OneDArrayToPython< T > Struct Template Reference

Static Public Member Functions
static PyObject *	convert (Array< OneD, T > const &arr)

Detailed Description

template<typename T>
struct OneDArrayToPython< T >

Definition at line 57 of file SharedArray.cpp.

Member Function Documentation

convert()

template<typename T >

static PyObject* OneDArrayToPython< T >::convert ( Array< OneD, T > const &  arr )

inlinestatic

Definition at line 59 of file SharedArray.cpp.

    {
        // Create a Python capsule to hold a pointer that contains a lightweight
        // copy of arr. That way we guarantee Python will still have access to
        // the memory allocated inside arr even if arr is deallocated in C++.
#if PY_MAJOR_VERSION == 2
        py::object capsule(py::handle<>(PyCObject_FromVoidPtr(
            new Array<OneD, T>(arr), CapsuleDestructor<T>)));
#else
        py::object capsule(py::handle<>(
            PyCapsule_New(new Array<OneD, T>(arr), 0,
                          (PyCapsule_Destructor)&CapsuleDestructor<T>)));
#endif
        PyObject *tmp =
            py::incref(np::from_data(arr.data(), np::dtype::get_builtin<T>(),
                                     py::make_tuple(arr.size()),
                                     py::make_tuple(sizeof(T)), capsule)
                           .ptr());
 
        return tmp;
    }