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 +1,52 @@
+/*
+   igraph library.
+   Copyright (C) 2024  The igraph development team <igraph@igraph.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <igraph.h>
+#include <stdio.h>
+
+int main(void) {
+    igraph_t left, right, joined;
+
+    /* Initialize the library. */
+    igraph_setup();
+
+    igraph_small(&left, 4, IGRAPH_UNDIRECTED, 0,1, 1,2, 2,2, -1);
+    igraph_small(&right, 5, IGRAPH_UNDIRECTED, 0,1, 1,2, 2,2, 2,4, -1);
+
+    igraph_join(&joined, &left, &right);
+    igraph_write_graph_edgelist(&joined, stdout);
+    printf("\n");
+
+    igraph_destroy(&left);
+    igraph_destroy(&right);
+    igraph_destroy(&joined);
+
+
+    igraph_small(&left, 2, IGRAPH_DIRECTED, 0,1, -1);
+    igraph_small(&right, 3, IGRAPH_DIRECTED, 0,1, 2,1, -1);
+
+    igraph_join(&joined, &left, &right);
+    igraph_write_graph_edgelist(&joined, stdout);
+    printf("\n");
+
+    igraph_destroy(&left);
+    igraph_destroy(&right);
+    igraph_destroy(&joined);
+
+    return 0;
+}