/misc/src/release/graphviz-2.18-1/src/graphviz-2.18/lib/neatogen/heap.h

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00001 /* $Id: heap.h,v 1.2 2005/02/24 00:57:33 ellson Exp $ $Revision: 1.2 $ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /**********************************************************
00005 *      This software is part of the graphviz package      *
00006 *                http://www.graphviz.org/                 *
00007 *                                                         *
00008 *            Copyright (c) 1994-2004 AT&T Corp.           *
00009 *                and is licensed under the                *
00010 *            Common Public License, Version 1.0           *
00011 *                      by AT&T Corp.                      *
00012 *                                                         *
00013 *        Information and Software Systems Research        *
00014 *              AT&T Research, Florham Park NJ             *
00015 **********************************************************/
00016 
00017 #ifdef __cplusplus
00018 extern "C" {
00019 #endif
00020 
00021 
00022 
00023 #ifndef HEAP_H
00024 #define HEAP_H
00025 
00026 #include "hedges.h"
00027 
00028     extern void PQinitialize(void);
00029     extern void PQcleanup(void);
00030     extern Halfedge *PQextractmin(void);
00031     extern Point PQ_min(void);
00032     extern int PQempty(void);
00033     extern void PQdelete(Halfedge *);
00034     extern void PQinsert(Halfedge *, Site *, double);
00035 
00036 #endif
00037 
00038 #ifdef __cplusplus
00039 }
00040 #endif

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