1 /* mpz_random -- Generate a random mpz_t of specified size.
2 This function is non-portable and generates poor random numbers.
4 Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc.
6 This file is part of the GNU MP Library.
8 The GNU MP Library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Library General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or (at your
11 option) any later version.
13 The GNU MP Library is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
16 License for more details.
18 You should have received a copy of the GNU Library General Public License
19 along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 MA 02111-1307, USA. */
29 mpz_random (mpz_ptr x, mp_size_t size)
41 abs_size = ABS (size);
43 if (x->_mp_alloc < abs_size)
44 _mpz_realloc (x, abs_size);
48 for (i = 0; i < abs_size; i++)
54 MPN_NORMALIZE (xp, abs_size);
55 x->_mp_size = size < 0 ? -abs_size : abs_size;