/* io.h -- declarations of Input/Output functions   see README, qhull.h and io.c   copyright (c) 1993-1995, The Geometry Center*/#ifndef qhDEFio#define qhDEFio 1/* -----------------------------------------------constants and flags*/#define qh_MAXfirst  200   /* maximum length of first two lines of stdin */#define qh_MINradius 0.02  /* min radius for Gp and Gv, fraction of maxcoord */#define qh_GEOMepsilon 2e-3 /* adjust outer planes for 'lines closer' and                             geomview roundoff.  This prevents bleed through */#define qh_WHITESPACE " \n\t\v\r\f"/* ======= -functions =========== see io.c for definitions	User level functions-printhelp_degenerate	print help message for degenerate data-printhelp_singular	print help message for singular data-produce_output 	prints out the result of qhull in desired format-readpoints		read input points-readfeasible           read feasible point from remainder and qh fin-setfeasible            set feasible point from qh feasible_string	Print functions for all output formats-countfacets            count good facets for printing and set visitid-printafacet		print facet in an output format-printbegin		print header for an output format-printend		print trailer for an output format-printfacets		print facetlist and/or facet set in an output format-printneighborhood	print neighborhood of one or two facets-skipfacet		True if not printing this facet-facet2point            return two temporary projected points for a 2-d facet-facetvertices          returns temporary set of vertices in a set of facets-markkeep               mark facets for qh KEEParea, KEEPmerge and KEEPminArea	Text output functions-printfacetlist         print facets in a facetlist (see user.c)-printfacet		print all fields of a facet-printfacetheader       prints header fields of a facet to fp-printfacetridges       prints ridges of a facet to fp-printpoint		print coordinates of a point-printpoints_out        prints vertices for facets by their point coordinates-printridge		print all fields for a ridge-printvertex		print all fields for a vertex-printvertexlist	print vertices used by a list or set of facets-printvertices		print a set of vertices-printvneighbors        print vertex neighbors of vertices in facetlist and facets-dfacet			print facet by id-dvertex		print vertex by id	Mathematica output functions-printfacet2math	print 2-d Mathematica facet-printfacet3math	print 3-d Mathematica facet	Geomview output functions-printfacet2geom		print facet as a 2-d VECT object-printfacet2geom_points		print points as a 2-d VECT object with offset-printfacet3geom_nonsimplicial	print nonsimplicial facet as a 3-d geom object-printfacet3geom_points		print a set of points as a 3-d OFF object-printfacet3geom_simplicial	print simplicial facet as a 3-d OFF object-printfacet4geom_nonsimplicial	print nonsimplicial facet as a 4-d 4OFF object-printfacet4geom_simplicial	print simplicial facet as a 4-d 4OFF object-printhyperplaneintersection	print hyperplane intersection as OFF or 4OFF-printline3geom			prints a line as a VECT-printpoint3			prints 2-d, 3-d, or 4-d point as 3-d coordinates-printpointvect			prints a 2-d or 3-d point as 3-d VECT's-printpointvect2		prints a 2-d or 3-d point as 2 3-d VECT's-printspheres3			print 3-d vertices as spheres (OFF)-projectdim3 			project 2-d 3-d or 4-d point to a 3-d point	Vertex incidence output functions-order_vertexneighbors		order neighbors for a 3-d vertex by adjacency-printfacet3vertex		print vertices for a 3-d facet-printfacetNvertex_nonsimplicial print vertices for an n-d non-simplicial facet-printfacetNvertex_simplicial	print vertices for an n-d simplicial facet-printvoronoi                   prints facet centers and for each vertex, print ids*//*---------- -prototypes in alphabetical