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/*
Copyright (C) 2007 David Howden
Copyright (C) 2007, 2008, 2009, 2010 William Hart
Copyright (C) 2008 Richard Howell-Peak
Copyright (C) 2011 Fredrik Johansson
This file is part of FLINT.
FLINT 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 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "fmpz_mod_poly.h"
ulong fmpz_mod_poly_remove(fmpz_mod_poly_t f, const fmpz_mod_poly_t g,
const fmpz_mod_ctx_t ctx)
{
fmpz_mod_poly_t q, r;
ulong i = 0;
fmpz_mod_poly_init(q, ctx);
fmpz_mod_poly_init(r, ctx);
while (1)
{
if (f->length < g->length)
break;
fmpz_mod_poly_divrem(q, r, f, g, ctx);
if (r->length == 0)
fmpz_mod_poly_swap(q, f, ctx);
else
break;
i++;
}
fmpz_mod_poly_clear(q, ctx);
fmpz_mod_poly_clear(r, ctx);
return i;
}