On 21.06.2020 21:36, Brian Inglis wrote:
On 2020-06-21 12:31, My Name via Cygwin wrote:
(M.A., I've figured out how to reply to the Cygwin Mailing List on these.
If you'd like me to remove your name from the list of addressees in my
future emails, please let me know? I have not found comprehensive docs for
this mailing-list software, so I'm clueless.)
Going by an old memory of mine, I recall that parts of Scipy rely on BLAS,
https://en.wikipedia.org/wiki/Basic_Linear_Algebra_Subprograms, and I read
somewhere that that dependency adds to the difficulty of porting Scipy to
new platforms.
Try installing or upgrading liblapack-devel liblapack-doc libopenblas
openblas-doc and see how far that gets you.
I remember coming across atlas elsewhere, but only know it provides some tuned
BLAS and LAPACK routines.
if Scipy requires just a BLAS, liblapack-devel should be enough for
the compilation.
libopenblas for compatibility reason provides only the shared library
but I am not packing the headers. It helps to run faster any BLAS
routine used by programs.
ATLAS takes too long to compile and it does NOT provides multiprocessor
libraries as OpenBlas. So no interest to package it for Cygwin from
my side.
Regards
Marco
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