#i63310# Optimization: for operator==/!=, first checking for same object (via cheap pointer comparison)

This commit is contained in:
Thorsten Behrens
2006-05-11 10:18:21 +00:00
parent c2a3bf6701
commit 33d315c624

View File

@@ -4,9 +4,9 @@
*
* $RCSfile: cow_wrapper.hxx,v $
*
* $Revision: 1.4 $
* $Revision: 1.5 $
*
* last change: $Author: thb $ $Date: 2006-03-28 23:22:28 $
* last change: $Author: thb $ $Date: 2006-05-11 11:18:21 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
@@ -300,16 +300,16 @@ void cow_wrapper_client::queryUnmodified() const
};
template<class A, class B, class P> inline bool operator==( const cow_wrapper<A,P>& a,
const cow_wrapper<B,P>& b )
template<class T, class P> inline bool operator==( const cow_wrapper<T,P>& a,
const cow_wrapper<T,P>& b )
{
return *a == *b;
return a.same_object(b) ? true : *a == *b;
}
template<class A, class B, class P> inline bool operator!=( const cow_wrapper<A,P>& a,
const cow_wrapper<B,P>& b )
template<class T, class P> inline bool operator!=( const cow_wrapper<T,P>& a,
const cow_wrapper<T,P>& b )
{
return *a != *b;
return a.same_object(b) ? false : *a != *b;
}
template<class A, class B, class P> inline bool operator<( const cow_wrapper<A,P>& a,