mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 22:33:48 +01:00
8c725f8d5e
- h5/make_h5.... only used in parameters. - old boost includes before C++11 - remove boost serialization, make macro TRIQS_MAKE_NVP temporarely - remove boost::is_complex (can be written in 2 lines...) - move some lib in cpp
103 lines
3.7 KiB
C++
103 lines
3.7 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 "./mesh_tools.hpp"
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#include "../domains/discrete.hpp"
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namespace triqs {
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namespace gfs {
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template <typename Domain> struct discrete_mesh {
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using domain_t = Domain;
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using index_t = long;
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discrete_mesh(domain_t dom) : _dom(std::move(dom)) {}
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discrete_mesh() = default;
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domain_t const &domain() const { return _dom; }
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long size() const { return _dom.size(); }
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/// Conversions point <-> index <-> discrete_index
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long index_to_point(index_t ind) const { return ind; }
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long index_to_linear(index_t ind) const { return ind; }
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/// The wrapper for the mesh point
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class mesh_point_t : tag::mesh_point, public utility::arithmetic_ops_by_cast<mesh_point_t, long> {
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discrete_mesh const *m;
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index_t _index;
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public:
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mesh_point_t() = default;
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mesh_point_t(discrete_mesh const &mesh, index_t const &index_) : m(&mesh), _index(index_) {}
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mesh_point_t(discrete_mesh const &mesh) : mesh_point_t(mesh, 0){}
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void advance() { ++_index; }
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using cast_t = long;
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operator cast_t() const { return m->index_to_point(_index); }
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long linear_index() const { return _index; }
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long index() const { return _index; }
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bool at_end() const { return (_index == m->size()); }
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void reset() { _index = 0; }
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};
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/// Accessing a point of the mesh
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mesh_point_t operator[](index_t i) const { return mesh_point_t(*this, i); }
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mesh_point_t operator[](std::string const &s) const { return mesh_point_t(*this, _dom.index_from_name(s)); }
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/// Iterating on all the points...
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using const_iterator = mesh_pt_generator<discrete_mesh>;
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const_iterator begin() const { return const_iterator(this); }
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const_iterator end() const { return const_iterator(this, true); }
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const_iterator cbegin() const { return const_iterator(this); }
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const_iterator cend() const { return const_iterator(this, true); }
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/// Mesh comparison
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bool operator==(discrete_mesh const &M) const { return (_dom == M._dom); }
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bool operator!=(discrete_mesh const &M) const { return !(operator==(M)); }
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/// Write into HDF5
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friend void h5_write(h5::group fg, std::string subgroup_name, discrete_mesh const &m) {
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h5::group gr = fg.create_group(subgroup_name);
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h5_write(gr, "domain", m.domain());
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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_mesh &m) {
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h5::group gr = fg.open_group(subgroup_name);
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typename discrete_mesh::domain_t dom;
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h5_read(gr, "domain", dom);
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m = discrete_mesh(std::move(dom));
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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 &TRIQS_MAKE_NVP("domain", _dom);
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}
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friend std::ostream &operator<<(std::ostream &sout, discrete_mesh const &m) { return sout << "Discrete Mesh"; }
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private:
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domain_t _dom;
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};
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}
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}
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