Some important links
EIGEN Home Page
http://eigen.tuxfamily.org/index.php?title=Main_Page
Decompositions list in Eigen
http://eigen.tuxfamily.org/dox/TopicLinearAlgebraDecompositions.html
Cmake Howto
http://www.itk.org/Wiki/CMake_Cross_Compiling
Cmake in Surveyor
/soft/apps/fen/cmake
Make Fortran and C++ friends.
http://www.math.utah.edu/software/c-with-fortran.html
Examples Intel LAPACK
http://software.intel.com/sites/products/documentation/hpc/mkl/lapack/mkl_lapack_examples/index.htm
LAPACK is a library of Fortran 77 routines
http://www.physics.orst.edu/~rubin/nacphy/lapack/index.html
BOOST Basic Linear Algebra
http://www.boost.org/doc/libs/1_40_0/libs/numeric/ublas/doc/index.htm
Repository for Eigen-XL (version 2)
https://bitbucket.org/ahmadia/eigen-xlc
Freely Available Software for Linear Algebra