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I tried to install Linear Algebra libary (lla) using quicklisp in Emacs' SLIME repl, but it didn't work. The error message is:

CL-USER> (ql:quickload :lla)
...
Unable to load foreign library (LIBBLAS.DLL-68919).
  FFI:OPEN-FOREIGN-LIBRARY: Cannot open library "libblas.dll"
   [Condition of type CFFI:LOAD-FOREIGN-LIBRARY-ERROR]

I'm using ANSI Common Lisp (CLISP) in Emacs 27.1 SLIME-mode (Windows 64 bits operating system). How can I install "lla" library properly?

Rainer Joswig
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Larynx
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  • I removed tag `emacs` because this doesn't sound like an Emacs question. It looks like the library you're trying to use is a Common Lisp library, not an Emacs-Lisp library. If that's incorrect then feel free to add the tag back. – Drew Jan 07 '21 at 05:29
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    The error message is complaining that it can't find libblas. Have you installed BLAS/LAPACK? I don't know how to do that on Windows, but if you can figure it out I imagine you'll be able to load lla. – mange Jan 07 '21 at 06:13
  • You can install something like OpenBlas https://www.openblas.net/ on windows.I recall having issues with the CFFI bindings and having to mess around with them to get it to work. One reason why I stay in Linux for this sort of software – David Hodge Jan 08 '21 at 03:00

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