From 901b9f16494f37890be17ef4bb66e6efc6873340 Mon Sep 17 00:00:00 2001 From: Jaron Kent-Dobias Date: Fri, 10 Feb 2017 12:18:11 -0500 Subject: changed code to rely on jst --- src/fortune/heap.c | 94 ------------------------------------------------------ 1 file changed, 94 deletions(-) delete mode 100644 src/fortune/heap.c (limited to 'src/fortune/heap.c') diff --git a/src/fortune/heap.c b/src/fortune/heap.c deleted file mode 100644 index 2ebbd58..0000000 --- a/src/fortune/heap.c +++ /dev/null @@ -1,94 +0,0 @@ -# -#include "defs.h" -int PQhashsize; -struct Halfedge *PQhash; -struct Halfedge *PQfind(); -int PQcount; -int PQmin; -int PQempty(); - -void PQinsert(he, v, offset) struct Halfedge *he; -struct Site *v; -double offset; -{ - struct Halfedge *last, *next; - he->vertex = v; - ref(v); - he->ystar = v->coord.y + offset; - last = &PQhash[PQbucket(he)]; - while ((next = last->PQnext) != (struct Halfedge *)NULL && - (he->ystar > next->ystar || - (he->ystar == next->ystar && v->coord.x > next->vertex->coord.x))) { - last = next; - }; - he->PQnext = last->PQnext; - last->PQnext = he; - PQcount += 1; -} - -void PQdelete(he) struct Halfedge *he; -{ - struct Halfedge *last; - - if (he->vertex != (struct Site *)NULL) { - last = &PQhash[PQbucket(he)]; - while (last->PQnext != he) - last = last->PQnext; - last->PQnext = he->PQnext; - PQcount -= 1; - deref(he->vertex); - he->vertex = (struct Site *)NULL; - }; -} - -int PQbucket(he) struct Halfedge *he; -{ - int bucket; - - if (he->ystar < ymin) - bucket = 0; - else if (he->ystar >= ymax) - bucket = PQhashsize - 1; - else - bucket = (he->ystar - ymin) / deltay * PQhashsize; - if (bucket < 0) - bucket = 0; - if (bucket >= PQhashsize) - bucket = PQhashsize - 1; - if (bucket < PQmin) - PQmin = bucket; - return (bucket); -} - -int PQempty() { return (PQcount == 0); } - -struct Point PQ_min() { - struct Point answer; - - while (PQhash[PQmin].PQnext == (struct Halfedge *)NULL) { - PQmin += 1; - }; - answer.x = PQhash[PQmin].PQnext->vertex->coord.x; - answer.y = PQhash[PQmin].PQnext->ystar; - return (answer); -} - -struct Halfedge *PQextractmin() { - struct Halfedge *curr; - curr = PQhash[PQmin].PQnext; - PQhash[PQmin].PQnext = curr->PQnext; - PQcount -= 1; - return (curr); -} - -void PQinitialize() { - int i; -// struct Point *s; - - PQcount = 0; - PQmin = 0; - PQhashsize = 4 * sqrt_nsites; - PQhash = (struct Halfedge *)myalloc(PQhashsize * sizeof *PQhash); - for (i = 0; i < PQhashsize; i += 1) - PQhash[i].PQnext = (struct Halfedge *)NULL; -} -- cgit v1.2.3-70-g09d2