new file mode 100644
--- /dev/null
+++ b/liboctave/lo-specfun.h
@@ -0,0 +1,90 @@
+/*
+
+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_liboctave_specfun_h)
+#define octave_liboctave_specfun_h 1
+
+class ColumnVector;
+class Matrix;
+class Range;
+
+#if !defined (HAVE_ACOSH)
+extern double acosh (double);
+#endif
+
+#if !defined (HAVE_ASINH)
+extern double asinh (double);
+#endif
+
+#if !defined (HAVE_ATANH)
+extern double atanh (double);
+#endif
+
+#if !defined (HAVE_ERF)
+extern double erf (double);
+#endif
+
+#if !defined (HAVE_ERFC)
+extern double erfc (double);
+#endif
+
+#if !defined (HAVE_GAMMA)
+extern double gamma (double);
+#endif
+
+#if !defined (HAVE_LGAMMA)
+extern double lgamma (double);
+#endif
+
+extern Matrix besselj (double alpha, const Matrix& x);
+extern Matrix bessely (double alpha, const Matrix& x);
+extern Matrix besseli (double alpha, const Matrix& x);
+extern Matrix besselk (double alpha, const Matrix& x);
+
+extern Matrix besselj (const Range& alpha, const ColumnVector& x);
+extern Matrix bessely (const Range& alpha, const ColumnVector& x);
+extern Matrix besseli (const Range& alpha, const ColumnVector& x);
+extern Matrix besselk (const Range& alpha, const ColumnVector& x);
+
+extern double betainc (double x, double a, double b);
+extern Matrix betainc (double x, double a, const Matrix& b);
+extern Matrix betainc (double x, const Matrix& a, double b);
+extern Matrix betainc (double x, const Matrix& a, const Matrix& b);
+
+extern Matrix betainc (const Matrix& x, double a, double b);
+extern Matrix betainc (const Matrix& x, double a, const Matrix& b);
+extern Matrix betainc (const Matrix& x, const Matrix& a, double b);
+extern Matrix betainc (const Matrix& x, const Matrix& a, const Matrix& b);
+
+extern double gammainc (double x, double a);
+extern Matrix gammainc (double x, const Matrix& a);
+extern Matrix gammainc (const Matrix& x, double a);
+extern Matrix gammainc (const Matrix& x, const Matrix& a);
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/