> wrote:
>>
>> > > > Marshall and David: thanks very much for these suggestions.
>>
>> > > > Dave
>>
>> > > > On Jul 20, 4:59 am, David Joyner <wdjoy...@gmail.com> wrote:
>> > > >> On Sun, Jul 19, 2009 at 3:33 PM, davidp<dav...@reed.edu> wrote:
>>
>> > > >> > I have been working on a Sage package for doing computations involving
>> > > >> > the
>> > > >> > AbelianSandpileModel.  In addition, this summer I am the mentor for
>> > > >> > a Google
>> > > >> > Summer of Code project which is a java application for visualizing and
>> > > >> > analyzing sandpiles.  The latest addition to the java program has been
>> > > >> > the
>> > > >> > ability to interact with Sage.  For a glance at what has been going
>> > > >> > on, I would
>> > > >> > recommend:
>>
>> > > >> >  www.reed.edu/~davidp/sand
>>
>> > > >> > especially
>>
>> > > >> >  www.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html
>>
>> > > >> > and
>>
>> > > >> >  www.reed.edu/~davidp/sand/program/program.html
>>
>> > > >> > It would be great to get feedback from Sage users.  The Google Summer
>>
>> > > >> I've read the papers on RR spaces of graphs, and related papers using
>> > > >> tropical curves,
>> > > >> so am very happy to see that this is implemented. Long ago, I looked
>> > > >> at the chip-firing papers.
>> > > >> However, I had no idea that these topics were related and have
>> > > >> forgotten what I read
>> > > >> about that aspect anyway.
>>
>> > > >> You asked for comments. Looking athttp://people.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html#dis...
>> > > >> andhttp://people.reed.edu/~davidp/sand/sage/html/sage_sandpiles.html#pro...
>> > > >> (in other words looking at the *output* of your code and not the code itself),
>> > > >> I have a few observations (which may or may not be useful or correct:-):
>>
>> > > >> 1) it seems to me that you have implemented rather hackish methods for
>> > > >> constructing and manipulating divisors on graphs. It would be nice if
>> > > >> they were implemented
>> > > >> in a way similar to divisors on curves (ie, as a class with methods
>> > > >> for addition, etc).
>>
>> > > >> 2) It seems you have a included some print statements for the r_of_D function:
>>
>> > > >> sage: r_of_D = S.r_of_D(D)[0]
>> > > >>     0
>> > > >>     1
>> > > >>     2
>> > > >>     sage: r_of_F = S.r_of_D(F)[0]
>> > > >>     0
>>
>> > > >> though I am not sure. I would suggest having r_of_D return r(D) by
>> > > >> default and then
>> > > >> have an option 'algorithm = "verbose"' or something if you want to
>> > > >> output the divisor F
>> > > >> as well. I suggest eliminating the print statements. Typically and assignment
>> > > >> in Python (such as r_of_D = S.r_of_D(D)[0]) has no values printed to the screen.
>>
>> > > >> 3) You seem to have a non-standard method of describing a ring in Sage:
>>
>> > > >>     sage: g = {0:{},1:{0:1,3:1,4:1},2:{0:1,3:1,5:1},
>> > > >>                3:{2:1,5:1},4:{1:1,3:1},5:{2:1,3:1}}
>> > > >>     sage: S =Sandpile(g, 0)
>> > > >>     sage: S.ring()
>>
>> > > >>     //   characteristic : 0
>> > > >>     //   number of vars : 6
>> > > >>     //        block   1 : ordering dp
>> > > >>     //                  : names    x_5 x_4 x_3 x_2 x_1 x_0
>> > > >>     //        block   2 : ordering C
>>
>> > > >> It seems to me the print method should, again, mirror that of the
>> > > >> base_ring method for an algebraic curve.
>>
>> > > >> Overall though I think this is extremely interesting code and I'm
>> > > >> looking forward
>> > > >> to playing with it a lot more! This week I'm helping with advising new freshmen
>> > > >> who will be starting classes this fall, but will try to give you more detailed
>> > > >> comments as soon as I can.
>>
>> > > >> > of Code
>> > > >> > project will end in August, so if there are any features you would
>> > > >> > like us to
>> > > >> > add to the java application, please let us know as soon as possible.
>>
>> > > >> > Thanks,
>> > > >> > Dave
> >
>

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[sage-devel] Re: Sage 4.1.1.rc0 released

Hi Marshall,

On Sat, Aug 1, 2009 at 9:35 AM, Marshall Hampton<hamptonio@gmail.com> wrote:
>
> On an intel mac running 10.4.11 I get:
>
> The following tests failed:
>
>
> sage -t "devel/sage/sage/parallel/decorate.py"
> sage -t "devel/sage/sage/symbolic/expression.pyx"
> Total time for all tests: 5865.0 seconds
>
> I assume these are known problems.

