pqc/external/flint-2.4.3/fmpz_mod_poly/init.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
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 <gmp.h>
#include <stdlib.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_mod_poly.h"
void fmpz_mod_poly_init(fmpz_mod_poly_t poly, const fmpz_t p)
{
poly->coeffs = NULL;
poly->alloc = 0;
poly->length = 0;
fmpz_init(&(poly->p));
fmpz_set(&(poly->p), p);
}
void fmpz_mod_poly_init2(fmpz_mod_poly_t poly, const fmpz_t p, slong alloc)
{
if (alloc) /* allocate space for alloc small coeffs */
poly->coeffs = (fmpz *) flint_calloc(alloc, sizeof(fmpz));
else
poly->coeffs = NULL;
poly->alloc = alloc;
poly->length = 0;
fmpz_init(&(poly->p));
fmpz_set(&(poly->p), p);
}