could not import: cblas_sscal

[retsyo]

I am using Mingw64+msys2 on win7, an installed https://icl.cs.utk.edu/lapack-for-windows/libraries/VisualStudio/3.7.0/Dynamic-MINGW/Win64/libblas.dll

[andreaferretti]

I don't use windows, so I cannot be of much help, but I think you need the CBLAS library (which should be the same as BLAS but with different function names and calling conventions)