--- /dev/null
+/* double mpz_get_d (mpz_t src) -- Return the double approximation to SRC.
+
+Copyright 1996, 1997, 2000, 2001, 2002, 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 "gmp.h"
+#include "gmp-impl.h"
+
+double
+mpz_get_d (mpz_srcptr z)
+{
+ mp_size_t size;
+
+ size = SIZ (z);
+ if (UNLIKELY (size == 0))
+ return 0.0;
+
+ return mpn_get_d (PTR (z), ABS (size), size, 0L);
+}