1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
|
/*<html><pre> -<a href="qh-poly_r.htm"
>-------------------------------</a><a name="TOP">-</a>
poly_r.h
header file for poly_r.c and poly2_r.c
see qh-poly_r.htm, libqhull_r.h and poly_r.c
Copyright (c) 1993-2020 The Geometry Center.
$Id: //main/2019/qhull/src/libqhull_r/poly_r.h#5 $$Change: 2963 $
$DateTime: 2020/06/03 19:31:01 $$Author: bbarber $
*/
#ifndef qhDEFpoly
#define qhDEFpoly 1
#include "libqhull_r.h"
/*=============== constants ========================== */
/*-<a href="qh-geom_r.htm#TOC"
>--------------------------------</a><a name="ALGORITHMfault">-</a>
qh_ALGORITHMfault
use as argument to checkconvex() to report errors during buildhull
*/
#define qh_ALGORITHMfault 0
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="DATAfault">-</a>
qh_DATAfault
use as argument to checkconvex() to report errors during initialhull
*/
#define qh_DATAfault 1
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="DUPLICATEridge">-</a>
qh_DUPLICATEridge
special value for facet->neighbor to indicate a duplicate ridge
notes:
set by qh_matchneighbor for qh_matchdupridge
*/
#define qh_DUPLICATEridge (facetT *)1L
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="MERGEridge">-</a>
qh_MERGEridge flag in facet
special value for facet->neighbor to indicate a duplicate ridge that needs merging
notes:
set by qh_matchnewfacets..qh_matchdupridge from qh_DUPLICATEridge
used by qh_mark_dupridges to set facet->mergeridge, facet->mergeridge2 from facet->dupridge
*/
#define qh_MERGEridge (facetT *)2L
/*============ -structures- ====================*/
/*=========== -macros- =========================*/
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FORALLfacet_">-</a>
FORALLfacet_( facetlist ) { ... }
assign 'facet' to each facet in facetlist
notes:
uses 'facetT *facet;'
assumes last facet is a sentinel
see:
FORALLfacets
*/
#define FORALLfacet_( facetlist ) if (facetlist) for ( facet=(facetlist); facet && facet->next; facet= facet->next )
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FORALLnew_facets">-</a>
FORALLnew_facets { ... }
assign 'newfacet' to each facet in qh.newfacet_list
notes:
uses 'facetT *newfacet;'
at exit, newfacet==NULL
*/
#define FORALLnew_facets for ( newfacet=qh->newfacet_list; newfacet && newfacet->next; newfacet=newfacet->next )
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FORALLvertex_">-</a>
FORALLvertex_( vertexlist ) { ... }
assign 'vertex' to each vertex in vertexlist
notes:
uses 'vertexT *vertex;'
at exit, vertex==NULL
*/
#define FORALLvertex_( vertexlist ) for (vertex=( vertexlist );vertex && vertex->next;vertex= vertex->next )
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FORALLvisible_facets">-</a>
FORALLvisible_facets { ... }
assign 'visible' to each visible facet in qh.visible_list
notes:
uses 'vacetT *visible;'
at exit, visible==NULL
*/
#define FORALLvisible_facets for (visible=qh->visible_list; visible && visible->visible; visible= visible->next)
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FORALLsame_">-</a>
FORALLsame_( newfacet ) { ... }
assign 'same' to each facet in newfacet->f.samecycle
notes:
uses 'facetT *same;'
stops when it returns to newfacet
*/
#define FORALLsame_(newfacet) for (same= newfacet->f.samecycle; same != newfacet; same= same->f.samecycle)
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FORALLsame_cycle_">-</a>
FORALLsame_cycle_( newfacet ) { ... }
assign 'same' to each facet in newfacet->f.samecycle
notes:
uses 'facetT *same;'
at exit, same == NULL
*/
#define FORALLsame_cycle_(newfacet) \
for (same= newfacet->f.samecycle; \
same; same= (same == newfacet ? NULL : same->f.samecycle))
