void serialize( Archive& ar, NeighborSearch<SortPolicy, MetrType, MatType, TreeType, TraversalType>& ns, const unsigned int version) { ns.Serialize(ar, version); }
void serialize( Archive& ar, NeighborSearch<SortPolicy, metric::EuclideanDistance, arma::mat, TreeType, TraversalType, SingleTreeTraversalType>& ns, const unsigned int version) { ns.Serialize(ar, version); }
double KellyTypeAdapt::calc_err_internal(Hermes::vector<Solution *> slns, Hermes::vector<double>* component_errors, unsigned int error_flags) { int n = slns.size(); error_if (n != this->num, "Wrong number of solutions."); TimePeriod tmr; for (int i = 0; i < n; i++) { this->sln[i] = slns[i]; sln[i]->set_quad_2d(&g_quad_2d_std); } have_coarse_solutions = true; WeakForm::Stage stage; num_act_elems = 0; for (int i = 0; i < num; i++) { stage.meshes.push_back(sln[i]->get_mesh()); stage.fns.push_back(sln[i]); num_act_elems += stage.meshes[i]->get_num_active_elements(); int max = stage.meshes[i]->get_max_element_id(); if (errors[i] != NULL) delete [] errors[i]; errors[i] = new double[max]; memset(errors[i], 0.0, sizeof(double) * max); } /* for (unsigned int i = 0; i < error_estimators_vol.size(); i++) trset.insert(error_estimators_vol[i].ext.begin(), error_estimators_vol[i].ext.end()); for (unsigned int i = 0; i < error_estimators_surf.size(); i++) trset.insert(error_estimators_surf[i].ext.begin(), error_estimators_surf[i].ext.end()); */ double total_norm = 0.0; bool calc_norm = false; if ((error_flags & HERMES_ELEMENT_ERROR_MASK) == HERMES_ELEMENT_ERROR_REL || (error_flags & HERMES_TOTAL_ERROR_MASK) == HERMES_TOTAL_ERROR_REL) calc_norm = true; double *norms = NULL; if (calc_norm) { norms = new double[num]; memset(norms, 0.0, num * sizeof(double)); } double *errors_components = new double[num]; memset(errors_components, 0.0, num * sizeof(double)); this->errors_squared_sum = 0.0; double total_error = 0.0; bool bnd[4]; // FIXME: magic number - maximal possible number of element surfaces SurfPos surf_pos[4]; Element **ee; Traverse trav; // Reset the e->visited status of each element of each mesh (most likely it will be set to true from // the latest assembling procedure). if (ignore_visited_segments) { for (int i = 0; i < num; i++) { Element* e; for_all_active_elements(e, stage.meshes[i]) e->visited = false; } } //WARNING: AD HOC debugging parameter. bool multimesh = false; // Begin the multimesh traversal. trav.begin(num, &(stage.meshes.front()), &(stage.fns.front())); while ((ee = trav.get_next_state(bnd, surf_pos)) != NULL) { // Go through all solution components. for (int i = 0; i < num; i++) { if (ee[i] == NULL) continue; // Set maximum integration order for use in integrals, see limit_order() update_limit_table(ee[i]->get_mode()); RefMap *rm = sln[i]->get_refmap(); double err = 0.0; // Go through all volumetric error estimators. for (unsigned int iest = 0; iest < error_estimators_vol.size(); iest++) { // Skip current error estimator if it is assigned to a different component or geometric area // different from that of the current active element. if (error_estimators_vol[iest]->i != i) continue; /* if (error_estimators_vol[iest].area != ee[i]->marker) continue; */ else if (error_estimators_vol[iest]->area != HERMES_ANY) continue; err += eval_volumetric_estimator(error_estimators_vol[iest], rm); } // Go through all surface error estimators (includes both interface and boundary est's). for (unsigned int iest = 0; iest < error_estimators_surf.size(); iest++) { if (error_estimators_surf[iest]->i != i) continue; for (int isurf = 0; isurf < ee[i]->get_num_surf(); isurf++) { /* if (error_estimators_surf[iest].area > 0 && error_estimators_surf[iest].area != surf_pos[isurf].marker) continue; */ if (bnd[isurf]) // Boundary { if (error_estimators_surf[iest]->area == H2D_DG_INNER_EDGE) continue; /* if (boundary_markers_conversion.get_internal_marker(error_estimators_surf[iest].area) < 0 && error_estimators_surf[iest].area != HERMES_ANY) continue; */ err += eval_boundary_estimator(error_estimators_surf[iest], rm, surf_pos); } else // Interface { if (error_estimators_surf[iest]->area != H2D_DG_INNER_EDGE) continue; /* BEGIN COPY FROM DISCRETE_PROBLEM.CPP */ // 5 is for bits per page in the array. LightArray<NeighborSearch*> neighbor_searches(5); unsigned int num_neighbors = 0; DiscreteProblem::NeighborNode* root; int ns_index; dp.min_dg_mesh_seq = 0; for(int j = 0; j < num; j++) if(stage.meshes[j]->get_seq() < dp.min_dg_mesh_seq || j == 0) dp.min_dg_mesh_seq = stage.meshes[j]->get_seq(); ns_index = stage.meshes[i]->get_seq() - dp.min_dg_mesh_seq; // = 0 for single mesh // Determine the minimum mesh seq in this stage. if (multimesh) { // Initialize the NeighborSearches. dp.init_neighbors(neighbor_searches, stage, isurf); // Create a multimesh tree; root = new DiscreteProblem::NeighborNode(NULL, 0); dp.build_multimesh_tree(root, neighbor_searches); // Update all NeighborSearches according to the multimesh tree. // After this, all NeighborSearches in neighbor_searches should have the same count // of neighbors and proper set of transformations // for the central and the neighbor element(s) alike. // Also check that every NeighborSearch has the same number of neighbor elements. for(unsigned int j = 0; j < neighbor_searches.get_size(); j++) if(neighbor_searches.present(j)) { NeighborSearch* ns = neighbor_searches.get(j); dp.update_neighbor_search(ns, root); if(num_neighbors == 0) num_neighbors = ns->n_neighbors; if(ns->n_neighbors != num_neighbors) error("Num_neighbors of different NeighborSearches not matching in KellyTypeAdapt::calc_err_internal."); } } else { NeighborSearch *ns = new NeighborSearch(ee[i], stage.meshes[i]); ns->original_central_el_transform = stage.fns[i]->get_transform(); ns->set_active_edge(isurf); ns->clear_initial_sub_idx(); num_neighbors = ns->n_neighbors; neighbor_searches.add(ns, ns_index); } // Go through all segments of the currently processed interface (segmentation is caused // by hanging nodes on the other side of the interface). for (unsigned int neighbor = 0; neighbor < num_neighbors; neighbor++) { if (ignore_visited_segments) { bool processed = true; for(unsigned int j = 0; j < neighbor_searches.get_size(); j++) if(neighbor_searches.present(j)) if(!neighbor_searches.get(j)->neighbors.at(neighbor)->visited) { processed = false; break; } if (processed) continue; } // Set the active segment in all NeighborSearches for(unsigned int j = 0; j < neighbor_searches.get_size(); j++) if(neighbor_searches.present(j)) { neighbor_searches.get(j)->active_segment = neighbor; neighbor_searches.get(j)->neighb_el = neighbor_searches.get(j)->neighbors[neighbor]; neighbor_searches.get(j)->neighbor_edge = neighbor_searches.get(j)->neighbor_edges[neighbor]; } // Push all the necessary transformations to all functions of this stage. // The important thing is that the transformations to the current subelement are already there. // Also store the current neighbor element and neighbor edge in neighb_el, neighbor_edge. if (multimesh) { for(unsigned int fns_i = 0; fns_i < stage.fns.size(); fns_i++) for(unsigned int trf_i = 0; trf_i < neighbor_searches.get(stage.meshes[fns_i]->get_seq() - dp.min_dg_mesh_seq)->central_n_trans[neighbor]; trf_i++) stage.fns[fns_i]->push_transform(neighbor_searches.get(stage.meshes[fns_i]->get_seq() - dp.min_dg_mesh_seq)->central_transformations[neighbor][trf_i]); } else { // Push the transformations only to the solution on the current mesh for(unsigned int trf_i = 0; trf_i < neighbor_searches.get(ns_index)->central_n_trans[neighbor]; trf_i++) stage.fns[i]->push_transform(neighbor_searches.get(ns_index)->central_transformations[neighbor][trf_i]); } /* END COPY FROM DISCRETE_PROBLEM.CPP */ rm->force_transform(this->sln[i]->get_transform(), this->sln[i]->get_ctm()); // The estimate is multiplied by 0.5 in order to distribute the error equally onto // the