Function array_dot

numpy/core/src/multiarray/methods.c:2472–2499

static PyObject *
array_dot(PyArrayObject *self,
        PyObject *const *args, Py_ssize_t len_args, PyObject *kwnames)
{
    PyObject *a = (PyObject *)self, *b, *o = NULL;
    PyArrayObject *ret;
    NPY_PREPARE_ARGPARSER;

    if (npy_parse_arguments("dot", args, len_args, kwnames,
            "b", NULL, &b,
            "|out", NULL, &o,
            NULL, NULL, NULL) < 0) {
        return NULL;
    }

    if (o != NULL) {
        if (o == Py_None) {
            o = NULL;
        }
        else if (!PyArray_Check(o)) {
            PyErr_SetString(PyExc_TypeError,
                            "'out' must be an array");
            return NULL;
        }
    }
    ret = (PyArrayObject *)PyArray_MatrixProduct2(a, b, (PyArrayObject *)o);
    return PyArray_Return(ret);
}


static PyObject *