Wolfram LibraryLink provides a powerful way to connect external code to Mathematica, enabling high-speed and memory-efficient execution.

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72
votes
5answers
5k views

Minimal effort method for integrating C++ functions into Mathematica

As of Mathematica 8, what is the minimal effort way to integrate an existing C++ function into Mathematica? I think we have these: MathLink (it was quite long ago I used it last time) communication ...
23
votes
4answers
3k views

Efficiently determining if 3D points are within a surface composed of polygons

This is the 2nd part of a previous question which I edited to make into 2 separate questions: Extracting polygons from 3D contour plot surface As an extension of my earlier question involving simple ...
28
votes
1answer
1k views

Linking FORTRAN with Librarylink

FORTRAN code can be called using MathLink or .NET/Link (see the link for a worked examples). But as mentioned in a talk by T.Gayley and J.Klein in Wolfram Technology Conference 2011, LibraryLink, ...
10
votes
2answers
475 views

How can I use shared libraries in LibraryLink code and ensure Mathematica will find them?

I need to use shared libraries in some LibraryLink code. The shared library is installed in a custom location because it was also compiled by myself. When I try to load functions from the ...
5
votes
2answers
513 views

How to convert data types in a LibraryLink wrapper

I have a dynamic library which I want to load into Mathematica using LibraryLink. I don't have access to the source code of the library, so I need a C wrapper to do the job. In the C wrapper, I would ...
14
votes
1answer
272 views

Dynamic and LibraryLink: dynamic visualization of a simulation

I am asking this question to save some time and I am expecting answers only from people who have tried something like this before. (I realize that I could just try it and see if it works, but that ...
8
votes
1answer
190 views

Where is my memory? — LibraryLink never returns the memory

This is an example LibaryLink code from Mathematica documentation, which takes an integer and return an integer list: ...
10
votes
1answer
270 views

How to use C language functions in Mathematica? [duplicate]

I'm trying to find out the way to use c-functions in Mathematica (I'm using 14 version) on OS X 10.10. For example I've got this lines of code: ...
8
votes
1answer
194 views

How to use RunProcess to import external function?

I have a functions written in an external language called GO. How can I quickly load them into the kernel for use as Mathematica functions? The two ways I've tried are with MathLink and LibraryLink ...
13
votes
1answer
325 views

Using Boost with CreateLibrary

I was looking at the answer of Leonid of Faster alternatives for DayOfWeek and wanted to see how hard it would be to do something similar in C++ using an external library like Boost. I tried to ...
8
votes
2answers
259 views

Type conversion: LibraryLink mint vs. MathLink integer type

Assume the following situation: I have a WolframLibrary function which gets as parameter an integer tensor (which is for simplicity of rank 1) and the function should return an integer list through ...
8
votes
1answer
169 views

How to understand shared passing of a MTensor in LibraryLink?

According to the documentation, there are four different type of memory managing when passing a MTensor with LibraryLink: Automatic, "Constant", "Manual" and "Shared". The Automatic and "Manual" is ...
15
votes
3answers
360 views
+100

Returning multiple results from a LibraryLink function

What is the best way to return multiple inhomogeneous results from a LibraryLink function? Imagine that the result of a single computation is several tensors of different dimensions and several ...
8
votes
1answer
428 views

Converting other C++ classes to MTensor in LibraryLink

Hopefully this will be a quick question + a quick answer: Say I have a C++ (or C) code using LibraryLink. I am using a library that defines a specific matrix class, as many numerical libraries ...
5
votes
1answer
239 views

How to use MKL from Mathematica?

MKL has a lot of functions. The question is: how to use these functions directly from Mathematica? Furthermore, Mathematica shipped with some MKL libraries, which is located in ...
9
votes
2answers
335 views

Why LibraryLink function crashes at a second time?

Bug is present as of version 10.1 on OS X 10.10.3 Update As Todd Gayley commented under halirutan's answer, this is a bug. I'm trying link one of Lapack's function to Mathematica through ...
7
votes
1answer
55 views

How to properly generate messages from LibraryLink function?

I'm currently using WolframLibraryData::Message to generate messages from a library function, like this: ...
2
votes
1answer
4k views

Visual Studio Express 2010 on x86-64: libcmt.lib missing

The CCompilerDriver documentation explains that to use visual studio express on 64-bit targets, it's necessary to install the windows SDK after installing visual studio. I have done this, first ...