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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66 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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59 views

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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74 views

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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1answer
79 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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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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2answers
140 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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104 views

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

How to link Mathematica and Fortran with WSTP?
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1answer
54 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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1answer
57 views

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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55 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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1answer
108 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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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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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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88 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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WSWaitForNewLinkFromLinkServer waits too long

Here's a snippet of C++ code: ...
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100 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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138 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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35 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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1answer
297 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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0answers
61 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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1answer
39 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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1answer
62 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 ...
5
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1answer
86 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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0answers
50 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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1answer
150 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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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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59 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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1answer
96 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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2answers
245 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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49 views

connecting to an existing application's C API from Mathematica

I have a general question about accessing the contents of an existing application's C API (https://libfive.com/) from Mathematica. Can it be done, and some hints on how? I am about to embark on ...
7
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1answer
141 views

Bug in Mathematica 11.2 WSTP onwards - wstp.h defines only MLEvaluateString?

Bug introduced in 11.2 and persisting through 11.3 I maintain a C++ library with a WSTP interface to Mathematica. Some of my users have noticed that in Mathematica versions 11.2 and 11.3, they see a ...
5
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1answer
144 views

Current QuantLib implementation for Mac OS

Does anyone know of a current QuantLib implementation that can run on Mathematica version 10.3.0 (or higher) for Mac OS X x86 (64-bit)? About QuantLib: The QuantLib project is aimed at providing ...
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1answer
59 views

Why some Graphics cannot be captured by MathLink in NETLink?

I'm trying test on calling mathematica function from .NET application by running demo application MathKernelApp.exe which could be located at ...
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2answers
301 views

Link server WSTP API feature not receiving incoming connections

I'd like to apologize ahead of time that this may be a very long post but want to get all of this out there. Also, this post really only pertains to those with WSTP/MathLink experience. My problem ...
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1answer
105 views

Hide WSTP application from taskbar

I just updated a small MathLink program that I made a while ago, and recompiled it using the new WSTP system (Mathematica 11.2). ...
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1answer
96 views

Missing _MLDisownDoubleArray from libMLi4.a building MathLink with MEX

I'm trying to build MathLink on a Mac using Mex, according to the instructions included in the MathLink download. Unfortunately, when I compile ...
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77 views

WSTP Communicate to an external Mathematica Window

I am using WSTP to connect to Mathematica and get my computation tasks performed via WSTP Link. This connection is initiated with WSOpenArgcArgv. It looks like I am ...
3
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1answer
140 views

How to control which version of Mathematica .NET/Link uses

I have three versions of Mathematica installed: 7.0.1, 11.0.1 and 11.1.1 but my test .NET/Link application will only use version 7. In Visual Studio I have referenced the ...
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78 views

How to implement LinkLaunch-like functionality with timeout?

tl;dr: What is the best way (and correct sequence of operations) to connect two programs using MathLink while anticipating failures / timeouts? Launch program and connect, with timeout I have a ...
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1answer
155 views

Why does LinkRead block when LinkReadyQ returns True?

The LinkRead documentation states: LinkRead will wait until it has read a complete expression before returning. You can ...
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2answers
150 views

Portable makefile for wscc builds

What's the canonical way to write a portable makefile for wscc programs? The makefile typically requires the location of the wscc...
3
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1answer
94 views

Linker warnings from wscc

I am building a Mathematica interface to my c++ program. My makefile and source are available at github. This is the line that invokes wscc, ...
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1answer
175 views

Trying to run J/Link SampleProgram.java from Mac Terminal: Exception in thread “main”

Trying to run the [WSTP J/Link SampleProgram.java][1] Mathematica version 11.0.1.0 file from the MacOS Sierra version 10.12.6 Terminal, generates "Exception in thread "main" ... Updating to Oracle ...
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1answer
86 views

How to return a list from a C++ mathlink function

If I wanted to return a list from a MathLink function, how could I do that? ...
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1answer
158 views

MathLink with Shaw's Complex Analysis with Mathematica

I purchased (some time ago) a copy of William Shaw's Complex Analysis with Mathematica, published in 2006. He uses MathLink (something I've never done before) to speed up a Mandelbrot application. ...
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153 views

Remote kernels, Neural Networks and formatting of Dynamic content

Bug fixed in 11.2 I have a few GPU/CPU 'loaded' Linux boxes in my lab, used largely for rendering. I want to compare the new 11.1 Neural Network stuff to some Tensorflow things we do here. Of course, ...
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1answer
103 views

WSTP simple function doesn't finish evaluating

I'm new to WSTP so I tried to write a small c program, similar to one of the examples in the developerkit and tried to execute the functions in Mathematica. I'm using Ubuntu 16.04 64bit by the way. I ...
5
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1answer
237 views

WSTP simplifying expression from C

I am looking to simplify arbitrary algebraic expressions by invoking the mathematica kernel from C using WSTP. My initial attempt was the following, which was based on the online documentation and the ...
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0answers
59 views

Building WSTP C++ code with MSVS 2013

Has anyone successfully built WSTP code using MSVS 2013 C++? When I followed the online documentation (based on MSVS 2012) in Mathematica 11.1.1, something seemed to be missing, because when I built, ...
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0answers
102 views

Performance speed of WSTP code

I have found that running the following WSTP code, using C++ (MSVS 2010, Windows 7, 32-bit) and Mathematica 11.1, takes about 0.8 Second: ...