The doctest failure in devel/sage/sage/parallel/decorate.py is tracked
at ticket #6649:

http://trac.sagemath.org/sage_trac/ticket/6649

and is only related to Mac OS X. I don't have a Mac with me so I can't
test it. Any help in reviewing the patch posted by Georg is
appreciated.

As for the doctest failure in devel/sage/sage/symbolic/expression.pyx,
Georg has reported that with the release of 4.1.1.alpha1, but there
was no log for people to hunt down the failure. But my guess is that
the relevant tickets are #6404 and #6243.

--
Regards
Minh Van Nguyen

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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

Hi Marshall,

On Sat, Aug 1, 2009 at 9:32 AM, Marshall Hampton<hamptonio@gmail.com> wrote:
>
> I got from Minh's comment:
>
> "Once #6502 gets positive review, this SPKG could then be merged in
> the Sage standard packages repository."

That was a typo on my part. It should be "optional" instead of
"standard". My apology for any inconveniences caused.

--
Regards
Minh Van Nguyen

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[sage-devel] Re: Sage 4.1.1.rc0 released

On an intel mac running 10.4.11 I get:

The following tests failed:


sage -t "devel/sage/sage/parallel/decorate.py"
sage -t "devel/sage/sage/symbolic/expression.pyx"
Total time for all tests: 5865.0 seconds

I assume these are known problems.

-Marshall

On Jul 29, 10:14 pm, Minh Nguyen <nguyenmi...@gmail.com> wrote:
> Hi folks,
>
> This is the first release candidate for Sage 4.1.1. Source and binary are at
>
> http://sage.math.washington.edu/home/mvngu/release/sage-4.1.1.rc0.tarhttp://sage.math.washington.edu/home/mvngu/release/sage-4.1.1.rc0-sag...
>
> and the upgrade path is
>
> http://sage.math.washington.edu/home/mvngu/release/sage-4.1.1.rc0/
>
> I reverted the patches at #4460 and #5653 which was causing repository
> corruption in the previous alpha 1 release. So #4460 and #5653 are now
> merged in Sage 4.1.1.rc0, not 4.1.1.alpha1. So far, I have had at
> least two repository corruption issues due to the file
> SAGE_ROOT/devel/sage-main/MANIFEST.in not being updated accordingly by
> patches that introduce new files into the Sage library. Robert Miller
> has written a note about preventing such issues on the wiki page about
> release management:
>
> http://wiki.sagemath.org/release
>
> This wiki page has been organically growing as people record tips,
> issues and checklist items relevant to Sage release management. Feel
> free to flesh out that page.
>
> Sage 4.1.1.rc0 is a bug fix only release. One of the major bug fixes
> is to get NumPy and Sage to talk to each other better via tickets
> #5081 and #6506. People have been reporting issues like this in the
> sage-devel and sage-support mailing lists. Now is the time to try this
> out and stress test how well Sage and NumPy communicate with each
> other.
>
> The 4.1.1 release cycle is now strictly in feature-freeze, bug-fix
> only mode. The following tickets were merged in Sage 4.1.1.rc0:
>
> #4460: Mitesh Patel: add link to PDF manuals in doc/html/index.html
> [Reviewed by John Palmieri, Minh Van Nguyen]
> #5081: Robert Bradshaw: Make numpy play nice with Sage types [Reviewed
> by Jason Grout]
> #5653: Tom Boothby, Evan Fosmark, John Palmieri, Mitesh Patel: display
> docstrings in the notebook using html and jsMath [Reviewed by William
> Stein, Minh Van Nguyen, John Palmieri]
> #6251: Dan Drake: LogoutResource in sage/server/simple/twist.py
> doesn't really log you out [Reviewed by William Stein, John Palmieri]
> #6302: William Stein: make openopt an optional spkg [Reviewed by David
> Joyner, Harald Schilly]
> #6506: Robert Bradshaw, Jason Grout: further numpy type conversions
> [Reviewed by Jason Grout, Robert Bradshaw, Minh Van Nguyen]
> #6542: Marshall Hampton: tachyon ouput seems broken in sage-4.1
> [Reviewed by Tim Dumol]
> #6554: Jason Grout: plotting sparse matrices converts the matrix to a
> dense matrix [Reviewed by David Joyner]
> #6639: Peter McNamara: Documentation for Lyndon words [Reviewed by
> Jason Bandlow]
> #6644: John Palmieri: fix doctest error for lazy_attribute and
> abstract_method [Reviewed by Minh Van Nguyen]
>
> --
> Regards
> Minh Van Nguyen
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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

