Function array_copyto

numpy/core/src/multiarray/multiarraymodule.c:2011–2053

static PyObject *
array_copyto(PyObject *NPY_UNUSED(ignored), PyObject *args, PyObject *kwds)
{
    static char *kwlist[] = {"dst", "src", "casting", "where", NULL};
    PyObject *wheremask_in = NULL;
    PyArrayObject *dst = NULL, *src = NULL, *wheremask = NULL;
    NPY_CASTING casting = NPY_SAME_KIND_CASTING;

    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!O&|O&O:copyto", kwlist,
                &PyArray_Type, &dst,
                &PyArray_Converter, &src,
                &PyArray_CastingConverter, &casting,
                &wheremask_in)) {
        goto fail;
    }

    if (wheremask_in != NULL) {
        /* Get the boolean where mask */
        PyArray_Descr *dtype = PyArray_DescrFromType(NPY_BOOL);
        if (dtype == NULL) {
            goto fail;
        }
        wheremask = (PyArrayObject *)PyArray_FromAny(wheremask_in,
                                        dtype, 0, 0, 0, NULL);
        if (wheremask == NULL) {
            goto fail;
        }
    }

    if (PyArray_AssignArray(dst, src, wheremask, casting) < 0) {
        goto fail;
    }

    Py_XDECREF(src);
    Py_XDECREF(wheremask);

    Py_RETURN_NONE;

fail:
    Py_XDECREF(src);
    Py_XDECREF(wheremask);
    return NULL;
}

static PyObject *
array_empty(PyObject *NPY_UNUSED(ignored),