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#ifndef KOKKOSBLAS1_TEAM_ABS_SPEC_HPP_
#define KOKKOSBLAS1_TEAM_ABS_SPEC_HPP_

#include <KokkosKernels_config.h>
#include <Kokkos_Core.hpp>
#include <Kokkos_ArithTraits.hpp>
#include <Kokkos_InnerProductSpaceTraits.hpp>

namespace KokkosBlas {
namespace Experimental {
namespace Impl {

template <class RV, class XV>
struct team_abs_tpl_spec_avail {
  constexpr static bool value = false;
};

// Unification and Specialization layer
template <class TeamType, class RV, class XV,
          bool tpl_spec_avail = team_abs_tpl_spec_avail<RV, XV>::value>
struct TeamAbs {
  typedef Kokkos::Details::ArithTraits<typename XV::non_const_value_type> ATS;

  static KOKKOS_INLINE_FUNCTION void team_abs(const TeamType& team, const RV& R,
                                              const XV& X);
};

template <class TeamType, class RV, class XV>
struct TeamAbs<TeamType, RV, XV, false> {
  typedef Kokkos::Details::ArithTraits<typename XV::non_const_value_type> ATS;

  static KOKKOS_INLINE_FUNCTION void team_abs(const TeamType& team, const RV& R,
                                              const XV& X) {
    int N = X.extent(0);
    Kokkos::parallel_for(Kokkos::TeamThreadRange(team, N),
                         [&](const int& i) { R(i) = ATS::abs(X(i)); });
  }
};

}  // namespace Impl
}  // namespace Experimental
}  // namespace KokkosBlas

#endif
