oorb
Clang.jl
oorb | Clang.jl | |
---|---|---|
3 | 2 | |
54 | 216 | |
- | 0.0% | |
5.3 | 8.3 | |
about 2 months ago | 7 days ago | |
Fortran | Julia | |
GNU General Public License v3.0 only | MIT License |
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oorb
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Show HN: OpenOrb, a curated search engine for Atom and RSS feeds
Imagine my surprise to see OpenOrb, the standard open source software package for orbit determination and minor planet propagation, on the front page of HackerNews. Its interesting software with a beautiful theoretical basis in Bayesian statistics, and a gnarly Fortran codebase - I can’t wait to see the discussion!
Oh.
It’s one thing to land near a name in use. It is quite another to take it directly!
https://github.com/oorb/oorb
- Julia 1.10 Released
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NASA’s Double Asteroid Redirection Test Is a Smashing Success
Mostly Python and Fortran. See for example https://github.com/oorb/oorb.
The hardest problems are always the social ones. How do you get uptake of a new method, how do you get funding, how do you politely tell a collaboration they are doing the wrong thing, etc.
But if you mean pure technical stuff - the hardest problem I had to solve was rethinking some of the inner loops of the THOR algorithm. The problem was essentially to speed up a Hough transform in 6D space. Lots of time spent profiling CPU cache timings to get that fast.
Clang.jl
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Julia 1.10 Released
Are there solid C interfaces that can be used?
A large part of why I started using Julia is because calling into other languages through the C FFI is pretty easy and efficient. Most of the wrappers are a single line. If there is not existing driver support, I would pass the C headers through Clang.jl, which automatically wraps the C API in a C header.
https://github.com/JuliaInterop/Clang.jl
I most recently did this with libtiff. Here is the Clang.jl code to generate the bindings. It's less than 30 lines of sterotypical code.
https://github.com/mkitti/LibTIFF.jl/tree/main/gen
The generated bindings with a few tweaks is here:
https://github.com/mkitti/LibTIFF.jl/blob/main/src/LibTIFF.j...
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A new C++ <-> Julia Wrapper: jluna
If you are interested in C++ interop you can also have a look at Clang.jl and CxxWrap.jl (the usual Julia package chaos applies, where the package mentioned in old talks and docs that you find on google is superseded by some others...)
What are some alternatives?
thor - Tracklet-less Heliocentric Orbit Recovery
CxxWrap.jl - Package to make C++ libraries available in Julia
Torch.jl - Sensible extensions for exposing torch in Julia.
jluna - Julia Wrapper for C++ with Focus on Safety, Elegance, and Ease of Use
threads - Threads for Lua and LuaJIT. Transparent exchange of data between threads is allowed thanks to torch serialization.
Lux.jl - Explicitly Parameterized Neural Networks in Julia
Tidier.jl - Meta-package for data analysis in Julia, modeled after the R tidyverse.
LibTIFF.jl - Clang.jl generated wrapper around Libtiff_jll.jl
Transformers.jl - Julia Implementation of Transformer models