/** @file constant.h
*
- * Interface to GiNaC's constant types and some special constants. */
+ * Interface to GiNaC's constant types and some special constants.
+ *
+ * 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
+ */
-#ifndef _CONSTANT_H_
-#define _CONSTANT_H_
+#ifndef __GINAC_CONSTANT_H__
+#define __GINAC_CONSTANT_H__
#include <string>
-class constant;
-
-#include "ex.h"
-#include "numeric.h"
-
/** This class holds constants, symbols with specific numerical value. Each
* object of this class must either provide their own function to evaluate it
* to class numeric or provide the constant as a numeric (if it's an exact
extern const constant Catalan;
extern const constant EulerGamma;
-#endif // ndef _CONSTANT_H_
+#endif // ndef __GINAC_CONSTANT_H__