Update copyright statements.

[ginac.git] / ginac / constant.h

diff --git a/ginac/constant.h b/ginac/constant.h
index 4b4a5e4596d848dc64d38010d18d16b864b1ea18..f53fa7ca372210cd17b053ce829d5449d1012f74 100644 (file)
--- a/ginac/constant.h
+++ b/ginac/constant.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's constant types and some special constants. */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2014 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
@@ -20,12 +20,14 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_CONSTANT_H__
-#define __GINAC_CONSTANT_H__
+#ifndef GINAC_CONSTANT_H
+#define GINAC_CONSTANT_H
 
-#include <string>
 #include "basic.h"
 #include "ex.h"
+#include "archive.h"
+
+#include <string>
 
 namespace GiNaC {
 
@@ -38,9 +40,6 @@ typedef ex (*evalffunctype)();
 class constant : public basic
 {
        GINAC_DECLARE_REGISTERED_CLASS(constant, basic)
-       
-// member functions
-       
        // other constructors
 public:
        constant(const std::string & initname, evalffunctype efun = 0, const std::string & texname = std::string(), unsigned domain = domain::complex);
@@ -51,6 +50,11 @@ public:
        bool info(unsigned inf) const;
        ex evalf(int level = 0) const;
        bool is_polynomial(const ex & var) const;
+       ex conjugate() const;
+       ex real_part() const;
+       ex imag_part() const;
+       void archive(archive_node& n) const;
+       void read_archive(const archive_node& n, lst& syms);
 protected:
        ex derivative(const symbol & s) const;
        bool is_equal_same_type(const basic & other) const;
@@ -73,6 +77,7 @@ private:
        static unsigned next_serial;
        unsigned domain;      ///< numerical value this constant evalf()s to
 };
+GINAC_DECLARE_UNARCHIVER(constant); 
 
 extern const constant Pi;
 extern const constant Catalan;
@@ -80,4 +85,4 @@ extern const constant Euler;
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_CONSTANT_H__
+#endif // ndef GINAC_CONSTANT_H