pqc/external/flint-2.4.3/fmpz_poly_q/scalar_mul_mpq.c
2014-05-24 23:16:06 +02:00

45 lines
1.6 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) 2010, 2011 Sebastian Pancratz
******************************************************************************/
#include "fmpz_poly_q.h"
void fmpz_poly_q_scalar_mul_mpq(fmpz_poly_q_t rop,
const fmpz_poly_q_t op, const mpq_t x)
{
fmpz_t num, den;
fmpz_init(num);
fmpz_init(den);
fmpz_set_mpz(num, mpq_numref(x));
fmpz_set_mpz(den, mpq_denref(x));
fmpz_poly_scalar_mul_fmpz(rop->num, op->num, num);
fmpz_poly_scalar_mul_fmpz(rop->den, op->den, den);
fmpz_poly_q_canonicalise(rop);
fmpz_clear(num);
fmpz_clear(den);
}