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/*=============================================================================
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
Copyright (C) 2012 Lina Kulakova
******************************************************************************/
#include <stdlib.h>
#include "fmpz_mod_poly.h"
void
fmpz_mod_poly_factor_insert(fmpz_mod_poly_factor_t fac,
const fmpz_mod_poly_t poly, slong exp)
{
slong i;
fmpz_t p;
if (poly->length <= 1)
return;
for (i = 0; i < fac->num; i++)
{
if (fmpz_mod_poly_equal(poly, fac->poly + i))
{
fac->exp[i] += exp;
return;
}
}
if (fac->alloc == fac->num)
{
slong new_size = 2 * fac->alloc;
fac->poly =
flint_realloc(fac->poly, sizeof(fmpz_mod_poly_struct) * new_size);
fac->exp = flint_realloc(fac->exp, sizeof(slong) * new_size);
fmpz_init_set_ui(p, 5);
for (i = fac->alloc; i < new_size; i++)
fmpz_mod_poly_init(fac->poly + i, p);
fmpz_clear(p);
fac->alloc = new_size;
}
fmpz_mod_poly_set(fac->poly + fac->num, poly);
fmpz_set(&(fac->poly + fac->num)->p, &poly->p);
fac->exp[fac->num] = exp;
fac->num++;
}
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