mirror of
https://github.com/triqs/dft_tools
synced 2024-12-27 06:43:40 +01:00
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2012 by M. Ferrero, O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#pragma once
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#include "../tools.hpp"
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#include <map>
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#include <boost/serialization/map.hpp>
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namespace triqs {
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namespace gfs {
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class discrete_domain {
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int Nmax;
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std::vector<std::string> _names; // optional name of the points (e.g. for block)
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std::map<std::string, int> _inv_names; // table inverting the previous vector
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void init_inv() {
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int i = 0;
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for (auto const& x : _names) _inv_names[x] = i++;
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}
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public:
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using point_t = int;
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int size() const {
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return Nmax;
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};
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discrete_domain(int Nmax_ = 1) : Nmax(Nmax_) {
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for (int i = 0; i < Nmax; ++i) {
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std::stringstream fs;
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fs << i;
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_names.push_back(fs.str());
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}
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init_inv();
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}
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discrete_domain(std::vector<std::string> Names) : Nmax(Names.size()), _names(std::move(Names)) { init_inv(); }
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discrete_domain(std::initializer_list<std::string> const& Names) : Nmax(Names.size()), _names(Names) { init_inv(); }
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std::vector<std::string> const& names() const { return _names; }
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int index_from_name(std::string const& s) const { return _inv_names.at(s); }
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bool operator==(discrete_domain const& D) const { return (Nmax == D.Nmax); }
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/// Write into HDF5
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friend void h5_write(h5::group fg, std::string subgroup_name, discrete_domain const& d) {
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h5::group gr = fg.create_group(subgroup_name);
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h5_write(gr, "n_max", d.Nmax);
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// THE NAME ARE MISSING
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}
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/// Read from HDF5
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friend void h5_read(h5::group fg, std::string subgroup_name, discrete_domain& d) {
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h5::group gr = fg.open_group(subgroup_name);
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int n;
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h5_read(gr, "n_max", n);
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d = discrete_domain(n);
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// NAME ARE MISSING
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}
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// BOOST Serialization
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friend class boost::serialization::access;
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template <class Archive> void serialize(Archive& ar, const unsigned int version) {
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ar& boost::serialization::make_nvp("n_max", Nmax);
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ar& boost::serialization::make_nvp("names", _names);
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ar& boost::serialization::make_nvp("names_inv", _inv_names);
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}
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};
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}
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}
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