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ref_subdiv.c
2576 lines (2217 loc) · 96.2 KB
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ref_subdiv.c
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/* Copyright 2006, 2014, 2021 United States Government as represented
* by the Administrator of the National Aeronautics and Space
* Administration. No copyright is claimed in the United States under
* Title 17, U.S. Code. All Other Rights Reserved.
*
* The refine version 3 unstructured grid adaptation platform is
* licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include "ref_subdiv.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "ref_adj.h"
#include "ref_cell.h"
#include "ref_malloc.h"
#include "ref_metric.h"
#include "ref_mpi.h"
#include "ref_part.h"
static REF_INT ref_subdiv_c2e(REF_SUBDIV ref_subdiv, REF_CELL ref_cell,
REF_INT cell_edge, REF_INT cell) {
REF_INT node0, node1, edge;
RAE(ref_cell_valid(ref_cell, cell), "invalid cell index");
RAE(cell_edge < ref_cell_edge_per(ref_cell), "invalid edge index");
node0 = ref_cell_e2n(ref_cell, 0, cell_edge, cell);
node1 = ref_cell_e2n(ref_cell, 1, cell_edge, cell);
RSE(ref_edge_with(ref_subdiv_edge(ref_subdiv), node0, node1, &edge),
"look up edge");
return edge;
}
static REF_INT ref_subdiv_map(REF_SUBDIV ref_subdiv, REF_CELL ref_cell,
REF_INT cell) {
REF_INT edge, map, bit;
map = 0;
bit = 1;
for (edge = 0; edge < ref_cell_edge_per(ref_cell); edge++) {
map +=
bit * ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, edge, cell));
bit *= 2;
}
return map;
}
REF_FCN REF_STATUS ref_subdiv_inspect_cell(REF_SUBDIV ref_subdiv,
REF_CELL ref_cell, REF_INT cell) {
REF_NODE ref_node = ref_grid_node(ref_subdiv_grid(ref_subdiv));
REF_INT cell_node, edge;
for (edge = 0; edge < ref_cell_edge_per(ref_cell); edge++) {
printf(" %d",
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, edge, cell)));
}
printf(" cell %d rank %d", cell, ref_mpi_rank(ref_subdiv_mpi(ref_subdiv)));
each_ref_cell_cell_node(ref_cell, cell_node) {
printf(" " REF_GLOB_FMT,
ref_node_global(ref_node, ref_cell_c2n(ref_cell, cell_node, cell)));
}
printf("\n");
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_inspect_global(REF_SUBDIV ref_subdiv,
REF_INT global0, REF_INT global1) {
REF_NODE ref_node = ref_grid_node(ref_subdiv_grid(ref_subdiv));
REF_CELL ref_cell;
REF_INT node0, node1;
REF_INT edge, part;
REF_INT group, item, node, cell;
RXS(ref_node_local(ref_node, global0, &node0), REF_NOT_FOUND, "g2l0");
RXS(ref_node_local(ref_node, global1, &node1), REF_NOT_FOUND, "g2l1");
if (REF_EMPTY == node0 || REF_EMPTY == node1) return REF_SUCCESS;
RSS(ref_edge_with(ref_subdiv_edge(ref_subdiv), node0, node1, &edge), "with");
RSS(ref_edge_part(ref_subdiv_edge(ref_subdiv), edge, &part), "part");
printf(" mark %d edge %d rank %d part %d global %d %d\n",
ref_subdiv_mark(ref_subdiv, edge), edge,
ref_mpi_rank(ref_subdiv_mpi(ref_subdiv)), part, global0, global1);
each_ref_grid_3d_ref_cell(ref_subdiv_grid(ref_subdiv), group, ref_cell) {
each_ref_cell_having_node2(ref_cell, node0, node1, item, node, cell) {
RSS(ref_subdiv_inspect_cell(ref_subdiv, ref_cell, cell), "insp");
}
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_map_to_edge(REF_INT map) {
REF_INT edge, bit;
bit = 2048;
for (edge = 11; edge >= 0; edge--) {
if (map >= bit) {
map -= bit;
printf("edge %d bit %d\n", edge, bit);
}
bit /= 2;
}
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_create(REF_SUBDIV *ref_subdiv_ptr,
REF_GRID ref_grid) {
REF_SUBDIV ref_subdiv;
