1 /* mpn_random -- Generate random numbers.
3 Copyright 2001, 2002 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
24 mpn_random (mp_ptr ptr, mp_size_t size)
26 gmp_randstate_ptr rands;
28 /* FIXME: Is size==0 supposed to be allowed? */
35 _gmp_rand (ptr, rands, size * GMP_NUMB_BITS);
37 /* Make sure the most significant limb is non-zero. */
38 while (ptr[size-1] == 0)
39 _gmp_rand (&ptr[size-1], rands, GMP_NUMB_BITS);