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Annotation of OpenXM_contrib/gmp/mpz/urandomb.c, Revision 1.1.1.2

1.1       maekawa     1: /* mpz_urandomb (rop, state, n) -- Generate a uniform pseudorandom
                      2:    integer in the range 0 to 2^N - 1, inclusive, using STATE as the
                      3:    random state previously initialized by a call to gmp_randinit().
                      4:
1.1.1.2 ! ohara       5: Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
1.1       maekawa     6:
                      7: This file is part of the GNU MP Library.
                      8:
                      9: The GNU MP Library is free software; you can redistribute it and/or modify
                     10: it under the terms of the GNU Lesser General Public License as published by
                     11: the Free Software Foundation; either version 2.1 of the License, or (at your
                     12: option) any later version.
                     13:
                     14: The GNU MP Library is distributed in the hope that it will be useful, but
                     15: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     16: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
                     17: License for more details.
                     18:
                     19: You should have received a copy of the GNU Lesser General Public License
                     20: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     21: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     22: MA 02111-1307, USA. */
                     23:
                     24: #include "gmp.h"
                     25: #include "gmp-impl.h"
                     26:
                     27: void
1.1.1.2 ! ohara      28: mpz_urandomb (mpz_ptr rop, gmp_randstate_t rstate, unsigned long int nbits)
1.1       maekawa    29: {
                     30:   mp_ptr rp;
                     31:   mp_size_t size;
                     32:
1.1.1.2 ! ohara      33:   size = (nbits + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS;
1.1       maekawa    34:   if (ALLOC (rop) < size)
                     35:     _mpz_realloc (rop, size);
                     36:
                     37:   rp = PTR (rop);
                     38:
                     39:   _gmp_rand (rp, rstate, nbits);
                     40:   MPN_NORMALIZE (rp, size);
                     41:   SIZ (rop) = size;
                     42: }