Abdelrahman Said
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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igraph library.
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Copyright (C) 2006-2023 The igraph development team <igraph@igraph.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <igraph.h>
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#include <stdio.h>
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int main(void) {
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igraph_t left, right, uni;
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igraph_vector_int_t edge_map1, edge_map2;
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/* Initialize the library. */
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igraph_setup();
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igraph_vector_int_init(&edge_map1, 0);
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igraph_vector_int_init(&edge_map2, 0);
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igraph_small(&left, 4, IGRAPH_DIRECTED,
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0,1, 1,2, 2,2, 2,3, 2,3, 3,2,
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-1);
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igraph_small(&right, 6, IGRAPH_DIRECTED,
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0,1, 1,2, 2,2, 2,3, 5,2,
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-1);
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igraph_union(&uni, &left, &right, &edge_map1, &edge_map2);
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igraph_write_graph_edgelist(&uni, stdout);
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igraph_vector_int_print(&edge_map1);
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igraph_vector_int_print(&edge_map2);
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igraph_destroy(&uni);
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igraph_destroy(&left);
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igraph_destroy(&right);
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igraph_vector_int_destroy(&edge_map2);
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igraph_vector_int_destroy(&edge_map1);
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return 0;
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}
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