X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fconstant.h;h=efbe39e9d9beef52c4d7814b0f736c48206eb357;hp=9cf9d74d41dcf2013d24b6343392b745c8b064f8;hb=b9dc3d71083fe1a2f90a34db24b57b06ad51ebde;hpb=da64e515abf7243bc4c84ca3631470931c4e6691

diff --git a/ginac/constant.h b/ginac/constant.h
index 9cf9d74d..efbe39e9 100644
--- 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) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -26,6 +26,7 @@
 #include <string>
 #include "basic.h"
 #include "ex.h"
+#include "archive.h"
 
 namespace GiNaC {
 
@@ -38,17 +39,21 @@ 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());
-	constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string());
+	constant(const std::string & initname, evalffunctype efun = 0, const std::string & texname = std::string(), unsigned domain = domain::complex);
+	constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string(), unsigned domain = domain::complex);
 	
 	// functions overriding virtual functions from base classes
 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;
@@ -69,20 +74,14 @@ private:
 	ex number;            ///< numerical value this constant evalf()s to
 	unsigned serial;      ///< unique serial number for comparison
 	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;
 extern const constant Euler;
 
-// utility functions
-
-/** Specialization of is_exactly_a<constant>(obj) for constant objects. */
-template<> inline bool is_exactly_a<constant>(const basic & obj)
-{
-	return obj.tinfo()==TINFO_constant;
-}
-
 } // namespace GiNaC
 
 #endif // ndef __GINAC_CONSTANT_H__