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-rw-r--r--rts/gmp/mpz/random2.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/rts/gmp/mpz/random2.c b/rts/gmp/mpz/random2.c
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+/* mpz_random2 -- Generate a positive random mpz_t of specified size, with
+ long runs of consecutive ones and zeros in the binary representation.
+ Meant for testing of other MP routines.
+
+Copyright (C) 1991, 1993, 1994, 1996 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_random2 (mpz_ptr x, mp_size_t size)
+#else
+mpz_random2 (x, size)
+ mpz_ptr x;
+ mp_size_t size;
+#endif
+{
+ mp_size_t abs_size;
+
+ abs_size = ABS (size);
+ if (abs_size != 0)
+ {
+ if (x->_mp_alloc < abs_size)
+ _mpz_realloc (x, abs_size);
+
+ mpn_random2 (x->_mp_d, abs_size);
+ }
+
+ x->_mp_size = size;
+}