[Texmacs-dev] Mathematica plugin on OS X

[Peter Rapčan]

Hello everybody, 


I tried to get the Mathematica plugin to work on OS X 10.11.5, TeXmacs 1.99.4, 
with Mathematica 10.0.0.0.


First of all, I copied the tm_mathematica.c from Tian-Min Yan to the 
/Applications/TeXmacs.app/Contents/Resources/share/TeXmacs/plugins/mathematica/src.lazy/
 directory.

Then I performed two changes to the file: 
- replaced all occurences of MLDisownString by MLReleaseString
- replaced all occurences ofMLDisownSymbol by MLReleaseSymbol
(According to the Wolfram documentation, as of Mathematica 6.0 the former 
functions have been superseded by the latter functions. I am not sure from 
which version of Mathematica the old functions cannot be used; in any case I 
could not compile the tm_mathematica.c with the libMLi3.a choice without these 
changes in the case of  Mathematica 10.0.0.0). I suppose these changes need to 
be done also if one wanted to use the stock tm_mathematica.c provided in a 
TeXmacs installation.

The adapted tm_mathematica.c  is file is in the attached.


Next, I used the script provided by Singh Madhusudan and made some changes to 
make it work. The changes I had to make are the following:
- change the Mathlink_Path variable (Mathematica version 9 or greater contains 
the architecture specification [in my case MacOSX-x86-64] in the path to the 
directory where Mathlink resides).
- change the /usr/lib/ to /usr/local/lib/ since from OS X 10.11 the System 
Integrity Protection is enabled, forbidding to write to the /usr/lib/ directory 
irrespective of administrator rights.
- change the compiler commant to use g++ instead of gcc and use the oprion 
-l$lib_option -stdlib=libstdc++ instead of the -l$lib_option -lstdc++

With these changes, running the script compiled the tm_mathematica.c just fine, 
with a single warning “tm_mathematica.c:544:46: warning: format specifies type 
'int' but the argument has type 'size_t' (aka 'unsigned long')
      [-Wformat]
    printf("\2prompt#\\red In[%1d]:= {}\5\5",InNum++);”

I attach the working script as “tmMMAscript".


Next, as TeXmacs did not recognize Mathematica as available in the list of 
supported sessions, I created a wrapper “math” command that runs the MathKernel 
 and placed in into /usr/local/bin/. The wrapper is attached. (note that 
creating a symlink to MathKernel does not work). After doing this, TeXmacs 
offers the Mathematica session in its list of supported sessions.


Upon including a Mathematica session, I was prompted whether I allow 
tm_mathematica.bin to accept incoming connections, from which I deduce the 
MathLink is working… well… almost. Unfortunatelly, the session does not return 
results of computations; instead it shows a “busy…” message (see the attached 
screenshot).

I looked at the tm_mathematica file provided by TeXmacs, and tried to tweak it 
(I think the paths are based on some old mathematica version, so I changed the 
relevant command to

export MATHLINK_PATH="$MATH3/CompilerAdditions"

or 

export MATHLINK_PATH="$MATH3/CompilerAdditions/AlternativeLibraries"
(According to the readme file provided in the AlternativeLibraries directory: 
“This AlternativeLibraries directory contains a versions of the MathLink
libraries compiled with -stdlib=libc++ compiler flags.  These libraries exist 
to link programs that need compatibility with Apple's newer libc++ C++ 
library.” 
Since I compiled with the -stdlib=libstdc++ option the second choice should be 
the correct one).

In any case, none of the changes I tried to make to the tm_mathematica file 
helped to make the plugin work, hence I am stuck with the busy message. Any 
help to resolve the issue would be greatly appreciated.


Cheers,
-Peter.

tmMMAscript
Description: Binary data

tm_mathematica.c
Description: Binary data

math
Description: Binary data

> On 31 Oct 2012, at 11:35, Tian-Min Yan <address@hidden> wrote:
> 
> Hi all,
> 
> Now I know how to output PS/EPS graphics. According to the manual
> section "Interfering TeXmacs with other programs", I simply put
> 
>    fputs("\2ps:", stdout);
>    fflush(stdout);
>    system("cat ~/tmp.eps");
>    fputs("\5{}{}\n\n", stdout);
> 
> into the code (see the attachment), now the EPS figure shows up. Can we
> adjust the size and the position of the figure within TeXmacs?
> 
> Besides, I am wondering if we can display a PNG file, since those
> rasterized formats have significantly smaller size and the program runs
> faster. We should be able to choose between different formats to meet
> different purposes.
> 
> One more question, can anybody who is familiar with Mathematica figure
> out why "Export["./tmp.eps", expr]" sometimes outputs figures in the
> wrong position, as is shown in the attachment where the main part is not
> at the center? In contrast, PNG file does not have this problem.
> 
> Best,
> Tian-Min
> 
> On Tue, 2012-10-30 at 19:01 +0100, address@hidden
> wrote: 
>> Hi Tian-Min,
>> 
>> The plugin worked perfectly for graphics in old times when Mathematica 
>> produced pure postscript graphics (this was in versions <=5).
>> If you are happy with the old-style Mathematica graphics, in your 
>> mathematica session simply evaluate : Get["Version5`Graphics`"]
>> and then the plugin will recognize the ps graphics and show them in 
>> TeXmacs (but only for old -or unchanged- graphics functions, old options 
>> etc.)
>> 
>> It would be nice to benefit from the new mathematica graphics, but that 
>> would require someone to volunteer for improving the plugin in that area.
>> 
>> Best,
>> Philippe
>> 
>> 
>> Tian-Min Yan - address@hidden wrote:
>>> Hi all,
>>> 
>>> I am using Mathematica 8. The Mathematica plugin in TeXmacs works
>>> perfectly with a single expression if it does not contain graphical
>>> elements. But if we use functions involving plots, the output is
>>> problematic. Has anybody figured out the implementation of embedded
>>> figures with the Mathematica plugin?
>>> 
>>> Best,
>>> Tian-Min
>>> 
>>> 
>>> 
>>> 
>> 
> 
> 
> <texmacs_wrong_position.png><tm_mathematica.c>