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

44 lines
1.5 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 Fredrik Johansson
******************************************************************************/
#include "fmpq.h"
void
_fmpq_randbits(fmpz_t num, fmpz_t den, flint_rand_t state, mp_bitcnt_t bits)
{
fmpz_randbits(num, state, bits);
do {
fmpz_randbits(den, state, bits);
} while (fmpz_is_zero(den));
_fmpq_canonicalise(num, den);
}
void fmpq_randbits(fmpq_t res, flint_rand_t state, mp_bitcnt_t bits)
{
_fmpq_randbits(fmpq_numref(res), fmpq_denref(res), state, bits);
}