Friday, January 8, 2010

Getting Blas and Lapack and Blas libraries in Windows without compiling them

Getting Lapack and Blas libraries in windows is quite annoying since there is not any prebuilt package that I am aware of. You need to compile a distribution of ATLAS, but this is quite demanding since there are a lot of dependencies for windows and current version appears like

One alternative solution, that I am exploring is based on extraction of symbols from R. You install it and then from Visual Studio command prompt perform a:

dumpbin /EXPORTS Rlapack.dll > Rlapack.def
dumpbin /EXPORTS Rblas.dll > Rblas.def

Next step is to use the calling standard described here. I will discuss about it in a follow-up posting.

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