relax SVN archive

Code cleanup and copyright adding to lib/dispersion/ns_matrices.py.

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Moved the matrices for Bloch-McConnell from lib ns_mmq_2site, since they are now defined in ns_matrices.py

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Moved the Bloch-McConnell matrix for 2-site exchange into lib/dispersion/ns_matrices.py.

This is for consistency with the other code.

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Fix the bug: "M2_i = M1_mat", which was causing the problems getting systemtests to pass.

Removed the specifications of which dtype, the initial matrices are created.
They can be converted later, with the specification of dtype to matrix_exponential_rankN().

All systemtests now pass.

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Added the "dtype" argument to function matrix_exponential_rankN.

This is to force the conversion of dtype, if they are of other type.
This can be conversion from complex128 to complex64.

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Fix for using the old matrix_exponential of m1.

Onye:
- test_korzhnev_2005_15n_sq_data

Is still failing.
That still uses the matrix_exponential_rankN.

There seems to be a problem with matrix_exponential_rankN, when doing
complex numbers.

Maybe the dtype has to get fixed?
Use it as a input argument?

It must be the einsum

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Force complex64 in ns_mmq_2site_mq.

This solves all systemtests.

Forcing to be complex64, does not seems like a long standing solution, since
complex128 is possible.

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Forces complex64 in ns_mmq_2site_sq_dq_zq instead complex128.

This fixes systemtests:
- test_korzhnev_2005_15n_zq_data
- test_korzhnev_2005_1h_sq_data

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Forcing the dtype to be complex64, instead of complex128.

This solves a range of systemtests.
The one who fails now is:

-test_korzhnev_2005_15n_zq_data
-test_korzhnev_2005_1h_mq_data
-test_korzhnev_2005_1h_sq_data

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.

Reinserted old code.

This fixes:
test_korzhnev_2005_15n_mq_data

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.