pqc/external/flint-2.4.3/fmpz_poly/evaluate_mpq.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) 2010 Sebastian Pancratz
******************************************************************************/
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_poly.h"
void
_fmpz_poly_evaluate_mpq(fmpz_t rnum, fmpz_t rden, const fmpz * f, slong len,
const fmpz_t anum, const fmpz_t aden)
{
_fmpz_poly_evaluate_horner_mpq(rnum, rden, f, len, anum, aden);
}
void
fmpz_poly_evaluate_mpq(mpq_t res, const fmpz_poly_t f, const mpq_t a)
{
fmpz_t rnum, rden, anum, aden;
fmpz_init(rnum);
fmpz_init(rden);
fmpz_init(anum);
fmpz_init(aden);
fmpz_set_mpz(anum, mpq_numref(a));
fmpz_set_mpz(aden, mpq_denref(a));
_fmpz_poly_evaluate_mpq(rnum, rden, f->coeffs, f->length, anum, aden);
fmpz_get_mpz(mpq_numref(res), rnum);
fmpz_get_mpz(mpq_denref(res), rden);
fmpz_clear(rnum);
fmpz_clear(rden);
fmpz_clear(anum);
fmpz_clear(aden);
}