Re: [sage-devel] [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Dima Pasechnik
On Thursday, 2 February 2012 12:52:53 UTC+8, Jonathan Bober wrote: > > I've just been looking at this trying to figure out what was going on and > I was just going to say exactly the same thing. > > I don't really know anything about the whole glibc vs eglibc thing, but I > bet the implementati

[sage-devel] Sage apps on smart devices

2012-02-02 Thread Iftikhar Burhanuddin
Hi folks, I will be giving at least 1 talk in India in the coming weeks in which I will showcase Sage, in particular, Sage apps on smart devices. What is the status of the above? (I could not find this info on http://wiki.sagemath.org/.) Regards, Ifti -- To post to this group, send an email to

[sage-devel] Help with Assimulo spkg

2012-02-02 Thread Guilherme Brondani Torri
Hello, Some time ago I made a spkg for Sundials [1] (suite of nonlinear differential algebraic equation solvers) and another for Assimulo [2] (Cython/Python based simulation package, which wraps Sundials among others). I am trying to upgrade to Assimulo 2.1 but it fails to import the compile

[sage-devel] Sage and cluster algebra workshop February 8-10, University of Hannover

2012-02-02 Thread Christian Stump
Dear all, we are having a 3 days workshop on Sage and in particular on the cluster algebra package therein next week in Hannover, Germany. You find the necessary information at http://wiki.sagemath.org/combinat/ClusterPackageDaysHannover. If you are interested in attending (even though it is quit

[sage-devel] Re: Sage apps on smart devices

2012-02-02 Thread kcrisman
On Feb 2, 3:09 am, Iftikhar Burhanuddin wrote: > Hi folks, > > I will be giving at least 1 talk in India in the coming weeks in which > I will showcase Sage, in particular, Sage apps on smart devices. > > What is the status of the above? (I could not find this info > onhttp://wiki.sagemath.org/

[sage-devel] Re: Strange doctest failure

2012-02-02 Thread Dima Pasechnik
On Tuesday, January 31, 2012 3:40:02 PM UTC-5, Snark wrote: > > Hi, > > I was patching happily, when I was hit by this: > > sage -t --long "devel/sage-main/sage/rings/arith.py" > ** > File "/home/jpuydt/sage-4.8/devel/sage-main/s

Re: [sage-devel] Re: Strange doctest failure

2012-02-02 Thread Julien Puydt
Le 02/02/2012 19:06, Dima Pasechnik a écrit : On Tuesday, January 31, 2012 3:40:02 PM UTC-5, Snark wrote: Hi, I was patching happily, when I was hit by this: sage -t --long "devel/sage-main/sage/rings/arith.py" ***

Re: [sage-devel] [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Julien Puydt
Le 02/02/2012 05:52, Jonathan Bober a écrit : I've just been looking at this trying to figure out what was going on and I was just going to say exactly the same thing. I don't really know anything about the whole glibc vs eglibc thing, but I bet the implementation is the same as glibc-2.14.1/sys

[sage-devel] *Successful* install of gcc on OS X 10.7

2012-02-02 Thread Jeroen Demeyer
An update on the "gcc on Lion" project: I successfully built gcc-4.4.6 (#12369) on sqrt5. Unfortunately the machine is down now... -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For

[sage-devel] Are the Sage binaries for OS X are crap?

2012-02-02 Thread William Stein
Hi, A random student with OS X 10.6.4 with a 2.4 GHz Intel Core 2 Duo came into my laptop, and when I tried to install the sage-4.8-64bit-10.6 app binary [1], it fails with "Symbol not found: _PyUnicodeUCS4_AsUTF8String". This is I think the same error message I saw on numerous laptops when I wa

Re: [sage-devel] Are the Sage binaries for OS X are crap?

2012-02-02 Thread François Bissey
On Thu, 02 Feb 2012 13:28:22 William Stein wrote: > Hi, > > A random student with OS X 10.6.4 with a 2.4 GHz Intel Core 2 Duo came > into my laptop, and when I tried to install the sage-4.8-64bit-10.6 > app binary [1], it fails with "Symbol not found: > _PyUnicodeUCS4_AsUTF8String". This is I th

[sage-devel] Re: Android app

2012-02-02 Thread Michael Madison
Jason, On a HTC Thunderbolt with Android 2.3.4 everything works with version 2.0!! Great job. Is this just a beta? How would I add examples? Thanks Mike On Jan 25, 6:46 pm, Jason Grout wrote: > On 1/25/12 5:13 PM, Michael Madison wrote: > > > Jason,  On a HTC Thunderbolt with Android 2.3.4 if