two neighboring elements. double central_err = 0.5 * eval_interface_estimator(error_estimators_surf[iest], rm, surf_pos, neighbor_searches, ns_index); double neighb_err = central_err; // Scale the error estimate by the scaling function dependent on the element diameter // (use the central element's diameter). if (use_aposteriori_interface_scaling && interface_scaling_fns[i]) central_err *= interface_scaling_fns[i](ee[i]->get_diameter()); // In the case this edge will be ignored when calculating the error for the element on // the other side, add the now computed error to that element as well. if (ignore_visited_segments) { Element *neighb = neighbor_searches.get(i)->neighb_el; // Scale the error estimate by the scaling function dependent on the element diameter // (use the diameter of the element on the other side). if (use_aposteriori_interface_scaling && interface_scaling_fns[i]) neighb_err *= interface_scaling_fns[i](neighb->get_diameter()); errors_components[i] += central_err + neighb_err; total_error += central_err + neighb_err; errors[i][ee[i]->id] += central_err; errors[i][neighb->id] += neighb_err; } else err += central_err; /* BEGIN COPY FROM DISCRETE_PROBLEM.CPP */ // Clear the transformations from the RefMaps and all functions. if (multimesh) for(unsigned int fns_i = 0; fns_i < stage.fns.size(); fns_i++) stage.fns[fns_i]->set_transform(neighbor_searches.get(stage.meshes[fns_i]->get_seq() - dp.min_dg_mesh_seq)->original_central_el_transform); else stage.fns[i]->set_transform(neighbor_searches.get(ns_index)->original_central_el_transform); rm->set_transform(neighbor_searches.get(ns_index)->original_central_el_transform); /* END COPY FROM DISCRETE_PROBLEM.CPP */ } /* BEGIN COPY FROM DISCRETE_PROBLEM.CPP */ if (multimesh) // Delete the multimesh tree; delete root; // Delete the neighbor_searches array. for(unsigned int j = 0; j < neighbor_searches.get_size(); j++) if(neighbor_searches.present(j)) delete neighbor_searches.get(j); /* END COPY FROM DISCRETE_PROBLEM.CPP */ } } } if (calc_norm) { double nrm = eval_solution_norm(error_form[i][i], rm, sln[i]); norms[i] += nrm; total_norm += nrm; } errors_components[i] += err; total_error += err; errors[i][ee[i]->id] += err; ee[i]->visited = true; } } trav.finish(); // Store the calculation for each solution component separately. if(component_errors != NULL) { component_errors->clear(); for (int i = 0; i < num; i++) { if((error_flags & HERMES_TOTAL_ERROR_MASK) == HERMES_TOTAL_ERROR_ABS) component_errors->push_back(sqrt(errors_components[i])); else if ((error_flags & HERMES_TOTAL_ERROR_MASK) == HERMES_TOTAL_ERROR_REL) component_errors->push_back(sqrt(errors_components[i]/norms[i])); else { error("Unknown total error type (0x%x).", error_flags & HERMES_TOTAL_ERROR_MASK); return -1.0; } } } tmr.tick(); error_time = tmr.accumulated(); // Make the error relative if needed. if ((error_flags & HERMES_ELEMENT_ERROR_MASK) == HERMES_ELEMENT_ERROR_REL) { for (int i = 0; i < num; i++) { Element* e; for_all_active_elements(e, stage.meshes[i]) errors[i][e->id] /= norms[i]; } } this->errors_squared_sum = total_error; // Element error mask is used here, because this variable is used in the adapt() // function, where the processed error (sum of errors of processed element errors) // is matched to this variable. if ((error_flags & HERMES_TOTAL_ERROR_MASK) == HERMES_ELEMENT_ERROR_REL) errors_squared_sum /= total_norm; // Prepare an ordered list of elements according to an error. fill_regular_queue(&(stage.meshes.front())); have_errors = true; if (calc_norm) delete [] norms; delete [] errors_components; // Return error value. if ((error_flags & HERMES_TOTAL_ERROR_MASK) == HERMES_TOTAL_ERROR_ABS) return sqrt(total_error); else if ((error_flags & HERMES_TOTAL_ERROR_MASK) == HERMES_TOTAL_ERROR_REL) return sqrt(total_error / total_norm); else { error("Unknown total error type (0x%x).", error_flags & HERMES_TOTAL_ERROR_MASK); return -1.0; } }