.. _program_listing_file__tmp_ws_src_eigenpy_include_eigenpy_utils_traits.hpp:

Program Listing for File traits.hpp
===================================

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

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

.. code-block:: cpp

   //
   // Copyright (c) 2024 INRIA
   //
   //
   
   #ifndef __eigenpy_utils_traits_hpp__
   #define __eigenpy_utils_traits_hpp__
   
   #include <type_traits>
   #include <string>
   #include <complex>
   
   namespace eigenpy {
   
   namespace details {
   
   template <typename T>
   struct remove_cvref : std::remove_cv<typename std::remove_reference<T>::type> {
   };
   
   template <typename T>
   struct is_class_or_union
       : std::integral_constant<bool, std::is_class<T>::value ||
                                          std::is_union<T>::value> {};
   
   template <typename T>
   struct is_python_complex : std::false_type {};
   
   template <>
   struct is_python_complex<std::complex<float> > : std::true_type {};
   template <>
   struct is_python_complex<std::complex<double> > : std::true_type {};
   template <>
   struct is_python_complex<std::complex<long double> > : std::true_type {};
   
   template <typename T>
   struct is_python_primitive_type_helper
       : std::integral_constant<bool, !is_class_or_union<T>::value ||
                                          std::is_same<T, std::string>::value ||
                                          std::is_same<T, std::wstring>::value ||
                                          is_python_complex<T>::value> {};
   
   template <typename T>
   struct is_python_primitive_type
       : is_python_primitive_type_helper<typename remove_cvref<T>::type> {};
   
   }  // namespace details
   
   }  // namespace eigenpy
   
   #endif  // ifndef __eigenpy_utils_traits_hpp__