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| 1 | // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | ||
| 2 | // vi: set et ts=4 sw=4 sts=4: | ||
| 3 | // | ||
| 4 | // SPDX-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | // | ||
| 7 | /*! | ||
| 8 | * \file | ||
| 9 | * \ingroup Discretization | ||
| 10 | * \brief Class providing iterators over sub control volumes and sub control volume faces of an element. | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_SCV_AND_SCVF_ITERATORS_HH | ||
| 13 | #define DUMUX_SCV_AND_SCVF_ITERATORS_HH | ||
| 14 | |||
| 15 | #include <dune/common/iteratorrange.hh> | ||
| 16 | #include <dune/common/iteratorfacades.hh> | ||
| 17 | |||
| 18 | namespace Dumux { | ||
| 19 | |||
| 20 | /*! | ||
| 21 | * \ingroup Discretization | ||
| 22 | * \brief Iterators over sub control volumes | ||
| 23 | * \note usage: for(const auto& scv : scvs(fvGeometry)) | ||
| 24 | */ | ||
| 25 | template<class SubControlVolume, class Vector, class FVElementGeometry> | ||
| 26 | class ScvIterator : public Dune::ForwardIteratorFacade<ScvIterator<SubControlVolume, | ||
| 27 | Vector, | ||
| 28 | FVElementGeometry>, | ||
| 29 | const SubControlVolume> | ||
| 30 | { | ||
| 31 | using ThisType = ScvIterator<SubControlVolume, Vector, FVElementGeometry>; | ||
| 32 | using Iterator = typename Vector::const_iterator; | ||
| 33 | public: | ||
| 34 |
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588784424 | ScvIterator(const Iterator& it, const FVElementGeometry& fvGeometry) |
| 35 | : it_(it), fvGeometryPtr_(&fvGeometry) {} | ||
| 36 | |||
| 37 |
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26 | ScvIterator() : it_(Iterator()), fvGeometryPtr_(nullptr) {} |
| 38 | |||
| 39 | //! dereferencing yields a subcontrol volume | ||
| 40 | 592459178 | const SubControlVolume& dereference() const | |
| 41 | { | ||
| 42 |
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592459178 | return fvGeometryPtr_->scv(*it_); |
| 43 | } | ||
| 44 | |||
| 45 | 2 | bool equals(const ThisType& other) const | |
| 46 | { | ||
| 47 |
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2 | return it_ == other.it_; |
| 48 | } | ||
| 49 | |||
| 50 | 372364736 | void increment() | |
| 51 | { | ||
| 52 | 372364736 | ++it_; | |
| 53 | } | ||
| 54 | |||
| 55 | private: | ||
| 56 | Iterator it_; | ||
| 57 | const FVElementGeometry* fvGeometryPtr_; | ||
| 58 | }; | ||
| 59 | |||
| 60 | /*! | ||
| 61 | * \ingroup Discretization | ||
| 62 | * \brief Iterators over sub control volume faces of an fv geometry | ||
| 63 | * \note usage: for(const auto& scvf : scvfs(fvGeometry)) | ||
| 64 | */ | ||
| 65 | template<class SubControlVolumeFace, class Vector, class FVElementGeometry> | ||
| 66 | class ScvfIterator : public Dune::ForwardIteratorFacade<ScvfIterator<SubControlVolumeFace, | ||
| 67 | Vector, | ||
| 68 | FVElementGeometry>, | ||
| 69 | const SubControlVolumeFace> | ||
| 70 | { | ||
| 71 | using ThisType = ScvfIterator<SubControlVolumeFace, Vector, FVElementGeometry>; | ||
| 72 | using Iterator = typename Vector::const_iterator; | ||
| 73 | public: | ||
| 74 |
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283165474 | ScvfIterator(const Iterator& it, const FVElementGeometry& fvGeometry) |
| 75 | : it_(it), fvGeometryPtr_(&fvGeometry) {} | ||
| 76 | |||
| 77 | 16 | ScvfIterator() : it_(Iterator()), fvGeometryPtr_(nullptr) {} | |
| 78 | |||
| 79 | //! dereferencing yields a subcontrol volume face | ||
| 80 | 1429797818 | const SubControlVolumeFace& dereference() const | |
| 81 | { | ||
| 82 |
