Function _set_constant

numpy/core/src/multiarray/iterators.c:1551–1582

static void neighiter_dealloc(PyArrayNeighborhoodIterObject* iter);

static char* _set_constant(PyArrayNeighborhoodIterObject* iter,
        PyArrayObject *fill)
{
    char *ret;
    PyArrayIterObject *ar = iter->_internal_iter;
    int storeflags, st;

    ret = PyDataMem_NEW(PyArray_DESCR(ar->ao)->elsize);
    if (ret == NULL) {
        PyErr_SetNone(PyExc_MemoryError);
        return NULL;
    }

    if (PyArray_ISOBJECT(ar->ao)) {
        memcpy(ret, PyArray_DATA(fill), sizeof(PyObject*));
        Py_INCREF(*(PyObject**)ret);
    } else {
        /* Non-object types */

        storeflags = PyArray_FLAGS(ar->ao);
        PyArray_ENABLEFLAGS(ar->ao, NPY_ARRAY_BEHAVED);
        st = PyArray_SETITEM(ar->ao, ret, (PyObject*)fill);
        ((PyArrayObject_fields *)ar->ao)->flags = storeflags;

        if (st < 0) {
            PyDataMem_FREE(ret);
            return NULL;
        }
    }

    return ret;
}

#define _INF_SET_PTR(c) \
    bd = coordinates[c] + p->coordinates[c]; \