Line data Source code
1 : /*
2 : * Copyright (c) 2010-2015: G-CSC, Goethe University Frankfurt
3 : * Author: Sebastian Reiter
4 : *
5 : * This file is part of UG4.
6 : *
7 : * UG4 is free software: you can redistribute it and/or modify it under the
8 : * terms of the GNU Lesser General Public License version 3 (as published by the
9 : * Free Software Foundation) with the following additional attribution
10 : * requirements (according to LGPL/GPL v3 §7):
11 : *
12 : * (1) The following notice must be displayed in the Appropriate Legal Notices
13 : * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14 : *
15 : * (2) The following notice must be displayed at a prominent place in the
16 : * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17 : *
18 : * (3) The following bibliography is recommended for citation and must be
19 : * preserved in all covered files:
20 : * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21 : * parallel geometric multigrid solver on hierarchically distributed grids.
22 : * Computing and visualization in science 16, 4 (2013), 151-164"
23 : * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24 : * flexible software system for simulating pde based models on high performance
25 : * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26 : *
27 : * This program is distributed in the hope that it will be useful,
28 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 : * GNU Lesser General Public License for more details.
31 : */
32 :
33 : #ifndef __H__LIBGRID__SUBSET_HANDLER_GRID_IMPL__
34 : #define __H__LIBGRID__SUBSET_HANDLER_GRID_IMPL__
35 :
36 : #include <cassert>
37 :
38 : namespace ug
39 : {
40 :
41 : template <class TElem>
42 : typename geometry_traits<TElem>::iterator
43 0 : GridSubsetHandler::
44 : begin(int subsetIndex)
45 : {
46 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
47 :
48 0 : if(subsetIndex < 0 || subsetIndex >= (int)num_subsets_in_list())
49 : return iterator_cast<typename geometry_traits<TElem>::iterator>(
50 : typename Grid::traits<TElem>::AttachedElementList::iterator());
51 :
52 : if(sectionInd < 0)
53 : return iterator_cast<typename geometry_traits<TElem>::iterator>(
54 : section_container<TElem>(subsetIndex).begin());
55 : else
56 : return iterator_cast<typename geometry_traits<TElem>::iterator>(
57 : section_container<TElem>(subsetIndex).section_begin(sectionInd));
58 : }
59 :
60 : template <class TElem>
61 : typename geometry_traits<TElem>::iterator
62 0 : GridSubsetHandler::
63 : end(int subsetIndex)
64 : {
65 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
66 :
67 0 : if(subsetIndex < 0 || subsetIndex >= (int)num_subsets_in_list())
68 : return iterator_cast<typename geometry_traits<TElem>::iterator>(
69 : typename Grid::traits<TElem>::AttachedElementList::iterator());
70 :
71 : if(sectionInd < 0)
72 : return iterator_cast<typename geometry_traits<TElem>::iterator>(
73 : section_container<TElem>(subsetIndex).end());
74 : else
75 : return iterator_cast<typename geometry_traits<TElem>::iterator>(
76 : section_container<TElem>(subsetIndex).section_end(sectionInd));
77 : }
78 :
79 : template <class TElem>
80 : typename geometry_traits<TElem>::const_iterator
81 0 : GridSubsetHandler::
82 : begin(int subsetIndex) const
83 : {
84 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
85 :
86 0 : if(subsetIndex < 0 || subsetIndex >= (int)num_subsets_in_list())
87 : return iterator_cast<typename geometry_traits<TElem>::const_iterator>(
88 : typename Grid::traits<TElem>::AttachedElementList::iterator());
89 :
90 : if(sectionInd < 0)
91 : return iterator_cast<typename geometry_traits<TElem>::const_iterator>(
92 : section_container<TElem>(subsetIndex).begin());
93 : else
94 : return iterator_cast<typename geometry_traits<TElem>::const_iterator>(
95 : section_container<TElem>(subsetIndex).section_begin(sectionInd));
96 : }
97 :
98 : template <class TElem>
99 : typename geometry_traits<TElem>::const_iterator
100 0 : GridSubsetHandler::
101 : end(int subsetIndex) const
102 : {
103 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
104 :
105 0 : if(subsetIndex < 0 || subsetIndex >= (int)num_subsets_in_list())
106 : return iterator_cast<typename geometry_traits<TElem>::const_iterator>(
107 : typename Grid::traits<TElem>::AttachedElementList::iterator());
108 :
109 : if(sectionInd < 0)
110 : return iterator_cast<typename geometry_traits<TElem>::const_iterator>(
111 : section_container<TElem>(subsetIndex).end());
112 : else
113 : return iterator_cast<typename geometry_traits<TElem>::const_iterator>(
114 : section_container<TElem>(subsetIndex).section_end(sectionInd));
115 : }
116 :
117 :
118 : template <class TElem>
119 : void
120 : GridSubsetHandler::
121 : clear_subset_elements(int subsetIndex)
122 : {
123 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
124 :
125 : if(subsetIndex < 0 || subsetIndex >= (int)num_subsets_in_list())
126 : return;
127 :
128 : // iterate through the elements of type TElem and erase them from the subsets list.