I got from Minh's comment:

"Once #6502 gets positive review, this SPKG could then be merged in
the Sage standard packages repository."

-Marshall

On Jul 31, 6:20 pm, David Joyner <wdjoy...@gmail.com> wrote:
> On Fri, Jul 31, 2009 at 7:10 PM, Marshall Hampton<hampto...@gmail.com> wrote:
>
> > Thanks for pointing that out. I am somewhat disturbed by the positive
> > review for that becoming a standard package, which seems inconsistent
>
> I don't know where you got that. I was the reviewer and I clearly said
>
> "Positive review from me as far as I can tell, as an optional package."
>
> > with previous policy. In #6663 I am merely suggesting 4ti2 and glpk
> > as experimental packages, with the idea of transitioning them to
> > optional, and then maybe standard eventually.
>
> > Just to be clear, I have felt that in the past the hurdle for becoming
> > a standard package is too high. I just want the process to be
> > consistent.
>
> > -Marshall
>
> > On Jul 31, 4:51 pm, Willem Jan Palenstijn <w...@usecode.org> wrote:
> >> On Fri, Jul 31, 2009 at 01:18:58PM -0700, Marshall Hampton wrote:
>
> >> > I agree, that doesn't sound good. At the moment, I just want to check
> >> > out the sandpile functionality, so I don't think I will wade in and
> >> > try to improve glpk, or bug the author to do so.
>
> >> > On the positive side, I think I now have packages that install
> >> > correctly, at least on my own mac. They are at:
>
> >> >http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
> >> >http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>
> >> > i.e. I have overwritten my previous broken versions.
> >> > This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
> >> > ticket/6663).
>
> >> There is also a more recent GLPK spkg athttp://trac.sagemath.org/sage_trac/ticket/6602, I believe.
>
> >> -Willem Jan
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[sage-devel] Re: Sage 4.1.1.rc0 released

Hi Georg,

On Thu, Jul 30, 2009 at 9:35 PM, gsw<georgsweber@googlemail.com> wrote:

<SNIP>

> sage -t -long devel/sage/sage/modules/vector_real_double_dense.pyx
> **********************************************************************
> File "/home/mvngu/usr/bin/sage/devel/sage-main/sage/modules/
> vector_real_double_dense.pyx",
> line 72:
> sage: v.stats_skew()
> Expected:
> 0.0
> Got:
> doctest:106: SyntaxWarning: assertion is always true, perhaps
> remove parentheses?
> 0.0
> **********************************************************************
> 1 items had failures:
> 1 of 4 in __main__.example_2
> ***Test Failed*** 1 failures.
>
> might be relatively easy to hunt down and fix. Unfortunately, I don't
> see this failure, since I use Mac OS X 10.4 only. (Does it occur on
> sage.math?)

That doctest sometimes fails when I doctest everything under
SAGE_ROOT/devel/sage-main using sage.math. The following commands on
lines 71 and 72 of
devel/sage/sage/modules/vector_real_double_dense.pyx are what cause
this intermittent failure:

sage: v = vector(RDF, range(9))
sage: v.stats_skew()
0.0

If you enter these two commands at the Sage prompt, you get just "0.0"
and no report of syntax warning.

--
Regards
Minh Van Nguyen

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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

On Fri, Jul 31, 2009 at 7:10 PM, Marshall Hampton<hamptonio@gmail.com> wrote:
>
> Thanks for pointing that out.  I am somewhat disturbed by the positive
> review for that becoming a standard package, which seems inconsistent


I don't know where you got that. I was the reviewer and I clearly said

"Positive review from me as far as I can tell, as an optional package."

