// SPDX-License-Identifier: Apache-2.0
// 
// Copyright 2008-2016 Conrad Sanderson (https://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
// https://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 eGlueCube
//! @{


template<typename T1, typename T2, typename eglue_type>
struct eGlueCube : public BaseCube< typename T1::elem_type, eGlueCube<T1, T2, eglue_type> >
  {
  typedef typename T1::elem_type                   elem_type;
  typedef typename get_pod_type<elem_type>::result pod_type;
  typedef          ProxyCube<T1>                   proxy1_type;
  typedef          ProxyCube<T2>                   proxy2_type;
  
  static constexpr bool use_at      = (ProxyCube<T1>::use_at      || ProxyCube<T2>::use_at     );
  static constexpr bool use_mp      = (ProxyCube<T1>::use_mp      || ProxyCube<T2>::use_mp     );
  static constexpr bool has_subview = (ProxyCube<T1>::has_subview || ProxyCube<T2>::has_subview);
  
  const ProxyCube<T1> P1;
  const ProxyCube<T2> P2;
  
  arma_inline ~eGlueCube();
  arma_inline  eGlueCube(const T1& in_A, const T2& in_B);
  
  arma_inline uword get_n_rows()       const;
  arma_inline uword get_n_cols()       const;
  arma_inline uword get_n_elem_slice() const;
  arma_inline uword get_n_slices()     const;
  arma_inline uword get_n_elem()       const;
  
  arma_inline elem_type operator[] (const uword i)                                       const;
  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const;
  arma_inline elem_type at_alt     (const uword i)                                       const;
  };



//! @}