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-/*<html><pre> -<a href="qh-stat.htm"
- >-------------------------------</a><a name="TOP">-</a>
-
- stat.c
- contains all statistics that are collected for qhull
-
- see qh-stat.htm and stat.h
-
- Copyright (c) 1993-2012 The Geometry Center.
- $Id: //main/2011/qhull/src/libqhull/stat.c#3 $$Change: 1464 $
- $DateTime: 2012/01/25 22:58:41 $$Author: bbarber $
-*/
-
-#include "qhull_a.h"
-
-/*============ global data structure ==========*/
-
-#if qh_QHpointer
-qhstatT *qh_qhstat=NULL; /* global data structure */
-#else
-qhstatT qh_qhstat; /* add "={0}" if this causes a compiler error */
-#endif
-
-/*========== functions in alphabetic order ================*/
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="allstatA">-</a>
-
- qh_allstatA()
- define statistics in groups of 20
-
- notes:
- (otherwise, 'gcc -O2' uses too much memory)
- uses qhstat.next
-*/
-void qh_allstatA(void) {
-
- /* zdef_(type,name,doc,average) */
- zzdef_(zdoc, Zdoc2, "precision statistics", -1);
- zdef_(zinc, Znewvertex, NULL, -1);
- zdef_(wadd, Wnewvertex, "ave. distance of a new vertex to a facet(!0s)", Znewvertex);
- zzdef_(wmax, Wnewvertexmax, "max. distance of a new vertex to a facet", -1);
- zdef_(wmax, Wvertexmax, "max. distance of an output vertex to a facet", -1);
- zdef_(wmin, Wvertexmin, "min. distance of an output vertex to a facet", -1);
- zdef_(wmin, Wmindenom, "min. denominator in hyperplane computation", -1);
-
- qhstat precision= qhstat next; /* call qh_precision for each of these */
- zzdef_(zdoc, Zdoc3, "precision problems (corrected unless 'Q0' or an error)", -1);
- zzdef_(zinc, Zcoplanarridges, "coplanar half ridges in output", -1);
- zzdef_(zinc, Zconcaveridges, "concave half ridges in output", -1);
- zzdef_(zinc, Zflippedfacets, "flipped facets", -1);
- zzdef_(zinc, Zcoplanarhorizon, "coplanar horizon facets for new vertices", -1);
- zzdef_(zinc, Zcoplanarpart, "coplanar points during partitioning", -1);
- zzdef_(zinc, Zminnorm, "degenerate hyperplanes recomputed with gaussian elimination", -1);
- zzdef_(zinc, Znearlysingular, "nearly singular or axis-parallel hyperplanes", -1);
- zzdef_(zinc, Zback0, "zero divisors during back substitute", -1);
- zzdef_(zinc, Zgauss0, "zero divisors during gaussian elimination", -1);
- zzdef_(zinc, Zmultiridge, "ridges with multiple neighbors", -1);
-}
-void qh_allstatB(void) {
- zzdef_(zdoc, Zdoc1, "summary information", -1);
- zdef_(zinc, Zvertices, "number of vertices in output", -1);
- zdef_(zinc, Znumfacets, "number of facets in output", -1);
- zdef_(zinc, Znonsimplicial, "number of non-simplicial facets in output", -1);
- zdef_(zinc, Znowsimplicial, "number of simplicial facets that were merged", -1);
- zdef_(zinc, Znumridges, "number of ridges in output", -1);
- zdef_(zadd, Znumridges, "average number of ridges per facet", Znumfacets);
- zdef_(zmax, Zmaxridges, "maximum number of ridges", -1);
- zdef_(zadd, Znumneighbors, "average number of neighbors per facet", Znumfacets);
- zdef_(zmax, Zmaxneighbors, "maximum number of neighbors", -1);
- zdef_(zadd, Znumvertices, "average number of vertices per facet", Znumfacets);
- zdef_(zmax, Zmaxvertices, "maximum number of vertices", -1);
- zdef_(zadd, Znumvneighbors, "average number of neighbors per vertex", Zvertices);
- zdef_(zmax, Zmaxvneighbors, "maximum number of neighbors", -1);
- zdef_(wadd, Wcpu, "cpu seconds for qhull after input", -1);
- zdef_(zinc, Ztotvertices, "vertices created altogether", -1);
- zzdef_(zinc, Zsetplane, "facets created altogether", -1);
