Re: [sage-devel] Re: Tarball uploads

2015-08-10 Thread Michael Orlitzky
On 08/10/2015 08:38 AM, Volker Braun wrote: On Monday, August 10, 2015 at 11:42:16 AM UTC+2, vdelecroix wrote: I agree with you: from a technical point of view this is stupid. It is not. There is no security without the chain of trust. Maybe in a parallel universe where everybody is

Re: [sage-devel] Re: Tarball uploads

2015-08-10 Thread Michael Orlitzky
On 08/10/2015 11:34 AM, Vincent Delecroix wrote: Let me propose something less stupid: the first time you access to a website you have to accept the certificate manually (if you wish you can have a look at the fingerprint). Then, until it changes nothing happens (the very same way ssh

Re: [sage-devel] Re: Tarball uploads

2015-08-09 Thread Michael Orlitzky
On 08/09/2015 07:09 AM, Volker Braun wrote: Yes, though we don't have a certificate for *.sagemath.org. Besides the cost, you also need to periodically renew etc. Though I'm hoping that Let's Encrypt (https://letsencrypt.org) will fix that. Launching this September... Just use a self-signed

[sage-devel] Trac notifications (was Re: Mutability of matrices with no entries)

2015-08-01 Thread Michael Orlitzky
On 07/31/2015 07:51 PM, Andrey Novoseltsev wrote: Hello, While working on http://trac.sagemath.org/ticket/18613 I ran into the following problem: Argh, the trac notifications still aren't fixed. Can someone please add a reverse DNS entry for 128.208.160.253 (the server that's sending the

Re: [sage-devel] Re: [sage-edu] Re: Sage-enabled textbook for Abstract Algebra

2015-08-01 Thread Michael Orlitzky
On 07/31/2015 07:06 PM, Dima Pasechnik wrote: You don't need a closing tag that can be inserted by software, as certainly is the case for \section or \item.. (unless you spent a large part of your life writing HTML or XML by hand, of course :-)) The parser can insert them for you, but

Re: [sage-devel] Re: no trac mail notifications?

2015-07-20 Thread Michael Orlitzky
On 07/20/2015 01:08 PM, Benjamin Hackl wrote: ... might be just here at AAU. I found my notifications in the spam folder. The new host is missing reverse DNS. Jul 20 14:07:35 mx1 postfix/smtpd[23912]: NOQUEUE: reject: RCPT from unknown[128.208.160.253]: 550 5.7.1 Client host rejected:

Re: [sage-devel] Re: Which servers do I contact when doing sage development?

2015-06-19 Thread Michael Orlitzky
On 06/19/2015 11:31 AM, Christian Stump wrote: The mirror list is downloaded from http://www.sagemath.org/mirror_list Is it true that among the needed resources, only www.sagemath.org is or will be any time soon located anywhere where I cannot assume a relatively constant IP ? If the

[sage-devel] Links for method cross-references

2015-06-14 Thread Michael Orlitzky
I just noticed in http://trac.sagemath.org/ticket/18701 that the methods within the SEEALSO block for codim() aren't being linked in the HTML docs. I don't see anything different between that block and the one for e.g. is_proper() in the same class. Did I overlook something in the docstring

Re: [sage-devel] Re: Links for method cross-references

2015-06-14 Thread Michael Orlitzky
On 06/14/2015 03:42 PM, John H Palmieri wrote: To link to a method in another class, you should do either ... Well that explains it. I've been working in that file for a month and never realized there was more than one class defined. Since my new method uses only superclass methods, I guess

Re: (off topic) Re: [sage-devel] The future of polybori

2015-06-11 Thread Michael Orlitzky
On 06/11/2015 02:55 PM, Francesco Biscani wrote: Not sure what you mean by that. I have worked in the past for a multinational company (100k employees) on software which costs hundreds of thousands of dollars per license, and never heard of that. I am not an assembly guy but I would think

Re: [sage-devel] Re: About Math Processing Error

2015-06-10 Thread Michael Orlitzky
For whatever it's worth, I have the same issue. The mathjax stuff looks like it's working, but then when processing hits 100%, all of the latex is replaced with [Math Processing Error]. I have the following in my JS console: Error: TypeError: c.FONTDATA.FONTS.MathJax_Main[8212][5] is undefined

Re: [sage-devel] Re: Broken links to doc already appearing

2015-05-14 Thread Michael Orlitzky
On 05/14/2015 12:05 PM, leif wrote: Well, symlinking the folders in html/en/ on the top level should be sufficient. A RedirectMatch permanent would be better -- with symlinks, Google will keep the old URLs around forever (and penalize you for duplicate content). -- You received this

Re: [sage-devel] Re: max(sin(x),cos(x)) = sin(x)

