Function renumber_axes

src/shape_transform_descriptor.cpp:164–183

Renumber all axes while preserving the order of the axes

// Renumber all axes while preserving the order of the axes
static void renumber_axes(std::map<std::size_t, std::vector<dimension::sub*>>& axes_map)
{
    for(auto&& p : axes_map)
    {
        const auto& axis = p.first;
        auto& subs       = p.second;
        if(subs.size() == 1)
        {
            set_origin_axis(*subs[0], {axis});
        }
        else
        {
            std::sort(subs.begin(), subs.end(), by(std::less<>{}, [](const dimension::sub* s) {
                          return s->origin_axis();
                      }));
            for(std::size_t i : range(subs.size()))
                set_origin_axis(*subs[i], {axis, i});
        }
    }
}
static void renumber_axes(std::vector<dimension>& dimensions)
{
    auto axes_map = group_axes(dimensions);