yNegative          35 Magick++/lib/Geometry.cpp 	  ( left_.yNegative() == right_.yNegative() ) &&
yNegative        1755 Magick++/lib/Image.cpp   if ( roll_.yNegative() )
yNegative          66 Magick++/lib/Magick++/Geometry.h     void          yNegative ( bool yNegative_ );
yNegative          67 Magick++/lib/Magick++/Geometry.h     bool          yNegative ( void ) const;