*
* Interface to GiNaC's symbolic objects. */
-#ifndef _SYMBOL_H_
-#define _SYMBOL_H_
-
-#include <string>
+/*
+ * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ *
+ * 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 version 2 of the License, or
+ * (at your option) any later 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
+ */
-class symbol;
+#ifndef __GINAC_SYMBOL_H__
+#define __GINAC_SYMBOL_H__
-#include "basic.h"
-#include "ex.h"
+#include <string>
+#include <ginac/basic.h>
+#include <ginac/ex.h>
/** Basic CAS symbol. It has a name because it must know how to output itself.
* It may be assigned an expression, but this feature is only intended for
inline int ldegree(symbol const & a, symbol const & s)
{ return a.ldegree(s); }
-#endif // ndef _SYMBOL_H_
+#endif // ndef __GINAC_SYMBOL_H__