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

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Thorsten Behrens
2006-05-11 10:18:21 +00:00
parent c2a3bf6701
commit 33d315c624
1 changed files with 8 additions and 8 deletions
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16
o3tl/inc/o3tl/cow_wrapper.hxx
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@@ -4,9 +4,9 @@
* *
* $RCSfile: cow_wrapper.hxx,v $ * $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 Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1. * 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, template<class T, class P> inline bool operator==( const cow_wrapper<T,P>& a,
const cow_wrapper<B,P>& b ) 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, template<class T, class P> inline bool operator!=( const cow_wrapper<T,P>& a,
const cow_wrapper<B,P>& b ) 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, template<class A, class B, class P> inline bool operator<( const cow_wrapper<A,P>& a,