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Diffstat (limited to 'extern/qhull/src/stat.c')
-rw-r--r-- | extern/qhull/src/stat.c | 700 |
1 files changed, 0 insertions, 700 deletions
diff --git a/extern/qhull/src/stat.c b/extern/qhull/src/stat.c deleted file mode 100644 index ede0323cb88..00000000000 --- a/extern/qhull/src/stat.c +++ /dev/null @@ -1,700 +0,0 @@ -/*<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) 1993-2002, The Geometry Center -*/ - -#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 (not 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 (not above max_outside)", -1); - zdef_(zinc, Znotgood, "points ignored (not 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); - zdef_(zinc, Ztotcheck, "points checked for facets' outer planes", -1); - zzdef_(zinc, Zcheckpart, " ave. distance tests per check", Ztotcheck); -} -void qh_allstatD(void) { - 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); - 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_(wadd, Wmaxout, "difference in max_outside at final check", -1); -} -void qh_allstatE(void) { - 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 - 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 malloc() instead of qh_memalloc() since mem.c not set up yet -*/ -void qh_initstatistics (void) { - int i; - realT realx; - int intx; - -#if qh_QHpointer - if (!(qh_qhstat= (qhstatT *)malloc (sizeof(qhstatT)))) { - fprintf (qhmem.ferr, "qhull error (qh_initstatistics): insufficient memory\n"); - exit (1); /* 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 > sizeof(qhstat id)) { - fprintf (qhmem.ferr, "qhull error (qh_initstatistics): increase size of qhstat.id[].\n\ - qhstat.next %d should be <= sizeof(qhstat id) %ld\n", qhstat next, 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]) { - fprintf (qhmem.ferr, "qhull error (qh_initstatistics): duplicated statistic %d at indices %d and %d\n", - qhstat id[i], i, j); - } - } - } -#endif - exit (1); /* 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 index, int *nextindex) { - boolT isnew= False; - int start, i; - - if (qhstat type[qhstat id[index]] == zdoc) - start= index+1; - else - start= index; - 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, 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, 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); - fprintf (fp, "\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); - fprintf (fp, "\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) - fprintf(fp, "\ - %6.2g max. distance for near-inside points\n", qh NEARinside); - if (qh premerge_cos < REALmax/2) fprintf (fp, "\ - %6.2g max. cosine for pre-merge angle\n", qh premerge_cos); - if (qh PREmerge) fprintf (fp, "\ - %6.2g radius of pre-merge centrum\n", qh premerge_centrum); - if (qh postmerge_cos < REALmax/2) fprintf (fp, "\ - %6.2g max. cosine for post-merge angle\n", qh postmerge_cos); - if (qh POSTmerge) fprintf (fp, "\ - %6.2g radius of post-merge centrum\n", qh postmerge_centrum); - fprintf (fp, "\ - %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++) - fprintf (fp, "%6.2e ", qh NEARzero[k]); - fprintf (fp, "\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) { - fprintf (fp, "%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) - fprintf (fp, " *0 cnt*"); - else if (qhstat type[id] >= ZTYPEreal && qhstat count[id] == -1) - fprintf (fp, "%7.2g", qhstat stats[id].r); - else if (qhstat type[id] >= ZTYPEreal && qhstat count[id] != -1) - fprintf (fp, "%7.2g", qhstat stats[id].r/ qhstat stats[(unsigned char)(qhstat count[id])].i); - else if (qhstat type[id] < ZTYPEreal && qhstat count[id] == -1) - fprintf (fp, "%7d", qhstat stats[id].i); - else if (qhstat type[id] < ZTYPEreal && qhstat count[id] != -1) - fprintf (fp, "%7.3g", (realT) qhstat stats[id].i / qhstat stats[(unsigned char)(qhstat count[id])].i); - fprintf (fp, " %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 index, int *nextindex) { - int j, nexti; - - if (qh_newstats (index, &nexti)) { - fprintf (fp, "\n"); - for (j=index; 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 - |