- zdef_(zinc, Ztotridges, "ridges created altogether", -1);
- zdef_(zinc, Zpostfacets, "facets before post merge", -1);
- zdef_(zadd, Znummergetot, "average merges per facet(at most 511)", Znumfacets);
- zdef_(zmax, Znummergemax, " maximum merges for a facet(at most 511)", -1);
- zdef_(zinc, Zangle, NULL, -1);
- zdef_(wadd, Wangle, "average angle(cosine) of facet normals for all ridges", Zangle);
- zdef_(wmax, Wanglemax, " maximum angle(cosine) of facet normals across a ridge", -1);
- zdef_(wmin, Wanglemin, " minimum angle(cosine) of facet normals across a ridge", -1);
- zdef_(wadd, Wareatot, "total area of facets", -1);
- zdef_(wmax, Wareamax, " maximum facet area", -1);
- zdef_(wmin, Wareamin, " minimum facet area", -1);
-}
-void qh_allstatC(void) {
- zdef_(zdoc, Zdoc9, "build hull statistics", -1);
- zzdef_(zinc, Zprocessed, "points processed", -1);
- zzdef_(zinc, Zretry, "retries due to precision problems", -1);
- zdef_(wmax, Wretrymax, " max. random joggle", -1);
- zdef_(zmax, Zmaxvertex, "max. vertices at any one time", -1);
- zdef_(zinc, Ztotvisible, "ave. visible facets per iteration", Zprocessed);
- zdef_(zinc, Zinsidevisible, " ave. visible facets without an horizon neighbor", Zprocessed);
- zdef_(zadd, Zvisfacettot, " ave. facets deleted per iteration", Zprocessed);
- zdef_(zmax, Zvisfacetmax, " maximum", -1);
- zdef_(zadd, Zvisvertextot, "ave. visible vertices per iteration", Zprocessed);
- zdef_(zmax, Zvisvertexmax, " maximum", -1);
- zdef_(zinc, Ztothorizon, "ave. horizon facets per iteration", Zprocessed);
- zdef_(zadd, Znewfacettot, "ave. new or merged facets per iteration", Zprocessed);
- zdef_(zmax, Znewfacetmax, " maximum(includes initial simplex)", -1);
- zdef_(wadd, Wnewbalance, "average new facet balance", Zprocessed);
- zdef_(wadd, Wnewbalance2, " standard deviation", -1);
- zdef_(wadd, Wpbalance, "average partition balance", Zpbalance);
- zdef_(wadd, Wpbalance2, " standard deviation", -1);
- zdef_(zinc, Zpbalance, " number of trials", -1);
- zdef_(zinc, Zsearchpoints, "searches of all points for initial simplex", -1);
- zdef_(zinc, Zdetsimplex, "determinants computed(area & initial hull)", -1);
- zdef_(zinc, Znoarea, "determinants not computed because vertex too low", -1);
- zdef_(zinc, Znotmax, "points ignored(!above max_outside)", -1);
- zdef_(zinc, Znotgood, "points ignored(!above a good facet)", -1);
- zdef_(zinc, Znotgoodnew, "points ignored(didn't create a good new facet)", -1);
- zdef_(zinc, Zgoodfacet, "good facets found", -1);
- zzdef_(zinc, Znumvisibility, "distance tests for facet visibility", -1);
- zdef_(zinc, Zdistvertex, "distance tests to report minimum vertex", -1);
- zzdef_(zinc, Ztotcheck, "points checked for facets' outer planes", -1);
- zzdef_(zinc, Zcheckpart, " ave. distance tests per check", Ztotcheck);
-}
-void qh_allstatD(void) {
- zdef_(zinc, Zvisit, "resets of visit_id", -1);
- zdef_(zinc, Zvvisit, " resets of vertex_visit", -1);
- zdef_(zmax, Zvisit2max, " max visit_id/2", -1);
- zdef_(zmax, Zvvisit2max, " max vertex_visit/2", -1);
-
- zdef_(zdoc, Zdoc4, "partitioning statistics(see previous for outer planes)", -1);
- zzdef_(zadd, Zdelvertextot, "total vertices deleted", -1);
- zdef_(zmax, Zdelvertexmax, " maximum vertices deleted per iteration", -1);
- zdef_(zinc, Zfindbest, "calls to findbest", -1);
- zdef_(zadd, Zfindbesttot, " ave. facets tested", Zfindbest);
- zdef_(zmax, Zfindbestmax, " max. facets tested", -1);
- zdef_(zadd, Zfindcoplanar, " ave. coplanar search", Zfindbest);
- zdef_(zinc, Zfindnew, "calls to findbestnew", -1);