ref_malloc(*ref_subdiv_ptr, 1, REF_SUBDIV_STRUCT);
ref_subdiv = *ref_subdiv_ptr;
ref_subdiv_grid(ref_subdiv) = ref_grid;
RSS(ref_edge_create(&(ref_subdiv_edge(ref_subdiv)),
ref_subdiv_grid(ref_subdiv)),
"create edge");
ref_malloc_init(ref_subdiv->mark, ref_edge_n(ref_subdiv_edge(ref_subdiv)),
REF_INT, 0);
ref_malloc_init(ref_subdiv->node, ref_edge_n(ref_subdiv_edge(ref_subdiv)),
REF_INT, REF_EMPTY);
ref_subdiv->allow_geometry = REF_TRUE;
ref_subdiv->new_mark_allowed = REF_TRUE;
ref_subdiv->instrument = REF_FALSE;
ref_subdiv->debug = REF_FALSE;
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_free(REF_SUBDIV ref_subdiv) {
if (NULL == (void *)ref_subdiv) return REF_NULL;
ref_free(ref_subdiv->node);
ref_free(ref_subdiv->mark);
RSS(ref_edge_free(ref_subdiv_edge(ref_subdiv)), "free edge");
ref_free(ref_subdiv);
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_inspect(REF_SUBDIV ref_subdiv) {
REF_INT group, cell, cell_edge, edge, map;
REF_CELL ref_cell;
each_ref_grid_3d_ref_cell(ref_subdiv_grid(ref_subdiv), group, ref_cell) {
each_ref_cell_valid_cell(ref_cell, cell) {
map = ref_subdiv_map(ref_subdiv, ref_cell, cell);
printf(" group %d cell %d map %d\n", group, cell, map);
each_ref_cell_cell_edge(ref_cell, cell_edge) {
edge = ref_subdiv_c2e(ref_subdiv, ref_cell, cell_edge, cell);
printf(" edge %d nodes %d %d mark %d\n", edge,
ref_cell_e2n(ref_cell, 0, cell_edge, cell),
ref_cell_e2n(ref_cell, 1, cell_edge, cell),
ref_subdiv_mark(ref_subdiv, edge));
}
}
}
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_mark_n(REF_SUBDIV ref_subdiv, REF_INT *n) {
REF_INT edge, part;
*n = 0;
for (edge = 0; edge < ref_edge_n(ref_subdiv_edge(ref_subdiv)); edge++)
if (0 != ref_subdiv_mark(ref_subdiv, edge)) {
RSS(ref_edge_part(ref_subdiv_edge(ref_subdiv), edge, &part), "edge part")
if (part == ref_mpi_rank(ref_subdiv_mpi(ref_subdiv))) (*n)++;
}
RSS(ref_mpi_allsum(ref_subdiv_mpi(ref_subdiv), n, 1, REF_INT_TYPE), "allsum");
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_mark_to_split(REF_SUBDIV ref_subdiv,
REF_INT node0, REF_INT node1) {
REF_INT edge;
RSS(ref_edge_with(ref_subdiv_edge(ref_subdiv), node0, node1, &edge),
"missing edge");
ref_subdiv_mark(ref_subdiv, edge) = 1;
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_mark_all(REF_SUBDIV ref_subdiv) {
REF_INT edge;
for (edge = 0; edge < ref_edge_n(ref_subdiv_edge(ref_subdiv)); edge++)
ref_subdiv_mark(ref_subdiv, edge) = 1;
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_mark_prism_by_metric(REF_SUBDIV ref_subdiv) {
REF_NODE ref_node = ref_grid_node(ref_subdiv_grid(ref_subdiv));
REF_CELL ref_cell = ref_grid_pri(ref_subdiv_grid(ref_subdiv));
REF_INT cell, cell_edge;
REF_INT node0, node1;
REF_DBL ratio, ratio_limit;
REF_INT tri_cell_edge;
REF_INT pri_tri_cell_edge[] = {0, 1, 3, 6, 7, 8};
ratio_limit = sqrt(2.0);
each_ref_cell_valid_cell(ref_cell, cell) {
for (tri_cell_edge = 0; tri_cell_edge < 6; tri_cell_edge++) {
cell_edge = pri_tri_cell_edge[tri_cell_edge];
node0 = ref_cell_e2n(ref_cell, 0, cell_edge, cell);
node1 = ref_cell_e2n(ref_cell, 1, cell_edge, cell);
RSS(ref_node_ratio(ref_node, node0, node1, &ratio), "ratio");
if (ratio > ratio_limit)
RSS(ref_subdiv_mark_to_split(ref_subdiv, node0, node1), "sp");
}
}
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_mark_prism_by_ratio(REF_SUBDIV ref_subdiv,
REF_DBL *node_ratio) {
REF_CELL ref_cell = ref_grid_pri(ref_subdiv_grid(ref_subdiv));
REF_INT cell, cell_edge;
REF_INT node0, node1;
REF_DBL ratio_limit;
REF_INT tri_cell_edge;
REF_INT pri_tri_cell_edge[] = {0, 1, 3, 6, 7, 8};
