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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
#ifndef _CMPH_GRAPH_H__
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#define _CMPH_GRAPH_H__
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#include <limits.h>
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#include "cmph_types.h"
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#define GRAPH_NO_NEIGHBOR UINT_MAX
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typedef struct __graph_t graph_t;
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typedef struct __graph_iterator_t graph_iterator_t;
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struct __graph_iterator_t
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{
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cmph_uint32 vertex;
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cmph_uint32 edge;
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};
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graph_t *graph_new(cmph_uint32 nnodes, cmph_uint32 nedges);
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void graph_destroy(graph_t *graph);
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void graph_add_edge(graph_t *g, cmph_uint32 v1, cmph_uint32 v2);
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void graph_del_edge(graph_t *g, cmph_uint32 v1, cmph_uint32 v2);
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void graph_clear_edges(graph_t *g);
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cmph_uint32 graph_edge_id(graph_t *g, cmph_uint32 v1, cmph_uint32 v2);
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cmph_uint8 graph_contains_edge(graph_t *g, cmph_uint32 v1, cmph_uint32 v2);
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graph_iterator_t graph_neighbors_it(graph_t *g, cmph_uint32 v);
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cmph_uint32 graph_next_neighbor(graph_t *g, graph_iterator_t* it);
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void graph_obtain_critical_nodes(graph_t *g); /* included -- Fabiano*/
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cmph_uint8 graph_node_is_critical(graph_t * g, cmph_uint32 v); /* included -- Fabiano */
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cmph_uint32 graph_ncritical_nodes(graph_t *g); /* included -- Fabiano*/
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cmph_uint32 graph_vertex_id(graph_t *g, cmph_uint32 e, cmph_uint32 id); /* included -- Fabiano*/
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int graph_is_cyclic(graph_t *g);
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void graph_print(graph_t *);
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#endif
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