Add graph references

2026-06-28 13:49:01 +01:00
parent 0a9807e448
commit a11edf0c53
2578 changed files with 868045 additions and 0 deletions
@@ -0,0 +1,37 @@
+
+#include <igraph.h>
+
+int main(void) {
+    igraph_t g1, g2;
+    igraph_bool_t iso;
+
+    /* Initialize the library. */
+    igraph_setup();
+
+    /* Seed the default random number generator and create a random graph. */
+    igraph_rng_seed(igraph_rng_default(), 1122);
+
+    igraph_erdos_renyi_game_gnp(&g1, 100, 3.0 / 100, IGRAPH_UNDIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
+
+    /* Seed the generator with the same seed again,
+     * and create a graph with the same method. */
+
+    igraph_rng_seed(igraph_rng_default(), 1122);
+
+    igraph_erdos_renyi_game_gnp(&g2, 100, 3.0 / 100, IGRAPH_UNDIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
+
+    /* The two graphs will be identical. */
+
+    igraph_is_same_graph(&g1, &g2, &iso);
+
+    if (!iso) {
+        return 1;
+    }
+
+    /* Destroy no longer needed data structures. */
+
+    igraph_destroy(&g2);
+    igraph_destroy(&g1);
+
+    return 0;
+}