1 files changed, 45 insertions, 0 deletions
diff --git a/libgfortran/m4/exponent.m4 b/libgfortran/m4/exponent.m4
new file mode 100644
index 000000000..043f150fc
--- /dev/null
+++ b/libgfortran/m4/exponent.m4
@@ -0,0 +1,45 @@
+`/* Implementation of the EXPONENT intrinsic
+   Copyright 2003, 2007, 2009, 2010 Free Software Foundation, Inc.
+   Contributed by Richard Henderson <rth@redhat.com>.
+
+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"'
+
+include(`mtype.m4')dnl
+
+mathfunc_macro
+
+`#if defined (HAVE_'real_type`) && 'hasmathfunc(frexp)`
+
+extern GFC_INTEGER_4 exponent_r'kind` ('real_type` s);
+export_proto(exponent_r'kind`);
+
+GFC_INTEGER_4
+exponent_r'kind` ('real_type` s)
+{
+  int ret;
+  MATHFUNC(frexp) (s, &ret);
+  return ret;
+}
+
+#endif'