started repo again without all the data files gunking the works

1 files changed, 134 insertions, 0 deletions

diff --git a/src/fortune/defs.h b/src/fortune/defs.h
new file mode 100644
index 0000000..b186581
--- /dev/null
+++ b/src/fortune/defs.h
@@ -0,0 +1,134 @@
+#ifndef NULL
+#define NULL 0
+#endif
+#define DELETED -2
+#include <stdlib.h>
+#include <limits.h>
+#include <stdbool.h>
+
+extern int triangulate, sorted, plot, debug;
+
+struct Freenode {
+	struct Freenode *nextfree;
+};
+struct Freelist {
+	struct Freenode *head;
+	int nodesize;
+};
+char *getfree();
+char *myalloc();
+
+extern double xmin, xmax, ymin, ymax, deltax, deltay;
+
+struct Point {
+	double x, y;
+};
+
+/* structure used both for sites and for vertices */
+struct Site {
+	struct Point coord;
+	int sitenbr;
+	int refcnt;
+};
+
+extern struct Site *sites;
+extern int nsites;
+extern int siteidx;
+extern int sqrt_nsites;
+extern int nvertices;
+extern struct Freelist sfl;
+extern struct Site *bottomsite;
+
+char **alloclist;
+int allocnum;
+
+struct Edge {
+	double a, b, c;
+	struct Site *ep[2];
+	struct Site *reg[2];
+	int edgenbr;
+};
+#define le 0
+#define re 1
+extern int nedges;
+extern struct Freelist efl;
+
+int has_endpoint(), right_of();
+struct Site *intersect();
+double dist();
+struct Point PQ_min();
+struct Halfedge *PQextractmin();
+struct Edge *bisect();
+
+struct Halfedge {
+	struct Halfedge *ELleft, *ELright;
+	struct Edge *ELedge;
+	int ELrefcnt;
+	char ELpm;
+	struct Site *vertex;
+	double ystar;
+	struct Halfedge *PQnext;
+};
+
+extern struct Freelist hfl;
+extern struct Halfedge *ELleftend, *ELrightend;
+extern int ELhashsize;
+extern struct Halfedge **ELhash;
+struct Halfedge *HEcreate(), *ELleft(), *ELright(), *ELleftbnd();
+struct Site *leftreg(), *rightreg();
+
+extern int PQhashsize;
+extern struct Halfedge *PQhash;
+extern struct Halfedge *PQfind();
+extern int PQcount;
+extern int PQmin;
+int PQempty();
+
+extern double *site_list;
+extern double *vert_list;
+extern double *line_list;
+extern unsigned int *edge_list;
+extern unsigned int *dual_list;
+
+extern int vert_count;
+extern int edge_count;
+extern int line_count;
+extern int dual_count;
+extern int site_count;
+
+void makefree(struct Freenode *curr, struct Freelist *fl);
+void voronoi(int triangulate, struct Site *(*nextsite)());
+char *getfree(struct Freelist *fl);
+char *myalloc(unsigned n);
+void freeinit(struct Freelist *fl, int size);
+void ELinitialize();
+struct Halfedge *HEcreate(struct Edge *e, int pm);
+void ELinsert(struct Halfedge *lb, struct Halfedge *new);
+struct Halfedge *ELgethash(int b);
+struct Halfedge *ELleftbnd(struct Point *p);
+void ELdelete(struct Halfedge *he);
+struct Halfedge *ELright(struct Halfedge *he);
+struct Halfedge *ELleft(struct Halfedge *he);
+struct Site *leftreg(struct Halfedge *he);
+struct Site *rightreg(struct Halfedge *he);
+void geominit();
+struct Edge *bisect(struct Site *s1, struct Site *s2);
+struct Site *intersect(struct Halfedge *el1, struct Halfedge *el2);
+int right_of(struct Halfedge *el, struct Point *p);
+void endpoint(struct Edge *e, int lr, struct Site *s);
+double dist(struct Site *s, struct Site *t);
+void makevertex(struct Site *v);
+void deref(struct Site *v);
+void ref(struct Site *v);
+void PQinsert(struct Halfedge *he, struct Site *v, double offset);
+void PQdelete(struct Halfedge *he);
+int PQbucket(struct Halfedge *he);
+int PQempty();
+struct Point PQ_min();
+struct Halfedge *PQextractmin();
+void PQinitialize();
+void out_bisector(struct Edge *e);
+void out_ep(struct Edge *e);
+void out_vertex(struct Site *v);
+void out_site(struct Site *s);
+void out_triple(struct Site *s1, struct Site *s2, struct Site *s3);