Singular
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Install Singular on Windows
https://www.singular.uni-kl.de/forum/viewtopic.php?f=10&t=2936		 Page 1 of 1
Author:  Test [ Tue Mar 02, 2021 9:53 pm ]
Post subject:  Install Singular on Windows
I am currently trying to install Singular on my Windows computer. I am following the instructions from this Homepage. I did the first step without any problems. In the second step, however, I have to download a second file but when I click on it nothing happens, so in particular no download starts. I tried this today on two different Winodows 10 Computers and I had both times the same problem. What can I do?
Author:  hannes [ Wed Mar 03, 2021 4:51 pm ]
Post subject:  Re: Install Singular on Windows
For some unknown reason edge cannot download this link.
(Do not know if edge does not know ftp:// links or disklike files ending with .tar.xz)
If you do not have another browser, use wget from within the cygwin window,
(which can be selected as additional tool in setup-x86_64):
Code:
cd /
wget ftp://jim.mathematik.uni-kl.de/repo/cygwin/x86/singular-4.2.0-1.tar.xz
tar Jxf singular-4.2.0-1.tar.xz
Author:  Guest [ Thu Mar 04, 2021 2:40 pm ]
Post subject:  Re: Install Singular on Windows
hannes wrote:
Code:
cd /
wget ???????/singular-4.2.0-1.tar.xz
tar Jxf singular-4.2.0-1.tar.xz


I tried this command and it resulted in
Quote:
==> PASV ... done. ==> RETR singular-4.2.0-1.tar.xz ...
No such file ‘singular-4.2.0-1.tar.xz’.


If you hover the link in the download description it reads version 4.1.3-1 rather then 4.2.0-1. Adjusting the wget command to that, however, also results in "No such file".
I was actually able to download the file using Microsoft Edge (it didn't work with Chrome, though) and tried to manually use tar Jxf singular-4.1.3-1.tar.xz.
I then tried to type Singular but this resulted in the cygwin console completely crashing (no reaction to ctrl+c). After restarting cygwin and trying again, I get the error message
Quote:
Illegal instruction (core dumped)


(For context: I installed the 64 version of cygwin in an effort to get emacs-w32 running, see my own Thread here. However, I can't even get singular to work now.
I still have an older version of Singular running in cygwin32 that I installed some months ago without any trouble.)
Author:  hannes [ Thu Mar 04, 2021 3:34 pm ]
Post subject:  Re: Install Singular on Windows
Sorry, the correct link:
Code:
cd /
wget ftp://jim.mathematik.uni-kl.de/repo/cygwin/64/singular-4.2.0-1.tar.xz
tar Jxf singular-4.2.0-1.tar.xz

As it is a binary for 64bit windows and 64bit cygwin, there is a 64 in it.
Author:  DominikH [ Thu Mar 04, 2021 4:10 pm ]
Post subject:  Re: Install Singular on Windows
Thanks, the download is working now.

However, I'm still experiencing the same problems as before. Once I try to execute Singular, cygwin crashes and after reopening it I get the error "Illegal instruction (core dumped)". I did not have this problem a few months ago when I first installed Singular in cygwin32..
Author:  hannes [ Mon Mar 08, 2021 10:49 am ]
Post subject:  Re: Install Singular on Windows
Try again with the new version of singular-4.2.0-1.tar.xz.
(built an tested on an i3, so it should not have any special instructions)
Author:  kelvin [ Mon Mar 08, 2021 11:25 pm ]
Post subject:  Re: Install Singular on Windows
Chrome (and therefore probably Edge, which is now based on chromium) recently removed support for FTP

Their reasoning is blah blah blah, people should host files more modern ways.
I don't like it when Apple forces people to use things "their way", and now Google is doing it to.
:(

There are hilarious "bug reports" from people in government that cannot reach document template shares and geological survey data etc.
Somehow I doubt users complaining they need a feature (which was already implemented!!), will change their mind.

FTP still works in firefox.
Author:  DominikH [ Wed Mar 10, 2021 5:09 pm ]
Post subject:  Re: Install Singular on Windows
hannes wrote:
Try again with the new version of singular-4.2.0-1.tar.xz.
(built an tested on an i3, so it should not have any special instructions)

I removed everything Singular related from my cyigwin64 and tried again.

When I use "Singular", I get the following:
Code:
      0 [main] bash 1246 child_info_fork::abort: \??\C:\cygwin64\bin\cygncursesw
-10.dll: Loaded to different address: parent(0x3FE380000) != child(0x3FBDC0000)
-bash: fork: retry: Resource temporarily unavailable
      1 [main] bash 1247 child_info_fork::abort: \??\C:\cygwin64\bin\cygncursesw
-10.dll: Loaded to different address: parent(0x3FE380000) != child(0x3FBDC0000)
-bash: fork: retry: Resource temporarily unavailable

And with that message cygwin crashes. This is the same as before.

However, after forcefully closing cygwin and trying again, Singular actually loads. I'm not sure if it's working or a partly broken version, though.
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