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+/* Implementation of the SPACING intrinsic
+ Copyright 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
+ Contributed by Steven G. Kargl <kargl@gcc.gnu.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran 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 General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+
+
+
+#define MATHFUNC(funcname) funcname ## l
+
+#if defined (HAVE_GFC_REAL_10) && defined (HAVE_FREXPL)
+
+extern GFC_REAL_10 spacing_r10 (GFC_REAL_10 s, int p, int emin, GFC_REAL_10 tiny);
+export_proto(spacing_r10);
+
+GFC_REAL_10
+spacing_r10 (GFC_REAL_10 s, int p, int emin, GFC_REAL_10 tiny)
+{
+ int e;
+ if (s == 0.)
+ return tiny;
+ MATHFUNC(frexp) (s, &e);
+ e = e - p;
+ e = e > emin ? e : emin;
+#if defined (HAVE_LDEXPL)
+ return MATHFUNC(ldexp) (1., e);
+#else
+ return MATHFUNC(scalbn) (1., e);
+#endif
+}
+
+#endif