--- /dev/null
+/* Test mpz_gcd_ui.
+
+Copyright 2003 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 3 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. If not, see http://www.gnu.org/licenses/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+/* Check mpz_gcd_ui doesn't try to return a value out of range.
+ This was wrong in gmp 4.1.2 with a long long limb. */
+static void
+check_ui_range (void)
+{
+ unsigned long got;
+ mpz_t x;
+ int i;
+
+ mpz_init_set_ui (x, ULONG_MAX);
+
+ for (i = 0; i < 20; i++)
+ {
+ mpz_mul_2exp (x, x, 1L);
+ got = mpz_gcd_ui (NULL, x, 0L);
+ if (got != 0)
+ {
+ printf ("mpz_gcd_ui (ULONG_MAX*2^%d, 0)\n", i);
+ printf (" return %#lx\n", got);
+ printf (" should be 0\n");
+ abort ();
+ }
+ }
+
+ mpz_clear (x);
+}
+
+int
+main (void)
+{
+ tests_start ();
+
+ check_ui_range ();
+
+ tests_end ();
+ exit (0);
+}