Questions tagged [mathlink-or-wstp]

MathLink is a suite of Mathematica functions that implement a protocol for the communication/interfacing of Mathematica with external programs.

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Detect front-end Abort in C WSTP process

I have a long loop in a C WSTP process, within which I intermittently check for abort messages sent by the front-end: ...
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1 vote
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It is possible to call C functions with pointers as arguments in Mathematica?

Here is my goal: I want to call external library functions, written in C (not by me), in Mathematica. I may have found a way to do it using LibraryLink by following this scheme: First, for each ...
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How can we call Mathematica functions from another server using the `wolframscript` Python library?

How can we use the wolframclient Python library to call Mathematica functions when Mathematica is running in an another server? For example, if we have Mathematica ...
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MathKernel.exe not being killed while running from .NET C#

I am using Mathematica from .NET (C#) to compute the result based on some input, following is the code snippet of C# ...
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1 answer
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Change DataStructure (or maybe just a symbol) from JLink/Java program

I try to use JLink and Java program for receiving responses from the abstract WebSocket server. WSS not supported by Wolfram Language now, but I can use this java project + JLink for the creating a ...
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0 answers
233 views

Problem Using Remote Kernel

Problem The success rate of connecting to a remote kernel is only 30%. And no matter success or not, it takes 5 mins for Mathematica to give me a result! Is there anyone who has tried this function? ...
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MathLink related error on HPC

Most of the times, Mathematica gives the following error for the jobs submitted on multiple nodes in queue: ...
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cannot launch the Visual Studio C++ Mathematica program on debug mode, only on release mode!

Edited I am trying to run a C++ program on Visual Studio. this program needs to connect to mathematica kernel. assume any simple program, no matters. something like this code. I added and linked ...
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1 answer
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Run a code in Fortran, C++, or Python in Wolfram Mathematica 12 on Mac OS [closed]

I would like to run an external code, written in Fortran, C++, or Python, within Wolfram Mathematica 12 on my MAC OS. I looked up on Internet and I tried to read the WSTP documentation on Wolfram ...
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1 answer
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WSTP connection does not connect on windows

I am new in mathematica programming. Actually referring this link, I tried to connect to kernel from c++ program on Windows with visual studio. I copied all these .exe files in related folder which i ...
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error LNK2019: unresolved external symbol _WSInitialize

I tried to run very simple example of connecting to WSTP. I checked a few links in this site but none of them could resolved my issue. I added three .lib files to visual studio location from this link ...
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Substitute for MathLink to integrate PARI with Mathematica?

How does one access MathLink with current version of Mathematica? I'm trying to integrate the "computer algebra system" PARI with Mathematica, as documented at https://pari.math.u-bordeaux....
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Update Matrix entry from Java

I found the following example online (which works fine) for sending commands from Java: ...
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1 answer
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IMO WSTP does not work with the Visual Studio 2019 tools, can you prove otherwise?

Can LINK addtwo.obj addtwotm.obj wstp64i4.lib /OUT:addtwo.exe actually work with Visual Studio 2019 tools, if so how? ...
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2 answers
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Where to place the essential WSTP files in Visual Studio 2019?

I have Visual Studio for C installed in : C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC From https://reference.wolfram.com/language/tutorial/WSTPDeveloperGuide-Windows.html : "...
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2 votes
2 answers
191 views

LinkOpen::linke: Specified file is not a MathLink executable. in AceGen

I tried to run AceGen/AceFEM on my Mac(10.15.5). I installed Mathematica (12.1.0.0) successfully and also the latest version of the AcePackage (7.113). The installation of the AcePackage is successful,...
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1 answer
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How to get information from all built-in Mathematica functions in order to create a Kotlin library like the Wolfram Client Library for Python?

I'd like to use (if this already exists) or create a library to use Mathematica together with Kotlin (or Java) (not JLink, please see below). We already have this very useful implementation for ...
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1 answer
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What is the use of explicitly calling EvaluatePacket?

I noticed that many examples of C code for communicating via MathLink with the Mathematica kernel first pass an EvaluatePacket call to Mathematica, like this: ...
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1 answer
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ProgressIndicator during a WSTP C function

My WSTP package includes some C++ calculations which can take a long time. I'd therefore like to display a ProgressIndicator during this calculation, the progress ...
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0 votes
1 answer
66 views

Create error Message with runtime value

I've written a Mathematica package (see here) which uses WSTP to call a C/C++ library. Some possible user-errors are known by the package and can be detected and reported by the front-end package code....
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3 votes
1 answer
154 views

Callable interface

I have a c++ program that generates large numbers of small graphs (millions). I would like to remove graphs that are isomorphic to each other so I am thinking about trying to use the callable ...
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1 vote
0 answers
184 views

How to get physical memory addresses out of WSTP?

Appologies this is a very stupid question since I am learning c and wstp's input outputs. Suppose I have a template file as follows: ...
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1 vote
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What is the best setup for creating WSTP Programs?

I am relearning C++ so I can create C++ programs and run them inside Wolfram Language. I am installing the environment for writing C++. Can someone suggest the best and minimalist one which works best ...
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5 votes
1 answer
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Passing an image to Kernel via NETLink

I have created a specialized image analysis method in Mathematica that takes an image and returns a marked up image with some detection output. In order to allow others to feed images into my ...
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  • 305
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1 answer
180 views

Can I distribute Wolfram.NETLink.dll with an open-source project?

I am developing an open-source suite of Windows Workflow Foundation activities for the Wolfram Language to use with UiPath, a Windows automation platform. I built it using the Wolfram.NETLink library. ...
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8 votes
1 answer
382 views

How to call the Wolfram Engine from swift?