129 : if(m_pGrid != NULL)
130 : {
131 : typename Grid::traits<TElem>::SectionContainer& secCon =
132 : section_container<TElem>(subsetIndex);
133 :
134 : typename geometry_traits<TElem>::iterator iter = begin<TElem>(subsetIndex);
135 : while(iter != end<TElem>(subsetIndex))
136 : {
137 : typename geometry_traits<TElem>::iterator iterErase = iter++;
138 : alter_subset_index(*iterErase) = -1;
139 : secCon.erase(iterErase, sectionInd);
140 : }
141 : }
142 : }
143 :
144 : template <class TElem>
145 : uint
146 : GridSubsetHandler::
147 : num_elements(int subsetIndex) const
148 : {
149 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
150 :
151 0 : if((subsetIndex < 0) || (subsetIndex >= (int)num_subsets_in_list()))
152 : return 0;
153 :
154 : if(sectionInd < 0)
155 : return section_container<TElem>(subsetIndex).num_elements();
156 : else
157 : return section_container<TElem>(subsetIndex).num_elements(sectionInd);
158 : }
159 :
160 : template <class TElem>
161 : uint
162 : GridSubsetHandler::
163 : num(int subsetIndex) const
164 : {
165 : const int sectionInd = geometry_traits<TElem>::CONTAINER_SECTION;
166 :
167 0 : if((subsetIndex < 0) || (subsetIndex >= (int)num_subsets_in_list()))
168 : return 0;
169 :
170 : if(sectionInd < 0)
171 0 : return section_container<TElem>(subsetIndex).num_elements();
172 : else
173 : return section_container<TElem>(subsetIndex).num_elements(sectionInd);
174 : }
175 :
176 : template <class TElem>
177 : uint
178 : GridSubsetHandler::
179 : num() const
180 : {
181 : uint n = 0;
182 : for(uint i = 0; i < num_subsets_in_list(); ++i)
183 : n += num<TElem>(i);
184 :
185 : return n;
186 : }
187 :
188 : template <class TElem> inline
189 : bool GridSubsetHandler::
190 : empty() const
191 : {
192 : return num<TElem>() == 0;
193 : }
194 :
195 : inline bool GridSubsetHandler::
196 : empty() const
197 : {
198 : return empty<Vertex>() && empty<Edge>()
199 : && empty<Face>() && empty<Volume>();
200 : }
201 :
202 : template <class TElem> inline
203 : bool GridSubsetHandler::
204 : empty(int subsetIndex) const
205 : {
206 : return num<TElem>(subsetIndex) == 0;
207 : }
208 :
209 : inline bool GridSubsetHandler::
210 : empty(int subsetIndex) const
211 : {
212 : return empty<Vertex>(subsetIndex) && empty<Edge>(subsetIndex)
213 : && empty<Face>(subsetIndex) && empty<Volume>(subsetIndex);
214 : }
215 :
216 : template<class TElem>
217 0 : void GridSubsetHandler::
218 : change_elem_subset_indices(int indOld, int indNew)
219 : {
220 : typedef typename geometry_traits<TElem>::iterator iterator;
221 : for(iterator iter = begin<TElem>(indOld);
222 0 : iter != end<TElem>(indOld); iter++){
223 : ISubsetHandler::alter_subset_index(*iter, indNew);
224 : }
225 0 : }
226 :
227 : template <class TElem>
228 : bool GridSubsetHandler::perform_self_tests()
229 : {
230 : typedef typename geometry_traits<TElem>::iterator iterator;
231 :
232 : bool bSuccess = true;
233 :
234 : LOG("performing self tests on GridSubsetHandler\n");
235 : LOG(" num subets: " << num_subsets_in_list() << std::endl);
236 :
237 : // iterate through the subsets and check whether the assigned
238 : // elements have the correct subset index
239 : LOG(" checking subset indices\n");
240 : for(size_t i = 0; i < num_subsets_in_list(); ++i){
241 : LOG(" checking subset " << i);
242 : for(iterator iter = begin<TElem>(i); iter != end<TElem>(i); ++iter)
243 : {
244 : if(get_subset_index(*iter) != i){
245 : LOG(" bad element subset index: "
246 : << get_subset_index(*iter));
247 : bSuccess = false;
248 : break;
249 : }
250 : }
251 : LOG("\n");
252 : }
253 :
254 : return bSuccess;
255 : }
256 :
257 : template <class TElem>
258 : typename Grid::traits<TElem>::SectionContainer&
259 : GridSubsetHandler::
260 : section_container(int si)
261 : {
262 0 : Subset* sub = m_subsets[si];
263 : return SectionContainerSelector<typename geometry_traits<TElem>::grid_base_object>::
264 0 : section_container(sub->m_vertices, sub->m_edges, sub->m_faces, sub->m_volumes);
265 : }
266 :
267 :
268 : template <class TElem>
269 : const typename Grid::traits<TElem>::SectionContainer&
270 : GridSubsetHandler::
271 : section_container(int si) const
272 : {
273 0 : const Subset* sub = m_subsets[si];
274 : return SectionContainerSelector<typename geometry_traits<TElem>::grid_base_object>::
275 : section_container(sub->m_vertices, sub->m_edges, sub->m_faces, sub->m_volumes);
276 : }
277 :
278 : }// end of namespace
279 :
280 : #endif
281 :
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