Added complex conjugation methods and GiNaC function "conjugate".

[ginac.git] / ginac / container.h

diff --git a/ginac/container.h b/ginac/container.h
index 2459b364ffb0d36c70004f530cdc1cd147dd1751..5d6fe3ac5ebb3e9a79b4728ba75345e5005d7eb2 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) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 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
@@ -124,7 +124,6 @@ private:
        STLT & stlt;
 };
 
-
 /** Wrapper template for making GiNaC classes out of STL containers. */
 template <template <class> class C>
 class container : public basic, public container_storage<C> {
@@ -368,6 +367,32 @@ public:
        ex subs(const exmap & m, unsigned options = 0) const;
 
 protected:
+       ex conjugate() const
+       {
+               STLT* newcont = 0;
+               for (const_iterator i=seq.begin(); i!=seq.end(); ++i) {
+                       if (newcont) {
+                               newcont->push_back(i->conjugate());
+                               continue;
+                       }
+                       ex x = i->conjugate();
+                       if (are_ex_trivially_equal(x, *i)) {
+                               continue;
+                       }
+                       newcont = new STLT;
+                       reserve (*newcont, seq.size());
+                       for (const_iterator j=seq.begin(); j!=i; ++j) {
+                               newcont->push_back(*j);
+                       }
+                       newcont->push_back(x);
+               }
+               if (newcont) {
+                       ex result = thiscontainer(*newcont);
+                       delete newcont;
+                       return result;
+               }
+               return *this;
+       }
        bool is_equal_same_type(const basic & other) const;
 
        // new virtual functions which can be overridden by derived classes