..
   Generated automatically by cpp2rst

.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _nrgljubljana_interface__nrg_params_t:

nrgljubljana_interface::nrg_params_t
====================================

*#include <nrgljubljana_interface.hpp>*

.. rst-class:: cppsynopsis

      class  :red:`nrg_params_t`

NRG low-level parameters


Public members
--------------

.. table::
   :widths: 40 60


   +---------------------+-------------+------------------------------------------------------------+
   | dmnrg               | bool        |  Perform DMNRG (density-matrix NRG) calculation            |
   +---------------------+-------------+------------------------------------------------------------+
   | cfs                 | bool        |  Perform CFS (complete Fock space) calculation             |
   +---------------------+-------------+------------------------------------------------------------+
   | fdm                 | bool        |  Perform FDM (full-density-matrix) calculation             |
   +---------------------+-------------+------------------------------------------------------------+
   | fdmexpv             | bool        |  Calculate expectation values using FDM algorithm          |
   +---------------------+-------------+------------------------------------------------------------+
   | dmnrgmats           | bool        |  DMNRG calculation on Matsubara axis                       |
   +---------------------+-------------+------------------------------------------------------------+
   | fdmmats             | bool        |  FDM calculation on Matsubara axis                         |
   +---------------------+-------------+------------------------------------------------------------+
   | mats                | size_t      |  Number of Matsubara points to collect                     |
   +---------------------+-------------+------------------------------------------------------------+
   | specgt              | std::string |  Conductance curves to compute                             |
   +---------------------+-------------+------------------------------------------------------------+
   | speci1t             | std::string |  I_1 curves to compute                                     |
   +---------------------+-------------+------------------------------------------------------------+
   | speci2t             | std::string |  I_2 curves to compute                                     |
   +---------------------+-------------+------------------------------------------------------------+
   | v3mm                | bool        |  Compute 3-leg vertex on matsubara/matsubara axis?         |
   +---------------------+-------------+------------------------------------------------------------+
   | mMAX                | int         |  Number of sites in the star representation                |
   +---------------------+-------------+------------------------------------------------------------+
   | Nmax                | int         |  Number of sites in the Wilson chain                       |
   +---------------------+-------------+------------------------------------------------------------+
   | xmax                | double      |  Largest x in the discretization ODE solver                |
   +---------------------+-------------+------------------------------------------------------------+
   | discretization      | std::string |  Discretization scheme                                     |
   +---------------------+-------------+------------------------------------------------------------+
   | z                   | double      |  Parameter z in the logarithmic discretization             |
   +---------------------+-------------+------------------------------------------------------------+
   | tri                 | std::string |  Tridiagonalisation approach                               |
   +---------------------+-------------+------------------------------------------------------------+
   | preccpp             | size_t      |  Precision for tridiagonalisation                          |
   +---------------------+-------------+------------------------------------------------------------+
   | diag                | std::string |  Eigensolver routine (dsyev|dsyevr|zheev|zheevr|default)   |
   +---------------------+-------------+------------------------------------------------------------+
   | diagratio           | double      |  Ratio of eigenstates computed in partial diagonalisation  |
   +---------------------+-------------+------------------------------------------------------------+
   | dsyevrlimit         | size_t      |  Minimal matrix size for dsyevr                            |
   +---------------------+-------------+------------------------------------------------------------+
   | zheevrlimit         | size_t      |  Minimal matrix size for zheevr                            |
   +---------------------+-------------+------------------------------------------------------------+
   | restart             | bool        |  Restart calculation to achieve truncation goal?           |
   +---------------------+-------------+------------------------------------------------------------+
   | restartfactor       | double      |  Rescale factor for restart=true                           |
   +---------------------+-------------+------------------------------------------------------------+
   | safeguard           | double      |  Additional states to keep in case of a near degeneracy    |
   +---------------------+-------------+------------------------------------------------------------+
   | safeguardmax        | size_t      |  Maximal number of additional states                       |
   +---------------------+-------------+------------------------------------------------------------+
   | fixeps              | double      |  Threshold value for eigenvalue splitting corrections      |
   +---------------------+-------------+------------------------------------------------------------+
   | betabar             | double      |  Parameter \bar{\beta} for thermodynamics                  |
   +---------------------+-------------+------------------------------------------------------------+
   | gtp                 | double      |  Parameter p for G(T) calculations                         |
