-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(graph, xbt, "Graph");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_graph, xbt, "Graph");
xbt_node_t node = NULL;
node = xbt_new0(struct xbt_node, 1);
node->data = data;
- node->in = xbt_dynar_new(sizeof(xbt_edge_t), NULL);
+ if (g->directed)
+ /* only the "out" field is used */
+ node->in = xbt_dynar_new(sizeof(xbt_edge_t), NULL);
+
node->out = xbt_dynar_new(sizeof(xbt_edge_t), NULL);
node->position_x = -1.0;
node->position_y = -1.0;
{
xbt_edge_t edge = NULL;
-
edge = xbt_new0(struct xbt_edge, 1);
xbt_dynar_push(src->out, &edge);
if (g->directed)
edge->data = data;
edge->src = src;
edge->dst = dst;
- if (!g->directed) {
- xbt_dynar_push(src->in, &edge);
- xbt_dynar_push(dst->out, &edge);
- }
-
xbt_dynar_push(g->edges, &edge);
return edge;
}
+xbt_edge_t xbt_graph_get_edge(xbt_graph_t g, xbt_node_t src, xbt_node_t dst)
+{
+ xbt_edge_t edge;
+ unsigned int cursor;
+
+ xbt_dynar_foreach(src->out, cursor, edge) {
+ DEBUG3("%p = %p--%p",edge,edge->src,edge->dst);
+ if((edge->src==src) && (edge->dst==dst)) return edge;
+ }
+ if(!g->directed) {
+ xbt_dynar_foreach(src->out, cursor, edge) {
+ DEBUG3("%p = %p--%p",edge,edge->src,edge->dst);
+ if((edge->dst==src) && (edge->src==dst)) return edge;
+ }
+ }
+ return NULL;
+}
+
void *xbt_graph_node_get_data(xbt_node_t node)
{
return node->data;
}
+void xbt_graph_node_set_data(xbt_node_t node, void *data)
+{
+ node->data = data;
+}
+
void *xbt_graph_edge_get_data(xbt_edge_t edge)
{
return edge->data;
}
+void xbt_graph_edge_set_data(xbt_edge_t edge, void *data)
+{
+ edge->data = data;
+}
+
/** @brief Destructor
- * @param l: poor victim
+ * @param g: poor victim
+ * @param node_free_function: function to use to free data associated to each node
+ * @param edge_free_function: function to use to free data associated to each edge
+ * @param graph_free_function: function to use to free data associated to g
*
* Free the graph structure.
*/
void xbt_graph_free_graph(xbt_graph_t g,
- void node_free_function(void *ptr),
- void edge_free_function(void *ptr),
- void graph_free_function(void *ptr))
+ void_f_pvoid_t node_free_function,
+ void_f_pvoid_t edge_free_function,
+ void_f_pvoid_t graph_free_function)
{
- int cursor = 0;
+ unsigned int cursor = 0;
xbt_node_t node = NULL;
xbt_edge_t edge = NULL;
xbt_dynar_free(&(node->out));
xbt_dynar_free(&(node->in));
if (node_free_function)
- node_free_function(node->data);
+ (*node_free_function)(node->data);
}
xbt_dynar_foreach(g->edges, cursor, edge) {
if (edge_free_function)
- edge_free_function(edge->data);
+ (*edge_free_function)(edge->data);
}
xbt_dynar_foreach(g->nodes, cursor, node)
xbt_dynar_foreach(g->edges, cursor, edge)
free(edge);
xbt_dynar_free(&(g->edges));
-
+ if(graph_free_function)
+ (*graph_free_function)(g->data);
free(g);
return;
/** @brief remove the given node from the given graph */
void xbt_graph_free_node(xbt_graph_t g, xbt_node_t n,
- void_f_pvoid_t * node_free_function,
- void_f_pvoid_t * edge_free_function)
+ void_f_pvoid_t node_free_function,
+ void_f_pvoid_t edge_free_function)
{
unsigned long nbr;
- int i;
- int cursor = 0;
+ unsigned long i;
