More evaluation rules: abs(x^n) => abs(x)^n (x > 0, n is real).

[ginac.git] / ginac / fderivative.h

diff --git a/ginac/fderivative.h b/ginac/fderivative.h
index ee3405db0cea5282f801340d1dac0b35cc5055cc..d7a70c258c1e76d1ac63eb151b81f1282a004674 100644 (file)
--- a/ginac/fderivative.h
+++ b/ginac/fderivative.h
@@ -3,7 +3,7 @@
  *  Interface to abstract derivatives of functions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2011 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
@@ -17,18 +17,17 @@
  *
  *  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_FDERIVATIVE_H__
-#define __GINAC_FDERIVATIVE_H__
-
-#include <set>
+#ifndef GINAC_FDERIVATIVE_H
+#define GINAC_FDERIVATIVE_H
 
 #include "function.h"
 
-namespace GiNaC {
+#include <set>
 
+namespace GiNaC {
 
 typedef std::multiset<unsigned> paramset;
 
@@ -60,11 +59,14 @@ public:
 
        // functions overriding virtual functions from base classes
 public:
+       void print(const print_context & c, unsigned level = 0) const;
        ex eval(int level = 0) const;
        ex evalf(int level = 0) const;
        ex series(const relational & r, int order, unsigned options = 0) const;
        ex thiscontainer(const exvector & v) const;
        ex thiscontainer(std::auto_ptr<exvector> vp) 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;
@@ -73,21 +75,15 @@ protected:
        // non-virtual functions in this class
 protected:
        void do_print(const print_context & c, unsigned level) const;
+       void do_print_csrc(const print_csrc & c, unsigned level) const;
        void do_print_tree(const print_tree & c, unsigned level) const;
 
        // member variables
 protected:
        paramset parameter_set; /**< Set of parameter numbers with respect to which to take the derivative */
 };
-
-// utility functions
-
-/** Specialization of is_exactly_a<T>(obj) for derivatives. */
-template<> inline bool is_exactly_a<fderivative>(const basic & obj)
-{
-       return obj.tinfo()==TINFO_fderivative;
-}
+GINAC_DECLARE_UNARCHIVER(fderivative); 
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_DERIVATIVE_H__
+#endif // ndef GINAC_DERIVATIVE_H