587 		genType const & edge0,  argument
596 		genType tmp = clamp((x - edge0) / (edge1 - edge0), genType(0), genType(1));
603 		T const & edge0,  argument
613 			smoothstep(edge0, edge1, x.x),
614 			smoothstep(edge0, edge1, x.y));
620 		T const & edge0,  argument
630 			smoothstep(edge0, edge1, x.x),
631 			smoothstep(edge0, edge1, x.y),
632 			smoothstep(edge0, edge1, x.z));
638 		T const & edge0,  argument
648 			smoothstep(edge0, edge1, x.x),
649 			smoothstep(edge0, edge1, x.y),
650 			smoothstep(edge0, edge1, x.z),
651 			smoothstep(edge0, edge1, x.w));
657 		detail::tvec2<T, P> const & edge0,  argument
667 			smoothstep(edge0.x, edge1.x, x.x),
668 			smoothstep(edge0.y, edge1.y, x.y));
674 		detail::tvec3<T, P> const & edge0,  argument
684 			smoothstep(edge0.x, edge1.x, x.x),
685 			smoothstep(edge0.y, edge1.y, x.y),
686 			smoothstep(edge0.z, edge1.z, x.z));
692 		detail::tvec4<T, P> const & edge0,  argument
702 			smoothstep(edge0.x, edge1.x, x.x),
703 			smoothstep(edge0.y, edge1.y, x.y),
704 			smoothstep(edge0.z, edge1.z, x.z),
705 			smoothstep(edge0.w, edge1.w, x.w));