.. _program_listing_file__tmp_ws_src_eigenpy_include_eigenpy_registration.hpp:

Program Listing for File registration.hpp
=========================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_eigenpy_include_eigenpy_registration.hpp>` (``/tmp/ws/src/eigenpy/include/eigenpy/registration.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*
    * Copyright 2014-2019, CNRS
    * Copyright 2018-2019, INRIA
    */
   
   #ifndef __eigenpy_registration_hpp__
   #define __eigenpy_registration_hpp__
   
   #include "eigenpy/fwd.hpp"
   #include "eigenpy/registration_class.hpp"
   
   namespace eigenpy {
   
   template <typename T>
   inline bool check_registration() {
     const bp::type_info info = bp::type_id<T>();
     const bp::converter::registration* reg = bp::converter::registry::query(info);
     if (reg == NULL)
       return false;
     else if ((*reg).m_to_python == NULL)
       return false;
   
     return true;
   }
   
   template <typename T>
   inline bool register_symbolic_link_to_registered_type() {
     if (eigenpy::check_registration<T>()) {
       const bp::type_info info = bp::type_id<T>();
       const bp::converter::registration* reg =
           bp::converter::registry::query(info);
       bp::handle<> class_obj(reg->get_class_object());
       bp::scope().attr(reg->get_class_object()->tp_name) = bp::object(class_obj);
       return true;
     }
   
     return false;
   }
   
   template <typename T, typename Visitor>
   inline bool register_symbolic_link_to_registered_type(const Visitor& visitor) {
     if (eigenpy::check_registration<T>()) {
       const bp::type_info info = bp::type_id<T>();
       const bp::converter::registration* reg =
           bp::converter::registry::query(info);
       bp::handle<> class_obj(reg->get_class_object());
       bp::object object(class_obj);
       bp::scope().attr(reg->get_class_object()->tp_name) = object;
       registration_class<T> cl(object);
       cl.def(visitor);
       return true;
     }
   
     return false;
   }
   }  // namespace eigenpy
   
   #endif  // ifndef __eigenpy_registration_hpp__