--- /dev/null
+/* Test mpf_set.
+
+Copyright 2004 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"
+
+void
+check_reuse (void)
+{
+ /* Try mpf_set(f,f) when f is bigger than prec. In the past this had
+ resulted in an MPN_COPY with invalid operand overlap. */
+ mpf_t f;
+ mp_size_t limbs = 20;
+ unsigned long bits = limbs * GMP_NUMB_BITS;
+ mpf_init2 (f, bits);
+ refmpf_fill (f, limbs, GMP_NUMB_MAX);
+ mpf_set_prec_raw (f, bits / 2);
+ mpf_set (f, f);
+ MPF_CHECK_FORMAT (f);
+ mpf_set_prec_raw (f, bits);
+ mpf_clear (f);
+}
+
+int
+main (void)
+{
+ tests_start ();
+
+ check_reuse ();
+
+ tests_end ();
+ exit (0);
+}