2015-05-09 Thread Michael Orlitzky
On 05/09/2015 09:44 AM, Vincent Delecroix wrote: The thing, is that with sage: f(x) = max(sin(x), cos(x)) one would expect the function x - max(sin(x), cos(x)) But because how 'max' is implemented in Python this is not possible. One solution is to 1. create a dedicated symbolic_max

Re: [sage-devel] Non-Sage C code in the Sage library

2015-04-23 Thread Michael Orlitzky
On 04/23/2015 04:56 PM, Jeroen Demeyer wrote: Can't we work with upstream (the authors) to package these? For starters, none of these seem very active projects. In particular, hyperellfrob and bernmm have their last release in 2008 and 2009. Second, what if the authors don't care? There

Re: [sage-devel] Non-Sage C code in the Sage library

2015-04-22 Thread Michael Orlitzky
. For more options, visit https://groups.google.com/d/optout. From 6b8d9f4c2cecb201ef617da0d667a9543e463b06 Mon Sep 17 00:00:00 2001 From: Michael Orlitzky mich...@orlitzky.com Date: Wed, 22 Apr 2015 13:19:52 -0400 Subject: [PATCH 1/7] Update simplerw.c to support igraph = 0.6. Newer versions

Re: [sage-devel] Re: Wrong results or Bad input ?

2015-03-06 Thread Michael Orlitzky
On 03/06/2015 04:51 PM, Travis Scrimshaw wrote: Yet this stopgap is not in a class in the global namespace, but a low-level class that almost always gets passed valid input. I am for having checks for valid input (and most of the time it does error out), but there is only one place I

Re: [sage-devel] Re: Wrong results or Bad input ?

2015-03-06 Thread Michael Orlitzky
On 03/06/2015 08:10 PM, P Purkayastha wrote: This is a serious bug. Is there a ticket for this? It sort of falls under this one: http://trac.sagemath.org/ticket/7392 even though a fix for that ticket might not affect some similar examples. -- You received this message because you are

Re: [sage-devel] Sage code for educational purposes only?

2015-02-25 Thread Michael Orlitzky
On 02/25/2015 02:10 PM, William Stein wrote: toys.eratosthenes() or possibly eratosthenes_toy()... In this case, the name refers to the implementation, not the functionality, so I don't think it's a big deal. It's not a prime number routine that just happens to be slow -- it's the

Re: [sage-devel] Sage code for educational purposes only?

2015-02-25 Thread Michael Orlitzky
On 02/25/2015 12:55 PM, Jeroen Demeyer wrote: Hello, Should there be code in Sage which is extremely slow and for educational purposes only? I am talking about eratosthenes() which is just a very slow alternative to prime_range(). I would just remove that code, but maybe people have

Re: [sage-devel] Sage code for educational purposes only?

2015-02-25 Thread Michael Orlitzky
On 02/25/2015 03:04 PM, William Stein wrote: Any other implementation will be just as slow. I'm not sure I agree. This eratosthenes function is pure Python code. It would probably be 100 times faster if rewritten in Cython using int's or long's. In fact, this is (more or less) the

Re: [sage-devel] Re: [debian] Strange numerical errors in sage's libpari code

2015-02-20 Thread Michael Orlitzky
On 02/20/2015 11:02 AM, kcrisman wrote: I no longer use sage for my day-to-day work, but when I was and I had to e.g. give a presentation, it was infuriating to find sage broken AGAIN ??? I assume this is because you updated some dependency and Sage didn't work quite properly

Re: [sage-devel] Re: [debian] Strange numerical errors in sage's libpari code

2015-02-19 Thread Michael Orlitzky
On 02/19/2015 03:49 PM, Julien Puydt wrote: Le 19/02/2015 18:54, Michael Orlitzky a écrit : This presupposes that the status quo is not madness. My sage builds work for about two weeks before some invisible dependency update breaks them. There's a line in sage beyond which we just don't care

Re: [sage-devel] Re: [debian] Strange numerical errors in sage's libpari code

2015-02-19 Thread Michael Orlitzky
On 02/19/2015 09:21 AM, Jeroen Demeyer wrote: I don't think software was ever delayed for debian. If people are against #16997 because it's not compatible with Debian, then Debian is *already* slowing down Sage. It's not incompatibility with Debian that's the problem. Having dependencies

Re: [sage-devel] Re: [debian] Strange numerical errors in sage's libpari code

2015-02-19 Thread Michael Orlitzky
On 02/19/2015 11:24 AM, Jeroen Demeyer wrote: On 2015-02-19 16:55, Michael Orlitzky wrote: It's not incompatibility with Debian that's the problem. Having dependencies like whatever was in the git repo at 11:00 on 2015-02-19 UTC-5 leads to madness. Why madness? If you try to have sage

[sage-devel] German help needed at trac #17556

2015-01-21 Thread Michael Orlitzky
Hello, I've got a ticket at, http://trac.sagemath.org/ticket/17556 that affects one test in, doc/de/thematische_anleitungen/sage_gymnasium.rst I don't speak German, and the fix is going to require a sentence or two of new/removed text. I offered one good fix and one lazy fix on the ticket,

Re: [sage-devel] reducing upstream tarballs in a reproducible way

2015-01-12 Thread Michael Orlitzky
On 01/12/2015 05:59 AM, Thierry wrote: In order to try such possibility on the next matplotlib update, could some people (especially someone using OSX) give me (with minimal info on their OS, arch, and tar --version) the result of: wget

Re: [sage-devel] Plenty of review material out there...

