| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // Copyright (C) 2025 Tiago V. L. Amorim (@tiagovla) | ||
| 2 | // | ||
| 3 | // This file is part of oiseau (https://github.com/tiagovla/oiseau) | ||
| 4 | // | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | |||
| 7 | #include "oiseau/dg/nodal/ref_element.hpp" | ||
| 8 | |||
| 9 | #include <cstddef> | ||
| 10 | #include <functional> | ||
| 11 | #include <memory> | ||
| 12 | #include <stdexcept> | ||
| 13 | #include <unordered_map> | ||
| 14 | #include <utility> | ||
| 15 | |||
| 16 | #include "oiseau/dg/nodal/ref_hexahedron.hpp" | ||
| 17 | #include "oiseau/dg/nodal/ref_line.hpp" | ||
| 18 | #include "oiseau/dg/nodal/ref_quadrilateral.hpp" | ||
| 19 | #include "oiseau/dg/nodal/ref_tetrahedron.hpp" | ||
| 20 | #include "oiseau/dg/nodal/ref_triangle.hpp" | ||
| 21 | |||
| 22 | namespace oiseau::dg::nodal { | ||
| 23 | |||
| 24 | ✗ | std::shared_ptr<RefElement> get_ref_element(RefElementType type, unsigned order) { | |
| 25 | using Key = std::pair<RefElementType, unsigned>; | ||
| 26 | |||
| 27 | struct KeyHash { | ||
| 28 | ✗ | std::size_t operator()(const Key& k) const { | |
| 29 | ✗ | return std::hash<int>()(static_cast<int>(k.first)) ^ std::hash<unsigned>()(k.second); | |
| 30 | } | ||
| 31 | }; | ||
| 32 | |||
| 33 | ✗ | static std::unordered_map<Key, std::shared_ptr<RefElement>, KeyHash> cache; | |
| 34 | |||
| 35 | ✗ | Key key{type, order}; | |
| 36 | ✗ | auto it = cache.find(key); | |
| 37 | ✗ | if (it != cache.end()) { | |
| 38 | ✗ | return it->second; | |
| 39 | } | ||
| 40 | |||
| 41 | ✗ | std::shared_ptr<RefElement> elem; | |
| 42 | ✗ | switch (type) { | |
| 43 | ✗ | case RefElementType::Line: | |
| 44 | ✗ | elem = std::make_shared<RefLine>(order); | |
| 45 | ✗ | break; | |
| 46 | ✗ | case RefElementType::Triangle: | |
| 47 | ✗ | elem = std::make_shared<RefTriangle>(order); | |
| 48 | ✗ | break; | |
| 49 | ✗ | case RefElementType::Quadrilateral: | |
| 50 | ✗ | elem = std::make_shared<RefQuadrilateral>(order); | |
| 51 | ✗ | break; | |
| 52 | ✗ | case RefElementType::Tetrahedron: | |
| 53 | ✗ | elem = std::make_shared<RefTetrahedron>(order); | |
| 54 | ✗ | break; | |
| 55 | ✗ | case RefElementType::Hexahedron: | |
| 56 | ✗ | elem = std::make_shared<RefHexahedron>(order); | |
| 57 | ✗ | break; | |
| 58 | ✗ | default: | |
| 59 | ✗ | throw std::invalid_argument("Unknown element type"); | |
| 60 | } | ||
| 61 | |||
| 62 | ✗ | cache[key] = elem; | |
| 63 | ✗ | return elem; | |
| 64 | ✗ | } | |
| 65 | |||
| 66 | } // namespace oiseau::dg::nodal | ||
| 67 |