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fibpriv.h
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1 /*-
2  * Copyright 1997, 1999-2003 John-Mark Gurney.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $Id: fibpriv.h,v 1.1 2005-12-02 10:41:56 martin-s Exp $
27  *
28  */
29 
30 #ifndef _FIBPRIV_H_
31 #define _FIBPRIV_H_
32 
33 struct fibheap_el;
34 
35 /*
36  * global heap operations
37  */
38 struct fibheap {
39  int (*fh_cmp_fnct)(void *, void *);
40  int fh_n;
41  int fh_Dl;
42  struct fibheap_el **fh_cons;
43  struct fibheap_el *fh_min;
45  void *fh_neginf;
46  int fh_keys : 1;
47 #ifdef FH_STATS
48  int fh_maxn;
49  int fh_ninserts;
50  int fh_nextracts;
51 #endif
52 };
53 
54 static void fh_initheap(struct fibheap *);
55 static void fh_insertrootlist(struct fibheap *, struct fibheap_el *);
56 static void fh_removerootlist(struct fibheap *, struct fibheap_el *);
57 static void fh_consolidate(struct fibheap *);
58 static void fh_heaplink(struct fibheap *h, struct fibheap_el *y,
59  struct fibheap_el *x);
60 static void fh_cut(struct fibheap *, struct fibheap_el *, struct fibheap_el *);
61 static void fh_cascading_cut(struct fibheap *, struct fibheap_el *);
62 static struct fibheap_el *fh_extractminel(struct fibheap *);
63 static void fh_checkcons(struct fibheap *h);
64 static void fh_destroyheap(struct fibheap *h);
65 static int fh_compare(struct fibheap *h, struct fibheap_el *a,
66  struct fibheap_el *b);
67 static int fh_comparedata(struct fibheap *h, int key, void *data,
68  struct fibheap_el *b);
69 static void fh_insertel(struct fibheap *h, struct fibheap_el *x);
70 static void fh_deleteel(struct fibheap *h, struct fibheap_el *x);
71 
72 /*
73  * specific node operations
74  */
75 struct fibheap_el {
77  int fhe_mark;
78  struct fibheap_el *fhe_p;
82  int fhe_key;
83  void *fhe_data;
84 };
85 
86 static struct fibheap_el *fhe_newelem(void);
87 static void fhe_initelem(struct fibheap_el *);
88 static void fhe_insertafter(struct fibheap_el *a, struct fibheap_el *b);
89 static void fhe_insertbefore(struct fibheap_el *a, struct fibheap_el *b);
90 static struct fibheap_el *fhe_remove(struct fibheap_el *a);
91 #define fhe_destroy(x) free((x))
92 
93 /*
94  * general functions
95  */
96 static int ceillog2(unsigned int a);
97 
98 #endif /* _FIBPRIV_H_ */
static void fh_insertel(struct fibheap *h, struct fibheap_el *x)
static struct fibheap_el * fhe_newelem(void)
struct fibheap_el * fh_root
Definition: fibpriv.h:44
static int ceillog2(unsigned int a)
static struct fibheap_el * fh_extractminel(struct fibheap *)
static void fh_removerootlist(struct fibheap *, struct fibheap_el *)
static void fh_cut(struct fibheap *, struct fibheap_el *, struct fibheap_el *)
struct fibheap_el * fhe_left
Definition: fibpriv.h:80
void * fhe_data
Definition: fibpriv.h:83
int fhe_key
Definition: fibpriv.h:82
static int fh_comparedata(struct fibheap *h, int key, void *data, struct fibheap_el *b)
void * fh_neginf
Definition: fibpriv.h:45
static void fhe_insertafter(struct fibheap_el *a, struct fibheap_el *b)
int fh_keys
Definition: fibpriv.h:46
static void fhe_insertbefore(struct fibheap_el *a, struct fibheap_el *b)
static void fh_consolidate(struct fibheap *)
struct fibheap_el * fhe_p
Definition: fibpriv.h:78
static void fh_checkcons(struct fibheap *h)
static void fh_deleteel(struct fibheap *h, struct fibheap_el *x)
static struct fibheap_el * fhe_remove(struct fibheap_el *a)
static void fh_destroyheap(struct fibheap *h)
static void fh_insertrootlist(struct fibheap *, struct fibheap_el *)
struct fibheap_el * fhe_child
Definition: fibpriv.h:79
static void fh_initheap(struct fibheap *)
unsigned char key
Definition: tree.c:65
Definition: fibpriv.h:38
char data
Definition: garmin_img.c:354
int fhe_degree
Definition: fibpriv.h:76
static void fh_cascading_cut(struct fibheap *, struct fibheap_el *)
int fh_Dl
Definition: fibpriv.h:41
int fhe_mark
Definition: fibpriv.h:77
struct fibheap_el * fhe_right
Definition: fibpriv.h:81
static void fhe_initelem(struct fibheap_el *)
static void fh_heaplink(struct fibheap *h, struct fibheap_el *y, struct fibheap_el *x)
int(* fh_cmp_fnct)(void *, void *)
Definition: fibpriv.h:39
Definition: fibpriv.h:75
typedef int(WINAPI *FP_SetStretchBltMode)(HDC dc
struct fibheap_el * fh_min
Definition: fibpriv.h:43
int fh_n
Definition: fibpriv.h:40
struct fibheap_el ** fh_cons
Definition: fibpriv.h:42
static int fh_compare(struct fibheap *h, struct fibheap_el *a, struct fibheap_el *b)