ratio_limit = 0.5 * sqrt(2.0);
each_ref_cell_valid_cell(ref_cell, cell) {
for (tri_cell_edge = 0; tri_cell_edge < 6; tri_cell_edge++) {
cell_edge = pri_tri_cell_edge[tri_cell_edge];
node0 = ref_cell_e2n(ref_cell, 0, cell_edge, cell);
node1 = ref_cell_e2n(ref_cell, 1, cell_edge, cell);
if (node_ratio[node0] < ratio_limit && node_ratio[node1] < ratio_limit)
RSS(ref_subdiv_mark_to_split(ref_subdiv, node0, node1), "sp");
}
}
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_mark_prism_sides(REF_SUBDIV ref_subdiv) {
REF_CELL ref_cell = ref_grid_pri(ref_subdiv_grid(ref_subdiv));
REF_INT cell, cell_edge;
REF_INT node0, node1;
REF_INT pri_side_edge;
REF_INT pri_side_cell_edge[] = {2, 4, 5};
each_ref_cell_valid_cell(ref_cell, cell) {
for (pri_side_edge = 0; pri_side_edge < 3; pri_side_edge++) {
cell_edge = pri_side_cell_edge[pri_side_edge];
node0 = ref_cell_e2n(ref_cell, 0, cell_edge, cell);
node1 = ref_cell_e2n(ref_cell, 1, cell_edge, cell);
RSS(ref_subdiv_mark_to_split(ref_subdiv, node0, node1), "sd");
}
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_node_between(REF_SUBDIV ref_subdiv,
REF_INT node0, REF_INT node1,
REF_INT *new_node) {
REF_INT edge;
(*new_node) = REF_EMPTY;
RSS(ref_edge_with(ref_subdiv_edge(ref_subdiv), node0, node1, &edge),
"missing edge");
(*new_node) = ref_subdiv_node(ref_subdiv, edge);
return REF_SUCCESS;
}
#define edge_or(ce0, ce1) \
{ \
REF_INT ge0, ge1; \
ge0 = ref_subdiv_c2e(ref_subdiv, ref_cell, ce0, cell); \
ge1 = ref_subdiv_c2e(ref_subdiv, ref_cell, ce1, cell); \
if (ref_subdiv_mark(ref_subdiv, ge0) != \
ref_subdiv_mark(ref_subdiv, ge1)) { \
again = REF_TRUE; \
ref_subdiv_mark(ref_subdiv, ge0) = 1; \
ref_subdiv_mark(ref_subdiv, ge1) = 1; \
} \
}
#define promote_2_3(ce0, ce1, ce2) \
{ \
REF_INT ge0, ge1, ge2, sum; \
ge0 = ref_subdiv_c2e(ref_subdiv, ref_cell, ce0, cell); \
ge1 = ref_subdiv_c2e(ref_subdiv, ref_cell, ce1, cell); \
ge2 = ref_subdiv_c2e(ref_subdiv, ref_cell, ce2, cell); \
sum = ref_subdiv_mark(ref_subdiv, ge0) + \
ref_subdiv_mark(ref_subdiv, ge1) + ref_subdiv_mark(ref_subdiv, ge2); \
if (2 == sum) { \
again = REF_TRUE; \
ref_subdiv_mark(ref_subdiv, ge0) = 1; \
ref_subdiv_mark(ref_subdiv, ge1) = 1; \
ref_subdiv_mark(ref_subdiv, ge2) = 1; \
} \
}
#define promote_2_all() \
{ \
REF_INT ge0, ge1, ge2, ge3, ge4, ge5, sum; \
ge0 = ref_subdiv_c2e(ref_subdiv, ref_cell, 0, cell); \
ge1 = ref_subdiv_c2e(ref_subdiv, ref_cell, 1, cell); \
ge2 = ref_subdiv_c2e(ref_subdiv, ref_cell, 2, cell); \
ge3 = ref_subdiv_c2e(ref_subdiv, ref_cell, 3, cell); \
ge4 = ref_subdiv_c2e(ref_subdiv, ref_cell, 4, cell); \
ge5 = ref_subdiv_c2e(ref_subdiv, ref_cell, 5, cell); \
sum = \
ref_subdiv_mark(ref_subdiv, ge0) + ref_subdiv_mark(ref_subdiv, ge1) + \
ref_subdiv_mark(ref_subdiv, ge2) + ref_subdiv_mark(ref_subdiv, ge3) + \
ref_subdiv_mark(ref_subdiv, ge4) + ref_subdiv_mark(ref_subdiv, ge5); \
if (2 == sum) \
if ((ge0 > 0 && ge5 > 0) || (ge1 > 0 && ge4 > 0) || \
(ge2 > 0 && ge1 > 3)) { \
again = REF_TRUE; \
ref_subdiv_mark(ref_subdiv, \
ref_subdiv_c2e(ref_subdiv, ref_cell, 0, cell)) = 1; \
ref_subdiv_mark(ref_subdiv, \
ref_subdiv_c2e(ref_subdiv, ref_cell, 1, cell)) = 1; \
ref_subdiv_mark(ref_subdiv, \
ref_subdiv_c2e(ref_subdiv, ref_cell, 2, cell)) = 1; \
ref_subdiv_mark(ref_subdiv, \
ref_subdiv_c2e(ref_subdiv, ref_cell, 3, cell)) = 1; \
ref_subdiv_mark(ref_subdiv, \
ref_subdiv_c2e(ref_subdiv, ref_cell, 4, cell)) = 1; \
ref_subdiv_mark(ref_subdiv, \
ref_subdiv_c2e(ref_subdiv, ref_cell, 5, cell)) = 1; \
} \
}
