0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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// Copyright Jim Bosch 2010-2012.
// Copyright Stefan Seefeld 2016.
// 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 boost_python_numpy_scalars_hpp_
#define boost_python_numpy_scalars_hpp_
/**
* @brief Object managers for array scalars (currently only numpy.void is implemented).
*/
#include <boost/python.hpp>
#include <boost/python/numpy/numpy_object_mgr_traits.hpp>
#include <boost/python/numpy/dtype.hpp>
namespace boost { namespace python { namespace numpy {
/**
* @brief A boost.python "object manager" (subclass of object) for numpy.void.
*
* @todo This could have a lot more functionality.
*/
class BOOST_NUMPY_DECL void_ : public object
{
static python::detail::new_reference convert(object_cref arg, bool align);
public:
/**
* @brief Construct a new array scalar with the given size and void dtype.
*
* Data is initialized to zero. One can create a standalone scalar object
* with a certain dtype "dt" with:
* @code
* void_ scalar = void_(dt.get_itemsize()).view(dt);
* @endcode
*/
explicit void_(Py_ssize_t size);
BOOST_PYTHON_FORWARD_OBJECT_CONSTRUCTORS(void_, object);
/// @brief Return a view of the scalar with the given dtype.
void_ view(dtype const & dt) const;
/// @brief Copy the scalar (deep for all non-object fields).
void_ copy() const;
};
} // namespace boost::python::numpy
namespace converter
{
NUMPY_OBJECT_MANAGER_TRAITS(numpy::void_);
}}} // namespace boost::python::converter
#endif
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