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https://github.com/vale981/arb
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This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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Copyright (C) 2015 Tommy Hofmann
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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 "arb_mat.h"
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void
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arb_mat_transpose(arb_mat_t B, const arb_mat_t A)
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{
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slong i, j;
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if (arb_mat_nrows(B) != arb_mat_ncols(A) || arb_mat_ncols(B) != arb_mat_nrows(A))
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{
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flint_printf("Exception (arb_mat_transpose). Incompatible dimensions.\n");
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flint_abort();
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}
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if (arb_mat_is_empty(A))
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return;
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if (A == B) /* In-place, guaranteed to be square */
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{
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for (i = 0; i < arb_mat_nrows(A) - 1; i++)
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{
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for (j = i + 1; j < arb_mat_ncols(A); j++)
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{
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arb_swap(arb_mat_entry(A, i, j), arb_mat_entry(A, j, i));
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}
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}
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}
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else /* Not aliased; general case */
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{
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for (i = 0; i < arb_mat_nrows(B); i++)
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for (j = 0; j < arb_mat_ncols(B); j++)
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arb_set(arb_mat_entry(B, i, j), arb_mat_entry(A, j, i));
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}
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}
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