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FOREACHneighborA_">-</a>
FOREACHneighborA_( facet ) { ... }
assign 'neighborA' to each neighbor in facet->neighbors
FOREACHneighborA_( vertex ) { ... }
assign 'neighborA' to each neighbor in vertex->neighbors
declare:
facetT *neighborA, **neighborAp;
see:
<a href="qset_r.h#FOREACHsetelement_">FOREACHsetelement_</a>
*/
#define FOREACHneighborA_(facet) FOREACHsetelement_(facetT, facet->neighbors, neighborA)
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FOREACHvisible_">-</a>
FOREACHvisible_( facets ) { ... }
assign 'visible' to each facet in facets
notes:
uses 'facetT *facet, *facetp;'
see <a href="qset_r.h#FOREACHsetelement_">FOREACHsetelement_</a>
*/
#define FOREACHvisible_(facets) FOREACHsetelement_(facetT, facets, visible)
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FOREACHnewfacet_">-</a>
FOREACHnewfacet_( facets ) { ... }
assign 'newfacet' to each facet in facets
notes:
uses 'facetT *newfacet, *newfacetp;'
see <a href="qset_r.h#FOREACHsetelement_">FOREACHsetelement_</a>
*/
#define FOREACHnewfacet_(facets) FOREACHsetelement_(facetT, facets, newfacet)
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FOREACHvertexA_">-</a>
FOREACHvertexA_( vertices ) { ... }
assign 'vertexA' to each vertex in vertices
notes:
uses 'vertexT *vertexA, *vertexAp;'
see <a href="qset_r.h#FOREACHsetelement_">FOREACHsetelement_</a>
*/
#define FOREACHvertexA_(vertices) FOREACHsetelement_(vertexT, vertices, vertexA)
/*-<a href="qh-poly_r.htm#TOC"
>--------------------------------</a><a name="FOREACHvertexreverse12_">-</a>
FOREACHvertexreverse12_( vertices ) { ... }
assign 'vertex' to each vertex in vertices
reverse order of first two vertices
notes:
uses 'vertexT *vertex, *vertexp;'
see <a href="qset_r.h#FOREACHsetelement_">FOREACHsetelement_</a>
*/
#define FOREACHvertexreverse12_(vertices) FOREACHsetelementreverse12_(vertexT, vertices, vertex)
/*=============== prototypes poly_r.c in alphabetical order ================*/
#ifdef __cplusplus
extern "C" {
#endif
void qh_appendfacet(qhT *qh, facetT *facet);
void qh_appendvertex(qhT *qh, vertexT *vertex);
void qh_attachnewfacets(qhT *qh /* qh.visible_list, qh.newfacet_list */);
boolT qh_checkflipped(qhT *qh, facetT *facet, realT *dist, boolT allerror);
void qh_delfacet(qhT *qh, facetT *facet);
void qh_deletevisible(qhT *qh /* qh.visible_list, qh.horizon_list */);
setT *qh_facetintersect(qhT *qh, facetT *facetA, facetT *facetB, int *skipAp,int *skipBp, int extra);
int qh_gethash(qhT *qh, int hashsize, setT *set, int size, int firstindex, void *skipelem);
facetT *qh_getreplacement(qhT *qh, facetT *visible);
facetT *qh_makenewfacet(qhT *qh, setT *vertices, boolT toporient, facetT *facet);
void qh_makenewplanes(qhT *qh /* qh.newfacet_list */);
facetT *qh_makenew_nonsimplicial(qhT *qh, facetT *visible, vertexT *apex, int *numnew);
facetT *qh_makenew_simplicial(qhT *qh, facetT *visible, vertexT *apex, int *numnew);
void qh_matchneighbor(qhT *qh, facetT *newfacet, int newskip, int hashsize,
int *hashcount);
coordT qh_matchnewfacets(qhT *qh);
boolT qh_matchvertices(qhT *qh, int firstindex, setT *verticesA, int skipA,
setT *verticesB, int *skipB, boolT *same);
facetT *qh_newfacet(qhT *qh);
ridgeT *qh_newridge(qhT *qh);
int qh_pointid(qhT *qh, pointT *point);
void qh_removefacet(qhT *qh, facetT *facet);
void qh_removevertex(qhT *qh, vertexT *vertex);
void qh_update_vertexneighbors(qhT *qh);
void qh_update_vertexneighbors_cone(qhT *qh);
/*========== -prototypes poly2_r.c in alphabetical order ===========*/
boolT qh_addfacetvertex(qhT *qh, facetT *facet, vertexT *newvertex);