order -----------*/void    qh_countfacets (facetT *facetlist, setT *facets, boolT printall,               int *numfacetsp, int *numsimplicialp, int *totneighborsp,               int *numridgesp, int *numcoplanarsp);void    dfacet( int id);void    dvertex( int id);void	qh_facet2point(facetT *facet, pointT **point0, pointT **point1, realT *mindist);setT   *qh_facetvertices (facetT *facetlist, setT *facets, boolT allfacets);void    qh_markkeep (facetT *facetlist);void    qh_order_vertexneighbors(vertexT *vertex);void	qh_printafacet(FILE *fp, int format, facetT *facet, boolT printall);void    qh_printbegin (FILE *fp, int format, facetT *facetlist, setT *facets, boolT printall);void 	qh_printcenter (FILE *fp, int format, char *string, facetT *facet);void    qh_printcentrum (FILE *fp, facetT *facet, realT radius);void    qh_printend (FILE *fp, int format, facetT *facetlist, setT *facets, boolT printall);void    qh_printend4geom (FILE *fp, facetT *facet, int *num, boolT printall);void	qh_printfacet(FILE *fp, facetT *facet);void	qh_printfacet2math(FILE *fp, facetT *facet, int notfirst);void	qh_printfacet2geom(FILE *fp, facetT *facet, realT color[3]);void    qh_printfacet2geom_points(FILE *fp, pointT *point1, pointT *point2,			       facetT *facet, realT offset, realT color[3]);void	qh_printfacet3math (FILE *fp, facetT *facet, int notfirst);void	qh_printfacet3geom_nonsimplicial(FILE *fp, facetT *facet, realT color[3]);void	qh_printfacet3geom_points(FILE *fp, setT *points, facetT *facet, realT offset, realT color[3]);void	qh_printfacet3geom_simplicial(FILE *fp, facetT *facet, realT color[3]);void	qh_printfacet3vertex(FILE *fp, facetT *facet, int format);void	qh_printfacet4geom_nonsimplicial(FILE *fp, facetT *facet, realT color[3]);void	qh_printfacet4geom_simplicial(FILE *fp, facetT *facet, realT color[3]);void	qh_printfacetNvertex_nonsimplicial(FILE *fp, facetT *facet, int id);void	qh_printfacetNvertex_simplicial(FILE *fp, facetT *facet, int format);void    qh_printfacetheader(FILE *fp, facetT *facet);void    qh_printfacetridges(FILE *fp, facetT *facet);void	qh_printfacets(FILE *fp, int format, facetT *facetlist, setT *facets, boolT printall);void	qh_printhelp_degenerate(FILE *fp);void	qh_printhelp_singular(FILE *fp);void	qh_printhyperplaneintersection(FILE *fp, facetT *facet1, facetT *facet2,  		   setT *vertices, realT color[3]);void	qh_printneighborhood (FILE *fp, int format, facetT *facetA, facetT *facetB, boolT printall);void    qh_printline3geom (FILE *fp, pointT *pointA, pointT *pointB, realT color[3]);void	qh_printpoint(FILE *fp, char *string, pointT *point);void    qh_printpoint3 (FILE *fp, pointT *point);void    qh_printpoints_out (FILE *fp, facetT *facetlist, setT *facets, int printall);void    qh_printpointvect (FILE *fp, pointT *point, coordT *normal, pointT *center, realT radius, realT color[3]);void    qh_printpointvect2 (FILE *fp, pointT *point, coordT *normal, pointT *center, realT radius);void	qh_printridge(FILE *fp, ridgeT *ridge);void    qh_printspheres(FILE *fp, setT *vertices, realT radius);void	qh_printvertex(FILE *fp, vertexT *vertex);void	qh_printvertexlist (FILE *fp, char* string, facetT *facetlist,                         setT *facets, boolT printall);void	qh_printvertices (FILE *fp, char* string, setT *vertices);void    qh_printvneighbors (FILE *fp, facetT* facetlist, setT *facets, boolT printall);void    qh_printvoronoi (FILE *fp, int format, facetT *facetlist, setT *facets, boolT printall);void	qh_produce_output(void);void    qh_projectdim3 (pointT *source, pointT *destination);int     qh_readfeasible (int dim, char *remainder);coordT *qh_readpoints(int *numpoints, int *dimension, boolT *ismalloc);void    qh_setfeasible (int dim);boolT	qh_skipfacet(facetT *facet);#endif /* qhDEFio */