2014-12-22 Thread Michael Orlitzky
On 12/19/2014 10:14 AM, Jean-Pierre Flori wrote: On Friday, December 19, 2014 4:03:44 PM UTC+1, Bruno Grenet wrote: I've changed recently the status of a ticket to needs review since I think it is not relevant anymore, and I wanted it to be closed. I now guess it is not the right

[sage-devel] conway_polynomials-0.4.p0 failed build

2014-12-08 Thread Michael Somos
I am using a VirtualBox Sage-6.2 and wanted to upgrade sage. It failed trying to build conway_polynomials. [sage@sagevm ~]$ python -m bitset /usr/bin/python: No module named bitset [sage@sagevm ~]$ python -V Python 2.6.6 Thread model: posix gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC)

Re: [sage-devel] VOTE: code of conduct - ends Monday at midnight, PST.

2014-11-22 Thread Michael Orlitzky
[X] No -- do not adopt the code of conduct stated below Grammar mismatch, line 1: The Sage community is comprised of ^ One of comprises, is composed of, or consists of would be better. (This was not the only factor affecting my vote.) -- You received this message

Re: [sage-devel] Re: Opinions wanted on simplification method for real expressions

2014-11-05 Thread Michael Orlitzky
On 11/05/2014 08:34 AM, kcrisman wrote: Just to clarify, current behavior is sage: a = sqrt(x^2) sage: a.simplify_radical() x Yeah, previously, simplify_radical() was silently setting the domain to 'real', calling radcan(), and then setting the domain back to 'complex'. The round trip

Re: [sage-devel] Should we ship vanilla upstream tarballs or stripped-down ones?

2014-11-04 Thread Michael Orlitzky
On 10/31/2014 05:54 AM, Jean-Pierre Flori wrote: Dear all, Should we go on stripping down upstream tarballs from stuff we don't use when there is some substantial gain? See http://trac.sagemath.org/ticket/17169 (GCC) and http://trac.sagemath.org/ticket/15015 (MPIR). We can debate forever

[sage-devel] Opinions wanted on simplification method for real expressions

2014-11-04 Thread Michael Orlitzky
In http://trac.sagemath.org/ticket/14630, I have a patch that adds a simplify_real() method to symbolic expressions. Pretty much the only thing it does is simplify, sqrt(x^2) - abs(x) In the past, you could obtain this with simplify_radical(), even though the variable `x` involved was assumed

[sage-devel] Reopening a closed ticket

2014-10-28 Thread Michael Orlitzky
Is it possible to reopen a closed ticket? #8005 was closed without a doctest, so I've added one. But now it won't let me change the status to needs_review again. -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and

Re: [sage-devel] Reopening a closed ticket

2014-10-28 Thread Michael Orlitzky
On 10/28/2014 09:33 AM, Jeroen Demeyer wrote: On 2014-10-28 14:30, Michael Orlitzky wrote: Is it possible to reopen a closed ticket? #8005 was closed without a doctest, so I've added one. But now it won't let me change the status to needs_review again. Open a new ticket instead. Ok

Re: [sage-devel] Should sage -t first load DOT_SAGE/init.sage when run on a local file?

2014-10-24 Thread Michael Orlitzky
On 10/23/2014 10:49 PM, Sébastien Labbé wrote: but it seems that init.sage is not loaded afterwards before tests. Do we agree that init.sage should be loaded by sage -t when run on local files ? It used to be loaded even with `sage -t`, but I think the current default is probably safer

Re: [sage-devel] Trouble building sage on Mavericks

2014-06-09 Thread Michael Welsh
On 10/06/2014, at 1738, john_perry_usm john.pe...@usm.edu wrote: Right now I'm reinstalling Xcode from scratch, in the hope that this will fix it (as opposed to using the Xcode upgrade made when upgrading from 10.6 to Mavericks). If that works, I'll report it. That might work. You need to

Re: [sage-devel] Trouble building sage on Mavericks

2014-06-09 Thread Michael Welsh
On 10/06/2014, at 1738, john_perry_usm john.pe...@usm.edu wrote: Mavericks is up-to-date; extra packages installed. I'm not finding an option for command-line tools in Preferences-Downloads as per the README, Here's your problem - you're reading the readme in the wrong place (this is the ML

Re: [sage-devel] TOPCOM on OSX 10.9.2

2014-05-09 Thread Michael Welsh
On 9/05/2014, at 2005, Oskar Till oskar.e.t...@gmail.com wrote: Maybe I should try and build from source then. How do I uninstall the version I have now, is it enough to just drag the Applications/sage folder into the trash? Yes. -- You received this message because you are subscribed to

Re: [sage-devel] How to update trac branch after rebasing?