- zdef_(zadd, Zfindnewtot, " ave. facets tested", Zfindnew);
- zdef_(zmax, Zfindnewmax, " max. facets tested", -1);
- zdef_(zinc, Zfindnewjump, " ave. clearly better", Zfindnew);
- zdef_(zinc, Zfindnewsharp, " calls due to qh_sharpnewfacets", -1);
- zdef_(zinc, Zfindhorizon, "calls to findhorizon", -1);
- zdef_(zadd, Zfindhorizontot, " ave. facets tested", Zfindhorizon);
- zdef_(zmax, Zfindhorizonmax, " max. facets tested", -1);
- zdef_(zinc, Zfindjump, " ave. clearly better", Zfindhorizon);
- zdef_(zinc, Zparthorizon, " horizon facets better than bestfacet", -1);
- zdef_(zinc, Zpartangle, "angle tests for repartitioned coplanar points", -1);
- zdef_(zinc, Zpartflip, " repartitioned coplanar points for flipped orientation", -1);
-}
-void qh_allstatE(void) {
- zdef_(zinc, Zpartinside, "inside points", -1);
- zdef_(zinc, Zpartnear, " inside points kept with a facet", -1);
- zdef_(zinc, Zcoplanarinside, " inside points that were coplanar with a facet", -1);
- zdef_(zinc, Zbestlower, "calls to findbestlower", -1);
- zdef_(zinc, Zbestlowerv, " with search of vertex neighbors", -1);
- zdef_(wadd, Wmaxout, "difference in max_outside at final check", -1);
- zzdef_(zinc, Zpartitionall, "distance tests for initial partition", -1);
- zdef_(zinc, Ztotpartition, "partitions of a point", -1);
- zzdef_(zinc, Zpartition, "distance tests for partitioning", -1);
- zzdef_(zinc, Zdistcheck, "distance tests for checking flipped facets", -1);
- zzdef_(zinc, Zdistconvex, "distance tests for checking convexity", -1);
- zdef_(zinc, Zdistgood, "distance tests for checking good point", -1);
- zdef_(zinc, Zdistio, "distance tests for output", -1);
- zdef_(zinc, Zdiststat, "distance tests for statistics", -1);
- zdef_(zinc, Zdistplane, "total number of distance tests", -1);
- zdef_(zinc, Ztotpartcoplanar, "partitions of coplanar points or deleted vertices", -1);
- zzdef_(zinc, Zpartcoplanar, " distance tests for these partitions", -1);
- zdef_(zinc, Zcomputefurthest, "distance tests for computing furthest", -1);
-}
-void qh_allstatE2(void) {
- zdef_(zdoc, Zdoc5, "statistics for matching ridges", -1);
- zdef_(zinc, Zhashlookup, "total lookups for matching ridges of new facets", -1);
- zdef_(zinc, Zhashtests, "average number of tests to match a ridge", Zhashlookup);
- zdef_(zinc, Zhashridge, "total lookups of subridges(duplicates and boundary)", -1);
- zdef_(zinc, Zhashridgetest, "average number of tests per subridge", Zhashridge);
- zdef_(zinc, Zdupsame, "duplicated ridges in same merge cycle", -1);
- zdef_(zinc, Zdupflip, "duplicated ridges with flipped facets", -1);
-
- zdef_(zdoc, Zdoc6, "statistics for determining merges", -1);
- zdef_(zinc, Zangletests, "angles computed for ridge convexity", -1);
- zdef_(zinc, Zbestcentrum, "best merges used centrum instead of vertices",-1);
- zzdef_(zinc, Zbestdist, "distance tests for best merge", -1);
- zzdef_(zinc, Zcentrumtests, "distance tests for centrum convexity", -1);
- zzdef_(zinc, Zdistzero, "distance tests for checking simplicial convexity", -1);
- zdef_(zinc, Zcoplanarangle, "coplanar angles in getmergeset", -1);
- zdef_(zinc, Zcoplanarcentrum, "coplanar centrums in getmergeset", -1);
- zdef_(zinc, Zconcaveridge, "concave ridges in getmergeset", -1);
-}
-void qh_allstatF(void) {
- zdef_(zdoc, Zdoc7, "statistics for merging", -1);
- zdef_(zinc, Zpremergetot, "merge iterations", -1);
- zdef_(zadd, Zmergeinittot, "ave. initial non-convex ridges per iteration", Zpremergetot);
- zdef_(zadd, Zmergeinitmax, " maximum", -1);
