?? fib.h.svn-base
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/*- * Copyright 1997, 1998-2003 John-Mark Gurney. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: fib.h,v 1.10 2003/01/14 10:11:30 jmg Exp $ * */#ifndef _FIB_H_#define _FIB_H_struct fibheap;struct fibheap_el;typedef int (*voidcmp)(void *, void *);/* functions for key heaps */struct fibheap *fh_makekeyheap(void);struct fibheap_el *fh_insertkey(struct fibheap *, int, void *);int fh_minkey(struct fibheap *);int fh_replacekey(struct fibheap *, struct fibheap_el *, int);void *fh_replacekeydata(struct fibheap *, struct fibheap_el *, int, void *);/* functions for void * heaps */struct fibheap *fh_makeheap(void);voidcmp fh_setcmp(struct fibheap *, voidcmp);void *fh_setneginf(struct fibheap *, void *);struct fibheap_el *fh_insert(struct fibheap *, void *);/* shared functions */void *fh_extractmin(struct fibheap *);void *fh_min(struct fibheap *);void *fh_replacedata(struct fibheap *, struct fibheap_el *, void *);void *fh_delete(struct fibheap *, struct fibheap_el *);void fh_deleteheap(struct fibheap *);struct fibheap *fh_union(struct fibheap *, struct fibheap *);bool fh_isempty(const struct fibheap *);#ifdef FH_STATSint fh_maxn(struct fibheap *);int fh_ninserts(struct fibheap *);int fh_nextracts(struct fibheap *);#endif#endif /* _FIB_H_ */
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