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1429797818 | return fvGeometryPtr_->scvf(*it_); |
| 83 | } | ||
| 84 | |||
| 85 | 58738279 | bool equals(const ThisType& other) const | |
| 86 | { | ||
| 87 |
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1719729662 | return it_ == other.it_; |
| 88 | } | ||
| 89 | |||
| 90 | 1428701790 | void increment() | |
| 91 | { | ||
| 92 | 1428701790 | it_++; | |
| 93 | } | ||
| 94 | |||
| 95 | private: | ||
| 96 | Iterator it_; | ||
| 97 | const FVElementGeometry* fvGeometryPtr_; | ||
| 98 | }; | ||
| 99 | |||
| 100 | /*! | ||
| 101 | * \ingroup Discretization | ||
| 102 | * \brief Iterators over sub control volume faces of an fv geometry and a given sub control volume | ||
| 103 | * \note usage: for(const auto& scvf : scvfs(fvGeometry, scv)) | ||
| 104 | */ | ||
| 105 | template<class SubControlVolumeFace, class Vector, class FVElementGeometry> | ||
| 106 | class SkippingScvfIterator : public Dune::ForwardIteratorFacade<SkippingScvfIterator<SubControlVolumeFace, | ||
| 107 | Vector, | ||
| 108 | FVElementGeometry>, | ||
| 109 | const SubControlVolumeFace> | ||
| 110 | { | ||
| 111 | using ThisType = SkippingScvfIterator<SubControlVolumeFace, Vector, FVElementGeometry>; | ||
| 112 | using Iterator = typename Vector::const_iterator; | ||
| 113 | public: | ||
| 114 | |||
| 115 | 2 | SkippingScvfIterator() : it_(Iterator()), fvGeometryPtr_(nullptr) {} | |
| 116 | |||
| 117 | 111907112 | static ThisType makeBegin(const Vector& vector, const FVElementGeometry& fvGeometry, const std::size_t scvIdx) | |
| 118 | { | ||
| 119 | 111907112 | auto begin = vector.begin(); | |
| 120 | 111907112 | const auto end = vector.end(); | |
| 121 | |||
| 122 |
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647841676 | while (begin != end && fvGeometry.scvf(*begin).insideScvIdx() != scvIdx) |
| 123 | 521852892 | ++begin; | |
| 124 | |||
| 125 | 111907112 | return SkippingScvfIterator(begin, end, fvGeometry, scvIdx); | |
| 126 | } | ||
| 127 | |||
| 128 | 111907112 | static ThisType makeEnd(const Vector& vector, const FVElementGeometry& fvGeometry, const std::size_t scvIdx) | |
| 129 | { | ||
| 130 | 111907112 | return SkippingScvfIterator(vector.end(), vector.end(), fvGeometry, scvIdx); | |
| 131 | } | ||
| 132 | |||
| 133 | //! dereferencing yields a subcontrol volume face | ||
| 134 | 1012235290 | const SubControlVolumeFace& dereference() const | |
| 135 | { | ||
| 136 |
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1012235290 | return fvGeometryPtr_->scvf(*it_); |
| 137 | } | ||
| 138 | |||
| 139 | 403445728 | bool equals(const ThisType& other) const | |
| 140 | { | ||
| 141 |
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403445726 | return it_ == other.it_; |
| 142 | } | ||
| 143 | |||
| 144 | 310224230 | void increment() | |
| 145 | { | ||
| 146 | 310224230 | ++it_; | |
| 147 |
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785106669 | while (it_ != itEnd_ && dereference().insideScvIdx() != scvIdx_) |
| 148 | 474882439 | ++it_; | |
| 149 | 310224230 | } | |
| 150 | |||
| 151 | private: | ||
| 152 | |||
| 153 | 223814224 | SkippingScvfIterator(const Iterator& itBegin, const Iterator& itEnd, const FVElementGeometry& fvGeometry, const std::size_t scvIdx) | |
| 154 | 223814224 | : it_(itBegin), fvGeometryPtr_(&fvGeometry), itEnd_(itEnd), scvIdx_(scvIdx) {} | |
| 155 | |||
| 156 | Iterator it_; | ||
| 157 | const FVElementGeometry* fvGeometryPtr_; | ||
| 158 | const Iterator itEnd_; | ||
| 159 | std::size_t scvIdx_; | ||
| 160 | }; | ||
| 161 | |||
| 162 | } // end namespace Dumux | ||
| 163 | |||
| 164 | #endif | ||
| 165 |