Linear algebra for Win64?

[Kevin McTaggart]

Does anyone know of a good D linear algebra library for Win64?  I 
tried scid a year ago and liked it on Win32, but have been unable 
to get it to link on Win64.  When trying to run scid on Win64, 
I've been using prebuilt LAPACK 3.4.1 libraries from 
http://icl.cs.utk.edu/lapack-for-windows/lapack/, but have 
unresolved external symbol dgesv_