short_range_loop.hpp

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/*
 * Copyright (C) 2010-2026 The ESPResSo project
 *
 * This file is part of ESPResSo.
 *
 * ESPResSo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ESPResSo 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "config/config.hpp"
 
#include "cell_system/CellStructure.hpp"
 
#ifdef ESPRESSO_CALIPER
#include <caliper/cali.h>
#endif
 
#include <cassert>
 
namespace detail {
/**
 * @brief Functor that returns true for
 *        any arguments.
 */
struct True {
  template <class... T> bool operator()(T &...) const { return true; }
};
} // namespace detail
 
template <class BondKernel, class PairKernel,
          class VerletCriterion = detail::True>
void short_range_loop(BondKernel bond_kernel, PairKernel pair_kernel,
                      CellStructure &cell_structure, double pair_cutoff,
                      double bond_cutoff,
                      VerletCriterion const &verlet_criterion = {}) {
#ifdef ESPRESSO_CALIPER
  CALI_CXX_MARK_FUNCTION;
#endif
 
  assert(cell_structure.get_resort_particles() == Cells::RESORT_NONE);
 
  if (bond_cutoff >= 0.) {
    cell_structure.bond_loop(bond_kernel);
  }
 
  if (pair_cutoff > 0.) {
    cell_structure.non_bonded_loop(pair_kernel, verlet_criterion);
  }
}