Indented with src/scripts/indent-emp.
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437 changed files with 52211 additions and 51052 deletions
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@ -22,7 +22,7 @@
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#include "as.h"
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#if !defined(lint) && !defined(SABER)
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static char sccsid[] = "@(#)as_extend.c 1.2 11/13/90";
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static char sccsid[] = "@(#)as_extend.c 1.2 11/13/90";
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#endif /* not lint */
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/*
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@ -34,41 +34,41 @@ static char sccsid[] = "@(#)as_extend.c 1.2 11/13/90";
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struct as_queue *
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as_extend(struct as_data *adp)
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{
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struct as_queue *qp;
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int i;
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struct as_queue *head;
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struct as_queue *qp;
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int i;
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struct as_queue *head;
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head = adp->head;
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head = adp->head;
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/* Find the neighboring coordinates. */
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i = (*adp->neighbor)(head->np->c, adp->neighbor_coords, adp->userdata);
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if (i == 0)
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return (NULL);
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/*
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* Get rid of neighbors that are more costly than ones we already have,
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* and sort the rest into an array of as_nodes.
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*/
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i = as_winnow(adp, adp->neighbor_coords, i);
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if (i < 0)
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return (NULL);
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if (i > 1)
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qsort(adp->neighbor_nodes, i,
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sizeof (*adp->neighbor_nodes),
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(qsort_func_t) as_costcomp);
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/* Find the neighboring coordinates. */
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i = (*adp->neighbor) (head->np->c, adp->neighbor_coords,
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adp->userdata);
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if (i == 0)
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return (NULL);
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/*
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* Get rid of neighbors that are more costly than ones we already have,
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* and sort the rest into an array of as_nodes.
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*/
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i = as_winnow(adp, adp->neighbor_coords, i);
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if (i < 0)
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return (NULL);
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if (i > 1)
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qsort(adp->neighbor_nodes, i,
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sizeof(*adp->neighbor_nodes), (qsort_func_t)as_costcomp);
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/* remove old coord from head of queue and add to list of tried */
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qp = head;
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head = head->next;
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if (head)
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head->prev = NULL;
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if (adp->tried) {
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adp->tried->prev = qp;
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qp->next = adp->tried;
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adp->tried = qp;
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} else
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adp->tried = qp;
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adp->tried->np->flags |= AS_TRIED;
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/* remove old coord from head of queue and add to list of tried */
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qp = head;
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head = head->next;
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if (head)
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head->prev = NULL;
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if (adp->tried) {
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adp->tried->prev = qp;
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qp->next = adp->tried;
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adp->tried = qp;
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} else
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adp->tried = qp;
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adp->tried->np->flags |= AS_TRIED;
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head = as_merge(adp, head, adp->neighbor_nodes);
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return (head);
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head = as_merge(adp, head, adp->neighbor_nodes);
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return (head);
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}
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