| 1 | #ifndef GRAPH_H |
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| 2 | #define GRAPH_H |
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| 3 | |
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| 4 | typedef char *gGeneric; |
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| 5 | |
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| 6 | typedef struct graph_struct { |
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| 7 | gGeneric user_data; |
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| 8 | } graph_t; |
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| 9 | |
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| 10 | typedef struct vertex_struct { |
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| 11 | gGeneric user_data; |
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| 12 | } vertex_t; |
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| 13 | |
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| 14 | typedef struct edge_struct { |
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| 15 | gGeneric user_data; |
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| 16 | } edge_t; |
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| 17 | |
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| 18 | typedef void (*GRAPH_PFV)(gGeneric); |
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| 19 | typedef gGeneric (*GRAPH_PFG)(gGeneric); |
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| 20 | |
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| 21 | EXTERN graph_t *g_alloc ARGS((void)); |
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| 22 | EXTERN void g_free ARGS((graph_t *, void(*)(gGeneric), void(*)(gGeneric), void(*)(gGeneric))); |
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| 23 | EXTERN void g_check ARGS((graph_t *)); |
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| 24 | EXTERN graph_t *g_dup ARGS((graph_t *, gGeneric(*)(gGeneric), gGeneric(*)(gGeneric), gGeneric(*)(gGeneric))); |
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| 25 | |
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| 26 | EXTERN lsList g_get_vertices ARGS((graph_t *)); |
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| 27 | |
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| 28 | #define foreach_vertex(g, lgen, v) \ |
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| 29 | for (lgen = lsStart(g_get_vertices(g)); \ |
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| 30 | lsNext(lgen, &v, LS_NH) == LS_OK \ |
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| 31 | || ((void) lsFinish(lgen), 0); ) |
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| 32 | |
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| 33 | #define foreach_edge(g, lgen, e) \ |
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| 34 | for (lgen = lsStart(g_get_edges(g)); \ |
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| 35 | lsNext(lgen, &e, LS_NH) == LS_OK \ |
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| 36 | || ((void) lsFinish(lgen), 0); ) |
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| 37 | |
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| 38 | EXTERN vertex_t *g_add_vertex ARGS((graph_t *)); |
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| 39 | EXTERN void g_delete_vertex ARGS((vertex_t *, void (*)(gGeneric), void (*)(gGeneric))); |
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| 40 | EXTERN graph_t *g_vertex_graph ARGS((vertex_t *)); |
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| 41 | |
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| 42 | EXTERN lsList g_get_edges ARGS((graph_t *)); |
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| 43 | EXTERN lsList g_get_in_edges ARGS((vertex_t *)); |
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| 44 | EXTERN lsList g_get_out_edges ARGS((vertex_t *)); |
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| 45 | |
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| 46 | #define foreach_in_edge(v, lgen, e) \ |
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| 47 | for (lgen = lsStart(g_get_in_edges(v)); \ |
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| 48 | lsNext(lgen, &e, LS_NH) == LS_OK \ |
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| 49 | || ((void) lsFinish(lgen), 0); ) |
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| 50 | |
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| 51 | #define foreach_out_edge(v, lgen, e) \ |
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| 52 | for (lgen = lsStart(g_get_out_edges(v)); \ |
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| 53 | lsNext(lgen, &e, LS_NH) == LS_OK \ |
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| 54 | || ((void) lsFinish(lgen), 0); ) |
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| 55 | |
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| 56 | EXTERN edge_t *g_add_edge ARGS((vertex_t *, vertex_t *)); |
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| 57 | EXTERN void g_delete_edge ARGS((edge_t *, void (*)(gGeneric))); |
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| 58 | EXTERN graph_t *g_edge_graph ARGS((edge_t *)); |
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| 59 | EXTERN vertex_t *g_e_source ARGS((edge_t *)); |
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| 60 | EXTERN vertex_t *g_e_dest ARGS((edge_t *)); |
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| 61 | |
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| 62 | EXTERN array_t *g_dfs ARGS((graph_t *)); |
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| 63 | EXTERN int g_is_acyclic ARGS((graph_t *)); |
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| 64 | EXTERN array_t *g_graph_sort ARGS((graph_t *, int (*)(const void *, const void *))); |
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| 65 | |
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| 66 | EXTERN st_table *g_reachable ARGS((graph_t *, st_table *)); |
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| 67 | EXTERN st_table *g_EF ARGS((graph_t *, st_table *)); |
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| 68 | EXTERN st_table *g_SCC ARGS((graph_t *, st_table *)); |
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| 69 | |
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| 70 | #endif |
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