heap.h

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/* $Id$ $Revision$ */
/* vim:set shiftwidth=4 ts=8: */

/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: See CVS logs. Details at http://www.graphviz.org/
 *************************************************************************/

#ifdef __cplusplus
extern "C" {
#endif



#ifndef HEAP_H
#define HEAP_H

#include "hedges.h"

    extern void PQinitialize(void);
    extern void PQcleanup(void);
    extern Halfedge *PQextractmin(void);
    extern Point PQ_min(void);
    extern int PQempty(void);
    extern void PQdelete(Halfedge *);
    extern void PQinsert(Halfedge *, Site *, double);

#endif

#ifdef __cplusplus
}
#endif