59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
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// Copyright Jim Bosch 2010-2012.
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// Copyright Stefan Seefeld 2016.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef boost_python_numpy_scalars_hpp_
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#define boost_python_numpy_scalars_hpp_
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/**
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* @brief Object managers for array scalars (currently only numpy.void is implemented).
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*/
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#include <boost/python.hpp>
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#include <boost/python/numpy/numpy_object_mgr_traits.hpp>
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#include <boost/python/numpy/dtype.hpp>
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namespace boost { namespace python { namespace numpy {
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/**
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* @brief A boost.python "object manager" (subclass of object) for numpy.void.
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*
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* @todo This could have a lot more functionality.
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*/
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class void_ : public object
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{
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static python::detail::new_reference convert(object_cref arg, bool align);
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public:
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/**
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* @brief Construct a new array scalar with the given size and void dtype.
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*
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* Data is initialized to zero. One can create a standalone scalar object
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* with a certain dtype "dt" with:
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* @code
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* void_ scalar = void_(dt.get_itemsize()).view(dt);
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* @endcode
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*/
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explicit void_(Py_ssize_t size);
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BOOST_PYTHON_FORWARD_OBJECT_CONSTRUCTORS(void_, object);
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/// @brief Return a view of the scalar with the given dtype.
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void_ view(dtype const & dt) const;
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/// @brief Copy the scalar (deep for all non-object fields).
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void_ copy() const;
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};
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} // namespace boost::python::numpy
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namespace converter
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{
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NUMPY_OBJECT_MANAGER_TRAITS(numpy::void_);
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}}} // namespace boost::python::converter
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#endif
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