new file mode 100644
--- /dev/null
+++ b/libcruft/slatec-fn/xdgamit.f
@@ -0,0 +1,5 @@
+      subroutine xdgamit (a, x, result)
+      double precision a, x, result, dgamit
+      result = dgamit (a, x)
+      return
+      end

new file mode 100644
--- /dev/null
+++ b/src/ov-base-scalar.h
@@ -0,0 +1,101 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave 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 2, or (at your option) any
+later version.
+
+Octave 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.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_base_scalar_h)
+#define octave_base_scalar_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+#include <cstdlib>
+
+#include <string>
+
+class ostream;
+
+#include "lo-mappers.h"
+#include "lo-utils.h"
+#include "oct-alloc.h"
+#include "str-vec.h"
+
+#include "ov-base.h"
+#include "ov-typeinfo.h"
+
+// Real scalar values.
+
+template <class ST>
+class
+octave_base_scalar : public octave_base_value
+{
+public:
+
+  octave_base_scalar (void)
+    : octave_base_value () { }
+
+  octave_base_scalar (ST s)
+    : octave_base_value (), scalar (s) { }
+
+  octave_base_scalar (const octave_base_scalar& s)
+    : octave_base_value (), scalar (s.scalar) { }
+
+  ~octave_base_scalar (void) { }
+
+  int rows (void) const { return 1; }
+
+  int columns (void) const { return 1; }
+
+  int length (void) const { return 1; }
+
+  bool is_constant (void) const { return true; }
+
+  bool is_defined (void) const { return true; }
+
+  octave_value all (void) const { return (scalar != 0.0); }
+
+  octave_value any (void) const { return (scalar != 0.0); }
+
+  bool is_scalar_type (void) const { return true; }
+
+  bool is_numeric_type (void) const { return true; }
+
+  bool is_true (void) const { return (scalar != 0.0); }
+
+  void print (ostream& os, bool pr_as_read_syntax = false) const;
+
+  void print_raw (ostream& os, bool pr_as_read_syntax = false) const;
+
+  bool print_name_tag (ostream& os, const string& name) const;
+
+protected:
+
+  // The value of this scalar.
+  ST scalar;
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/

new file mode 100644
--- /dev/null
+++ b/test/octave.test/arith/exp-5.m
@@ -0,0 +1,1 @@
+exp (Inf) == Inf && exp (-Inf) == 0 && isnan (exp (NaN))