--- /dev/null
+/* mpf_set_z -- Assign a float from an integer.
+
+Copyright 1996, 2001, 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 "gmp.h"
+#include "gmp-impl.h"
+
+void
+mpf_set_z (mpf_ptr r, mpz_srcptr u)
+{
+ mp_ptr rp, up;
+ mp_size_t size, asize;
+ mp_size_t prec;
+
+ prec = PREC (r) + 1;
+ size = SIZ (u);
+ asize = ABS (size);
+ rp = PTR (r);
+ up = PTR (u);
+
+ EXP (r) = asize;
+
+ if (asize > prec)
+ {
+ up += asize - prec;
+ asize = prec;
+ }
+
+ SIZ (r) = size >= 0 ? asize : -asize;
+ MPN_COPY (rp, up, asize);
+}