uselessCallsSwap ftp://ftp.de.debian.org/debian/pool/main/c/cgal/cgal_5.4.1.orig.tar.xz CGAL-5.4.1/demo/Polyhedron/Scene_spheres_item.cpp:163:3: performance: It is inefficient to swap a object with itself by calling 'centers.swap(centers)' [uselessCallsSwap] CGAL-5.4.1/demo/Polyhedron/Scene_spheres_item.cpp:165:3: performance: It is inefficient to swap a object with itself by calling 'colors.swap(colors)' [uselessCallsSwap] CGAL-5.4.1/demo/Polyhedron/Scene_spheres_item.cpp:169:3: performance: It is inefficient to swap a object with itself by calling 'radius.swap(radius)' [uselessCallsSwap] CGAL-5.4.1/demo/Polyhedron/Scene_spheres_item.cpp:171:3: performance: It is inefficient to swap a object with itself by calling 'edges_colors.swap(edges_colors)' [uselessCallsSwap]