GINAC_DECLARE_REGISTERED_CLASS declares duplicate() and compare_same_type(),

[ginac.git] / ginac / idx.cpp

diff --git a/ginac/idx.cpp b/ginac/idx.cpp
index af463a80f4a71cfe9c3ebf33ec486f1fed16c1e3..480da0f24cde7b5c3e0d17892aa8d5c70727ed09 100644 (file)
--- a/ginac/idx.cpp
+++ b/ginac/idx.cpp
@@ -170,12 +170,6 @@ void idx::archive(archive_node &n) const
 
 // public
 
-basic * idx::duplicate() const
-{
-       debugmsg("idx duplicate",LOGLEVEL_DUPLICATE);
-       return new idx(*this);
-}
-
 void idx::printraw(std::ostream & os) const
 {
        debugmsg("idx printraw",LOGLEVEL_PRINT);
@@ -268,7 +262,7 @@ ex idx::subs(const lst & ls, const lst & lr) const
 int idx::compare_same_type(const basic & other) const
 {
        GINAC_ASSERT(is_of_type(other,idx));
-       const idx &o = static_cast<const idx &>(&other);
+       const idx &o = static_cast<const idx &>(other);
 
        if (covariant!=o.covariant) {
                // different co/contravariant