// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------

//! \addtogroup fn_reverse
//! @{

template <typename T1>
arma_warn_unused inline
    typename enable_if2<is_arma_type<T1>::value && resolves_to_vector<T1>::yes,
                        const Op<T1, op_reverse_vec> >::result
    reverse(const T1& X) {
  arma_debug_sigprint();

  return Op<T1, op_reverse_vec>(X);
}

template <typename T1>
arma_warn_unused inline
    typename enable_if2<is_arma_type<T1>::value && resolves_to_vector<T1>::no,
                        const Op<T1, op_reverse> >::result
    reverse(const T1& X) {
  arma_debug_sigprint();

  return Op<T1, op_reverse>(X, 0, 0);
}

template <typename T1>
arma_warn_unused inline
    typename enable_if2<is_arma_type<T1>::value, const Op<T1, op_reverse> >::result
    reverse(const T1& X, const uword dim) {
  arma_debug_sigprint();

  return Op<T1, op_reverse>(X, dim, 0);
}

template <typename T1>
arma_warn_unused inline const SpOp<T1, spop_reverse> reverse(
    const SpBase<typename T1::elem_type, T1>& X, const uword dim = 0) {
  arma_debug_sigprint();

  return SpOp<T1, spop_reverse>(X.get_ref(), dim, 0);
}

//! @}
