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/******************************************************************************
* $Id$
*
* Project: MapServer
* Purpose: Declarations for basic undirected, weighted graph support.
* Author: Steve Lime and the MapServer team.
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef
MAPGRAPH_H
#define
MAPGRAPH_H
#ifdef
__cplusplus
extern
"C"
{
#endif
typedef
struct
graphNodeObj
{
int
dest
;
double
weight
;
struct
graphNodeObj
*
next
;
}
graphNodeObj
;
typedef
struct
{
int
numnodes
;
struct
graphNodeObj
*
*
head
;
}
graphObj
;
graphObj
*
msCreateGraph
(
int
numnodes
);
void
msFreeGraph
(
graphObj
*
graph
);
int
msGraphAddEdge
(
graphObj
*
graph
,
int
src
,
int
dest
,
double
weight
);
void
msPrintGraph
(
graphObj
*
graph
);
int
*
msGraphGetLongestShortestPath
(
graphObj
*
graph
,
int
src
,
int
*
path_size
,
double
*
path_dist
);
#ifdef
__cplusplus
}
#endif
#endif
/* MAPGRAPH_H */
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