> with previous policy.  In #6663 I am merely suggesting 4ti2 and glpk
> as experimental packages, with the idea of transitioning them to
> optional, and then maybe standard eventually.
>
> Just to be clear, I have felt that in the past the hurdle for becoming
> a standard package is too high.  I just want the process to be
> consistent.
>
> -Marshall
>
> On Jul 31, 4:51 pm, Willem Jan Palenstijn <w...@usecode.org> wrote:
>> On Fri, Jul 31, 2009 at 01:18:58PM -0700, Marshall Hampton wrote:
>>
>> > I agree, that doesn't sound good.  At the moment, I just want to check
>> > out the sandpile functionality, so I don't think I will wade in and
>> > try to improve glpk, or bug the author to do so.
>>
>> > On the positive side, I think I now have packages that install
>> > correctly, at least on my own mac.  They are at:
>>
>> >http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
>> >http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>>
>> > i.e. I have overwritten my previous broken versions.
>> > This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
>> > ticket/6663).
>>
>> There is also a more recent GLPK spkg athttp://trac.sagemath.org/sage_trac/ticket/6602, I believe.
>>
>> -Willem Jan
> >
>

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Requirement - BaaN Administrator - Milwaukee, WI - 6 Months

Hi,

 

Greetings from AMZUR Technologies!

 

We have an immediate requirement for BaaN Administrator at WI.

 

Title: BaaN Administrator

 

Location: Milwaukee, WI

 

Duration: 6 Months

 

Skill & Job Description:

 

  • Responsible for administration, maintenance and implementation of Baan ERP and Cognos BI systems and policies, procedures for ensuring security and integrity of these systems.
  • Evaluate, recommend, and install patch management for Baan and its integration systems (Cognos BI, Safari Reporting and Openworld).

Job Functions:

Ø      Develop, implement and maintain programs, scripts and routines needed to automate Baan administration as well as application sync to disaster recovery system.

Ø      Define and implement ERP standards, policies and procedures for BaaN systems making sure they are in compliance with Bucyrus Security policies.

Ø      Monitor BaaN and its integration systems activities to assure continuous operation at acceptable levels, including interpreting error reports.

Ø      Monitor the BaaN application sync between primary and DR servers and perform role switching of BaaN application if necessary.

Ø      Reviewing, analyzing and implementing approved System Change Requests to the Baan system

Ø      Baan patche management using PMC and export/import.

Ø      Manage and administer multi VRC environment that include MCR and localizations.

Ø      Analyze and detect application performance bottlenecks using script profiling and debug.

Ø      Import and export information into BaaN system through exchange schemes/ GTM

Ø      Ensuring best practices and standards are employed and keep BaaN system related SOX procedures current.

Ø      Apply and coordinate testing of BaaN service packs and porting sets.

Ø      Monitor and administer Baan4 systems running on Oracle and UNIX platform.

Ø      Perform full scope of administrative and monitoring task of BaaN integrations with Cognos BI system.

Ø      Support BaaN integrations to Safari reporting, Faxing, Cognos and Openworld.

Ø      Basic Oracle database administration tasks required for Baan administration.

Ø      Interface with internal and external auditors during BaaN audits and address findings post audit.

Knowledge Requirements: 

  • Strong Knowledge of BAAN ERP tools and administration.
  • Good experience developing UNIX scripts to automate Baan administration tasks.
  • Good understanding of Oracle and SQL Server databases and the database interaction with Baan ERP systems.

Experience Needed: 

  • At least 7 years of IT experience of which
  • Minimum 5 years administrating Baan4 systems on UNIX environment.
  • Minimum 2 years administrating Baan4 systems on Oracle databases.
  • Cognos BI experience with Baan4c4 is desired.
  • Previous experience working with internal and external auditors for ERP audits will be a plus.
  • BaaN Tools Certifications is great plus.

 

Kindly forward qualified profiles to rajasimha@amzur.com

Best Regards,

 

Rajasimha | Amzur Technologies

Off: (813) 600 4060 x 124 | Fax: (813) 774 7819

rajasimha@amzur.com | www.amzur.com


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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

Thanks for pointing that out. I am somewhat disturbed by the positive
review for that becoming a standard package, which seems inconsistent
with previous policy. In #6663 I am merely suggesting 4ti2 and glpk
as experimental packages, with the idea of transitioning them to
optional, and then maybe standard eventually.

Just to be clear, I have felt that in the past the hurdle for becoming
a standard package is too high. I just want the process to be
consistent.

