Re: [Swig-user] Problem specifying %ignore for overloaded operator

[William S F. <ws...@fu...>]

Snowdrop Short wrote:
> Hi
> 
> I'm having problems with writing an ignore which will prevent this
> warning:
> 
> this is what the code looks like:
> 
> namespace osg {
> 	class Vec3f
> 	{
> 	    public:
> 	        typedef float value_type;
> 	        /** Dot product. */
> 	        value_type operator * (const Vec3f& rhs) const;
> 	};
> 
> 	class Vec4d
> 	{
> 	    public:
> 		typedef double value_type;
> 	        /** Dot product. */
> 	        value_type operator * (const Vec4d& rhs) const;
> 	};
> 
> 	/** Compute the dot product of a Vec4d and a (Vec3,1.0). */
> 	inline Vec4d::value_type operator * (const Vec4d& lhs,const Vec3f& rhs)
> 	{
> 	    return lhs[0]*rhs[0]+lhs[1]*rhs[1]+lhs[2]*rhs[2]+lhs[3];
> 	}
> }
> 
> note, I've removed a lot of other stuff, which isn't important for my
> problem.
> 
> the problems arises when trying to ignore:
> Vec4d::value_type operator * (const Vec4d& lhs,const Vec3f& rhs)
> 
> I have tried:
> %ignore osg::Vec4d::operator*(const osg::Vec4d& lhs,const osg::Vec3f&
> rhs);
> %ignore osg::Vec4d::operator*(const Vec4d& lhs,const Vec3f& rhs);
> %ignore osg::Vec4d::operator*(const osg::Vec4d&,const osg::Vec3f&);
> %ignore osg::Vec4d::operator*(const Vec4d&,const Vec3f&);
> %ignore osg::Vec4d::operator*(Vec4d&,Vec3f&);
> %ignore osg::Vec4d::operator*(Vec4d,Vec3f);
> 
> without any success, can somebody help me with the correct syntax?
> 
You've got an error in your scoping of operator *. So use:

%ignore osg::operator *;

or if you want the parameters specified too, they must match exactly 
(extra scoping isn't recognised), so use:

%ignore osg::operator * (const Vec4d& lhs,const Vec3f& rhs);

William