REF_FCN REF_STATUS ref_subdiv_mark_relax(REF_SUBDIV ref_subdiv) {
REF_INT group, cell, nsweeps, nmark;
REF_CELL ref_cell;
REF_BOOL again;
RSS(ref_edge_ghost_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
nsweeps = 0;
again = REF_TRUE;
while (again) {
nsweeps++;
again = REF_FALSE;
each_ref_grid_3d_ref_cell(ref_subdiv_grid(ref_subdiv), group, ref_cell) {
each_ref_cell_valid_cell(ref_cell, cell) {
switch (ref_cell_node_per(ref_cell)) {
case 4:
promote_2_3(3, 4, 5);
promote_2_3(1, 2, 5);
promote_2_3(0, 2, 4);
promote_2_3(0, 1, 3);
promote_2_all();
break;
case 5:
edge_or(0, 7); /* opposite quad edges */
edge_or(2, 4); /* opposite quad edges */
break;
case 6:
edge_or(0, 6);
edge_or(3, 8);
edge_or(1, 7);
promote_2_3(0, 1, 3);
promote_2_3(6, 7, 8);
break;
default:
RSS(REF_IMPLEMENT, "implement cell type");
break;
}
}
}
RSS(ref_edge_ghost_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
RSS(ref_mpi_all_or(ref_subdiv_mpi(ref_subdiv), &again), "mpi all or");
}
if (ref_subdiv->instrument) {
RSS(ref_subdiv_mark_n(ref_subdiv, &nmark), "count");
if (ref_mpi_once(ref_subdiv_mpi(ref_subdiv)))
printf(" %d edges marked after %d relaxations\n", nmark, nsweeps);
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_unmark_one_of_two(REF_SUBDIV ref_subdiv,
REF_INT e0, REF_INT e1) {
REF_NODE ref_node = ref_grid_node(ref_subdiv_grid(ref_subdiv));
REF_EDGE ref_edge = ref_subdiv_edge(ref_subdiv);
REF_GLOB e0min, e0max;
REF_GLOB e1min, e1max;
/* unmark the edge with the smallest edge globals */
e0min = MIN(ref_node_global(ref_node, ref_edge_e2n(ref_edge, 0, e0)),
ref_node_global(ref_node, ref_edge_e2n(ref_edge, 1, e0)));
e0max = MAX(ref_node_global(ref_node, ref_edge_e2n(ref_edge, 0, e0)),
ref_node_global(ref_node, ref_edge_e2n(ref_edge, 1, e0)));
e1min = MIN(ref_node_global(ref_node, ref_edge_e2n(ref_edge, 0, e1)),
ref_node_global(ref_node, ref_edge_e2n(ref_edge, 1, e1)));
e1max = MAX(ref_node_global(ref_node, ref_edge_e2n(ref_edge, 0, e1)),
ref_node_global(ref_node, ref_edge_e2n(ref_edge, 1, e1)));
if (e0min == e1min) {
if (e0max < e1max) {
ref_subdiv_mark(ref_subdiv, e1) = 0;
} else {
ref_subdiv_mark(ref_subdiv, e0) = 0;
}
} else {
if (e0min < e1min) {
ref_subdiv_mark(ref_subdiv, e1) = 0;
} else {
ref_subdiv_mark(ref_subdiv, e0) = 0;
}
}
if (ref_subdiv->debug)
printf("unmark one of two proc %d edges %d %d\n",
ref_mpi_rank(ref_subdiv_mpi(ref_subdiv)), e0, e1);
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_unmark_tet_face(
REF_SUBDIV ref_subdiv, REF_CELL ref_cell, REF_INT cell, REF_BOOL *again,
REF_INT s0, REF_INT s1, REF_INT s2) {
REF_INT e0, e1, e2;
e0 = ref_subdiv_c2e(ref_subdiv, ref_cell, s0, cell);
e1 = ref_subdiv_c2e(ref_subdiv, ref_cell, s1, cell);
e2 = ref_subdiv_c2e(ref_subdiv, ref_cell, s2, cell);
if (ref_subdiv_mark(ref_subdiv, e0) && ref_subdiv_mark(ref_subdiv, e1) &&
!ref_subdiv_mark(ref_subdiv, e2)) {
ref_subdiv_unmark_one_of_two(ref_subdiv, e0, e1);
*again = REF_TRUE;
}
if (ref_subdiv_mark(ref_subdiv, e0) && !ref_subdiv_mark(ref_subdiv, e1) &&
ref_subdiv_mark(ref_subdiv, e2)) {
ref_subdiv_unmark_one_of_two(ref_subdiv, e0, e2);
*again = REF_TRUE;
}
if (!ref_subdiv_mark(ref_subdiv, e0) && ref_subdiv_mark(ref_subdiv, e1) &&
ref_subdiv_mark(ref_subdiv, e2)) {
ref_subdiv_unmark_one_of_two(ref_subdiv, e1, e2);
*again = REF_TRUE;
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_unmark_tet_opp_edge(
REF_SUBDIV ref_subdiv, REF_CELL ref_cell, REF_INT cell, REF_BOOL *again,
REF_INT s0, REF_INT s1) {
REF_INT e0, e1;
e0 = ref_subdiv_c2e(ref_subdiv, ref_cell, s0, cell);
