SceneJS_math_divScalarVec4 = function(s, v, dest) {
    if (!dest) {
        dest = v;
    }

    dest[0] = s / v[0];
    dest[1] = s / v[1];
    dest[2] = s / v[2];
    dest[3] = s / v[3];

    return dest;
}
@param s scalar
@param v vec4
@param dest vec4 - optional destination
@return {vec4} dest if specified, v otherwise
@private