- zdef_(zadd, Zmergesettot, " ave. additional non-convex ridges per iteration", Zpremergetot);
- zdef_(zadd, Zmergesetmax, " maximum additional in one pass", -1);
- zdef_(zadd, Zmergeinittot2, "initial non-convex ridges for post merging", -1);
- zdef_(zadd, Zmergesettot2, " additional non-convex ridges", -1);
- zdef_(wmax, Wmaxoutside, "max distance of vertex or coplanar point above facet(w/roundoff)", -1);
- zdef_(wmin, Wminvertex, "max distance of merged vertex below facet(or roundoff)", -1);
- zdef_(zinc, Zwidefacet, "centrums frozen due to a wide merge", -1);
- zdef_(zinc, Zwidevertices, "centrums frozen due to extra vertices", -1);
- zzdef_(zinc, Ztotmerge, "total number of facets or cycles of facets merged", -1);
- zdef_(zinc, Zmergesimplex, "merged a simplex", -1);
- zdef_(zinc, Zonehorizon, "simplices merged into coplanar horizon", -1);
- zzdef_(zinc, Zcyclehorizon, "cycles of facets merged into coplanar horizon", -1);
- zzdef_(zadd, Zcyclefacettot, " ave. facets per cycle", Zcyclehorizon);
- zdef_(zmax, Zcyclefacetmax, " max. facets", -1);
- zdef_(zinc, Zmergeintohorizon, "new facets merged into horizon", -1);
- zdef_(zinc, Zmergenew, "new facets merged", -1);
- zdef_(zinc, Zmergehorizon, "horizon facets merged into new facets", -1);
- zdef_(zinc, Zmergevertex, "vertices deleted by merging", -1);
- zdef_(zinc, Zcyclevertex, "vertices deleted by merging into coplanar horizon", -1);
- zdef_(zinc, Zdegenvertex, "vertices deleted by degenerate facet", -1);
- zdef_(zinc, Zmergeflipdup, "merges due to flipped facets in duplicated ridge", -1);
- zdef_(zinc, Zneighbor, "merges due to redundant neighbors", -1);
- zdef_(zadd, Ztestvneighbor, "non-convex vertex neighbors", -1);
-}
-void qh_allstatG(void) {
- zdef_(zinc, Zacoplanar, "merges due to angle coplanar facets", -1);
- zdef_(wadd, Wacoplanartot, " average merge distance", Zacoplanar);
- zdef_(wmax, Wacoplanarmax, " maximum merge distance", -1);
- zdef_(zinc, Zcoplanar, "merges due to coplanar facets", -1);
- zdef_(wadd, Wcoplanartot, " average merge distance", Zcoplanar);
- zdef_(wmax, Wcoplanarmax, " maximum merge distance", -1);
- zdef_(zinc, Zconcave, "merges due to concave facets", -1);
- zdef_(wadd, Wconcavetot, " average merge distance", Zconcave);
- zdef_(wmax, Wconcavemax, " maximum merge distance", -1);
- zdef_(zinc, Zavoidold, "coplanar/concave merges due to avoiding old merge", -1);
- zdef_(wadd, Wavoidoldtot, " average merge distance", Zavoidold);
- zdef_(wmax, Wavoidoldmax, " maximum merge distance", -1);
- zdef_(zinc, Zdegen, "merges due to degenerate facets", -1);
- zdef_(wadd, Wdegentot, " average merge distance", Zdegen);
- zdef_(wmax, Wdegenmax, " maximum merge distance", -1);
- zdef_(zinc, Zflipped, "merges due to removing flipped facets", -1);
- zdef_(wadd, Wflippedtot, " average merge distance", Zflipped);
- zdef_(wmax, Wflippedmax, " maximum merge distance", -1);
- zdef_(zinc, Zduplicate, "merges due to duplicated ridges", -1);
- zdef_(wadd, Wduplicatetot, " average merge distance", Zduplicate);
- zdef_(wmax, Wduplicatemax, " maximum merge distance", -1);
-}
-void qh_allstatH(void) {
- zdef_(zdoc, Zdoc8, "renamed vertex statistics", -1);
- zdef_(zinc, Zrenameshare, "renamed vertices shared by two facets", -1);
- zdef_(zinc, Zrenamepinch, "renamed vertices in a pinched facet", -1);
- zdef_(zinc, Zrenameall, "renamed vertices shared by multiple facets", -1);
- zdef_(zinc, Zfindfail, "rename failures due to duplicated ridges", -1);
- zdef_(zinc, Zdupridge, " duplicate ridges detected", -1);
- zdef_(zinc, Zdelridge, "deleted ridges due to renamed vertices", -1);
- zdef_(zinc, Zdropneighbor, "dropped neighbors due to renamed vertices", -1);
- zdef_(zinc, Zdropdegen, "degenerate facets due to dropped neighbors", -1);
- zdef_(zinc, Zdelfacetdup, " facets deleted because of no neighbors", -1);
- zdef_(zinc, Zremvertex, "vertices removed from facets due to no ridges", -1);
- zdef_(zinc, Zremvertexdel, " deleted", -1);
- zdef_(zinc, Zintersectnum, "vertex intersections for locating redundant vertices", -1);
- zdef_(zinc, Zintersectfail, "intersections failed to find a redundant vertex", -1);
- zdef_(zinc, Zintersect, "intersections found redundant vertices", -1);
- zdef_(zadd, Zintersecttot, " ave. number found per vertex", Zintersect);
- zdef_(zmax, Zintersectmax, " max. found for a vertex", -1);
- zdef_(zinc, Zvertexridge, NULL, -1);
- zdef_(zadd, Zvertexridgetot, " ave. number of ridges per tested vertex", Zvertexridge);
- zdef_(zmax, Zvertexridgemax, " max. number of ridges per tested vertex", -1);
-
- zdef_(zdoc, Zdoc10, "memory usage statistics(in bytes)", -1);
- zdef_(zadd, Zmemfacets, "for facets and their normals, neighbor and vertex sets", -1);
- zdef_(zadd, Zmemvertices, "for vertices and their neighbor sets", -1);
- zdef_(zadd, Zmempoints, "for input points and outside and coplanar sets",-1);
- zdef_(zadd, Zmemridges, "for ridges and their vertex sets", -1);
-} /* allstat */
-
-void qh_allstatI(void) {
- qhstat vridges= qhstat next;
- zzdef_(zdoc, Zdoc11, "Voronoi ridge statistics", -1);
- zzdef_(zinc, Zridge, "non-simplicial Voronoi vertices for all ridges", -1);
- zzdef_(wadd, Wridge, " ave. distance to ridge", Zridge);
- zzdef_(wmax, Wridgemax, " max. distance to ridge", -1);
- zzdef_(zinc, Zridgemid, "bounded ridges", -1);
- zzdef_(wadd, Wridgemid, " ave. distance of midpoint to ridge", Zridgemid);
- zzdef_(wmax, Wridgemidmax, " max. distance of midpoint to ridge", -1);
- zzdef_(zinc, Zridgeok, "bounded ridges with ok normal", -1);
- zzdef_(wadd, Wridgeok, " ave. angle to ridge", Zridgeok);
- zzdef_(wmax, Wridgeokmax, " max. angle to ridge", -1);
- zzdef_(zinc, Zridge0, "bounded ridges with near-zero normal", -1);
- zzdef_(wadd, Wridge0, " ave. angle to ridge", Zridge0);
- zzdef_(wmax, Wridge0max, " max. angle to ridge", -1);
-
- zdef_(zdoc, Zdoc12, "Triangulation statistics(Qt)", -1);
- zdef_(zinc, Ztricoplanar, "non-simplicial facets triangulated", -1);
- zdef_(zadd, Ztricoplanartot, " ave. new facets created(may be deleted)", Ztricoplanar);
- zdef_(zmax, Ztricoplanarmax, " max. new facets created", -1);
- zdef_(zinc, Ztrinull, "null new facets deleted(duplicated vertex)", -1);
- zdef_(zinc, Ztrimirror, "mirrored pairs of new facets deleted(same vertices)", -1);
- zdef_(zinc, Ztridegen, "degenerate new facets in output(same ridge)", -1);
-} /* allstat */
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="allstatistics">-</a>
-
- qh_allstatistics()
- reset printed flag for all statistics
-*/
-void qh_allstatistics(void) {
- int i;
-
- for(i=ZEND; i--; )
- qhstat printed[i]= False;
-} /* allstatistics */
-
-#if qh_KEEPstatistics
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="collectstatistics">-</a>
-
- qh_collectstatistics()
- collect statistics for qh.facet_list
-
-*/
-void qh_collectstatistics(void) {
- facetT *facet, *neighbor, **neighborp;
- vertexT *vertex, **vertexp;
- realT dotproduct, dist;
- int sizneighbors, sizridges, sizvertices, i;
-
- qh old_randomdist= qh RANDOMdist;
- qh RANDOMdist= False;
- zval_(Zmempoints)= qh num_points * qh normal_size +
- sizeof(qhT) + sizeof(qhstatT);
- zval_(Zmemfacets)= 0;
- zval_(Zmemridges)= 0;
- zval_(Zmemvertices)= 0;
- zval_(Zangle)= 0;
- wval_(Wangle)= 0.0;
- zval_(Znumridges)= 0;
- zval_(Znumfacets)= 0;
- zval_(Znumneighbors)= 0;
- zval_(Znumvertices)= 0;
- zval_(Znumvneighbors)= 0;
- zval_(Znummergetot)= 0;
- zval_(Znummergemax)= 0;
- zval_(Zvertices)= qh num_vertices - qh_setsize(qh del_vertices);
- if (qh MERGING || qh APPROXhull || qh JOGGLEmax < REALmax/2)
- wmax_(Wmaxoutside, qh max_outside);
- if (qh MERGING)
- wmin_(Wminvertex, qh min_vertex);
- FORALLfacets
- facet->seen= False;
- if (qh DELAUNAY) {
- FORALLfacets {
- if (facet->upperdelaunay != qh UPPERdelaunay)
- facet->seen= True; /* remove from angle statistics */
- }
- }
- FORALLfacets {
- if (facet->visible && qh NEWfacets)
- continue;
- sizvertices= qh_setsize(facet->vertices);
- sizneighbors= qh_setsize(facet->neighbors);
- sizridges= qh_setsize(facet->ridges);
- zinc_(Znumfacets);
- zadd_(Znumvertices, sizvertices);
- zmax_(Zmaxvertices, sizvertices);
- zadd_(Znumneighbors, sizneighbors);
- zmax_(Zmaxneighbors, sizneighbors);
- zadd_(Znummergetot, facet->nummerge);
- i= facet->nummerge; /* avoid warnings */
- zmax_(Znummergemax, i);
- if (!facet->simplicial) {
- if (sizvertices == qh hull_dim) {
- zinc_(Znowsimplicial);
- }else {
- zinc_(Znonsimplicial);
- }
- }
- if (sizridges) {
- zadd_(Znumridges, sizridges);
- zmax_(Zmaxridges, sizridges);
- }
- zadd_(Zmemfacets, sizeof(facetT) + qh normal_size + 2*sizeof(setT)
- + SETelemsize * (sizneighbors + sizvertices));
- if (facet->ridges) {
- zadd_(Zmemridges,
- sizeof(setT) + SETelemsize * sizridges + sizridges *
- (sizeof(ridgeT) + sizeof(setT) + SETelemsize * (qh hull_dim-1))/2);
- }
- if (facet->outsideset)
- zadd_(Zmempoints, sizeof(setT) + SETelemsize * qh_setsize(facet->outsideset));
- if (facet->coplanarset)
- zadd_(Zmempoints, sizeof(setT) + SETelemsize * qh_setsize(facet->coplanarset));
- if (facet->seen) /* Delaunay upper envelope */
- continue;
- facet->seen= True;
- FOREACHneighbor_(facet) {
- if (neighbor == qh_DUPLICATEridge || neighbor == qh_MERGEridge
- || neighbor->seen || !facet->normal || !neighbor->normal)
- continue;
- dotproduct= qh_getangle(facet->normal, neighbor->normal);
- zinc_(Zangle);
- wadd_(Wangle, dotproduct);
- wmax_(Wanglemax, dotproduct)
- wmin_(Wanglemin, dotproduct)
- }
- if (facet->normal) {
- FOREACHvertex_(facet->vertices) {
- zinc_(Zdiststat);
- qh_distplane(vertex->point, facet, &dist);
- wmax_(Wvertexmax, dist);
- wmin_(Wvertexmin, dist);
- }
- }
- }
- FORALLvertices {
- if (vertex->deleted)
- continue;
- zadd_(Zmemvertices, sizeof(vertexT));
- if (vertex->neighbors) {
- sizneighbors= qh_setsize(vertex->neighbors);
- zadd_(Znumvneighbors, sizneighbors);
- zmax_(Zmaxvneighbors, sizneighbors);
- zadd_(Zmemvertices, sizeof(vertexT) + SETelemsize * sizneighbors);
- }
- }
- qh RANDOMdist= qh old_randomdist;
-} /* collectstatistics */
-#endif /* qh_KEEPstatistics */
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="freestatistics">-</a>
-
- qh_freestatistics( )
- free memory used for statistics
-*/
-void qh_freestatistics(void) {
-
-#if qh_QHpointer
- qh_free(qh_qhstat);
- qh_qhstat= NULL;
-#endif
-} /* freestatistics */
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="initstatistics">-</a>
-
- qh_initstatistics( )
- allocate and initialize statistics
-
- notes:
- uses qh_malloc() instead of qh_memalloc() since mem.c not set up yet
- NOerrors -- qh_initstatistics can not use qh_errexit(). One first call, qh_memalloc is not initialized. Also invoked by QhullQh().
