Function select_mask

src/shape_transform_descriptor.cpp:2094–2108

template <class Range>
static std::vector<std::size_t> select_mask(const std::vector<std::size_t>& slice_mask,
                                            const Range& r)
{
    std::vector<std::size_t> result;
    std::transform(slice_mask.begin(),
                   slice_mask.end(),
                   r.begin(),
                   join_back_inserter(result),
                   [](std::size_t mask, std::size_t n) -> std::vector<std::size_t> {
                       if(mask == 0)
                           return {};
                       return {n};
                   });
    return result;
}

// Generate the shape transforms for strided view
optional<std::vector<operation>>