turbonss/src/graph.h

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2004-12-23 15:16:30 +02:00
#ifndef _CMPH_GRAPH_H__
#define _CMPH_GRAPH_H__
#include <limits.h>
#include "cmph_types.h"
#define GRAPH_NO_NEIGHBOR UINT_MAX
typedef struct __graph_t graph_t;
typedef struct __graph_iterator_t graph_iterator_t;
struct __graph_iterator_t
{
uint32 vertex;
uint32 edge;
};
graph_t *graph_new(uint32 nnodes, uint32 nedges);
void graph_destroy(graph_t *graph);
void graph_add_edge(graph_t *g, uint32 v1, uint32 v2);
//void graph_del_edge(graph_t *g, uint32 v1, uint32 v2);
void graph_clear_edges(graph_t *g);
uint32 graph_edge_id(graph_t *g, uint32 v1, uint32 v2);
graph_iterator_t graph_neighbors_it(graph_t *g, uint32 v);
uint32 graph_next_neighbor(graph_t *g, graph_iterator_t* it);
void graph_obtain_critical_nodes(graph_t *g); /* included -- Fabiano*/
uint8 graph_node_is_critical(graph_t * g, uint32 v); /* included -- Fabiano */
uint32 graph_ncritical_nodes(graph_t *g); /* included -- Fabiano*/
uint32 graph_vertex_id(graph_t *g, uint32 e, uint32 id); /* included -- Fabiano*/
int graph_is_cyclic(graph_t *g);
void graph_print(graph_t *);
#endif