+/*
+atlc - arbitrary transmission line calculator, for the analysis of
+transmission lines are directional couplers.
+
+Copyright (C) 2002. Dr. David Kirkby, PhD (G8WRB).
+
+This program 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 package_version 2
+of the License, or (at your option) any later package_version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA.
+
+Dr. David Kirkby, e-mail drkirkby@gmail.com
+
+This is haevily hacked from the gsl_types.h file which is copyright
+
+* Copyright (C) 2001 Brian Gough
+and for part of the GNU Scientific library (gsl).
+
+It is not identical and only contrains a subset of the information
+from that file and is hacked somewhat.
+
+*/
+
+
+#ifndef __GSL_TYPES_H__
+#define __GSL_TYPES_H__
+
+#ifndef GSL_VAR
+
+#ifdef WIN32
+# ifdef _DLL
+# ifdef DLL_EXPORT
+# define GSL_VAR __declspec(dllexport)
+# else
+# define GSL_VAR __declspec(dllimport)
+# endif
+# else
+# define GSL_VAR extern
+# endif
+#else
+# define GSL_VAR extern
+#endif
+
+#endif
+
+#endif /* __GSL_TYPES_H__ */