[sage-devel] Re: Android app

2012-02-02 Thread Jason Grout
On 2/2/12 3:58 PM, Michael Madison wrote: Jason, On a HTC Thunderbolt with Android 2.3.4 everything works with version 2.0!! Great job. Is this just a beta? How would I add examples? Thanks Mike Good question. Volker developed the Android app; he might be able to answer the question. I'v

Re: [sage-devel] [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Jonathan Bober
On Thu, Feb 2, 2012 at 11:23 AM, Julien Puydt wrote: > > Let us consider : > #include > #include > > int > main () > { > long double x; > x=6.0; > printf ("%.20Lf\n", tgammal(x)); > x=10.0; > printf ("%.20Lf\n", tgammal(x)); > return 0; > } > > On an x86_64 box, I get : > $ ./test > 119.99

[sage-devel] Re: Android app

2012-02-02 Thread Volker Braun
You can't save cells in the android app yet. But if you (or anybody else) wants to contribute examples then please mail send them to me (or post to this thread)! -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+u

[sage-devel] Re: [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread rjf
I don't know about arithmetic on ARM specifically, but there is something wrong with a gamma() function that fails to return an integer (perhaps in float format) when it is given an integer argument (perhaps in float format), and the answer is exactly representable as an integer in float format.

Re: [sage-devel] Sage and cluster algebra workshop February 8-10, University of Hannover

2012-02-02 Thread Nicolas M. Thiery
On Thu, Feb 02, 2012 at 01:03:19PM +0100, Christian Stump wrote: > we are having a 3 days workshop on Sage and in particular on the > cluster algebra package therein next week in Hannover, Germany. > > You find the necessary information at > http://wiki.sagemath.org/combinat/ClusterPackageDaysHann

Re: [sage-devel] Re: [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Jonathan Bober
On Thu, Feb 2, 2012 at 3:05 PM, rjf wrote: > > I don't know about arithmetic on ARM specifically, but there is > something > wrong with a gamma() function that fails to return an integer (perhaps > in float format) when it is > given an integer argument (perhaps in float format), and the answer i

Re: [sage-devel] Re: Sage apps on smart devices

2012-02-02 Thread Iftikhar Burhanuddin
Thanks. Slides for my forthcoming talk are available here. http://sage.math.washington.edu/home/burhanud/IITH-2012/talk.pdf Sage related slides are numbered 71-82. Feedback will be appreciated. Regards, Ifti On Thu, Feb 2, 2012 at 7:02 AM, kcrisman wrote: > > > On Feb 2, 3:09 am, Iftikhar Bu

Re: [sage-devel] [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Dr. David Kirkby
On 02/ 2/12 04:45 AM, Dima Pasechnik wrote: Here is an illustration of the same phenomenon on x86_64. There, of course, 8-byte floats are double, so the code to demonstrate the problem is as follows: #include #include int main () { double x = 6.0; printf("sizof(double)=%d\n",sizeof(double))

Re: [sage-devel] [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Julien Puydt
Le 03/02/2012 07:31, Dr. David Kirkby a écrit : Here's two from OpenSolaris on x86 - one with gcc, the other with the Sun compiler 'cc' drkirkby@hawk:~$ gcc test.c -lm drkirkby@hawk:~$ ./a.out sizof(double)=8 lgamma (6.)=4.78749174278204581157 tgamma (6.)=

Re: [sage-devel] [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Julien Puydt
Le 02/02/2012 23:22, Jonathan Bober a écrit : Can you think of a reason that the answer should change? Does maxima use less that 53 bits of precision ever? Well, if I don't err, $10^{17}$ has 18 decimal digits, which is more than the 15,95.. that fit in 53 binary digits. In any case, let me

Re: [sage-devel] Re: [ARM] The failed numerical tests only show the tests are bad!

2012-02-02 Thread Julien Puydt
Le 03/02/2012 02:28, Jonathan Bober a écrit : On Thu, Feb 2, 2012 at 3:05 PM, rjf mailto:fate...@gmail.com>> wrote: I don't know about arithmetic on ARM specifically, but there is something wrong with a gamma() function that fails to return an integer (perhaps in float format) w

Re: [sage-devel] Re: Sage apps on smart devices

2012-02-02 Thread Volker Braun
At > 80 slides (not counting overlays) this better be a week-long lecture series. Your slides look good, but there is an awful lot of stuff. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegrou

Re: [sage-devel] Re: Sage apps on smart devices

2012-02-02 Thread Iftikhar Burhanuddin
On Thu, Feb 2, 2012 at 11:34 PM, Volker Braun wrote: > At > 80 slides (not counting overlays) this better be a week-long lecture > series. Your slides look good, but there is an awful lot of stuff. Legerdemain. Regards, Ifti -- To post to this group, send an email to sage-devel@googlegroups.co