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6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
33 lines
775 B
C
33 lines
775 B
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_trace(const bool_mat_t mat)
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{
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slong i;
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if (!bool_mat_is_square(mat))
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{
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flint_printf("bool_mat_trace: a square matrix is required!\n");
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flint_abort();
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}
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if (bool_mat_is_empty(mat))
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return 0;
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for (i = 0; i < bool_mat_nrows(mat); i++)
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if (bool_mat_get_entry(mat, i, i))
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return 1;
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return 0;
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}
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