--- /dev/null
+/* mpf_set_d -- Assign a float from a double.
+
+Copyright 1993, 1994, 1995, 1996, 2001, 2003, 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 "config.h"
+
+#if HAVE_FLOAT_H
+#include <float.h> /* for DBL_MAX */
+#endif
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+mpf_set_d (mpf_ptr r, double d)
+{
+ int negative;
+
+ DOUBLE_NAN_INF_ACTION (d,
+ __gmp_invalid_operation (),
+ __gmp_invalid_operation ());
+
+ if (UNLIKELY (d == 0))
+ {
+ SIZ(r) = 0;
+ EXP(r) = 0;
+ return;
+ }
+ negative = d < 0;
+ d = ABS (d);
+
+ SIZ(r) = negative ? -LIMBS_PER_DOUBLE : LIMBS_PER_DOUBLE;
+ EXP(r) = __gmp_extract_double (PTR(r), d);
+}