40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* mpz_urandomb (rop, state, n) -- Generate a uniform pseudorandom
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integer in the range 0 to 2^N - 1, inclusive, using STATE as the
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random state previously initialized by a call to gmp_randinit().
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Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "mpir.h"
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#include "gmp-impl.h"
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void
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mpz_urandomb (mpz_ptr rop, gmp_randstate_t rstate, mp_bitcnt_t nbits)
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{
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mp_ptr rp;
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mp_size_t size;
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size = BITS_TO_LIMBS (nbits);
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rp = MPZ_REALLOC (rop, size);
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_gmp_rand (rp, rstate, nbits);
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MPN_NORMALIZE (rp, size);
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SIZ (rop) = size;
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}
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