Method normalized_num

include/pybind11/numpy.h:940–946

Type number of dtype, normalized to match the return value of `num_of` for equivalent types. This function can be used to write switch statements that correctly handle equivalent types with different type numbers.

    /// types. This function can be used to write switch statements that correctly handle
    /// equivalent types with different type numbers.
    int normalized_num() const {
        int value = num();
        if (value >= 0 && value <= detail::npy_api::NPY_VOID_) {
            return detail::normalized_dtype_num[value];
        }
        return value;
    }

    /// Single character for byteorder
    char byteorder() const { return detail::array_descriptor_proxy(m_ptr)->byteorder; }