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Diffstat (limited to 'rts/gmp/mpz/urandomb.c')
-rw-r--r--rts/gmp/mpz/urandomb.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/rts/gmp/mpz/urandomb.c b/rts/gmp/mpz/urandomb.c
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+/* mpz_urandomb (rop, state, n) -- Generate a uniform pseudorandom
+ integer in the range 0 to 2^N - 1, inclusive, using STATE as the
+ random state previously initialized by a call to gmp_randinit().
+
+Copyright (C) 1999, 2000 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., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+#if __STDC__
+mpz_urandomb (mpz_t rop, gmp_randstate_t rstate, unsigned long int nbits)
+#else
+mpz_urandomb (rop, rstate, nbits)
+ mpz_t rop;
+ gmp_randstate_t rstate;
+ unsigned long int nbits;
+#endif
+{
+ mp_ptr rp;
+ mp_size_t size;
+
+ size = (nbits + BITS_PER_MP_LIMB - 1) / BITS_PER_MP_LIMB;
+ if (ALLOC (rop) < size)
+ _mpz_realloc (rop, size);
+
+ rp = PTR (rop);
+
+ _gmp_rand (rp, rstate, nbits);
+ MPN_NORMALIZE (rp, size);
+ SIZ (rop) = size;
+}