// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project

#ifndef KOKKOS_STD_ALGORITHMS_REVERSE_HPP
#define KOKKOS_STD_ALGORITHMS_REVERSE_HPP

#include "impl/Kokkos_Reverse.hpp"
#include <Kokkos_Iterator.hpp>

namespace Kokkos {
namespace Experimental {

//
// overload set accepting execution space
//
template <
    typename ExecutionSpace, typename InputIterator,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
void reverse(const ExecutionSpace& ex, InputIterator first,
             InputIterator last) {
  return Impl::reverse_exespace_impl("Kokkos::reverse_iterator_api_default", ex,
                                     first, last);
}

template <
    typename ExecutionSpace, typename InputIterator,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
void reverse(const std::string& label, const ExecutionSpace& ex,
             InputIterator first, InputIterator last) {
  return Impl::reverse_exespace_impl(label, ex, first, last);
}

template <
    typename ExecutionSpace, typename DataType, typename... Properties,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
void reverse(const ExecutionSpace& ex,
             const ::Kokkos::View<DataType, Properties...>& view) {
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view);
  namespace KE = ::Kokkos::Experimental;
  return Impl::reverse_exespace_impl("Kokkos::reverse_view_api_default", ex,
                                     KE::begin(view), KE::end(view));
}

template <
    typename ExecutionSpace, typename DataType, typename... Properties,
    std::enable_if_t<::Kokkos::is_execution_space_v<ExecutionSpace>, int> = 0>
void reverse(const std::string& label, const ExecutionSpace& ex,
             const ::Kokkos::View<DataType, Properties...>& view) {
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view);
  namespace KE = ::Kokkos::Experimental;
  return Impl::reverse_exespace_impl(label, ex, KE::begin(view), KE::end(view));
}

//
// overload set accepting a team handle
// Note: for now omit the overloads accepting a label
// since they cause issues on device because of the string allocation.
//
template <typename TeamHandleType, typename InputIterator,
          std::enable_if_t<::Kokkos::is_team_handle_v<TeamHandleType>, int> = 0>
KOKKOS_FUNCTION void reverse(const TeamHandleType& teamHandle,
                             InputIterator first, InputIterator last) {
  return Impl::reverse_team_impl(teamHandle, first, last);
}

template <typename TeamHandleType, typename DataType, typename... Properties,
          std::enable_if_t<::Kokkos::is_team_handle_v<TeamHandleType>, int> = 0>
KOKKOS_FUNCTION void reverse(
    const TeamHandleType& teamHandle,
    const ::Kokkos::View<DataType, Properties...>& view) {
  Impl::static_assert_is_admissible_to_kokkos_std_algorithms(view);
  namespace KE = ::Kokkos::Experimental;
  return Impl::reverse_team_impl(teamHandle, KE::begin(view), KE::end(view));
}

}  // namespace Experimental
}  // namespace Kokkos

#endif
