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 +1,175 @@
+/*
+   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 "bench.h"
+
+#define TOSTR1(x) #x
+#define TOSTR(x) TOSTR1(x)
+
+#define BENCH_BLOCK() \
+    BENCH(" 1 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=3, all, " TOSTR(REP) "x", \
+          REPEAT(igraph_ecc(&g, &ecc, igraph_ess_all(IGRAPH_EDGEORDER_ID), 3, false, true), REP); \
+    ); \
+    BENCH(" 2 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=3, subset: all, " TOSTR(REP) "x", \
+          REPEAT(igraph_ecc(&g, &ecc, igraph_ess_range(0, igraph_ecount(&g)), 3, false, true), REP); \
+    ); \
+    \
+    igraph_random_sample(&eids, 0, igraph_ecount(&g)-1, SS); \
+    \
+    BENCH(" 3 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=3, subset: " TOSTR(SS) ", " TOSTR(SREP) "x", \
+          REPEAT(igraph_ecc(&g, &ecc, igraph_ess_vector(&eids), 3, false, true), SREP); \
+    ); \
+    \
+    BENCH(" 4 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=4, all, " TOSTR(REP) "x", \
+          REPEAT(igraph_ecc(&g, &ecc, igraph_ess_all(IGRAPH_EDGEORDER_ID), 4, false, true), REP); \
+    ); \
+    \
+    BENCH(" 4 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=4, subset: all, " TOSTR(REP) "x", \
+          REPEAT(igraph_ecc(&g, &ecc, igraph_ess_range(0, igraph_ecount(&g)), 4, false, true), REP); \
+    ); \
+    BENCH(" 5 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=4, subset: " TOSTR(SS) ", " TOSTR(SREP) "x", \
+          REPEAT(igraph_ecc(&g, &ecc, igraph_ess_vector(&eids), 4, false, true), SREP); \
+    );
+
+int main(void) {
+    igraph_t g;
+    igraph_vector_t ecc;
+    igraph_vector_int_t eids;
+
+    igraph_rng_seed(igraph_rng_default(), 137);
+    BENCH_INIT();
+
+    igraph_vector_init(&ecc, 0);
+    igraph_vector_int_init(&eids, 0);
+
+    printf("Erdos-Renyi GNM:\n\n");
+
+#define VCOUNT 100
+#define ECOUNT 5000
+#define REP 100
+#define SS 100
+#define SREP 1000
+
+    igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
+    igraph_vector_resize(&ecc, igraph_ecount(&g));
+
+    BENCH_BLOCK()
+
+    igraph_destroy(&g);
+
+#undef VCOUNT
+#undef ECOUNT
+#undef REP
+#undef SS
+#undef SREP
+
+    printf("\n");
+
+#define VCOUNT 1000
+#define ECOUNT 5000
+#define REP 100
+#define SS 100
+#define SREP 1000
+
+    igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
+    igraph_vector_resize(&ecc, igraph_ecount(&g));
+
+    BENCH_BLOCK()
+
+    igraph_destroy(&g);
+
+#undef VCOUNT
+#undef ECOUNT
+#undef REP
+#undef SS
+#undef SREP
+
+    printf("\n");
+
+#define VCOUNT 10000
+#define ECOUNT 10000
+#define REP 100
+#define SS 100
+#define SREP 1000
+
+    igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
+    igraph_vector_resize(&ecc, igraph_ecount(&g));
+
+    BENCH_BLOCK()
+
+    igraph_destroy(&g);
+
+#undef VCOUNT
+#undef ECOUNT
+#undef REP
+#undef SS
+#undef SREP
+
+    printf("\n");
+
+#define VCOUNT 10000
+#define ECOUNT 50000
+#define REP 100
+#define SS 100
+#define SREP 1000
+
+    igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
+    igraph_vector_resize(&ecc, igraph_ecount(&g));
+
+    BENCH_BLOCK()
+
+    igraph_destroy(&g);
+
+#undef VCOUNT
+#undef ECOUNT
+#undef REP
+#undef SS
+#undef SREP
+
+    printf("\n");
+
+#define VCOUNT 10000
+#define ECOUNT 50000
+#define REP 100
+#define SS 100
+#define SREP 1000
+
+    printf("Barabasi:\n\n");
+
+    igraph_barabasi_game(&g,
+                         VCOUNT, 1, ECOUNT / VCOUNT, NULL, true, 0,
+                         IGRAPH_UNDIRECTED, IGRAPH_BARABASI_PSUMTREE_MULTIPLE, NULL);
+    igraph_vector_resize(&ecc, igraph_ecount(&g));
+
+    BENCH_BLOCK()
+
+    igraph_destroy(&g);
+
+#undef VCOUNT
+#undef ECOUNT
+#undef REP
+#undef SS
+#undef SREP
+
+    igraph_vector_int_destroy(&eids);
+    igraph_vector_destroy(&ecc);
+
+    return 0;
+}