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) 2010 William Hart
|
|
|
|
******************************************************************************/
|
|
|
|
#include <gmp.h>
|
|
#include <stdlib.h>
|
|
#include "flint.h"
|
|
#include "ulong_extras.h"
|
|
#include "nmod_poly.h"
|
|
|
|
void
|
|
nmod_poly_init2_preinv(nmod_poly_t poly,
|
|
mp_limb_t n, mp_limb_t ninv, slong alloc)
|
|
{
|
|
if (alloc)
|
|
poly->coeffs = (mp_ptr) flint_malloc(alloc * sizeof(mp_limb_t));
|
|
else
|
|
poly->coeffs = NULL;
|
|
|
|
poly->mod.n = n;
|
|
poly->mod.ninv = ninv;
|
|
|
|
count_leading_zeros(poly->mod.norm, n);
|
|
|
|
poly->alloc = alloc;
|
|
poly->length = 0;
|
|
}
|
|
|
|
void
|
|
nmod_poly_init2(nmod_poly_t poly, mp_limb_t n, slong alloc)
|
|
{
|
|
nmod_poly_init2_preinv(poly, n, n_preinvert_limb(n), alloc);
|
|
}
|