-Marshall

On Jul 31, 4:51 pm, Willem Jan Palenstijn <w...@usecode.org> wrote:
> On Fri, Jul 31, 2009 at 01:18:58PM -0700, Marshall Hampton wrote:
>
> > I agree, that doesn't sound good. At the moment, I just want to check
> > out the sandpile functionality, so I don't think I will wade in and
> > try to improve glpk, or bug the author to do so.
>
> > On the positive side, I think I now have packages that install
> > correctly, at least on my own mac. They are at:
>
> >http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
> >http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>
> > i.e. I have overwritten my previous broken versions.
> > This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
> > ticket/6663).
>
> There is also a more recent GLPK spkg athttp://trac.sagemath.org/sage_trac/ticket/6602, I believe.
>
> -Willem Jan
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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

Marshall Hampton wrote:
> I'm not disagreeing, I just don't know how to quickly change that. If
> someone can give me some tips I will at least patch the spkgs.
>
> -Marshall

There may be no quick fix, though the code did not look very large, so I
doubt it would be a huge job to do it properly.

The stages I would take would be:

1) Remove the copies to /dev/null.

2) Add -Wall to see all warning reported.

3) Build with the warnings displayed.

4) Contact the original author saying you would like to get his/her
package into Sage, but some are objecting since the warnings were
hidden. Point out what warnings you get.

5) Sort out why the compiler is complaining. That will take some time I
expect. Though you have the advantage the package is not very large.

Newsgroups are a good place to get help on how best to re-write code in
a portable way that avoids warnings. You could ask on gcc-help, saying
"this bit of code generates a warning, but I'm not sure why"

Dave

> On Jul 31, 4:21 pm, William Stein <wst...@gmail.com> wrote:
>> On Fri, Jul 31, 2009 at 2:04 PM, Dr. David Kirkby
>> <david.kir...@onetel.net>wrote:
>>
>>
>>
>>
>>
>>> Marshall Hampton wrote:
>>>> I agree, that doesn't sound good. At the moment, I just want to check
>>>> out the sandpile functionality, so I don't think I will wade in and
>>>> try to improve glpk, or bug the author to do so.
>>>> On the positive side, I think I now have packages that install
>>>> correctly, at least on my own mac. They are at:
>>>> http://www.d.umn.edu/~mhampton/4ti2.p0.spkg<http://www.d.umn.edu/%7Emhampton/4ti2.p0.spkg>
>>>> http://www.d.umn.edu/~mhampton/glpk.p0.spkg<http://www.d.umn.edu/%7Emhampton/glpk.p0.spkg>
>>>> i.e. I have overwritten my previous broken versions.
>>>> This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
>>>> ticket/6663).
>>>> -Marshall
>>> I'm not a mathematician, don't have a clue what this does, so I am
>>> probably looking at this from a very different point of view to most.
>>> But I don't think it's a good idea to include code that hides warnings.
>>> Again, it's a personal thing but when I look at web sites, like Wolfram
>>> Research's, which has 42 errors:
>>> http://validator.w3.org/check?uri=www.wolfram.com&charset=%28detect+a...
>>> it always makes me wonder how seriously quality is taken.
>>> In contrast the Sage site has zero errors:
>>> http://validator.w3.org/check?uri=http%3A%2F%2Fwww.sagemath.org%2F&ch...
>>> Mathematicians I've worked worth have always paid a lot of attention to
>>> detail - far more than I think engineers tend to. If someone covers up
>>> their compiler errors, it makes me wonder whether sufficient attention
>>> to detail is applied elsewhere.
>>> If someone like WRI, Maplesoft etc wanted to try to point out the
>>> disadvantages of Sage, showing how we hide warnings would be like giving
>>> them ammunition to blow us up with.
>>> I'm sure a lot of people will disagree with me, but personally I would
>>> avoid adding things to sage that rely on code that is built like that.
>> I agree with you. It is difficult to disagree with such a natural technical
>> way to improve quality.
>>
>> -- William
> >
>


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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

On Fri, Jul 31, 2009 at 01:18:58PM -0700, Marshall Hampton wrote:
>
> I agree, that doesn't sound good. At the moment, I just want to check
> out the sandpile functionality, so I don't think I will wade in and
> try to improve glpk, or bug the author to do so.
>
> On the positive side, I think I now have packages that install
> correctly, at least on my own mac. They are at:
>
>
> http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
> http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>
> i.e. I have overwritten my previous broken versions.
> This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
> ticket/6663).

There is also a more recent GLPK spkg at http://trac.sagemath.org/sage_trac/ticket/6602 , I believe.

