Re: [sage-devel] Re: gamma function enhancement proposal

2016-01-21 Thread Buck Evan
Fredrik: Thank you for your thoughtful reply! On Thu, Jan 21, 2016 at 2:48 PM Fredrik Johansson < fredrik.johans...@gmail.com> wrote: > Arb (which is now in Sage) permits computing incomplete gamma > functions with rigorous error bounds over arbitrary-precision > real/complex (interval) fields.

Re: [sage-devel] Re: gamma function enhancement proposal

2016-01-21 Thread Buck Evan
On Thursday, January 21, 2016 at 12:18:18 AM UTC-8, Buck Evan wrote: > > > > On Wed, Jan 20, 2016, 22:11 Nils Bruin > > wrote: > >> On Wednesday, January 20, 2016 at 9:25:59 PM UTC-8, Buck Evan wrote: >>> >>> I've written up a proposal in th

Re: [sage-devel] Re: gamma function enhancement proposal

2016-01-21 Thread Buck Evan
On Wed, Jan 20, 2016, 22:11 Nils Bruin wrote: > On Wednesday, January 20, 2016 at 9:25:59 PM UTC-8, Buck Evan wrote: >> >> I've written up a proposal in this google document, and set it to be >> globally readable, commentable. >> >>

[sage-devel] gamma function enhancement proposal

2016-01-20 Thread Buck Evan
I've written up a proposal in this google document, and set it to be globally readable, commentable. https://docs.google.com/document/d/1zEzIz0TCgC1aEKCQmHQkI5EVLlRnwsvrZOnAAClUcdM/edit# I have the next couple of weeks to try to get (parts of) this implemented. Let me know which parts are most/

[sage-devel] Re: sagetex failed to build

2016-01-16 Thread Buck Evan
eleted. Set the environment variable SAGE_KEEP_BUILT_SPKGS to 'yes' to prevent this. make: *** [sagetex] Error 1 ``` On Saturday, January 16, 2016 at 4:09:54 PM UTC-8, Buck Evan wrote: > > This answers my question, although the question doesn't match the message > I sa

[sage-devel] Re: sagetex failed to build

2016-01-16 Thread Buck Evan
Notably, avoiding installing the documentation for this package reduces the download size from 400MB(!) to 9MB. sudo apt-get install --no-install-recommends texlive-latex-extra On Saturday, January 16, 2016 at 4:09:54 PM UTC-8, Buck Evan wrote: > > This answers my question, althou

[sage-devel] Re: sagetex failed to build

2016-01-16 Thread Buck Evan
This answers my question, although the question doesn't match the message I saw. http://doc.sagemath.org/html/en/faq/faq-usage.html#when-i-try-to-use-latex-in-the-notebook-it-says-it-cannot-find-fullpage-sty On Saturday, January 16, 2016 at 12:49:28 PM UTC-8, Buck Evan wrote: > >

[sage-devel] sagetex failed to build

2016-01-16 Thread Buck Evan
I'm trying to compile sage from source, and I'm stuck on this step currently. ``` Compiled with zlib 1.2.8; using zlib 1.2.8 Compiled with poppler version 0.24.5 This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian) restricted \write18 enabled. entering extended mode (./example.t

Re: [sage-devel] Error testing package cython-0.23-3

2016-01-16 Thread Buck Evan
It passed on subsequent `make`. It's good enough for now, for me. Yes it's a Debian (Ubuntu 14.04.3). On Saturday, January 16, 2016 at 11:41:57 AM UTC-8, Jeroen Demeyer wrote: > > On 2016-01-16 20:15, Buck Evan wrote: > > The cause seems to be gcc segfaulting

[sage-devel] Error testing package cython-0.23-3

2016-01-16 Thread Buck Evan
Should I not attempt to build with testing? I've exported SAGE_CHECK=yes`, which is mentioned in the README and looked like a good idea. The cause seems to be gcc segfaulting during tests of cython compilation. ``` [1/1] Cythonizing /home/buck/trees/mine/sage/local/var/tmp/sage/build/cython-0.2

[sage-devel] Re: on adding a function to sage: logGamma

2016-01-16 Thread Buck Evan
I apologize. Resolved as "RTFM". On Saturday, January 16, 2016 at 10:46:33 AM UTC-8, Volker Braun wrote: > > sage: log_gamma(x) > log_gamma(x) > sage: log_gamma(4.0) > 1.79175946922805 > > > On Saturday, January 16, 2016 at 7:35:20 PM UTC+1, Buck Evan wrote: &g

[sage-devel] on adding a function to sage: logGamma

2016-01-16 Thread Buck Evan
It would be helpful if I could use the loggamma function with sage, both in numerical and symbolic form. Some references: * https://en.wikipedia.org/wiki/Gamma_function#The_log-gamma_function * http://mathworld.wolfram.com/LogGammaFunction.html * https://reference.wolfram.com/language/ref/Log