void qh_addhash(void *newelem, setT *hashtable, int hashsize, int hash);
void qh_check_bestdist(qhT *qh);
void qh_check_maxout(qhT *qh);
void qh_check_output(qhT *qh);
void qh_check_point(qhT *qh, pointT *point, facetT *facet, realT *maxoutside, realT *maxdist, facetT **errfacet1, facetT **errfacet2, int *errcount);
void qh_check_points(qhT *qh);
void qh_checkconvex(qhT *qh, facetT *facetlist, int fault);
void qh_checkfacet(qhT *qh, facetT *facet, boolT newmerge, boolT *waserrorp);
void qh_checkflipped_all(qhT *qh, facetT *facetlist);
boolT qh_checklists(qhT *qh, facetT *facetlist);
void qh_checkpolygon(qhT *qh, facetT *facetlist);
void qh_checkvertex(qhT *qh, vertexT *vertex, boolT allchecks, boolT *waserrorp);
void qh_clearcenters(qhT *qh, qh_CENTER type);
void qh_createsimplex(qhT *qh, setT *vertices);
void qh_delridge(qhT *qh, ridgeT *ridge);
void qh_delvertex(qhT *qh, vertexT *vertex);
setT *qh_facet3vertex(qhT *qh, facetT *facet);
facetT *qh_findbestfacet(qhT *qh, pointT *point, boolT bestoutside,
realT *bestdist, boolT *isoutside);
facetT *qh_findbestlower(qhT *qh, facetT *upperfacet, pointT *point, realT *bestdistp, int *numpart);
facetT *qh_findfacet_all(qhT *qh, pointT *point, boolT noupper, realT *bestdist, boolT *isoutside,
int *numpart);
int qh_findgood(qhT *qh, facetT *facetlist, int goodhorizon);
void qh_findgood_all(qhT *qh, facetT *facetlist);
void qh_furthestnext(qhT *qh /* qh.facet_list */);
void qh_furthestout(qhT *qh, facetT *facet);
void qh_infiniteloop(qhT *qh, facetT *facet);
void qh_initbuild(qhT *qh);
void qh_initialhull(qhT *qh, setT *vertices);
setT *qh_initialvertices(qhT *qh, int dim, setT *maxpoints, pointT *points, int numpoints);
vertexT *qh_isvertex(pointT *point, setT *vertices);
vertexT *qh_makenewfacets(qhT *qh, pointT *point /* qh.horizon_list, visible_list */);
coordT qh_matchdupridge(qhT *qh, facetT *atfacet, int atskip, int hashsize, int *hashcount);
void qh_nearcoplanar(qhT *qh /* qh.facet_list */);
vertexT *qh_nearvertex(qhT *qh, facetT *facet, pointT *point, realT *bestdistp);
int qh_newhashtable(qhT *qh, int newsize);
vertexT *qh_newvertex(qhT *qh, pointT *point);
facetT *qh_nextfacet2d(facetT *facet, vertexT **nextvertexp);
ridgeT *qh_nextridge3d(ridgeT *atridge, facetT *facet, vertexT **vertexp);
vertexT *qh_opposite_vertex(qhT *qh, facetT *facetA, facetT *neighbor);
void qh_outcoplanar(qhT *qh /* qh.facet_list */);
pointT *qh_point(qhT *qh, int id);
void qh_point_add(qhT *qh, setT *set, pointT *point, void *elem);
setT *qh_pointfacet(qhT *qh /* qh.facet_list */);
setT *qh_pointvertex(qhT *qh /* qh.facet_list */);
void qh_prependfacet(qhT *qh, facetT *facet, facetT **facetlist);
void qh_printhashtable(qhT *qh, FILE *fp);
void qh_printlists(qhT *qh);
void qh_replacefacetvertex(qhT *qh, facetT *facet, vertexT *oldvertex, vertexT *newvertex);
void qh_resetlists(qhT *qh, boolT stats, boolT resetVisible /* qh.newvertex_list qh.newfacet_list qh.visible_list */);
void qh_setvoronoi_all(qhT *qh);
void qh_triangulate(qhT *qh /* qh.facet_list */);
void qh_triangulate_facet(qhT *qh, facetT *facetA, vertexT **first_vertex);
void qh_triangulate_link(qhT *qh, facetT *oldfacetA, facetT *facetA, facetT *oldfacetB, facetT *facetB);
void qh_triangulate_mirror(qhT *qh, facetT *facetA, facetT *facetB);
void qh_triangulate_null(qhT *qh, facetT *facetA);
void qh_vertexintersect(qhT *qh, setT **vertexsetA,setT *vertexsetB);
setT *qh_vertexintersect_new(qhT *qh, setT *vertexsetA,setT *vertexsetB);
void qh_vertexneighbors(qhT *qh /* qh.facet_list */);
boolT qh_vertexsubset(setT *vertexsetA, setT *vertexsetB);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* qhDEFpoly */
|
