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/* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2012 Gabor Csardi <csardi.gabor@gmail.com>
334 Harvard st, 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() {
igraph_t small, big;
igraph_matrix_t small_coords, big_coords, merged_coords;
igraph_vector_ptr_t graph_ptr, coords_ptr;
igraph_arpack_options_t arpack_opts;
/* To make things reproducible */
igraph_rng_seed(igraph_rng_default(), 42);
igraph_small(&big, 10, IGRAPH_UNDIRECTED,
0,1, 1,2, 2,3, 3,4, 4,5, 5,6, 6,7, 7,8, 8,9, 9,0,
-1);
igraph_small(&small, 3, IGRAPH_UNDIRECTED,
0,1, 1,2, 2,0,
-1);
igraph_arpack_options_init(&arpack_opts);
igraph_matrix_init(&big_coords, 0, 0);
igraph_layout_mds(&big, &big_coords, /*dist=*/ 0, /*dim=*/ 2,
&arpack_opts);
igraph_matrix_init(&small_coords, 0, 0);
igraph_layout_mds(&small, &small_coords, /*dist=*/ 0, /*dim=*/ 2,
&arpack_opts);
igraph_vector_ptr_init(&graph_ptr, 2);
igraph_vector_ptr_init(&coords_ptr, 2);
igraph_matrix_init(&merged_coords, 0, 0);
VECTOR(graph_ptr)[0] = &big;
VECTOR(graph_ptr)[1] = &small;
VECTOR(coords_ptr)[0] = &big_coords;
VECTOR(coords_ptr)[1] = &small_coords;
igraph_layout_merge_dla(&graph_ptr, &coords_ptr, &merged_coords);
igraph_matrix_print(&merged_coords);
igraph_matrix_destroy(&merged_coords);
igraph_matrix_destroy(&small_coords);
igraph_matrix_destroy(&big_coords);
igraph_vector_ptr_destroy(&graph_ptr);
igraph_vector_ptr_destroy(&coords_ptr);
igraph_destroy(&small);
igraph_destroy(&big);
#ifdef __APPLE__
return 0;
#else
return 77;
#endif
}
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