swap.c

/*=============================================================================

    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
    Copyright (C) 2008, 2009 William Hart
   
******************************************************************************/

#include <mpir.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_mod_poly.h"

void fmpz_mod_poly_swap(fmpz_mod_poly_t poly1, fmpz_mod_poly_t poly2)
{
    if (poly1 != poly2)
    {
        long t;
        fmpz *c;

        t             = poly1->length;
        poly1->length = poly2->length;
        poly2->length = t;

        t            = poly1->alloc;
        poly1->alloc = poly2->alloc;
        poly2->alloc = t;

        c             = poly1->coeffs;
        poly1->coeffs = poly2->coeffs;
        poly2->coeffs = c;
    }
}