Bessels.jl
FastTrig
Bessels.jl | FastTrig | |
---|---|---|
2 | 1 | |
76 | 20 | |
- | - | |
6.3 | 3.3 | |
about 1 month ago | 27 days ago | |
Julia | C++ | |
MIT License | MIT License |
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Bessels.jl
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Cosine Implementation in C
https://github.com/JuliaMath/Bessels.jl/blob/master/src/bess...
Thanks! I love it, so easy to understand and follow.
My favourite work on the subject is Fredrik Johansson's:
https://github.com/fredrik-johansson/arb
Whenever I feel down and without energy I just read something in there
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A Modern Fortran Scientific Programming Ecosystem
Most of the old Fortran code isn't that great. To the extent it's optimized, it's optimized for PDP era hardware where memory was fast, floating point was slow, fma didn't exist, vectorization didn't exist, computers weren't fast enough to do tedious symbolic math to find better routines, and they weren't fast enough to test hundreds of millions of inputs to ensure correctness and accuracy. The datastructures, algorithms and tuning and testing were never great, and are worse on modern computers. For a simple example of how much of a difference this can make, look at https://github.com/JuliaMath/Bessels.jl which is often 10x faster than AMOS (the old reliable Fortran code).
FastTrig
What are some alternatives?
stdlib - Fortran Standard Library
arb - Arb has been merged into FLINT -- use https://github.com/flintlib/flint/ instead
The-RLIBM-Project - A combined repository for all RLIBM prototypes
projects
musl - unofficial musl mirror git://git.musl-libc.org/musl
reduce-algebra - reduce-algebra: a portable general-purpose computer algebra system, automatically mirrored from https://svn.code.sf.net/p/reduce-algebra/code/. Please visit the REDUCE Homepage, https://reduce-algebra.sourceforge.io/, to report any bugs or request assistance.
llvm-project - The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
q - A fixed point library (Signed Q16.16) for embedded systems.
freebsd-src - The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....