2014-05-09 Thread Michael Orlitzky
On 05/09/2014 07:10 PM, Andrey Novoseltsev wrote: Hello, I've rebased a branch on top of 6.2, which went fine (branch just adds a file), but then I couldn't push it via git push ... or git trac push with git insisting that I have to pull. While that worked, it automatically created an empty

Re: [sage-devel] Re: Problem compiling sage 6.2.rc0-develop with macosx/mavericks

2014-04-28 Thread Michael Welsh
On 28/04/2014, at 1809, Andrew andrew.mat...@gmail.com wrote: sh: line 1: 45940 Trace/BPT trap: 5 /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk / -find strip 2 /dev/null xcrun: error: unable to find utility strip, not a developer tool or in PATH install: child

Re: [sage-devel] Re: Spurious(?) ValueErrors when plotting on a loglog scale

2014-04-27 Thread Michael Orlitzky
On 04/26/2014 08:57 PM, kcrisman wrote: On Saturday, April 26, 2014 6:17:00 PM UTC-4, Michael Orlitzky wrote: If we try to plot some values in sage on a loglog scale where there will be fewer than 2 ticks on the (say) x-axis, it throws a ValueError: ... Does

Re: [sage-devel] Re: Spurious(?) ValueErrors when plotting on a loglog scale

2014-04-27 Thread Michael Orlitzky
On 04/27/2014 04:57 PM, P Purkayastha wrote: This is strange. Two of my earlier messages got deleted. Does anyone know why? Perhaps because I only wrote the URL to the ticket? Getting back to the question, this was fixed two years ago and is awaiting a review. See #13422 Ah, thanks for

Re: [sage-devel] Re: Spurious(?) ValueErrors when plotting on a loglog scale

2014-04-27 Thread Michael Orlitzky
On 04/27/2014 07:16 PM, P Purkayastha wrote: The patch is to do it automatically. It will raise an error *only* if you give ticks manually, and what you give is insufficient (see the examples in the doctests). Another ticket #13528 is positively reviewed but depends on this patch. So,

[sage-devel] Spurious(?) ValueErrors when plotting on a loglog scale

2014-04-26 Thread Michael Orlitzky
If we try to plot some values in sage on a loglog scale where there will be fewer than 2 ticks on the (say) x-axis, it throws a ValueError: ValueError: Either expand the range of the independent variable to allow two different integer powers of your `base`, or change your `base` to a

Re: [sage-devel] Difficulty with Galois group

2014-04-20 Thread Michael Welsh
On 20/04/2014, at 0853, Justin C. Walker jus...@mac.com wrote: it means that you can't. I don't recall when Apple stopped supporting Rosetta (the mechanism used to run PPC code on x86 CPUs). It's available on 10.6, but it's definitely not on 10.9 (Mavericks). 10.7. -- You received this

Re: [sage-devel] Re: Heartbleed -- OpenSSL 1.0.1 security issue

2014-04-09 Thread Michael Orlitzky
On 04/09/2014 03:26 PM, leif wrote: kcrisman wrote: http://www.zdnet.com/heartbleed-serious-openssl-zero-day-vulnerability-revealed-728166/ Apparently this is a real vulnerability in OpenSSL. We should certainly update the optional OpenSSL spkg (last updated on trac to 1.0.1c, Volker

Re: [sage-devel] Mavericks - macosx users only

2014-03-20 Thread Michael Welsh
On 21/03/2014, at 1751, Andrew andrew.mat...@gmail.com wrote: As far as I can see sage is compiling and running on mavericks. From those who have made the switch,would you recommend upgrading to mavericks? Yes. -- You received this message because you are subscribed to the Google Groups

Re: [sage-devel] Re: admin for ask.sagemath

2014-02-20 Thread Michael Orlitzky
On 02/20/2014 12:14 PM, Niles Johnson wrote: There are a number of ideas on the askbot support site http://askbot.org/en/question/7893/suggestions-for-antispam-measures/ but I don't know which of them are available in our version of askbot (roughly 1 year old). I have a bit of

Re: [sage-devel] Giant email subjects from Trac

2014-01-31 Thread Michael Orlitzky
On 01/31/2014 11:33 AM, Keshav Kini wrote: Hi, Check this out: http://i.imgur.com/sbNIk6J.png I *literally* cannot read this mail, because my monitor is not large enough for the message body to even appear in my mail client! :) Even View Source doesn't work, since the thing is

Re: [sage-devel] Please elaborate on the difference between the two OS X binaries for Sage 6.0.