   +---------------------+-------------+------------------------------------------------------------+
   | chitp               | double      |  Parameter p for chi(T) calculations                       |
   +---------------------+-------------+------------------------------------------------------------+
   | finite              | bool        |  Perform Costi-Hewson-Zlatic finite-T calculation          |
   +---------------------+-------------+------------------------------------------------------------+
   | cfsgt               | bool        |  CFS greater correlation function                          |
   +---------------------+-------------+------------------------------------------------------------+
   | cfsls               | bool        |  CFS lesser correlation function                           |
   +---------------------+-------------+------------------------------------------------------------+
   | fdmgt               | bool        |  FDM greater correlation function?                         |
   +---------------------+-------------+------------------------------------------------------------+
   | fdmls               | bool        |  FDM lesser correlation function?                          |
   +---------------------+-------------+------------------------------------------------------------+
   | fdmexpvn            | size_t      |  Iteration where we evaluate the expectation values        |
   +---------------------+-------------+------------------------------------------------------------+
   | finitemats          | bool        |  T>0 calculation on Matsubara axis                         |
   +---------------------+-------------+------------------------------------------------------------+
   | dm                  | bool        |  Compute density matrixes?                                 |
   +---------------------+-------------+------------------------------------------------------------+
   | broaden_min_ratio   | double      |  Auto-tune broaden_min parameter                           |
   +---------------------+-------------+------------------------------------------------------------+
   | omega0              | double      |  Smallest energy scale in the problem                      |
   +---------------------+-------------+------------------------------------------------------------+
   | omega0_ratio        | double      |  omega0 = omega0_ratio x T                                 |
   +---------------------+-------------+------------------------------------------------------------+
   | diagth              | int         |  Number of diagonalisation threads                         |
   +---------------------+-------------+------------------------------------------------------------+
   | substeps            | bool        |  Interleaved diagonalization scheme                        |
   +---------------------+-------------+------------------------------------------------------------+
   | strategy            | std::string |  Recalculation strategy                                    |
   +---------------------+-------------+------------------------------------------------------------+
   | Ninit               | size_t      |  Initial Wilson chain ops                                  |
   +---------------------+-------------+------------------------------------------------------------+
   | reim                | bool        |  Output imaginary parts of correlators?                    |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpannotated       | size_t      |  Number of eigenvalues to dump                             |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpabs             | bool        |  Dump in terms of absolute energies                        |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpscaled          | bool        |  Dump using omega_N energy units                           |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpprecision       | size_t      |  Dump with # digits of precision                           |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpgroups          | bool        |  Dump by grouping degenerate states                        |
   +---------------------+-------------+------------------------------------------------------------+
   | grouptol            | double      |  Energy tolerance for considering two states as degenerate |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpdiagonal        | size_t      |  Dump diagonal matrix elements                             |
   +---------------------+-------------+------------------------------------------------------------+
   | savebins            | bool        |  Save binned (unbroadened) data                            |
   +---------------------+-------------+------------------------------------------------------------+
   | broaden             | bool        |  Enable broadening of spectra                              |
   +---------------------+-------------+------------------------------------------------------------+
   | emin                | double      |  Lower binning limit                                       |
   +---------------------+-------------+------------------------------------------------------------+
   | emax                | double      |  Upper binning limit                                       |
   +---------------------+-------------+------------------------------------------------------------+
   | bins                | size_t      |  bins/decade for spectral data                             |
   +---------------------+-------------+------------------------------------------------------------+
   | accumulation        | double      |  Shift of the accumulation points for binning              |
   +---------------------+-------------+------------------------------------------------------------+
   | linstep             | double      |  Bin width for linear mesh                                 |
   +---------------------+-------------+------------------------------------------------------------+
   | discard_trim        | double      |  Peak clipping at the end of the run                       |
   +---------------------+-------------+------------------------------------------------------------+
   | discard_immediately | double      |  Peak clipping on the fly                                  |
