59 lines
1.8 KiB
C
59 lines
1.8 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) 2011 Sebastian Pancratz
|
||
|
|
||
|
******************************************************************************/
|
||
|
|
||
|
#include "flint.h"
|
||
|
#include "fmpz_poly.h"
|
||
|
|
||
|
void fmpz_poly_factor_set(fmpz_poly_factor_t res, const fmpz_poly_factor_t fac)
|
||
|
{
|
||
|
if (res != fac)
|
||
|
{
|
||
|
if (fac->num == 0)
|
||
|
{
|
||
|
fmpz_poly_factor_clear(res);
|
||
|
fmpz_poly_factor_init(res);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
slong i;
|
||
|
|
||
|
fmpz_poly_factor_fit_length(res, fac->num);
|
||
|
fmpz_set(&(res->c), &(fac->c));
|
||
|
for (i = 0; i < fac->num; i++)
|
||
|
{
|
||
|
fmpz_poly_set(res->p + i, fac->p + i);
|
||
|
res->exp[i] = fac->exp[i];
|
||
|
}
|
||
|
for ( ; i < res->num; i++)
|
||
|
{
|
||
|
fmpz_poly_zero(res->p + i);
|
||
|
res->exp[i] = 0;
|
||
|
}
|
||
|
res->num = fac->num;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|