2014-01-20 Thread Michael Welsh
- get the source code, type make, release that folder. The other (app) version is built with SAGE_APP_BUNDLE=yes. HTH, Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails from it, send

Re: [sage-devel] Re: Python as build-time dependency

2014-01-13 Thread Michael Orlitzky
On 01/12/2014 02:06 PM, Felix Salfelder wrote: On Sun, Jan 12, 2014 at 01:09:42PM -0500, Michael Orlitzky wrote: Prefix is designed to run as an ordinary user on non-gentoo systems. If you're on gentoo, you don't need it (unless you don't have root). Plenty of us have been able to get

Re: [sage-devel] Re: Python as build-time dependency

2014-01-12 Thread Michael Orlitzky
On 01/12/2014 04:16 AM, Javier López Peña wrote: On Sunday, January 12, 2014 2:20:03 AM UTC, William wrote: Thanks for reminding people of conda. One issue is that Sage's build system is far more than just for installing Python package -- it's much, much more (e.g., Gap,

Re: [sage-devel] Re: Python as build-time dependency

2014-01-12 Thread Michael Orlitzky
On 01/12/2014 12:03 PM, Volker Braun wrote: On Sunday, January 12, 2014 6:41:21 AM UTC-10, Michael Orlitzky wrote: At this point I must conjure the semi-regular reminder that cross-platform homebrew already exists in the form of Gentoo Prefix. We are aware of gentoo prefix

Re: [sage-devel] Re: Python as build-time dependency

2014-01-12 Thread Michael Orlitzky
On 01/12/2014 03:51 PM, R. Andrew Ohana wrote: I'm a fan of gentoo's package manager specification (PMS) [1], however the only package manager that is fully compliant is portage, which I don't think is appropriate for sage. In particular: Keep in mind that the alternative is a bunch of

Re: [sage-devel] review and rebase workflow with git

2013-12-18 Thread Michael Orlitzky
On 12/18/2013 11:59 AM, Jeroen Demeyer wrote: On 2013-12-18 08:24, Robert Bradshaw wrote: 7. But since the u/johndoe/tracabcde branch misses everything that went into Sage in between 6.1 and 6.2, I suppose the first thing I now should do is: git merge --no-edit 6.2 Yep. Didn't Volker

Re: [sage-devel] Re: review and rebase workflow with git

2013-12-18 Thread Michael Orlitzky
On 12/18/2013 05:01 PM, Simon King wrote: Isn't rebasing even worse than an occasional merge commit? If I recall correctly, gits claim that rebasing a published branch means to change the history of the branch and is very evil. You should try not to change the history of a public branch that

Re: [sage-devel] review and rebase workflow with git

2013-12-18 Thread Michael Orlitzky
On 12/18/2013 05:58 PM, Robert Bradshaw wrote: But if you push this then the original author won't be able to cleanly pull your rebase. It gets worse if people are depending on this ticket for further development. If nothing in 6.2 affects the branch in question, the commits can still be

Re: [sage-devel] working on (and converting) non-git tickets

2013-12-17 Thread Michael Orlitzky
On 12/17/2013 03:29 PM, John Cremona wrote: Could someone point me to the instructions for converting an old non-git ticket with mercurial patches to a new-style ticket where there's a git branch instead? I am sure that I read it somewhere but cannot find it. It's the same as starting a new

Re: [sage-devel] working on (and converting) non-git tickets

2013-12-17 Thread Michael Orlitzky
On 12/17/2013 04:52 PM, John Cremona wrote: Thanks to all. I'll try out the import-patch tomorrow. I will not try to use sage-dev to attach to the ticket, I'll just push to trac and update the trac fields myself. The git workflow is a lot less weird than the hg one was. After the initial

Re: [sage-devel] OS X Mavericks

2013-11-16 Thread Michael Welsh
On 16/11/2013, at 2126, Jeroen Demeyer jdeme...@cage.ugent.be wrote: On 2013-10-23 02:48, yomcat wrote: On Wednesday, 23 October 2013 10:48:00 UTC+13, yomcat wrote: On Wednesday, 23 October 2013 10:04:57 UTC+13, yomcat wrote: I'll go hunting for dev tools.

