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 +1,65 @@
+/*
+   igraph library.
+   Copyright (C) 2010-2012  Gabor Csardi <csardi.gabor@gmail.com>
+   334 Harvard street, Cambridge, MA 02139 USA
+
+   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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301 USA
+
+*/
+
+#include <igraph.h>
+
+int main(void) {
+    igraph_t g;
+    igraph_vector_int_list_t blocks;
+    igraph_vector_int_t cohesion;
+    igraph_vector_int_t parent;
+    igraph_t block_tree;
+    igraph_int_t i;
+
+    /* Initialize the library. */
+    igraph_setup();
+
+    igraph_famous(&g, "zachary");
+    igraph_vector_int_list_init(&blocks, 0);
+    igraph_vector_int_init(&cohesion, 0);
+    igraph_vector_int_init(&parent, 0);
+
+    igraph_cohesive_blocks(&g, &blocks, &cohesion, &parent,
+                           &block_tree);
+
+    printf("Blocks:\n");
+    for (i = 0; i < igraph_vector_int_list_size(&blocks); i++) {
+        igraph_vector_int_t *sg = igraph_vector_int_list_get_ptr(&blocks, i);
+        printf("  ");
+        igraph_vector_int_print(sg);
+    }
+    printf("Cohesion:\n  ");
+    igraph_vector_int_print(&cohesion);
+    printf("Parents:\n  ");
+    igraph_vector_int_print(&parent);
+    printf("Block graph:\n");
+    igraph_write_graph_edgelist(&block_tree, stdout);
+
+    igraph_vector_int_list_destroy(&blocks);
+    igraph_vector_int_destroy(&cohesion);
+    igraph_vector_int_destroy(&parent);
+    igraph_destroy(&block_tree);
+
+    igraph_destroy(&g);
+
+    return 0;
+}