+/*
+ * This file is part of the GROMACS molecular simulation package.
+ *
+ * Copyright (c) 2019, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
+ *
+ * GROMACS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * GROMACS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with GROMACS; if not, see
+ * http://www.gnu.org/licenses, or write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * If you want to redistribute modifications to GROMACS, please
+ * consider that scientific software is very special. Version
+ * control is crucial - bugs must be traceable. We will be happy to
+ * consider code for inclusion in the official distribution, but
+ * derived work must not be called official GROMACS. Details are found
+ * in the README & COPYING files - if they are missing, get the
+ * official version at http://www.gromacs.org.
+ *
+ * To help us fund GROMACS development, we humbly ask that you cite
+ * the research papers on the package. Check out http://www.gromacs.org.
+ */
+
+/*! \libinternal \file
+ * \brief Defines nbnxn locality enums
+ *
+ * \author Berk Hess <hess@kth.se>
+ * \ingroup module_nbnxm
+ */
+
+#ifndef GMX_NBNXM_LOCALITY_H
+#define GMX_NBNXM_LOCALITY_H
+
+namespace Nbnxm
+{
+
+/*! \brief Atom locality indicator: local, non-local, all.
+ *
+ * Used for calls to:
+ * gridding, force calculation, x/f buffer operations
+ */
+enum class AtomLocality : int
+{
+ Local = 0, //!< Local atoms
+ NonLocal = 1, //!< Non-local atoms
+ All = 2, //!< Both local and non-local atoms
+ Count = 3 //!< The number of atom locality types
+};
+
+/*! \brief Interaction locality indicator: local, non-local, all.
+ *
+ * Used for calls to:
+ * pair-search, force calculation, x/f buffer operations
+ */
+enum class InteractionLocality : int
+{
+ Local = 0, //!< Interactions between local atoms only
+ NonLocal = 1, //!< Interactions between non-local and (non-)local atoms
+ Count = 2 //!< The number of interaction locality types
+};
+
+} // namespace Nbnxm
+
+#endif // GMX_NBNXM_LOCALITY_H