+ unsigned int cursor = 0;
xbt_node_t node = NULL;
xbt_edge_t edge = NULL;
nbr = xbt_dynar_length(g->edges);
cursor = 0;
for (i = 0; i < nbr; i++) {
- xbt_dynar_cursor_get(g->edges, &cursor, &edge);
+ xbt_dynar_get_cpy(g->edges, cursor, &edge);
if ((edge->dst == n) || (edge->src == n)) {
xbt_graph_free_edge(g, edge, edge_free_function);
} else
- xbt_dynar_cursor_step(g->edges, &cursor);
+ cursor ++;
}
if ((node_free_function) && (n->data))
- node_free_function(n->data);
+ (*node_free_function)(n->data);
cursor = 0;
xbt_dynar_foreach(g->nodes, cursor, node)
/** @brief remove the given edge from the given graph */
void xbt_graph_free_edge(xbt_graph_t g, xbt_edge_t e,
- void free_function(void *ptr))
+ void_f_pvoid_t free_function)
{
int idx;
- int cursor = 0;
+ unsigned int cursor = 0;
xbt_edge_t edge = NULL;
if ((free_function) && (e->data))
- free_function(e->data);
+ (*free_function)(e->data);
xbt_dynar_foreach(g->edges, cursor, edge) {
if (edge == e) {
int __xbt_find_in_dynar(xbt_dynar_t dynar, void *p)
{
- int cursor = 0;
+ unsigned int cursor = 0;
void *tmp = NULL;
xbt_dynar_foreach(dynar, cursor, tmp) {
*/
double *xbt_graph_get_length_matrix(xbt_graph_t g)
{
- int cursor = 0;
- int in_cursor = 0;
- int idx, i;
+ unsigned int cursor = 0;
+ unsigned int in_cursor = 0;
+ unsigned long idx, i;
unsigned long n;
xbt_edge_t edge = NULL;
xbt_node_t node = NULL;
void xbt_floyd_algorithm(xbt_graph_t g, double *adj, double *d,
xbt_node_t * p)
{
- int i, j, k;
+ unsigned long i, j, k;
unsigned long n;
n = xbt_dynar_length(g->nodes);
{
xbt_node_t *p;
xbt_node_t *r;
- int i, j, k;
+ unsigned long i, j, k;
unsigned long n;
double *adj = NULL;
xbt_node_t node = NULL;
xbt_dynar_t edge_list = NULL;
xbt_heap_t heap = xbt_heap_new(10, NULL);
- int cursor;
+ unsigned int cursor;
xbt_assert0(!(g->directed),
"Spanning trees do not make sense on directed graphs");
{
xbt_node_t *sorted;
- int cursor, idx;
+ unsigned int cursor;
+ int idx;
xbt_node_t node;
unsigned long n;
void xbt_graph_depth_visit(xbt_graph_t g, xbt_node_t n,
xbt_node_t * sorted, int *idx)
{
- int cursor;
+ unsigned int cursor;
xbt_edge_t edge;
if (*((int *) (n->xbtdata)) == ALREADY_EXPLORED)
/** @brief Import a graph from a file following the GraphXML format */
xbt_graph_t xbt_graph_read(const char *filename,
- void *(node_label_and_data) (xbt_node_t,
+ void *(*node_label_and_data) (xbt_node_t,
const char *,
const char *),
- void *(edge_label_and_data) (xbt_edge_t,
+ void *(*edge_label_and_data) (xbt_edge_t,
const char *,
const char *))
{
ETag_graphxml_edge_fun = __parse_edge;
xbt_graph_parse_open(filename);
- xbt_assert1((!xbt_graph_parse()), "Parse error in %s", filename);
+ xbt_assert1((!(*xbt_graph_parse)()), "Parse error in %s", filename);
xbt_graph_parse_close();
graph = parsed_graph;
const char *(node_name) (xbt_node_t),
const char *(edge_name) (xbt_edge_t))
{
- int cursor = 0;
+ unsigned int cursor = 0;
xbt_node_t node = NULL;
xbt_edge_t edge = NULL;
FILE *file = NULL;
const char *(node_data_print) (void *),
const char *(edge_data_print) (void *))
{
- int cursor = 0;
+ unsigned int cursor = 0;
xbt_node_t node = NULL;
xbt_edge_t edge = NULL;
FILE *file = NULL;