e1 = ref_subdiv_c2e(ref_subdiv, ref_cell, s1, cell);
if (ref_subdiv_mark(ref_subdiv, e0) && ref_subdiv_mark(ref_subdiv, e1)) {
ref_subdiv_unmark_one_of_two(ref_subdiv, e0, e1);
if (ref_subdiv->debug)
printf("unmark tet opp proc %d cell %d sides %d %d edges %d %d\n",
ref_mpi_rank(ref_subdiv_mpi(ref_subdiv)), cell, s0, s1, e0, e1);
*again = REF_TRUE;
}
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_unmark_tet(REF_SUBDIV ref_subdiv, REF_INT cell,
REF_BOOL *again) {
REF_CELL ref_cell = ref_grid_tet(ref_subdiv_grid(ref_subdiv));
REF_INT sum;
RSS(ref_subdiv_unmark_tet_face(ref_subdiv, ref_cell, cell, again, 3, 4, 5),
"face 0");
RSS(ref_subdiv_unmark_tet_face(ref_subdiv, ref_cell, cell, again, 1, 2, 5),
"face 1");
RSS(ref_subdiv_unmark_tet_face(ref_subdiv, ref_cell, cell, again, 0, 4, 2),
"face 2");
RSS(ref_subdiv_unmark_tet_face(ref_subdiv, ref_cell, cell, again, 0, 1, 3),
"face 3");
sum = ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, 0, cell)) +
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, 1, cell)) +
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, 2, cell)) +
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, 3, cell)) +
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, 4, cell)) +
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, 5, cell));
if (2 == sum) {
RSS(ref_subdiv_unmark_tet_opp_edge(ref_subdiv, ref_cell, cell, again, 0, 5),
"edges 0-5");
RSS(ref_subdiv_unmark_tet_opp_edge(ref_subdiv, ref_cell, cell, again, 1, 4),
"edges 1-4");
RSS(ref_subdiv_unmark_tet_opp_edge(ref_subdiv, ref_cell, cell, again, 2, 3),
"edges 2-3");
}
return REF_SUCCESS;
}
REF_FCN REF_STATUS ref_subdiv_unmark_relax(REF_SUBDIV ref_subdiv) {
REF_INT group, cell, nsweeps, nmark;
REF_CELL ref_cell;
REF_BOOL again;
/* make sure consistent before starting */
RSS(ref_edge_ghost_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
nsweeps = 0;
again = REF_TRUE;
while (again) {
nsweeps++;
again = REF_FALSE;
each_ref_grid_3d_ref_cell(ref_subdiv_grid(ref_subdiv), group, ref_cell) {
each_ref_cell_valid_cell(ref_cell, cell) {
switch (ref_cell_node_per(ref_cell)) {
case 4:
RSS(ref_subdiv_unmark_tet(ref_subdiv, cell, &again), "unmark tet");
break;
default:
/* RSS(REF_IMPLEMENT,"implement cell type"); */
break;
}
}
}
/* most conservative, unmark if any ghosts unmarked */
RSS(ref_edge_ghost_min_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
if (nsweeps > 5) {
RSS(ref_subdiv_mark_n(ref_subdiv, &nmark), "count");
if (ref_mpi_once(ref_subdiv_mpi(ref_subdiv)))
printf(" %d edges marked after %d unmark relaxations\n", nmark,
nsweeps);
}
RUS(200, nsweeps, "too many sweeps, stop inf loop");
RSS(ref_mpi_all_or(ref_subdiv_mpi(ref_subdiv), &again), "mpi all or");
}
if (ref_subdiv->instrument) {
RSS(ref_subdiv_mark_n(ref_subdiv, &nmark), "count");
if (ref_mpi_once(ref_subdiv_mpi(ref_subdiv)))
printf(" %d edges marked after %d unmark relaxations\n", nmark, nsweeps);
}
return REF_SUCCESS;
}
#define node_swap(nodes, a, b) \
{ \
REF_INT nst; \
nst = (nodes)[(a)]; \
(nodes)[(a)] = (nodes)[(b)]; \
(nodes)[(b)] = nst; \
}
REF_FCN static REF_STATUS ref_subdiv_unmark_neg_tet_geom_support(
REF_SUBDIV ref_subdiv, REF_BOOL *again) {
REF_NODE ref_node = ref_grid_node(ref_subdiv_grid(ref_subdiv));
REF_CELL ref_cell = ref_grid_tet(ref_subdiv_grid(ref_subdiv));
REF_INT cell, nodes[REF_CELL_MAX_SIZE_PER], new_nodes[REF_CELL_MAX_SIZE_PER];
REF_INT map;
REF_INT node;
REF_INT edge, split_edge, global_edge;
REF_INT n0, n1, n2, n3;
REF_INT e0, e1, e2, e3, e4, e5;
REF_DBL volume;
