Function PyArray_DiscardWritebackIfCopy

numpy/core/include/numpy/ndarrayobject.h:155–167

                                            (l)*PyArray_STRIDES(obj)[3]))

static inline void
PyArray_DiscardWritebackIfCopy(PyArrayObject *arr)
{
    PyArrayObject_fields *fa = (PyArrayObject_fields *)arr;
    if (fa && fa->base) {
        if (fa->flags & NPY_ARRAY_WRITEBACKIFCOPY) {
            PyArray_ENABLEFLAGS((PyArrayObject*)fa->base, NPY_ARRAY_WRITEABLE);
            Py_DECREF(fa->base);
            fa->base = NULL;
            PyArray_CLEARFLAGS(arr, NPY_ARRAY_WRITEBACKIFCOPY);
        }
    }
}

#define PyArray_DESCR_REPLACE(descr) do { \
                PyArray_Descr *_new_; \