diff options
Diffstat (limited to 'extern/qhull/src/geom.h')
| -rw-r--r-- | extern/qhull/src/geom.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/extern/qhull/src/geom.h b/extern/qhull/src/geom.h deleted file mode 100644 index 32440cff56f..00000000000 --- a/extern/qhull/src/geom.h +++ /dev/null @@ -1,177 +0,0 @@ -/*<html><pre> -<a href="qh-geom.htm" - >-------------------------------</a><a name="TOP">-</a> - - geom.h - header file for geometric routines - - see qh-geom.htm and geom.c - - copyright (c) 1993-2002 The Geometry Center -*/ - -#ifndef qhDEFgeom -#define qhDEFgeom 1 - -/* ============ -macros- ======================== */ - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="fabs_">-</a> - - fabs_(a) - returns the absolute value of a -*/ -#define fabs_( a ) ((( a ) < 0 ) ? -( a ):( a )) - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="fmax_">-</a> - - fmax_(a,b) - returns the maximum value of a and b -*/ -#define fmax_( a,b ) ( ( a ) < ( b ) ? ( b ) : ( a ) ) - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="fmin_">-</a> - - fmin_(a,b) - returns the minimum value of a and b -*/ -#define fmin_( a,b ) ( ( a ) > ( b ) ? ( b ) : ( a ) ) - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="maximize_">-</a> - - maximize_(maxval, val) - set maxval to val if val is greater than maxval -*/ -#define maximize_( maxval, val ) {if (( maxval ) < ( val )) ( maxval )= ( val );} - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="minimize_">-</a> - - minimize_(minval, val) - set minval to val if val is less than minval -*/ -#define minimize_( minval, val ) {if (( minval ) > ( val )) ( minval )= ( val );} - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="det2_">-</a> - - det2_(a1, a2, - b1, b2) - - compute a 2-d determinate -*/ -#define det2_( a1,a2,b1,b2 ) (( a1 )*( b2 ) - ( a2 )*( b1 )) - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="det3_">-</a> - - det3_(a1, a2, a3, - b1, b2, b3, - c1, c2, c3) - - compute a 3-d determinate -*/ -#define det3_( a1,a2,a3,b1,b2,b3,c1,c2,c3 ) ( ( a1 )*det2_( b2,b3,c2,c3 ) \ - - ( b1 )*det2_( a2,a3,c2,c3 ) + ( c1 )*det2_( a2,a3,b2,b3 ) ) - -/*-<a href="qh-geom.htm#TOC" - >--------------------------------</a><a name="dX">-</a> - - dX( p1, p2 ) - dY( p1, p2 ) - dZ( p1, p2 ) - - given two indices into rows[], - - compute the difference between X, Y, or Z coordinates -*/ -#define dX( p1,p2 ) ( *( rows[p1] ) - *( rows[p2] )) -#define dY( p1,p2 ) ( *( rows[p1]+1 ) - *( rows[p2]+1 )) -#define dZ( p1,p2 ) ( *( rows[p1]+2 ) - *( rows[p2]+2 )) -#define dW( p1,p2 ) ( *( rows[p1]+3 ) - *( rows[p2]+3 )) - -/*============= prototypes in alphabetical order, infrequent at end ======= */ - -void qh_backnormal (realT **rows, int numrow, int numcol, boolT sign, coordT *normal, boolT *nearzero); -void qh_distplane (pointT *point, facetT *facet, realT *dist); -facetT *qh_findbest (pointT *point, facetT *startfacet, - boolT bestoutside, boolT isnewfacets, boolT noupper, - realT *dist, boolT *isoutside, int *numpart); -facetT *qh_findbesthorizon (boolT ischeckmax, pointT *point, - facetT *startfacet, boolT noupper, realT *bestdist, int *numpart); -facetT *qh_findbestnew (pointT *point, facetT *startfacet, realT *dist, - boolT bestoutside, boolT *isoutside, int *numpart); -void qh_gausselim(realT **rows, int numrow, int numcol, boolT *sign, boolT *nearzero); -realT qh_getangle(pointT *vect1, pointT *vect2); -pointT *qh_getcenter(setT *vertices); -pointT *qh_getcentrum(facetT *facet); -realT qh_getdistance(facetT *facet, facetT *neighbor, realT *mindist, realT *maxdist); -void qh_normalize (coordT *normal, int dim, boolT toporient); -void qh_normalize2 (coordT *normal, int dim, boolT toporient, - realT *minnorm, boolT *ismin); -pointT *qh_projectpoint(pointT *point, facetT *facet, realT dist); - -void qh_setfacetplane(facetT *newfacets); -void qh_sethyperplane_det (int dim, coordT **rows, coordT *point0, - boolT toporient, coordT *normal, realT *offset, boolT *nearzero); -void qh_sethyperplane_gauss (int dim, coordT **rows, pointT *point0, - boolT toporient, coordT *normal, coordT *offset, boolT *nearzero); -boolT qh_sharpnewfacets (void); - -/*========= infrequently used code in geom2.c =============*/ - - -coordT *qh_copypoints (coordT *points, int numpoints, int dimension); -void qh_crossproduct (int dim, realT vecA[3], realT vecB[3], realT vecC[3]); -realT qh_determinant (realT **rows, int dim, boolT *nearzero); -realT qh_detjoggle (pointT *points, int numpoints, int dimension); -void qh_detroundoff (void); -realT qh_detsimplex(pointT *apex, setT *points, int dim, boolT *nearzero); -realT qh_distnorm (int dim, pointT *point, pointT *normal, realT *offsetp); -realT qh_distround (int dimension, realT maxabs, realT maxsumabs); -realT qh_divzero(realT numer, realT denom, realT mindenom1, boolT *zerodiv); -realT qh_facetarea (facetT *facet); -realT qh_facetarea_simplex (int dim, coordT *apex, setT *vertices, - vertexT *notvertex, boolT toporient, coordT *normal, realT *offset); -pointT *qh_facetcenter (setT *vertices); -facetT *qh_findgooddist (pointT *point, facetT *facetA, realT *distp, facetT **facetlist); -void qh_getarea (facetT *facetlist); -boolT qh_gram_schmidt(int dim, realT **rows); -boolT qh_inthresholds (coordT *normal, realT *angle); -void qh_joggleinput (void); -realT *qh_maxabsval (realT *normal, int dim); -setT *qh_maxmin(pointT *points, int numpoints, int dimension); -realT qh_maxouter (void); -void qh_maxsimplex (int dim, setT *maxpoints, pointT *points, int numpoints, setT **simplex); -realT qh_minabsval (realT *normal, int dim); -int qh_mindiff (realT *vecA, realT *vecB, int dim); -boolT qh_orientoutside (facetT *facet); -void qh_outerinner (facetT *facet, realT *outerplane, realT *innerplane); -coordT qh_pointdist(pointT *point1, pointT *point2, int dim); -void qh_printmatrix (FILE *fp, char *string, realT **rows, int numrow, int numcol); -void qh_printpoints (FILE *fp, char *string, setT *points); -void qh_projectinput (void); -void qh_projectpoints (signed char *project, int n, realT *points, - int numpoints, int dim, realT *newpoints, int newdim); -int qh_rand( void); -void qh_srand( int seed); -realT qh_randomfactor (void); -void qh_randommatrix (realT *buffer, int dim, realT **row); -void qh_rotateinput (realT **rows); -void qh_rotatepoints (realT *points, int numpoints, int dim, realT **rows); -void qh_scaleinput (void); -void qh_scalelast (coordT *points, int numpoints, int dim, coordT low, - coordT high, coordT newhigh); -void qh_scalepoints (pointT *points, int numpoints, int dim, - realT *newlows, realT *newhighs); -boolT qh_sethalfspace (int dim, coordT *coords, coordT **nextp, - coordT *normal, coordT *offset, coordT *feasible); -coordT *qh_sethalfspace_all (int dim, int count, coordT *halfspaces, pointT *feasible); -pointT *qh_voronoi_center (int dim, setT *points); - -#endif /* qhDEFgeom */ - - - |