X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Fconstant.h;h=5ba32987d8ba38397292a139b3341fe605f50bd9;hb=bc80f7d97d0dc2c74606b8c2e64e50530a685ba0;hp=cff0e42f028d069d0df886660fe4613ce1bbef02;hpb=6d225ee55693c0617d254e6fa283c00c71bd2919;p=ginac.git

diff --git a/ginac/constant.h b/ginac/constant.h
index cff0e42f..5ba32987 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) 1999-2004 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2006 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
@@ -17,7 +17,7 @@
  *
  *  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
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #ifndef __GINAC_CONSTANT_H__
@@ -43,12 +43,17 @@ class constant : public basic
 	
 	// 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;
 protected:
 	ex derivative(const symbol & s) const;
 	bool is_equal_same_type(const basic & other) const;
@@ -69,20 +74,13 @@ 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
 };
 
 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__