mirror of
https://github.com/vale981/arb
synced 2025-03-04 17:01:40 -05:00
6bf072eb59
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
/*
|
|
Copyright (C) 2015 Tommy Hofmann
|
|
|
|
This file is part of Arb.
|
|
|
|
Arb is free software: you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License (LGPL) as published
|
|
by the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version. See <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "arb_mat.h"
|
|
|
|
void
|
|
arb_mat_transpose(arb_mat_t B, const arb_mat_t A)
|
|
{
|
|
slong i, j;
|
|
|
|
if (arb_mat_nrows(B) != arb_mat_ncols(A) || arb_mat_ncols(B) != arb_mat_nrows(A))
|
|
{
|
|
flint_printf("Exception (arb_mat_transpose). Incompatible dimensions.\n");
|
|
flint_abort();
|
|
}
|
|
|
|
if (arb_mat_is_empty(A))
|
|
return;
|
|
|
|
if (A == B) /* In-place, guaranteed to be square */
|
|
{
|
|
for (i = 0; i < arb_mat_nrows(A) - 1; i++)
|
|
{
|
|
for (j = i + 1; j < arb_mat_ncols(A); j++)
|
|
{
|
|
arb_swap(arb_mat_entry(A, i, j), arb_mat_entry(A, j, i));
|
|
}
|
|
}
|
|
}
|
|
else /* Not aliased; general case */
|
|
{
|
|
for (i = 0; i < arb_mat_nrows(B); i++)
|
|
for (j = 0; j < arb_mat_ncols(B); j++)
|
|
arb_set(arb_mat_entry(B, i, j), arb_mat_entry(A, j, i));
|
|
}
|
|
}
|