REF_BOOL unmark_cell;
each_ref_cell_valid_cell(ref_cell, cell) {
unmark_cell = REF_FALSE;
map = ref_subdiv_map(ref_subdiv, ref_cell, cell);
RSS(ref_cell_nodes(ref_cell, cell, nodes), "nodes");
switch (map) {
case 0: /* don't split */
break;
case 1:
case 2:
case 4:
case 8:
case 16:
case 32:
split_edge = REF_EMPTY;
for (edge = 0; edge < ref_cell_edge_per(ref_cell); edge++)
if (ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, edge, cell)))
split_edge = edge;
RAS(REF_EMPTY != split_edge, "edge not found");
global_edge = ref_subdiv_c2e(ref_subdiv, ref_cell, split_edge, cell);
for (node = 0; node < 4; node++) new_nodes[node] = nodes[node];
new_nodes[ref_cell_e2n_gen(ref_cell, 0, split_edge)] =
ref_subdiv_node(ref_subdiv, global_edge);
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
for (node = 0; node < 4; node++) new_nodes[node] = nodes[node];
new_nodes[ref_cell_e2n_gen(ref_cell, 1, split_edge)] =
ref_subdiv_node(ref_subdiv, global_edge);
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
break;
case 11:
case 56:
case 38:
case 21:
/* orient cell for other cases */
if (56 == map) {
node_swap(nodes, 0, 3);
node_swap(nodes, 1, 2);
}
if (38 == map) {
node_swap(nodes, 1, 3);
node_swap(nodes, 0, 2);
}
if (21 == map) {
node_swap(nodes, 2, 3);
node_swap(nodes, 0, 1);
}
/* near node 0 */
for (node = 0; node < 4; node++) new_nodes[node] = nodes[node];
RSS(ref_subdiv_node_between(ref_subdiv, nodes[0], nodes[1],
&(new_nodes[1])),
"mis");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[0], nodes[2],
&(new_nodes[2])),
"mis");
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
/* near node 1 */
for (node = 0; node < 4; node++) new_nodes[node] = nodes[node];
RSS(ref_subdiv_node_between(ref_subdiv, nodes[1], nodes[0],
&(new_nodes[0])),
"mis");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[1], nodes[2],
&(new_nodes[2])),
"mis");
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
/* near node 2 */
for (node = 0; node < 4; node++) new_nodes[node] = nodes[node];
RSS(ref_subdiv_node_between(ref_subdiv, nodes[2], nodes[0],
&(new_nodes[0])),
"mis");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[2], nodes[1],
&(new_nodes[1])),
"mis");
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
/* center */
for (node = 0; node < 4; node++) new_nodes[node] = nodes[node];
RSS(ref_subdiv_node_between(ref_subdiv, nodes[0], nodes[1],
&(new_nodes[0])),
"mis");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[1], nodes[2],
&(new_nodes[1])),
"mis");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[2], nodes[0],
&(new_nodes[2])),
"mis");
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
break;
case 63:
n0 = nodes[0];
n1 = nodes[1];
n2 = nodes[2];
n3 = nodes[3];
RSS(ref_subdiv_node_between(ref_subdiv, nodes[0], nodes[1], &e0), "e");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[0], nodes[2], &e1), "e");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[0], nodes[3], &e2), "e");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[1], nodes[2], &e3), "e");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[1], nodes[3], &e4), "e");
RSS(ref_subdiv_node_between(ref_subdiv, nodes[2], nodes[3], &e5), "e");
new_nodes[0] = e0;
new_nodes[1] = e2;
new_nodes[2] = e1;
new_nodes[3] = n0;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e0;
new_nodes[1] = e3;
new_nodes[2] = e4;
new_nodes[3] = n1;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e1;
new_nodes[1] = e5;
new_nodes[2] = e3;
new_nodes[3] = n2;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e2;
