Feature element boundary [3/3] #1081
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…re-element_boundary
lukasdreyer
reviewed
Jun 10, 2024
|
Ready for review - i added a test case. |
lukasdreyer
requested changes
Jun 20, 2024
lukasdreyer
reviewed
Jun 20, 2024
lukasdreyer
reviewed
Jun 20, 2024
Co-authored-by: lukasdreyer <[email protected]>
Co-authored-by: lukasdreyer <[email protected]>
|
Is now ready for re-review. |
lukasdreyer
reviewed
Sep 13, 2024
Comment on lines
+2115
to
+2139
| else { | ||
| SC_ABORT ("This forest has holes and a computation of boundary elements is not supported. Once " | ||
| "https://github.com/DLR-AMR/t8code/issues/825 is resolved, the function will be available.\n"); | ||
| } | ||
| /* we need to compute the face neighbors to know whether the element is a boundary element. */ | ||
| const int is_balanced = t8_forest_is_balanced (forest); | ||
| int num_neighbors; | ||
| t8_element_t **neighbor_leaves; | ||
| t8_locidx_t *pelement_indices; | ||
| t8_eclass_scheme_c *pneigh_scheme; | ||
| /* The forest has holes, the leaf could lie inside a tree but its neighbor was deleted. */ | ||
| t8_forest_leaf_face_neighbors (forest, local_tree, leaf, &neighbor_leaves, face, NULL, &num_neighbors, | ||
| &pelement_indices, &pneigh_scheme, is_balanced); | ||
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|
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| if (num_neighbors == 0) { | ||
| /* The element has no neighbors, it is a boundary element. */ | ||
| return 1; | ||
| } | ||
| else { | ||
| /* If neighbors were found, these arrays were allocated and need clean-up. */ | ||
| T8_FREE (neighbor_leaves); | ||
| T8_FREE (pelement_indices); | ||
| /* This leaf is not a boundary leaf. */ | ||
| return 0; | ||
| } |
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I think it's cleaner, if the additional computations for forests with holes is moved into the else branch, or the SC_ABORT is moved outside the else branch, so it becomes clear that for incomplete trees we can return earlier
| scheme = t8_scheme_new_default_cxx (); | ||
| forest = t8_forest_new_uniform (cmesh, scheme, level, 0, sc_MPI_COMM_WORLD); | ||
| t8_forest_ref (forest); | ||
| //const int maxlevel = t8_forest_get_maxlevel (forest); |
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Describe your changes here:
Implemented a function to check whether a leaf element is at the domain boundary or not.
We need to take special care with forests with holes, since these forests have inner boundaries.
Currently draft since we need to implement a test case.
Merge after #1079 and #1080
All these boxes must be checked by the reviewers before merging the pull request:
As a reviewer please read through all the code lines and make sure that the code is fully understood, bug free, well-documented and well-structured.
General
The reviewer executed the new code features at least once and checked the results manually
The code follows the t8code coding guidelines
New source/header files are properly added to the Makefiles
The code is well documented
All function declarations, structs/classes and their members have a proper doxygen documentation
All new algorithms and data structures are sufficiently optimal in terms of memory and runtime (If this should be merged, but there is still potential for optimization, create a new issue)
Tests
Github action
The code compiles without warning in debugging and release mode, with and without MPI (this should be executed automatically in a github action)
All tests pass (in various configurations, this should be executed automatically in a github action)
If the Pull request introduces code that is not covered by the github action (for example coupling with a new library):
Scripts and Wiki
script/find_all_source_files.scpto check the indentation of these files.Licence
doc/(or already has one)