I'd like to call the Wolfram Engine within a swift project in Xcode. Are there any known methods or available resources on how to do this? I'm hoping to include it as a resource library for use inside ...
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2 votes
2 answers
288 views

How to detect when the evaluation queue is empty?

Mathematica provides $Post, whose value, if set, is applied to every output expression. In particular, if one sets ...
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1 vote
0 answers
174 views

Can we link Mathematica and Fortran with WSTP? [closed]

How to link Mathematica and Fortran with WSTP?
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4 votes
1 answer
69 views

MathLink: What is the difference between MLPutNext and MLPutType?

What is the difference between MLPutNext and MLPutType (also called WSPutNext and WSPutType)? Their documentation is virtually ...
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5 votes
1 answer
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MathLink: How do I send a bigint?

Suppose I have a big integer from some library such as GMP. I need to return this from a LibraryLink function. What is the most efficient way to do it? The simplest way is to convert it to a string <...
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  • 227k
1 vote
0 answers
83 views

Using WSTP to connect a C process to local and remote kernels simultaneously [closed]

Is it possible for a C program to communicate (via WSTP) with both a Mathematica kernel running on its machine, and a remote one? For context: I use a local Mathematica kernel which talks to a remote ...
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6 votes
1 answer
175 views

MathLink: How to change the default listening IP address?

I have multiple VPNs, one gives local IP address 10.8.0.6 and another is 10.2.3.2. Now I wish to access machines in 10.2.3.x but Mathematica listens in 10.8.0.6 which is not known for those machines. ...
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3 votes
0 answers
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Unknown Math error while creating a WSTP link

When I was executing this code link = LinkCreate[LinkProtocol -> "TCPIP"] I was getting the response as "LinkOpen::linke: Unknown MathLink problem ...
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3 votes
0 answers
115 views

WSTP HTTP interface

Wolfram's website mentions a "one-way" HTTP WSTP interface (https://www.wolfram.com/wstp/ ) One-way connection to the Wolfram Language is supported through HTTP in many languages, including PHP, ...
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  • 720
1 vote
0 answers
162 views

WSTP with an MPI application

I'm looking to use WSTP to make functions defined in a C MPI application available to a remote Mathematica kernel. I've got this working for a non-MPI version of the application, but now wish to have ...
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1 vote
0 answers
19 views

WSWaitForNewLinkFromLinkServer waits too long

Here's a snippet of C++ code: ...
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  • 633
2 votes
0 answers
156 views

WSTP server with asynchronous callback in pure Wolfram Language

In this question, @Todd Gayley provided a nice snippet for WSTP server. ...
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  • 633
1 vote
0 answers
375 views

“LinkConnect::linkc: -- Message text not found” on startup, removing ~/.Mathematica helps

We have a university license of Mathematica. In /usr/remote/Wolfram/Mathematica/10.3/Configuration/Licensing/mathpass on all the Debian 9 systems we have the ...
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1 vote
0 answers
69 views

How can I launch GenerateDocument with a template file on multiple kernels in a batch fashion?

I am trying to do automated testing of my MMA package by launching test cases that are generated on-the-fly with GenerateDocument and a template document, and then evaluated with NotebookEvaluate. I ...
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6 votes
1 answer
491 views

Error LNK2019: unresolved external symbol WSEvaluate referenced in function

In the compile process of a C function written by using wstp.h library (Mathematica 11.3), an error (...
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  • 327
3 votes
0 answers
67 views

How to use both WSTP and MathLink libraries? [duplicate]

We are in the process of writing a Mathematica library by using C language and WSTP library. We encountered a lot of problems like sending a message from C to Mathematica, implementing an argument ...
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  • 327
1 vote
1 answer
52 views

Send an error message from a c function by using WSTP library

Consider that Func is a function written in c language by using WSTP library. In some situations, it can return an error to Mathematica. ...
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  • 327
1 vote
1 answer
104 views

Return two arrays from a c function by using WSTP library to Mathematica in a special manner

I have two arrays. The first one is an array of integers, and the second one is an array of doubles. I want to write a c function to return these arrays by using WSTP library to Mathematica. I know ...
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  • 327
5 votes
1 answer
154 views

How I can implement an argument which is an array of string by using WSTP library?

I have a c function named Func. Its argument is an array of strings. How I can implement this function by using WSTP library? ...
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  • 327
1 vote
0 answers
57 views

How does the mainloop know how to respond to a given packet?

In the MathLink / WTSP mainloop different packets get passed to a kernel in "MathLink mode" and the kernel has a specific response for each. I can guess how the kernel picks a response, generally, but ...
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8 votes
1 answer
202 views

How to send packed array from math kernel to 3rd party app via WSTP

Background I'm developing a small python wrapper PyWSTP. The wrapper is still in very early stage and lacking features. One important feature I'm considering is transferring dense array between math ...
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  • 633
3 votes
0 answers
77 views

WSGetUTF8Function missing in WSTP DLL

Bug introduced in 10.0 and persisting through 11.3.0 Note: MLGetUTF8Function is new in 10.0 (ML interface 4). Despite being in docs and ...
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  • 633
2 votes
0 answers
60 views

Publishing the result of a research related to development of Mathematica [closed]

We are developing a library in c language by using WSTP for Mathematica. Do you know a journal for publishing our results?
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  • 327
3 votes
1 answer
135 views

How return an object of a struct from c to Mathematica?

I'm writing a c code by using WSTP library. In my c codes, I have a struct named Person, and I have a function named Foo, which returns an object of Person. ...
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  • 327
8 votes
2 answers
416 views

Control a Mathematica kernel from the front-end and from python

I'd like to be able to start and control a Mathematica kernel/front-end from python and be able to evaluate things in a notebook and query results on the python side too. Is this possible?
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