new_nodes[1] = e4;
new_nodes[2] = e5;
new_nodes[3] = n3;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e0;
new_nodes[1] = e5;
new_nodes[2] = e1;
new_nodes[3] = e2;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e0;
new_nodes[1] = e5;
new_nodes[2] = e2;
new_nodes[3] = e4;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e0;
new_nodes[1] = e5;
new_nodes[2] = e4;
new_nodes[3] = e3;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
new_nodes[0] = e0;
new_nodes[1] = e5;
new_nodes[2] = e3;
new_nodes[3] = e1;
RSS(ref_node_tet_vol(ref_node, new_nodes, &volume), "split vol");
if (ref_node_min_volume(ref_node) > volume) unmark_cell = REF_TRUE;
break;
}
if (unmark_cell) {
*again = REF_TRUE;
for (edge = 0; edge < ref_cell_edge_per(ref_cell); edge++) {
ref_subdiv_mark(ref_subdiv,
ref_subdiv_c2e(ref_subdiv, ref_cell, edge, cell)) = 0;
}
}
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_unmark_neg_tet_relax(
REF_SUBDIV ref_subdiv) {
REF_INT nsweeps, nmark;
REF_BOOL again;
nsweeps = 0;
again = REF_TRUE;
while (again) {
nsweeps++;
again = REF_FALSE;
/* also makes consistent before/after */
RSS(ref_subdiv_unmark_relax(ref_subdiv), "unmark relax inside neg tet");
/* needs post sync for consistency */
RSS(ref_subdiv_unmark_neg_tet_geom_support(ref_subdiv, &again), "neg geom");
/* most conservative, unmark if any ghosts unmarked */
RSS(ref_edge_ghost_min_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
if (nsweeps > 5) {
RSS(ref_subdiv_mark_n(ref_subdiv, &nmark), "count");
if (ref_mpi_once(ref_subdiv_mpi(ref_subdiv)))
printf(" %d edges marked after %d unmark neg geom tet relaxations\n",
nmark, nsweeps);
}
RUS(200, nsweeps, "too many unmark neg geom tet sweeps, stop inf loop");
RSS(ref_mpi_all_or(ref_subdiv_mpi(ref_subdiv), &again), "mpi all or");
}
/* not be required but here for safety? */
RSS(ref_edge_ghost_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
if (ref_subdiv->instrument) {
RSS(ref_subdiv_mark_n(ref_subdiv, &nmark), "count");
if (ref_mpi_once(ref_subdiv_mpi(ref_subdiv)))
printf(" %d edges marked after %d neg geom tet unmark relaxations\n",
nmark, nsweeps);
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_unmark_geom_support(
REF_SUBDIV ref_subdiv) {
REF_EDGE ref_edge = ref_subdiv_edge(ref_subdiv);
REF_INT edge;
REF_BOOL needs_support;
RSS(ref_edge_ghost_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
for (edge = 0; edge < ref_edge_n(ref_edge); edge++) {
if (ref_subdiv_mark(ref_subdiv, edge)) {
RSS(ref_geom_support_between(
ref_subdiv_grid(ref_subdiv), ref_edge_e2n(ref_edge, 0, edge),
ref_edge_e2n(ref_edge, 1, edge), &needs_support),
"support check");
if (needs_support) ref_subdiv_mark(ref_subdiv, edge) = 0;
}
}
/* not be required but here for safety? */
RSS(ref_edge_ghost_int(ref_subdiv_edge(ref_subdiv),
ref_subdiv_mpi(ref_subdiv), ref_subdiv->mark),
"ghost mark");
if (ref_subdiv->instrument) {
REF_INT nmark;
RSS(ref_subdiv_mark_n(ref_subdiv, &nmark), "count");
if (ref_mpi_once(ref_subdiv_mpi(ref_subdiv)))
printf(" %d edges marked without geom support\n", nmark);
}
return REF_SUCCESS;
}
REF_FCN static REF_STATUS ref_subdiv_new_node(REF_SUBDIV ref_subdiv) {
REF_GRID ref_grid = ref_subdiv_grid(ref_subdiv);
REF_NODE ref_node = ref_grid_node(ref_subdiv_grid(ref_subdiv));
REF_EDGE ref_edge = ref_subdiv_edge(ref_subdiv);
REF_MPI ref_mpi = ref_subdiv_mpi(ref_subdiv);
REF_GEOM ref_geom = ref_grid_geom(ref_grid);
REF_INT edge, node, i;
REF_GLOB global;
REF_INT part;
REF_GLOB *edge_global;
REF_INT *edge_part;
