Bug in expand_dummy_sum is fixed.

[ginac.git] / ginac / container.h

diff --git a/ginac/container.h b/ginac/container.h
index c5dd6253359013d27c82de19acd459ea00b4330e..7f9210027d9779c2974d794e9b0c6ee5c2779310 100644 (file)
--- a/ginac/container.h
+++ b/ginac/container.h
@@ -3,7 +3,7 @@
  *  Wrapper template for making GiNaC classes out of STL containers. */
 
 /*
- *  GiNaC Copyright (C) 1999-2005 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_CONTAINER_H__
@@ -129,6 +129,7 @@ template <template <class> class C>
 class container : public basic, public container_storage<C> {
        GINAC_DECLARE_REGISTERED_CLASS(container, basic)
 
+protected:
        typedef typename container_storage<C>::STLT STLT;
 
 public:
@@ -137,7 +138,7 @@ public:
 
 protected:
        // helpers
-       static unsigned get_tinfo() { return TINFO_fail; }
+       static tinfo_t get_tinfo() { return NULL; }
        static unsigned get_default_flags() { return 0; }
        static char get_open_delim() { return '('; }
        static char get_close_delim() { return ')'; }
@@ -394,6 +395,28 @@ protected:
                return *this;
        }
 
+       ex real_part() const
+       {
+               STLT cont;
+               reserve(cont, nops());
+               const_iterator b = begin();
+               const_iterator e = end();
+               for(const_iterator i=b; i!=e; ++i)
+                       cont.push_back(i->real_part());
+               return thiscontainer(cont);
+       }
+
+       ex imag_part() const
+       {
+               STLT cont;
+               reserve(cont, nops());
+               const_iterator b = begin();
+               const_iterator e = end();
+               for(const_iterator i=b; i!=e; ++i)
+                       cont.push_back(i->imag_part());
+               return thiscontainer(cont);
+       }
+
        bool is_equal_same_type(const basic & other) const;
 
        // new virtual functions which can be overridden by derived classes