Improve method of setting status_flags::dynallocated.

[ginac.git] / ginac / registrar.h

diff --git a/ginac/registrar.h b/ginac/registrar.h
index 27bfc7ab3a083c31033757e886921aa60bf68436..f2f7e616ab772247934403a9e2e0ba9effaee657 100644 (file)
--- a/ginac/registrar.h
+++ b/ginac/registrar.h
@@ -36,7 +36,7 @@ namespace GiNaC {
 class ex;
 class archive_node;
 
-template <template <class T, class = std::allocator<T> > class> class container;
+template <template <class T, class = std::allocator<T>> class> class container;
 typedef container<std::list> lst;
 
 /** To distinguish between different kinds of non-commutative objects */
@@ -45,7 +45,7 @@ struct return_type_t
        /// to distinguish between non-commutative objects of different type.
        std::type_info const* tinfo; 
        /// to distinguish between non-commutative objects of the same type.
-       /// Think of gamma matrices with different represenation labels.
+       /// Think of gamma matrices with different representation labels.
        unsigned rl;
 
        /// Strict weak ordering (so one can put return_type_t's into
@@ -149,11 +149,16 @@ public: \
  *  registry (mainly needed for archiving). */
 #define GINAC_DECLARE_REGISTERED_CLASS(classname, supername) \
        GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(classname, supername) \
+       template<class B, typename... Args> friend B & dynallocate(Args &&... args); \
 public: \
        classname(); \
-       virtual classname * duplicate() const { return new classname(*this); } \
+       classname * duplicate() const override { \
+               classname * bp = new classname(*this); \
+               bp->setflag(status_flags::dynallocated); \
+               return bp; \
+       } \
        \
-       virtual void accept(GiNaC::visitor & v) const \
+       void accept(GiNaC::visitor & v) const override \
        { \
                if (visitor *p = dynamic_cast<visitor *>(&v)) \
                        p->visit(*this); \
@@ -161,7 +166,7 @@ public: \
                        inherited::accept(v); \
        } \
 protected: \
-       virtual int compare_same_type(const GiNaC::basic & other) const; \
+       int compare_same_type(const GiNaC::basic & other) const override; \
 private: