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 +1,56 @@
+/*
+   igraph library.
+   Copyright (C) 2022  The igraph development team
+
+   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>
+#include <stdio.h>
+
+#include "test_utilities.h"
+
+void test_input(const char *filename) {
+    igraph_t graph;
+    FILE *ifile;
+
+    ifile = fopen(filename, "r");
+    if (! ifile) {
+        IGRAPH_FATALF("Cannot open '%s'.\n", filename);
+    }
+
+    printf("===== %s =====\n", filename);
+
+    IGRAPH_ASSERT(igraph_read_graph_gml(&graph, ifile) == IGRAPH_SUCCESS);
+    IGRAPH_ASSERT(igraph_write_graph_gml(&graph, stdout, IGRAPH_WRITE_GML_DEFAULT_SW, NULL, "igraph") == IGRAPH_SUCCESS);
+    igraph_destroy(&graph);
+
+    VERIFY_FINALLY_STACK();
+
+    printf("======================\n\n");
+}
+
+int main(void) {
+
+    /* Enable attribute handling */
+    igraph_set_attribute_table(&igraph_cattribute_table);
+
+    test_input("graph1.gml");
+    test_input("graph2.gml");
+    test_input("graph3.gml");
+
+    return 0;
+}