Re: [sage-devel] compile sage from github

2013-11-12 Thread Michael Orlitzky
On 11/12/2013 12:29 PM, Robert Bradshaw wrote: This is maddening. Why is this so maddening? Are you out of room on your hard drive? It took too long to build? It offends your sense of aesthetics? Yes, yes, and yes. But there's more: * Bundling libraries are terrible for security. I should

Re: [sage-devel] OS X Mavericks

2013-10-23 Thread Michael Welsh
/sage-test/logs/pkgs/singular-3-1-5.p9.log build directory: /Users/yomcat/Desktop/sage-test/spkg/build/singular-3-1-5.p9 All the logs are at https://www.dropbox.com/sh/pmzh03082qe4nu1/OGfJ0z9H6W/logs Michael -- You received this message because you are subscribed to the Google Groups sage-devel

Re: [sage-devel] Re: trac email config

2013-10-19 Thread Michael Orlitzky
On 10/19/2013 02:18 PM, Volker Braun wrote: REPLYTO_WITHOUT_TO_CC A To header should be enough here. Second, reverse dns doesn't work. This nets us a RDNS_NONE penalty: $ host trac.sagemath.org trac.sagemath.org is an alias for trac.sagedev.org. trac.sagedev.org has address

Re: [sage-devel] imag(CC(infinity)) is 0?

2013-10-03 Thread Michael Orlitzky
On 10/03/2013 11:54 AM, Greg Laun wrote: Out of curiosity, I decided to ask sage what it thought the imaginary part of infinity was. I'm not quite sure that this should return 0. Mathematica returns Indeterminate, which seems like a better answer to me. Has this been discussed elsewhere?

Re: [sage-devel] How can we improve 3d graphics in sage?

2013-09-13 Thread Michael Orlitzky
On 09/13/2013 02:10 PM, Greg Laun wrote: I have a student who specializes in 3d graphics (in particular writing very fast physics and game engines) who has expressed interest in contributing to Sage. From the sound of it, it would be very simple for him to implement fast, responsive

Re: [sage-devel] spkg statistics

2013-07-05 Thread Michael Abshoff
. Since I am potentially going to work on this can you point me to some info on this in case it does exist?. Cheers, Burcin Cheers, Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails

Re: [sage-devel] Re: (abs(sin(x))^2).simplify_full()

2013-07-01 Thread Michael Orlitzky
On 07/01/2013 03:37 PM, Joris Vankerschaver wrote: sage: u = var('u') sage: assume(u, 'real') This makes an assumption in Maxima, where most of the symbolic algebra takes place. sage: u = var('u', domain='real') This sets a flag in pynac, which does nothing as far as I can tell. -- You

Re: [sage-devel] Re: (abs(sin(x))^2).simplify_full()

2013-07-01 Thread Michael Orlitzky
On 07/01/2013 03:55 PM, Michael Orlitzky wrote: On 07/01/2013 03:37 PM, Joris Vankerschaver wrote: sage: u = var('u') sage: assume(u, 'real') This makes an assumption in Maxima, where most of the symbolic algebra takes place. sage: u = var('u', domain='real') This sets a flag

Re: [sage-devel] Re: Sqrt simplification

2013-06-19 Thread Michael Orlitzky
On 06/19/2013 03:03 AM, Eric Gourgoulhon wrote: Thanks for your explanation regarding how radcan works. If radcan ignores assumptions, how can one explain the following behavior: sage: assume(x0) sage: sqrt(x^2).simplify_radical() x sage: maxima_calculus.eval('domain:real') 'real'

[sage-devel] Broken dvipng now prevents plotting

2013-06-16 Thread Michael Orlitzky
I reported this a long time ago when it was preventing me from building the documentation. Now in 5.10.x (and maybe earlier, I haven't been plotting anything for a while), it prevents me from creating plots: http://trac.sagemath.org/sage_trac/ticket/12276 I guess I'm a corner case for using a

Re: [sage-devel] Sqrt simplification

2013-06-15 Thread Michael Orlitzky
On 06/15/2013 11:31 AM, Eric Gourgoulhon wrote: Hi, Here is some behavior of Sage which can be quite disturbing for a new user and probably would be considered as a bug: sage: assume(x0) sage: sqrt(x^2).simplify_full() x I know that the problem is due to Maxima function randcan and

Re: [sage-devel] Huge patch on Trac 7477: Matroid theory

2013-05-24 Thread Michael Welsh
On 25/05/2013, at 1:09 AM, William Stein wst...@gmail.com wrote: And it has 100% doctest coverage. (It does, right?) Yes, it does. We made sure of that before submitting. -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this

Re: [sage-devel] Re: Mac App broken on OS X 10.4

2013-05-03 Thread Michael Welsh
with it... Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit

[sage-devel] OT: SWMATH

2013-04-29 Thread Michael Brickenstein
at position 8 in total number of citations which is not bad, considering it's age. Every feedback is welcome. Cheers, Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails from it, send an email

Re: [sage-devel] Mac OS X dependencies to build from source

2013-04-19 Thread Michael Welsh
hidden, though it appears to change monthly, and it's different if you're on Lion or Mountain Lion. Best, JP Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails from it, send an email

