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6 Commits

Author SHA1 Message Date
Olivier Parcollet
0a1285405c [gfs] Lattice fourier, multivar G, curry, tail
- Add Fourier for lattice.
  - Add regular_bz_mesh, cyclic_lattice, and their FFT.

- rm freq_infty.
- The gf can now be evaluated on a tail_view, which result in composing the tail.
- Fix the following issue :
  g(om_) << g(om_ +1)
  will recompose the tail correctly.
- TODO : TEST THIS NEW FEATURE IN DETAIL.

- Work on singularity for G(x, omega)

 - Separate the factory for singularity from the data factory in gf.
 - overload assign_from_functoin (renamed).
 - Fix singularity_t and co in the gf (const issue).

- Clean tail, add tail_const_view
 - add m_tail for x -> tail on any mesh
 - test curry + fourier works on k
2014-10-18 21:20:35 +02:00
Olivier Parcollet
fa07abbea9 [gfs] Singularity as an explicit template parameter
- change the underlying data : do not flatten the linear indices of the
  mesh into a single index, keep a higher dim array.
- easier for various places, and necessary for g(nu,nu').
- work on several 2 part. containers.
- add default target (may not be always matrix_valued)
2014-10-18 21:20:16 +02:00
Priyanka Seth
71fa498833 API change for tail fitters
python fit_tail, replace_by_tail ==> fit_tail_depr, replace_by_tail_depr
c++ set_tail_from_fit ==> fit_tail
2014-10-01 10:52:32 +02:00
Michel Ferrero
d73c1cf00c Fix and wrap set_tail_from_fit
The c++ version of the tail fit is wrapped to python. I also changed
slightly the code so that when replace_by_fit is true the data is
changed all the way to the end of the Matsubara axis not only on the
interval where the fit was done.
2014-09-26 12:35:59 +02:00
Olivier Parcollet
8045598534 Attempt to fix gelss call in fit_tail.
uncommenting the resize fix the issue on linux.
valgrind reports no error any more.
What was the problem ?
2014-03-19 14:01:26 +01:00
tayral
558df98786 Split cpp from hpp (fit_tail) 2014-03-19 14:00:53 +01:00