root/python_bindings/numpy/numpy_object_mgr_traits.hpp

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INCLUDED FROM

// Copyright Jim Bosch 2010-2012.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
#ifndef HALIDE_NUMPY_NUMPY_OBJECT_MGR_TRAITS_HPP_INCLUDED
#define HALIDE_NUMPY_NUMPY_OBJECT_MGR_TRAITS_HPP_INCLUDED

/**
 *  @file numpy/numpy_object_mgr_traits.hpp
 *  @brief Macro that specializes object_manager_traits by requiring a 
 *         source-file implementation of get_pytype().
 */

#define NUMPY_OBJECT_MANAGER_TRAITS(manager)                                                             \
    template <>                                                                                          \
    struct object_manager_traits<manager> {                                                              \
        BOOST_STATIC_CONSTANT(bool, is_specialized = true);                                              \
        static inline python::detail::new_reference adopt(PyObject *x) {                                 \
            return python::detail::new_reference(python::pytype_check((PyTypeObject *)get_pytype(), x)); \
        }                                                                                                \
        static bool check(PyObject *x) {                                                                 \
            return ::PyObject_IsInstance(x, (PyObject *)get_pytype());                                   \
        }                                                                                                \
        static manager *checked_downcast(PyObject *x) {                                                  \
            return python::downcast<manager>((checked_downcast_impl)(x, (PyTypeObject *)get_pytype()));  \
        }                                                                                                \
        static PyTypeObject const *get_pytype();                                                         \
    }

#endif  // !HALIDE_NUMPY_NUMPY_OBJECT_MGR_TRAITS_HPP_INCLUDED
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