// Copyright (C) 2008-2014 National ICT Australia (NICTA)
// 
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
// -------------------------------------------------------------------
// 
// Written by Conrad Sanderson - http://conradsanderson.id.au


//! \addtogroup BaseCube
//! @{



template<typename elem_type, typename derived>
struct BaseCube_eval_Cube
  {
  arma_inline const derived& eval() const;
  };


template<typename elem_type, typename derived>
struct BaseCube_eval_expr
  {
  arma_inline Cube<elem_type> eval() const;   //!< force the immediate evaluation of a delayed expression
  };


template<typename elem_type, typename derived, bool condition>
struct BaseCube_eval {};

template<typename elem_type, typename derived>
struct BaseCube_eval<elem_type, derived, true>  { typedef BaseCube_eval_Cube<elem_type, derived>  result; };

template<typename elem_type, typename derived>
struct BaseCube_eval<elem_type, derived, false> { typedef BaseCube_eval_expr<elem_type, derived> result; };



//! Analog of the Base class, intended for cubes
template<typename elem_type, typename derived>
struct BaseCube
  : public BaseCube_eval<elem_type, derived, is_Cube<derived>::value>::result
  {
  arma_inline const derived& get_ref() const;
  
  inline void print(                           const std::string extra_text = "") const;
  inline void print(std::ostream& user_stream, const std::string extra_text = "") const;
  
  inline void raw_print(                           const std::string extra_text = "") const;
  inline void raw_print(std::ostream& user_stream, const std::string extra_text = "") const;
  };



//! @}