/* mpn_random -- Generate random numbers. Copyright 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU MP Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU MP Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "mpir.h" #include "gmp-impl.h" // This function is Obsolete 13/09/2009 void mpn_random (mp_ptr ptr, mp_size_t size) { gmp_randstate_ptr rands; /* FIXME: Is size==0 supposed to be allowed? */ ASSERT (size >= 0); if (size == 0) return; rands = RANDS; _gmp_rand (ptr, rands, size * GMP_NUMB_BITS); /* Make sure the most significant limb is non-zero. */ while (ptr[size-1] == 0) _gmp_rand (&ptr[size-1], rands, GMP_NUMB_BITS); }