   +---------------------+-------------+------------------------------------------------------------+
   | goodE               | double      |  Energy window parameter for patching                      |
   +---------------------+-------------+------------------------------------------------------------+
   | NN1                 | bool        |  Do N/N+1 patching?                                        |
   +---------------------+-------------+------------------------------------------------------------+
   | NN2even             | bool        |  Use even iterations in N/N+2 patching                     |
   +---------------------+-------------+------------------------------------------------------------+
   | NN2avg              | bool        |  Average over even and odd N/N+2 spectra                   |
   +---------------------+-------------+------------------------------------------------------------+
   | NNtanh              | double      |  a in tanh[a(x-0.5)] window function                       |
   +---------------------+-------------+------------------------------------------------------------+
   | width_td            | size_t      |  Width of columns in 'td' output file                      |
   +---------------------+-------------+------------------------------------------------------------+
   | width_custom        | size_t      |  Width of columns in 'custom' output file                  |
   +---------------------+-------------+------------------------------------------------------------+
   | prec_td             | size_t      |  Precision of columns in 'td' output file                  |
   +---------------------+-------------+------------------------------------------------------------+
   | prec_custom         | size_t      |  Precision of columns in 'custom' output file              |
   +---------------------+-------------+------------------------------------------------------------+
   | prec_xy             | size_t      |  Precision of spectral function output                     |
   +---------------------+-------------+------------------------------------------------------------+
   | resume              | bool        |  Attempt restart?                                          |
   +---------------------+-------------+------------------------------------------------------------+
   | log                 | std::string |  List of tokens to define what to log                      |
   +---------------------+-------------+------------------------------------------------------------+
   | logall              | bool        |  Log everything                                            |
   +---------------------+-------------+------------------------------------------------------------+
   | done                | bool        |  Create DONE file?                                         |
   +---------------------+-------------+------------------------------------------------------------+
   | calc0               | bool        |  Perform calculations at 0-th iteration?                   |
   +---------------------+-------------+------------------------------------------------------------+
   | lastall             | bool        |  Keep all states in the last iteratio for DMNRG            |
   +---------------------+-------------+------------------------------------------------------------+
   | lastalloverride     | bool        |  Override automatic lastall setting                        |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpsubspaces       | bool        |  Save detailed subspace info                               |
   +---------------------+-------------+------------------------------------------------------------+
   | dump_f              | bool        |  Dump <f> matrix elements                                  |
   +---------------------+-------------+------------------------------------------------------------+
   | dumpenergies        | bool        |  Dump (all) energies to file?                              |
   +---------------------+-------------+------------------------------------------------------------+
   | logenumber          | size_t      |  # of eigenvalues to show for log=e                        |
   +---------------------+-------------+------------------------------------------------------------+
   | stopafter           | std::string |  Stop calculation at some point?                           |
   +---------------------+-------------+------------------------------------------------------------+
   | forcestop           | int         |  Stop iteration?                                           |
   +---------------------+-------------+------------------------------------------------------------+
   | removefiles         | bool        |  Remove temporary data files?                              |
   +---------------------+-------------+------------------------------------------------------------+
   | noimag              | bool        |  Do not output imaginary parts of expvs                    |
   +---------------------+-------------+------------------------------------------------------------+
   | checksumrules       | bool        |  Check operator sumrules                                   |
   +---------------------+-------------+------------------------------------------------------------+
   | checkdiag           | bool        |  Test diag results                                         |
   +---------------------+-------------+------------------------------------------------------------+
   | checkrho            | bool        |  Test tr(rho)=1                                            |
   +---------------------+-------------+------------------------------------------------------------+


Non Member functions
--------------------

.. table::
   :widths: 40 60


   +------------------------------------------------------------------+--+
   | :ref:`h5_write <nrgljubljana_interface__nrg_params_t__h5_write>` |  |
   +------------------------------------------------------------------+--+
   | :ref:`h5_read <nrgljubljana_interface__nrg_params_t__h5_read>`   |  |
   +------------------------------------------------------------------+--+

.. toctree::
    :hidden:

    nrg_params_t/h5_write
    nrg_params_t/h5_read