REF_DBL *edge_real;
REF_DBL *edge_aux;
/* remove previously created new_node that is unmarked */
for (edge = 0; edge < ref_edge_n(ref_edge); edge++) {
if (!ref_subdiv_mark(ref_subdiv, edge) &&
REF_EMPTY != ref_subdiv_node(ref_subdiv, edge)) {
node = ref_subdiv_node(ref_subdiv, edge);
RSS(ref_geom_remove_all(ref_geom, node), "remove geom from node");
RSS(ref_edge_part(ref_edge, edge, &part), "edge part");
if (ref_mpi_rank(ref_mpi) == part) {
RSS(ref_node_remove(ref_node, node), "owned, rm node with global");
} else {
RSS(ref_node_remove_without_global(ref_node, node),
"ghost, rm node without global");
}
ref_subdiv_node(ref_subdiv, edge) = REF_EMPTY;
}
}
RSS(ref_node_synchronize_globals(ref_node), "sync glob");
for (edge = 0; edge < ref_edge_n(ref_edge); edge++) {
if (ref_subdiv_mark(ref_subdiv, edge) &&
REF_EMPTY == ref_subdiv_node(ref_subdiv, edge)) {
RSS(ref_edge_part(ref_edge, edge, &part), "edge part");
if (ref_mpi_rank(ref_mpi) == part) {
RSS(ref_node_next_global(ref_node, &global), "next global");
RSS(ref_node_add(ref_node, global, &node), "add node");
ref_subdiv_node(ref_subdiv, edge) = node;
RSS(ref_node_interpolate_edge(ref_node, ref_edge_e2n(ref_edge, 0, edge),
ref_edge_e2n(ref_edge, 1, edge), 0.5,
node),
"new node");
RSS(ref_geom_add_between(ref_grid, ref_edge_e2n(ref_edge, 0, edge),
ref_edge_e2n(ref_edge, 1, edge), 0.5, node),
"new node");
RSS(ref_geom_constrain(ref_grid, node), "geom constraint");
RSS(ref_metric_interpolate_between(
ref_grid, ref_edge_e2n(ref_edge, 0, edge),
ref_edge_e2n(ref_edge, 1, edge), node),
"interp new metric");
}
}
}
RSS(ref_node_shift_new_globals(ref_node), "shift glob");
ref_malloc_init(edge_global, ref_edge_n(ref_edge), REF_GLOB, REF_EMPTY);
ref_malloc_init(edge_part, ref_edge_n(ref_edge), REF_INT, REF_EMPTY);
ref_malloc_init(edge_real, REF_NODE_REAL_PER * ref_edge_n(ref_edge), REF_DBL,
-999.0);
edge_aux = NULL;
if (ref_node_naux(ref_node) > 0)
ref_malloc_init(edge_aux, ref_node_naux(ref_node) * ref_edge_n(ref_edge),
REF_DBL, 0.0);
for (edge = 0; edge < ref_edge_n(ref_edge); edge++) {
node = ref_subdiv_node(ref_subdiv, edge);
if (REF_EMPTY != node) {
RSS(ref_edge_part(ref_edge, edge, &part), "edge part");
if (ref_mpi_rank(ref_mpi) == part) {
edge_global[edge] = ref_node_global(ref_node, node);
edge_part[edge] = ref_node_part(ref_node, node);
for (i = 0; i < REF_NODE_REAL_PER; i++)
edge_real[i + REF_NODE_REAL_PER * edge] =
ref_node_real(ref_node, i, node);
for (i = 0; i < ref_node_naux(ref_node); i++)
edge_aux[i + ref_node_naux(ref_node) * edge] =
ref_node_aux(ref_node, i, node);
}
}
}
RSS(ref_edge_ghost_glob(ref_edge, ref_mpi, edge_global), "global ghost");
RSS(ref_edge_ghost_int(ref_edge, ref_mpi, edge_part), "part ghost");
RSS(ref_edge_ghost_dbl(ref_edge, ref_mpi, edge_real, REF_NODE_REAL_PER),
"xyz ghost");
if (ref_node_naux(ref_node) > 0)
RSS(ref_edge_ghost_dbl(ref_edge, ref_mpi, edge_aux,
ref_node_naux(ref_node)),
"aux ghost");
for (edge = 0; edge < ref_edge_n(ref_edge); edge++) {
global = edge_global[edge];
if (REF_EMPTY != global) {
/* finds local if already inserted */
RSS(ref_node_add(ref_node, global, &node), "add node");
ref_subdiv_node(ref_subdiv, edge) = node;
ref_node_part(ref_node, node) = edge_part[edge];
for (i = 0; i < REF_NODE_REAL_PER; i++)
ref_node_real(ref_node, i, node) =
edge_real[i + REF_NODE_REAL_PER * edge];
for (i = 0; i < ref_node_naux(ref_node); i++)
ref_node_aux(ref_node, i, node) =
edge_aux[i + ref_node_naux(ref_node) * edge];
}
}
RSS(ref_geom_ghost(ref_geom, ref_node), "fill new node geom");