loaders.hpp

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// Copyright (c) 2025--present, The Simons Foundation
// This file is part of TRIQS/modest and is licensed under the terms of GPLv3 or later.
// SPDX-License-Identifier: GPL-3.0-or-later
// See LICENSE in the root of this distribution for details.
 
#pragma once
#include "./downfolding.hpp"
#include "utils/nda_supp.hpp"
 
namespace triqs::modest {

 
  C2PY_IGNORE std::pair<double, one_body_elements_on_grid> read_obe_from_dft_converter_hdf5(std::string const &filename, double threshold = 1.e-5,
                                                                                            bool diagonalize_hloc = false);
 
  C2PY_IGNORE one_body_elements_on_grid read_theta_projectors_for_obe(std::string const &filename, one_body_elements_on_grid const &obe);
 
  C2PY_IGNORE one_body_elements_on_grid read_data_on_high_symm_path_for_obe(std::string const &filename, one_body_elements_on_grid const &obe);

  std::pair<double, one_body_elements_on_grid> one_body_elements_from_dft_converter(std::string const &filename, double threshold = 1.e-5,
                                                                                    bool diagonalize_hloc = false);

  one_body_elements_on_grid one_body_elements_with_theta_projectors(std::string const &filename, one_body_elements_on_grid const &obe);

  one_body_elements_on_grid one_body_elements_on_high_symmetry_path(std::string const &filename, one_body_elements_on_grid const &obe);

  one_body_elements_gw make_one_body_elements_gw(std::string const &filename, double threshold = 1e-5, bool diagonalize_hloc = false);
 // Fixed grid factories

  std::pair<nda::array<std::vector<long>, 2>, nda::array<nda::matrix<dcomplex>, 2>>
  discover_symmetries(nda::array<nda::matrix<dcomplex>, 2> const &Hloc0, std::vector<atomic_orbs> const &atomic_shells, double block_threshold,
                      bool diagonalize_hloc);
 
} // namespace triqs::modest