-Willem Jan

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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

I'm not disagreeing, I just don't know how to quickly change that. If
someone can give me some tips I will at least patch the spkgs.

-Marshall

On Jul 31, 4:21 pm, William Stein <wst...@gmail.com> wrote:
> On Fri, Jul 31, 2009 at 2:04 PM, Dr. David Kirkby
> <david.kir...@onetel.net>wrote:
>
>
>
>
>
> > Marshall Hampton wrote:
> > > I agree, that doesn't sound good. At the moment, I just want to check
> > > out the sandpile functionality, so I don't think I will wade in and
> > > try to improve glpk, or bug the author to do so.
>
> > > On the positive side, I think I now have packages that install
> > > correctly, at least on my own mac. They are at:
>
> > >http://www.d.umn.edu/~mhampton/4ti2.p0.spkg<http://www.d.umn.edu/%7Emhampton/4ti2.p0.spkg>
> > >http://www.d.umn.edu/~mhampton/glpk.p0.spkg<http://www.d.umn.edu/%7Emhampton/glpk.p0.spkg>
>
> > > i.e. I have overwritten my previous broken versions.
> > > This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
> > > ticket/6663).
>
> > > -Marshall
>
> > I'm not a mathematician, don't have a clue what this does, so I am
> > probably looking at this from a very different point of view to most.
> > But I don't think it's a good idea to include code that hides warnings.
>
> > Again, it's a personal thing but when I look at web sites, like Wolfram
> > Research's, which has 42 errors:
>
> >http://validator.w3.org/check?uri=www.wolfram.com&charset=%28detect+a...
>
> > it always makes me wonder how seriously quality is taken.
>
> > In contrast the Sage site has zero errors:
>
> >http://validator.w3.org/check?uri=http%3A%2F%2Fwww.sagemath.org%2F&ch...
>
> > Mathematicians I've worked worth have always paid a lot of attention to
> > detail - far more than I think engineers tend to. If someone covers up
> > their compiler errors, it makes me wonder whether sufficient attention
> > to detail is applied elsewhere.
>
> > If someone like WRI, Maplesoft etc wanted to try to point out the
> > disadvantages of Sage, showing how we hide warnings would be like giving
> > them ammunition to blow us up with.
>
> > I'm sure a lot of people will disagree with me, but personally I would
> > avoid adding things to sage that rely on code that is built like that.
>
> I agree with you. It is difficult to disagree with such a natural technical
> way to improve quality.
>
> -- William
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[sage-devel] Re: Error in Graph.chromatic_number() and Graph.coloring()

>> There is such a search right here:
>>
>>    http://groups..google.com/group/sage-devel
>> <http://groups.google.com/group/sage-devel>
>
>
> Yes.  I meant "I love that Sage has a google search.  I wish the nauty
> list had a google search, but I can't seem to find any search for their
> archives at all!"
>

Can't you just do a google search and add
site:http://dcsmail.anu.edu.au/pipermail/nauty-list/? I just tried
this for graph6, and it seemed to turn up a bunch of stuff:

http://www.google.com/search?q=graph6+site%3Ahttp%3A%2F%2Fdcsmail.anu.edu.au%2Fpipermail%2Fnauty-list%2F

Mind you, I didn't actually *look* at the results ... but it seems to
be successfully searching that list. ;)

-cc

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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages



On Fri, Jul 31, 2009 at 2:04 PM, Dr. David Kirkby <david.kirkby@onetel.net> wrote:

Marshall Hampton wrote:
> I agree, that doesn't sound good.  At the moment, I just want to check
> out the sandpile functionality, so I don't think I will wade in and
> try to improve glpk, or bug the author to do so.
>
> On the positive side, I think I now have packages that install
> correctly, at least on my own mac.  They are at:
>
>
> http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
> http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>
> i.e. I have overwritten my previous broken versions.
> This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
> ticket/6663).
>
> -Marshall

I'm not a mathematician, don't have a clue what this does, so I am
probably looking at this from a very different point of view to most.
But I don't think it's a good idea to include code that hides warnings.

Again, it's a personal thing but when I look at web sites, like Wolfram
Research's, which has 42 errors:

http://validator.w3.org/check?uri=www.wolfram.com&charset=%28detect+automatically%29&doctype=Inline&group=0

it always makes me wonder how seriously quality is taken.