Re: [sage-devel] Mac OS X dependencies to build from source

2013-04-19 Thread Michael Welsh
the command line tools alone as stackoverflow.com/questions/9329243/xcode-4-4-command-line-toolssuggests? It's not very hidden, though it appears to change monthly, and it's different if you're on Lion or Mountain Lion. Best, JP Michael -- You received this message because you

Re: [sage-devel] Re: This platform lacks a functioning sem_open implementation This platform lacks a functioning sem_ope

2013-04-18 Thread Michael Abshoff
/shm and I am too lazy atm to take a look myself. Either way, POSIX demands /dev/shm to be there, so you might want to talk to the provider of your build machine to get that issue fixed ;). Best regards, Andrey Cheers, Michael -- You received this message because you are subscribed

Re: [sage-devel] Re: This platform lacks a functioning sem_open implementation This platform lacks a functioning sem_ope

2013-04-18 Thread Michael Abshoff
On Thu, Apr 18, 2013 at 10:35 AM, pang pablo.ang...@uam.es wrote: sudo rm -rf /dev/shm sudo **ln -s /run/shm /dev/shm It really looked promising, but unfortunately, it didn't work: is a reboot necessary? Eh, it depends: What went wrong? Cheers, Michael -- You received this message

Re: [sage-devel] Re: Equality of expressions (inside a matrix)

2013-03-14 Thread Michael Orlitzky
On 03/14/2013 03:34 PM, Simon King wrote: Hi Jan, On 2013-03-14, Jan Groenewald j...@aims.ac.za wrote: --e89a8f83aa332c3afc04d7e540f8 No, the core example is inside a matrix I don't understand what you mean by this. A==B False A.simplify_rational()==B True That is not good. Worth

Re: [sage-devel] Re: Fix busted sage -valgrind

2013-02-14 Thread Michael Abshoff
point? Cheers, Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel

Re: [sage-devel] Please test this if you have OS X 10.8

2013-02-12 Thread Michael Welsh
On 13/02/2013, at 9:53 AM, kcrisman kcris...@gmail.com wrote: We particularly would like people who don't even have Sage.app to try this, since with multiple versions of Sage.app there can be natural confusion as to which one is supposed to open the file, though in principle this should

Re: [sage-devel] Please test this if you have OS X 10.8

2013-02-12 Thread Michael Welsh
a .app on this machine or even sws files. The app that I just copied on is the only thing that can open it (according to the right-click menu) Michael -- You received this message because you are subscribed to the Google Groups sage-devel group. To unsubscribe from this group and stop receiving

Re: [sage-devel] Please test this if you have OS X 10.8

2013-02-12 Thread Michael Welsh
On 13/02/2013, at 11:09 AM, Ivan Andrus darthand...@gmail.com wrote: On Feb 12, 2013, at 2:17 PM, Michael Welsh yom...@yomcat.geek.nz wrote: On 13/02/2013, at 9:53 AM, kcrisman kcris...@gmail.com wrote: Hi! Thanks to very hard work by Ivan Andrus, we have Sage double-clicking sws files

Re: [sage-devel] Add warning about Mac app store pref to download page - or README?

2013-01-31 Thread Michael Welsh
On 1/02/2013, at 8:19 AM, kcrisman kcris...@gmail.com wrote: Sounds viable to me. Any other ideas? Presumably this can be considered a problem, since we want people who know nothing about App Store prefs downloading Sage :) IIRC, the default setting is MAS and registered developers, so

Re: [sage-devel] Re: git integration repository, please test

2013-01-16 Thread Michael Orlitzky
On 01/16/2013 07:17 AM, Timo Kluck wrote: This is true. I think the reason Sage is the way it is right now, is that it wants to have a dependency system not only saying I depend on... but also I depend on ... with these build flags ... and these patches. Clearly, autotools and pkg-config

Re: [sage-devel] Re: git integration repository, please test

2013-01-16 Thread Michael Orlitzky
On 01/16/2013 12:30 PM, John Cremona wrote: and a pile of other problems, chief among which is that you've got PhD mathematicians wasting their time fixing CFLAGS. -- which we may still do for fun, it being a whole lot easier than supervising PhD students! Disclaimer: I am a PhD student

Re: [sage-devel] Re: git integration repository, please test

2013-01-15 Thread Michael Orlitzky
On 01/15/2013 08:25 PM, kcrisman wrote: Just curious - how would Mac fit in with all this? I know it's possible to do some of these package things with it, but for the ordinary user... or would one still in principle be able to download the Sage source, disconnect from the Internet, type

Re: [sage-devel] Re: git integration repository, please test

2013-01-15 Thread Michael Orlitzky
On 01/15/2013 10:17 PM, Michael Orlitzky wrote: FreeBSD: pkg install subversion ... Just went insane for a second there =) -- You received this message because you are subscribed to the Google Groups sage-devel group. To post to this group, send email to sage-devel@googlegroups.com

Re: [sage-devel] What am I doing wrong in mercurial?

