/*
 * This file is part of the GROMACS molecular simulation package.
 *
 * Copyright (c) 2017,2018,2019, 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,
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * License along with GROMACS; if not, see
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 */
/* Auxiliary kernels */

/* Very few data */
__kernel void zero_e_fshift(__global float* fshift, __global float* e_lj, __global float* e_el, const unsigned int Nbuf)
{
    unsigned int tidx = get_global_id(0);
    if (tidx < Nbuf)
    {
        fshift[tidx] = 0.0F;
    }
    if (tidx == 0)
    {
        *e_lj = 0.0F;
        *e_el = 0.0F;
    }
}

/* Generate pruning kernels. */
#define HAVE_FRESH_LIST 1
#include "nbnxm_ocl_kernel_pruneonly.clh"
#undef HAVE_FRESH_LIST
#include "nbnxm_ocl_kernel_pruneonly.clh"

#if defined GMX_OCL_FASTGEN
#    define FLAVOR_LEVEL_GENERATOR "nbnxm_ocl_kernels_fastgen.clh"
#elif defined GMX_OCL_FASTGEN_ADD_TWINCUT
#    define FLAVOR_LEVEL_GENERATOR "nbnxm_ocl_kernels_fastgen_add_twincut.clh"
#else
#    define FLAVOR_LEVEL_GENERATOR "nbnxm_ocl_kernels.clh"
#endif

/* Top-level kernel generation: will generate through multiple inclusion the
 * following flavors for all kernels:
 * - force-only output;
 * - force and energy output;
 * - force-only with pair list pruning;
 * - force and energy output with pair list pruning.
 */

/** Force only **/
#include FLAVOR_LEVEL_GENERATOR
/** Force & energy **/
#define CALC_ENERGIES
#include FLAVOR_LEVEL_GENERATOR
#undef CALC_ENERGIES

/*** Pair-list pruning kernels ***/
/** Force only **/
#define PRUNE_NBL
#include FLAVOR_LEVEL_GENERATOR
/** Force & energy **/
#define CALC_ENERGIES
#include FLAVOR_LEVEL_GENERATOR
#undef CALC_ENERGIES
#undef PRUNE_NBL