In contrast the Sage site has zero errors:

http://validator.w3.org/check?uri=http%3A%2F%2Fwww.sagemath.org%2F&charset=%28detect+automatically%29&doctype=Inline&group=0&user-agent=W3C_Validator%2F1.654

Mathematicians I've worked worth have always paid a lot of attention to
detail - far more than I think engineers tend to. If someone covers up
their compiler errors, it makes me wonder whether sufficient attention
to detail is applied elsewhere.

If someone like WRI, Maplesoft etc wanted to try to point out the
disadvantages of Sage, showing how we hide warnings would be like giving
them ammunition to blow us up with.

I'm sure a lot of people will disagree with me, but personally I would
avoid adding things to sage that rely on code that is built like that.

I agree with you.  It is difficult to disagree with such a natural technical way to improve quality.

 -- William


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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

Marshall Hampton wrote:
> I agree, that doesn't sound good. At the moment, I just want to check
> out the sandpile functionality, so I don't think I will wade in and
> try to improve glpk, or bug the author to do so.
>
> On the positive side, I think I now have packages that install
> correctly, at least on my own mac. They are at:
>
>
> http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
> http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>
> i.e. I have overwritten my previous broken versions.
> This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
> ticket/6663).
>
> -Marshall

I'm not a mathematician, don't have a clue what this does, so I am
probably looking at this from a very different point of view to most.
But I don't think it's a good idea to include code that hides warnings.

Again, it's a personal thing but when I look at web sites, like Wolfram
Research's, which has 42 errors:

http://validator.w3.org/check?uri=www.wolfram.com&charset=%28detect+automatically%29&doctype=Inline&group=0

it always makes me wonder how seriously quality is taken.

In contrast the Sage site has zero errors:

http://validator.w3.org/check?uri=http%3A%2F%2Fwww.sagemath.org%2F&charset=%28detect+automatically%29&doctype=Inline&group=0&user-agent=W3C_Validator%2F1.654

Mathematicians I've worked worth have always paid a lot of attention to
detail - far more than I think engineers tend to. If someone covers up
their compiler errors, it makes me wonder whether sufficient attention
to detail is applied elsewhere.

If someone like WRI, Maplesoft etc wanted to try to point out the
disadvantages of Sage, showing how we hide warnings would be like giving
them ammunition to blow us up with.

I'm sure a lot of people will disagree with me, but personally I would
avoid adding things to sage that rely on code that is built like that.


Dave

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[sage-devel] Re: Sage sandpiles package, 4ti2, glpk packages

I agree, that doesn't sound good. At the moment, I just want to check
out the sandpile functionality, so I don't think I will wade in and
try to improve glpk, or bug the author to do so.

On the positive side, I think I now have packages that install
correctly, at least on my own mac. They are at:


http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
http://www.d.umn.edu/~mhampton/glpk.p0.spkg

i.e. I have overwritten my previous broken versions.
This is also now trac ticket #6663 (http://trac.sagemath.org/sage_trac/
ticket/6663
).

-Marshall

On Jul 31, 12:19 pm, "Dr. David Kirkby" <david.kir...@onetel.net>
wrote:
> Dr. David Kirkby wrote:
> > Marshall Hampton wrote:
> >> I am trying to make an spkg for 4ti2, but I am having trouble getting
> >> it to recognize GMP. I'm sure many people on this list are more
> >> qualified than I am to figure that out.
>
> >> t4i2 requires the linear programming package glpk, which I think I did
> >> succeed in making an spkg for - at least it works on my mac, and its
> >> pretty minimal so I would think it works on linux.
>
> >> My current attempts are at:
>
> >>http://www.d.umn.edu/~mhampton/4ti2.p0.spkg
> >>http://www.d.umn.edu/~mhampton/glpk.p0.spkg
>
> >> in case anyone wants to take a look and fix or improve them.
>
> >> -Marshall
>
> > I decided to download glpk and try it on Solaris.
>
> > I was going to congratulate you on there being no warnings messages from
> > the compiler, then thought I'd suggest the -Wall flag was added if the
> > compiler was the GNU one.
>
> Sorry, I realised it was probably not you that wrote the glpk package,
> and so it is not you throwing warnings to /dev/null.
>
> But IMHO it would be worth removing the junk that throws warnings away,
> then see what warnings there are on each OS and fix them. There seems to
> be a few packages in Sage that hide warning messages - I'm not so sure
> its a good idea to add more that do this.
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