core: declare argument names

src/core.cpp

@@ -183,11 +183,12 @@ PYBIND11_MODULE(_core, m)
     m.doc() = "usadelndsoc._core";
 
     py::class_<Action>(m, "Action")
-        .def(py::init<double, Action::UType, Action::OmegaType>())
-        .def("set", &Action::set)
-        .def("eval", &Action::eval)
-        .def("grad", &Action::grad)
-        .def("hess", &Action::hess)
-        .def("compute", &Action::compute)
+        .def(py::init<double, Action::UType, Action::OmegaType>(), "Action",
+             py::arg("h"), py::arg("U"), py::arg("Omega"))
+        .def("set", &Action::set, "Set parameters", py::arg("omega"))
+        .def("eval", &Action::eval, "Evaluate value of action", py::arg("Q"))
+        .def("grad", &Action::grad, "Evaluate gradient of action", py::arg("Q"))
+        .def("hess", &Action::hess, "Evaluate hessian of action", py::arg("Q"))
+        .def("compute", &Action::compute, "Precompute for AD", py::arg("Q"))
         ;
 }