56 lines
1.7 KiB
C
56 lines
1.7 KiB
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) 2007 David Howden
|
|
Copyright (C) 2007, 2008, 2009, 2010 William Hart
|
|
Copyright (C) 2008 Richard Howell-Peak
|
|
Copyright (C) 2011 Fredrik Johansson
|
|
|
|
******************************************************************************/
|
|
|
|
#include "fmpz_mod_poly.h"
|
|
|
|
ulong fmpz_mod_poly_remove(fmpz_mod_poly_t f, const fmpz_mod_poly_t g)
|
|
{
|
|
fmpz_mod_poly_t q, r;
|
|
ulong i = 0;
|
|
|
|
fmpz_mod_poly_init(q, &g->p);
|
|
fmpz_mod_poly_init(r, &g->p);
|
|
|
|
while (1)
|
|
{
|
|
if (f->length < g->length)
|
|
break;
|
|
fmpz_mod_poly_divrem(q, r, f, g);
|
|
if (r->length == 0)
|
|
fmpz_mod_poly_swap(q, f);
|
|
else
|
|
break;
|
|
i++;
|
|
}
|
|
|
|
fmpz_mod_poly_clear(q);
|
|
fmpz_mod_poly_clear(r);
|
|
|
|
return i;
|
|
}
|