Replace eigen data structures

The initial version of Tadah was built using Eigen library and their data structures are deeply ingrained inside the code.

We want to use custom made data containers to improve read/write access.

The container must have contiguous memory storage.

As we will be using Fortran BLAS/LAPACK/ScalaPACK routines in place of Eigen, the data should be kept in column-major order.

This issues is affecting WP1-3

changed milestone to %WP1 Improved parallelisation: speeding up Tadah!

New matrix and vector classes added to CORE

closed

marked this issue as related to #5 (closed)

marked this issue as related to #3 (closed)