mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
41 lines
1 KiB
C
41 lines
1 KiB
C
/*
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Copyright (C) 2016 Arb authors
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "bool_mat.h"
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int
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bool_mat_is_transitive(const bool_mat_t mat)
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{
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slong n, i, j, k;
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if (!bool_mat_is_square(mat))
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{
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flint_printf("bool_mat_is_transitive: a square matrix is required!\n");
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abort();
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}
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if (bool_mat_is_empty(mat))
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return 1;
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n = bool_mat_nrows(mat);
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for (i = 0; i < n; i++)
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for (j = 0; j < n; j++)
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for (k = 0; k < n; k++)
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if (bool_mat_get_entry(mat, i, j) &&
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bool_mat_get_entry(mat, j, k) &&
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!bool_mat_get_entry(mat, i, k))
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{
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return 0;
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}
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return 1;
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}
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