2013-01-03 Thread Michael Orlitzky
On 01/03/2013 02:21 PM, john_perry_usm wrote: 3) I have started a new patch with hg qnew -m some message trac_somenumber. 4) I make changes to a file within the development tree. ... hg qrefresh? -- You received this message because you are subscribed to the Google Groups sage-devel

Re: [sage-devel] What am I doing wrong in mercurial?

2013-01-03 Thread Michael Orlitzky
.patch user:Michael Orlitzky mich...@orlitzky.com date:Tue Jan 01 14:38:41 2013 -0500 summary: Trac #13897: Fix ArithmeticError: ... But if you accidentally `cd` up one level to devel, sage $ cd .. devel $ sage -hg log -r -1 changeset: 226:1a7b91b38079 tag

Re: [sage-devel] Maxima slashdotted, Sage in comments

2012-12-16 Thread Michael Orlitzky
On 12/15/2012 10:06 PM, Stephen Montgomery-Smith wrote: On 12/15/2012 08:51 PM, kcrisman wrote: Just sayin'. http://science.slashdot.org/story/12/12/14/214231/ask-slashdot-replacing-a-ti-84-with-software-on-a-linux-box and then check the comments. The original poster didn't like maxima,

[sage-devel] A product() analogue to sum()

2012-12-04 Thread Michael Orlitzky
I've been carrying this around in my init.sage. Is there really nothing like it in the library? If not, any reason not to add it? ## from functools import reduce def product(factors): Returns the product of the elements in the list ``factors``. If the list is empty, we return 1.

Re: [sage-devel] A product() analogue to sum()

2012-12-04 Thread Michael Orlitzky
On 12/04/2012 07:01 PM, Tom Boothby wrote: prod() does just what you want. Duh, thanks. I swear I tried produtab. -- You received this message because you are subscribed to the Google Groups sage-devel group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe

Re: [sage-devel] Re: A product() analogue to sum()

2012-12-04 Thread Michael Orlitzky
On 12/04/2012 09:31 PM, Jason Grout wrote: On 12/4/12 6:07 PM, Michael Orlitzky wrote: On 12/04/2012 07:01 PM, Tom Boothby wrote: prod() does just what you want. Duh, thanks. I swear I tried produtab. Just FYI, the prod() function assumes your multiplication is associative and often

Re: [sage-devel] High level architectural design document of Sage

2012-12-03 Thread Michael Orlitzky
On 12/03/2012 04:45 PM, William Stein wrote: Yes, it was kind of frustrating. Basically, David advertised it a lot, but at the end of the day, basically few people were available to come to a Sage Days on improving the documentation, even with all expenses paid... If anybody reading this

[sage-devel] Inverting elements of polynomial_modn_dense_ntl

2012-11-30 Thread Michael Orlitzky
I accidentally noticed that most of the doctests for this module were testing the flint implementation instead: http://trac.sagemath.org/sage_trac/ticket/13781 The patch is straight-forward, but there's a hidden issue that the doctests should have caught: sage: R.x =

[sage-devel] ArithmeticError: 0^0 is undefined (Zmod)

2012-11-29 Thread Michael Orlitzky
This came up on another ticket: sage: one = Zmod(5)(1) sage: (one*5)^0 -- ArithmeticError ... ArithmeticError: 0^0 is undefined. Some of these were dealt with in, http://trac.sagemath.org/sage_trac/ticket/10772

Re: [sage-devel] Re: assuming 'integer' can change results of limit from 3 to +oo? (possible bug?)

2012-11-26 Thread Michael Orlitzky
On 11/25/2012 09:25 AM, Andrzej Giniewicz wrote: Good news - it is said to be fixed in git (like 10 minutes ago). I will test git version soon. https://sourceforge.net/p/maxima/code/ci/5ad2bf71294381da63cafdeded1e5e2de03aa936/ Anyway, is such cases (wrong answers), do we wait for

Re: [sage-devel] Re: Sage testing

2012-11-21 Thread Michael Orlitzky
On 11/21/2012 11:34 AM, P Purkayastha wrote: The policy is to add examples and tests within your documentation. Look up the source code of some function like QQ?? plot?? integrate?? and so on. You will find both examples and tests listed there. And one thing that's easy to miss

[sage-devel] Combining finite/rational fields

2012-11-17 Thread Michael Orlitzky
I just opened, http://trac.sagemath.org/sage_trac/ticket/13720 intending to submit a patch a few minutes later, but I've hit a problem. The current examples feature, sage: legendre_P(3, GF(11)(5)) 8 which works due to a quirk in Maxima's string representation of the polynomial: sage:

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