pqc/external/flint-2.4.3/fmpq_mat/transpose.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
This file is part of FLINT.
FLINT 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.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Sebastian Pancratz
******************************************************************************/
#include "fmpq_mat.h"
void fmpq_mat_transpose(fmpq_mat_t rop, const fmpq_mat_t op)
{
slong i, j;
if (rop == op)
{
for (i = 0; i < rop->r; i++)
for (j = 0; j < i; j++)
fmpq_swap(fmpq_mat_entry(rop, i, j),
fmpq_mat_entry(rop, j, i));
}
else
{
for (i = 0; i < rop->r; i++)
for (j = 0; j < rop->c; j++)
fmpq_set(fmpq_mat_entry(rop, i, j),
fmpq_mat_entry(op, j, i));
}
}