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

[ginac.git] / ginac / wildcard.h

diff --git a/ginac/wildcard.h b/ginac/wildcard.h
index 78c541b572f5b64a66763166f8f2f04d3e2e451c..678afb810a0997e458a6eccad5dba05ea1e9571d 100644 (file)
--- a/ginac/wildcard.h
+++ b/ginac/wildcard.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's wildcard objects. */
 
 /*
- *  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
@@ -17,17 +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_WILDCARD_H__
-#define __GINAC_WILDCARD_H__
+#ifndef GINAC_WILDCARD_H
+#define GINAC_WILDCARD_H
 
 #include "ex.h"
+#include "archive.h"
 
 namespace GiNaC {
 
-
 /** This class acts as a wildcard for subs(), match(), has() and find(). An
  *  integer label is used to identify different wildcards. */
 class wildcard : public basic
@@ -41,36 +41,42 @@ public:
 
        // functions overriding virtual functions from base classes
 public:
-       void print(const print_context & c, unsigned level = 0) const;
-       bool match(const ex & pattern, lst & repl_lst) const;
+       bool match(const ex & pattern, exmap& repl_lst) const;
 
+       /** Save (a.k.a. serialize) object into archive. */
+       void archive(archive_node& n) const;
+       /** Read (a.k.a. deserialize) object from archive. */
+       void read_archive(const archive_node& n, lst& syms);
 protected:
-       unsigned calchash(void) const;
+       unsigned calchash() const;
 
        // non-virtual functions in this class
 public:
-       unsigned get_label(void) const {return label;}
+       unsigned get_label() const {return label;}
+
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_tree(const print_tree & c, unsigned level) const;
+       void do_print_python_repr(const print_python_repr & c, unsigned level) const;
 
        // member variables
 private:
        unsigned label; /**< Label used to distinguish different wildcards */
 };
+GINAC_DECLARE_UNARCHIVER(wildcard);
 
 
 // utility functions
 
-/** Specialization of is_exactly_a<wildcard>(obj) for wildcard objects. */
-template<> inline bool is_exactly_a<wildcard>(const basic & obj)
-{
-        return obj.tinfo()==TINFO_wildcard;
-}
-
 /** Create a wildcard object with the specified label. */
 inline ex wild(unsigned label = 0)
 {
        return wildcard(label);
 }
 
+/** Check whether x has a wildcard anywhere as a subexpression. */
+bool haswild(const ex & x);
+
 } // namespace GiNaC
 
-#endif // ndef __GINAC_WILDCARD_H__
+#endif // ndef GINAC_WILDCARD_H