graphalg.h

来自「掌握如何用C来实现各种算法」· C头文件 代码 · 共 82 行

/*****************************************************************************
*                                                                            *
*  ------------------------------ graphalg.h ------------------------------  *
*                                                                            *
*****************************************************************************/

#ifndef GRAPHALG_H
#define GRAPHALG_H

#include "graph.h"
#include "list.h"

/*****************************************************************************
*                                                                            *
*  Define a structure for vertices in minimum spanning trees.                *
*                                                                            *
*****************************************************************************/

typedef struct MstVertex_ {

void               *data;
double             weight;

VertexColor        color;
double             key;

struct MstVertex_  *parent;

} MstVertex;

/*****************************************************************************
*                                                                            *
*  Define a structure for vertices in shortest-path problems.                *
*                                                                            *
*****************************************************************************/

typedef struct PathVertex_ {

void               *data;
double             weight;

VertexColor        color;
double             d;

struct PathVertex_ *parent;

} PathVertex;

/*****************************************************************************
*                                                                            *
*  Define a structure for vertices in traveling-salesman problems.           *
*                                                                            *
*****************************************************************************/

typedef struct TspVertex_ {

void               *data;

double             x,
                   y;

VertexColor        color;

} TspVertex;

/*****************************************************************************
*                                                                            *
*  --------------------------- Public Interface ---------------------------  *
*                                                                            *
*****************************************************************************/

int mst(Graph *graph, const MstVertex *start, List *span, int (*match)(const
   void *key1, const void *key2));

int shortest(Graph *graph, const PathVertex *start, List *paths, int (*match)
   (const void *key1, const void *key2));

int tsp(List *vertices, const TspVertex *start, List *tour, int (*match)
   (const void *key1, const void *key2));

#endif