-*/
-void qh_initstatistics(void) {
- int i;
- realT realx;
- int intx;
-
-#if qh_QHpointer
- if(qh_qhstat){ /* qh_initstatistics may be called from Qhull::resetStatistics() */
- qh_free(qh_qhstat);
- qh_qhstat= 0;
- }
- if (!(qh_qhstat= (qhstatT *)qh_malloc(sizeof(qhstatT)))) {
- qh_fprintf(qhmem.ferr, 6183, "qhull error (qh_initstatistics): insufficient memory\n");
- qh_exit(qh_ERRmem); /* can not use qh_errexit() */
- }
-#endif
-
- qhstat next= 0;
- qh_allstatA();
- qh_allstatB();
- qh_allstatC();
- qh_allstatD();
- qh_allstatE();
- qh_allstatE2();
- qh_allstatF();
- qh_allstatG();
- qh_allstatH();
- qh_allstatI();
- if (qhstat next > (int)sizeof(qhstat id)) {
- qh_fprintf(qhmem.ferr, 6184, "qhull error (qh_initstatistics): increase size of qhstat.id[].\n\
- qhstat.next %d should be <= sizeof(qhstat id) %d\n", qhstat next, (int)sizeof(qhstat id));
-#if 0 /* for locating error, Znumridges should be duplicated */
- for(i=0; i < ZEND; i++) {
- int j;
- for(j=i+1; j < ZEND; j++) {
- if (qhstat id[i] == qhstat id[j]) {
- qh_fprintf(qhmem.ferr, 6185, "qhull error (qh_initstatistics): duplicated statistic %d at indices %d and %d\n",
- qhstat id[i], i, j);
- }
- }
- }
-#endif
- qh_exit(qh_ERRqhull); /* can not use qh_errexit() */
- }
- qhstat init[zinc].i= 0;
- qhstat init[zadd].i= 0;
- qhstat init[zmin].i= INT_MAX;
- qhstat init[zmax].i= INT_MIN;
- qhstat init[wadd].r= 0;
- qhstat init[wmin].r= REALmax;
- qhstat init[wmax].r= -REALmax;
- for(i=0; i < ZEND; i++) {
- if (qhstat type[i] > ZTYPEreal) {
- realx= qhstat init[(unsigned char)(qhstat type[i])].r;
- qhstat stats[i].r= realx;
- }else if (qhstat type[i] != zdoc) {
- intx= qhstat init[(unsigned char)(qhstat type[i])].i;
- qhstat stats[i].i= intx;
- }
- }
-} /* initstatistics */
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="newstats">-</a>
-
- qh_newstats( )
- returns True if statistics for zdoc
-
- returns:
- next zdoc
-*/
-boolT qh_newstats(int idx, int *nextindex) {
- boolT isnew= False;
- int start, i;
-
- if (qhstat type[qhstat id[idx]] == zdoc)
- start= idx+1;
- else
- start= idx;
- for(i= start; i < qhstat next && qhstat type[qhstat id[i]] != zdoc; i++) {
- if (!qh_nostatistic(qhstat id[i]) && !qhstat printed[qhstat id[i]])
- isnew= True;
- }
- *nextindex= i;
- return isnew;
-} /* newstats */
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="nostatistic">-</a>
-
- qh_nostatistic( index )
- true if no statistic to print
-*/
-boolT qh_nostatistic(int i) {
-
- if ((qhstat type[i] > ZTYPEreal
- &&qhstat stats[i].r == qhstat init[(unsigned char)(qhstat type[i])].r)
- || (qhstat type[i] < ZTYPEreal
- &&qhstat stats[i].i == qhstat init[(unsigned char)(qhstat type[i])].i))
- return True;
- return False;
-} /* nostatistic */
-
-#if qh_KEEPstatistics
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="printallstatistics">-</a>
-
- qh_printallstatistics( fp, string )
- print all statistics with header 'string'
-*/
-void qh_printallstatistics(FILE *fp, const char *string) {
-
- qh_allstatistics();
- qh_collectstatistics();
- qh_printstatistics(fp, string);
- qh_memstatistics(fp);
-}
-
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="printstatistics">-</a>
-
- qh_printstatistics( fp, string )
- print statistics to a file with header 'string'
- skips statistics with qhstat.printed[] (reset with qh_allstatistics)
-
- see:
- qh_printallstatistics()
-*/
-void qh_printstatistics(FILE *fp, const char *string) {
- int i, k;
- realT ave;
-
- if (qh num_points != qh num_vertices) {
- wval_(Wpbalance)= 0;
- wval_(Wpbalance2)= 0;
- }else
- wval_(Wpbalance2)= qh_stddev(zval_(Zpbalance), wval_(Wpbalance),
- wval_(Wpbalance2), &ave);
- wval_(Wnewbalance2)= qh_stddev(zval_(Zprocessed), wval_(Wnewbalance),
- wval_(Wnewbalance2), &ave);
- qh_fprintf(fp, 9350, "\n\
-%s\n\
- qhull invoked by: %s | %s\n%s with options:\n%s\n", string, qh rbox_command,
- qh qhull_command, qh_version, qh qhull_options);
- qh_fprintf(fp, 9351, "\nprecision constants:\n\
- %6.2g max. abs. coordinate in the (transformed) input('Qbd:n')\n\
- %6.2g max. roundoff error for distance computation('En')\n\
