text: // 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 op_max
  //! @{
  
  
  class op_max
    : public traits_op_xvec
    {
    public:
    
    // 
    // dense matrices
    
    template<typename T1>
    inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_max>& in);
    
    template<typename eT>
    inline static void apply_noalias(Mat<eT>& out, const Mat<eT>& X, const uword dim, const typename arma_not_cx<eT>::result* junk = nullptr);
    
    template<typename eT>
    inline static void apply_noalias(Mat<eT>& out, const Mat<eT>& X, const uword dim, const typename arma_cx_only<eT>::result* junk = nullptr);
    
    
    // 
    // cubes
    
    template<typename T1>
    inline static void apply(Cube<typename T1::elem_type>& out, const OpCube<T1,op_max>& in);
    
    template<typename eT>
    inline static void apply_noalias(Cube<eT>& out, const Cube<eT>& X, const uword dim, const typename arma_not_cx<eT>::result* junk = nullptr);
    
    template<typename eT>
    inline static void apply_noalias(Cube<eT>& out, const Cube<eT>& X, const uword dim, const typename arma_cx_only<eT>::result* junk = nullptr);
    
    
    //
    // for non-complex numbers
    
    template<typename eT>
    inline static eT direct_max(const eT* const X, const uword N);
    
    template<typename eT>
    inline static eT direct_max(const eT* const X, const uword N, uword& index_of_max_val);
    
    template<typename eT>
    inline static eT direct_max(const Mat<eT>& X, const uword row);
    
    template<typename eT>
    inline static eT max(const subview<eT>& X);
    
    template<typename T1>
    inline static typename arma_not_cx<typename T1::elem_type>::result max(const Base<typename T1::elem_type, T1>& X);
    
    template<typename T1>
    inline static typename arma_not_cx<typename T1::elem_type>::result max(const BaseCube<typename T1::elem_type, T1>& X);
    
    template<typename T1>
    inline static typename arma_not_cx<typename T1::elem_type>::result max_with_index(const Proxy<T1>& P, uword& index_of_max_val);
    
    template<typename T1>
    inline static typename arma_not_cx<typename T1::elem_type>::result max_with_index(const ProxyCube<T1>& P, uword& index_of_max_val);
    
  
    //
    // for complex numbers
    
    template<typename T>
    inline static std::complex<T> direct_max(const std::complex<T>* const X, const uword n_elem);
    
    template<typename T>
    inline static std::complex<T> direct_max(const std::complex<T>* const X, const uword n_elem, uword& index_of_max_val);
    
    template<typename T>
    inline static std::complex<T> direct_max(const Mat< std::complex<T> >& X, const uword row);
    
    template<typename T>
    inline static std::complex<T> max(const subview< std::complex<T> >& X);
    
    template<typename T1>
    inline static typename arma_cx_only<typename T1::elem_type>::result max(const Base<typename T1::elem_type, T1>& X);
    
    template<typename T1>
    inline static typename arma_cx_only<typename T1::elem_type>::result max(const BaseCube<typename T1::elem_type, T1>& X);
    
    template<typename T1>
    inline static typename arma_cx_only<typename T1::elem_type>::result max_with_index(const Proxy<T1>& P, uword& index_of_max_val);
    
    template<typename T1>
    inline static typename arma_cx_only<typename T1::elem_type>::result max_with_index(const ProxyCube<T1>& P, uword& index_of_max_val);
    };
  
  
  
  //! @}
  