- %6.2g max. roundoff error for angle computations\n\
- %6.2g min. distance for outside points ('Wn')\n\
- %6.2g min. distance for visible facets ('Vn')\n\
- %6.2g max. distance for coplanar facets ('Un')\n\
- %6.2g max. facet width for recomputing centrum and area\n\
-",
- qh MAXabs_coord, qh DISTround, qh ANGLEround, qh MINoutside,
- qh MINvisible, qh MAXcoplanar, qh WIDEfacet);
- if (qh KEEPnearinside)
- qh_fprintf(fp, 9352, "\
- %6.2g max. distance for near-inside points\n", qh NEARinside);
- if (qh premerge_cos < REALmax/2) qh_fprintf(fp, 9353, "\
- %6.2g max. cosine for pre-merge angle\n", qh premerge_cos);
- if (qh PREmerge) qh_fprintf(fp, 9354, "\
- %6.2g radius of pre-merge centrum\n", qh premerge_centrum);
- if (qh postmerge_cos < REALmax/2) qh_fprintf(fp, 9355, "\
- %6.2g max. cosine for post-merge angle\n", qh postmerge_cos);
- if (qh POSTmerge) qh_fprintf(fp, 9356, "\
- %6.2g radius of post-merge centrum\n", qh postmerge_centrum);
- qh_fprintf(fp, 9357, "\
- %6.2g max. distance for merging two simplicial facets\n\
- %6.2g max. roundoff error for arithmetic operations\n\
- %6.2g min. denominator for divisions\n\
- zero diagonal for Gauss: ", qh ONEmerge, REALepsilon, qh MINdenom);
- for(k=0; k < qh hull_dim; k++)
- qh_fprintf(fp, 9358, "%6.2e ", qh NEARzero[k]);
- qh_fprintf(fp, 9359, "\n\n");
- for(i=0 ; i < qhstat next; )
- qh_printstats(fp, i, &i);
-} /* printstatistics */
-#endif /* qh_KEEPstatistics */
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="printstatlevel">-</a>
-
- qh_printstatlevel( fp, id )
- print level information for a statistic
-
- notes:
- nop if id >= ZEND, printed, or same as initial value
-*/
-void qh_printstatlevel(FILE *fp, int id, int start) {
-#define NULLfield " "
-
- if (id >= ZEND || qhstat printed[id])
- return;
- if (qhstat type[id] == zdoc) {
- qh_fprintf(fp, 9360, "%s\n", qhstat doc[id]);
- return;
- }
- start= 0; /* not used */
- if (qh_nostatistic(id) || !qhstat doc[id])
- return;
- qhstat printed[id]= True;
- if (qhstat count[id] != -1
- && qhstat stats[(unsigned char)(qhstat count[id])].i == 0)
- qh_fprintf(fp, 9361, " *0 cnt*");
- else if (qhstat type[id] >= ZTYPEreal && qhstat count[id] == -1)
- qh_fprintf(fp, 9362, "%7.2g", qhstat stats[id].r);
- else if (qhstat type[id] >= ZTYPEreal && qhstat count[id] != -1)
- qh_fprintf(fp, 9363, "%7.2g", qhstat stats[id].r/ qhstat stats[(unsigned char)(qhstat count[id])].i);
- else if (qhstat type[id] < ZTYPEreal && qhstat count[id] == -1)
- qh_fprintf(fp, 9364, "%7d", qhstat stats[id].i);
- else if (qhstat type[id] < ZTYPEreal && qhstat count[id] != -1)
- qh_fprintf(fp, 9365, "%7.3g", (realT) qhstat stats[id].i / qhstat stats[(unsigned char)(qhstat count[id])].i);
- qh_fprintf(fp, 9366, " %s\n", qhstat doc[id]);
-} /* printstatlevel */
-
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="printstats">-</a>
-
- qh_printstats( fp, index, nextindex )
- print statistics for a zdoc group
-
- returns:
- next zdoc if non-null
-*/
-void qh_printstats(FILE *fp, int idx, int *nextindex) {
- int j, nexti;
-
- if (qh_newstats(idx, &nexti)) {
- qh_fprintf(fp, 9367, "\n");
- for (j=idx; j<nexti; j++)
- qh_printstatlevel(fp, qhstat id[j], 0);
- }
- if (nextindex)
- *nextindex= nexti;
-} /* printstats */
-
-#if qh_KEEPstatistics
-
-/*-<a href="qh-stat.htm#TOC"
- >-------------------------------</a><a name="stddev">-</a>
-
- qh_stddev( num, tot, tot2, ave )
- compute the standard deviation and average from statistics
-
- tot2 is the sum of the squares
- notes:
- computes r.m.s.:
- (x-ave)^2
- == x^2 - 2x tot/num + (tot/num)^2
- == tot2 - 2 tot tot/num + tot tot/num
- == tot2 - tot ave
-*/
-realT qh_stddev(int num, realT tot, realT tot2, realT *ave) {
- realT stddev;
-
- *ave= tot/num;
- stddev= sqrt(tot2/num - *ave * *ave);
- return stddev;
-} /* stddev */
-
-#endif /* qh_KEEPstatistics */
-
-#if !qh_KEEPstatistics
-void qh_collectstatistics(void) {}
-void qh_printallstatistics(FILE *fp, char *string) {};
-void qh_printstatistics(FILE *fp, char *string) {}
-#endif
-
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