Chris@49: // Copyright (C) 2008-2012 NICTA (www.nicta.com.au)
Chris@49: // Copyright (C) 2008-2012 Conrad Sanderson
Chris@49: // 
Chris@49: // This Source Code Form is subject to the terms of the Mozilla Public
Chris@49: // License, v. 2.0. If a copy of the MPL was not distributed with this
Chris@49: // file, You can obtain one at http://mozilla.org/MPL/2.0/.
Chris@49: 
Chris@49: 
Chris@49: //! \addtogroup fn_conv_to
Chris@49: //! @{
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! conversion from Armadillo Base and BaseCube objects to scalars
Chris@49: //! (kept only for compatibility with old code; use as_scalar() instead for Base objects like Mat)
Chris@49: template<typename out_eT>
Chris@49: class conv_to
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static out_eT from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49: 
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static out_eT from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static out_eT from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static out_eT from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: out_eT
Chris@49: conv_to<out_eT>::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( (X.n_elem != 1), "conv_to(): given object doesn't have exactly one element" );
Chris@49:   
Chris@49:   return out_eT(X.mem[0]);
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: out_eT
Chris@49: conv_to<out_eT>::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( (X.n_elem != 1), "conv_to(): given object doesn't have exactly one element" );
Chris@49:   
Chris@49:   out_eT out;
Chris@49:   
Chris@49:   arrayops::convert_cx_scalar(out, X.mem[0]);
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: out_eT
Chris@49: conv_to<out_eT>::from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
Chris@49:   
Chris@49:   const unwrap_cube<T1>  tmp(in.get_ref());
Chris@49:   const Cube<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( (X.n_elem != 1), "conv_to(): given object doesn't have exactly one element" );
Chris@49:   
Chris@49:   return out_eT(X.mem[0]);
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: out_eT
Chris@49: conv_to<out_eT>::from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   arma_type_check(( is_supported_elem_type<out_eT>::value == false ));
Chris@49:   
Chris@49:   const unwrap_cube<T1>  tmp(in.get_ref());
Chris@49:   const Cube<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( (X.n_elem != 1), "conv_to(): given object doesn't have exactly one element" );
Chris@49:   
Chris@49:   out_eT out;
Chris@49:   
Chris@49:   arrayops::convert_cx_scalar(out, X.mem[0]);
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! conversion to Armadillo matrices from Armadillo Base objects, as well as from std::vector
Chris@49: template<typename out_eT>
Chris@49: class conv_to< Mat<out_eT> >
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Mat<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Mat<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   
Chris@49:   
Chris@49:   template<typename in_eT>
Chris@49:   inline static Mat<out_eT> from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT>
Chris@49:   inline static Mat<out_eT> from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Mat<out_eT>
Chris@49: conv_to< Mat<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   Mat<out_eT> out(X.n_rows, X.n_cols);
Chris@49:   
Chris@49:   arrayops::convert( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Mat<out_eT>
Chris@49: conv_to< Mat<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   Mat<out_eT> out(X.n_rows, X.n_cols);
Chris@49:   
Chris@49:   arrayops::convert_cx( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT>
Chris@49: inline
Chris@49: Mat<out_eT>
Chris@49: conv_to< Mat<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const uword N = uword( in.size() );
Chris@49:   
Chris@49:   Mat<out_eT> out(N, 1);
Chris@49:   
Chris@49:   if(N > 0)
Chris@49:     {
Chris@49:           out_eT* out_mem = out.memptr();
Chris@49:     const  in_eT*  in_mem = &(in[0]);
Chris@49:     
Chris@49:     for(uword i=0; i<N; ++i)
Chris@49:       {
Chris@49:       out_mem[i] = out_eT( in_mem[i] );
Chris@49:       }
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT>
Chris@49: inline
Chris@49: Mat<out_eT>
Chris@49: conv_to< Mat<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   Mat<out_eT> out(in.size(), 1);
Chris@49:   
Chris@49:   typename std::vector<in_eT>::const_iterator in_begin = in.begin();
Chris@49:   typename std::vector<in_eT>::const_iterator in_end   = in.end();
Chris@49:   
Chris@49:   typename Mat<out_eT>::iterator out_begin = out.begin();
Chris@49:   typename Mat<out_eT>::iterator out_end   = out.end();
Chris@49:   
Chris@49:   typename std::vector<in_eT>::const_iterator in_it;
Chris@49:   typename Mat<out_eT>::iterator              out_it;
Chris@49:   
Chris@49:   for(in_it = in_begin, out_it = out_begin; (in_it != in_end) && (out_it != out_end); ++in_it, ++out_it)
Chris@49:     {
Chris@49:           out_eT& out_elem = (*out_it);
Chris@49:     const in_eT&  in_elem  = (*in_it);
Chris@49:     
Chris@49:     arrayops::convert_cx_scalar(out_elem, in_elem);
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! conversion to Armadillo row vectors from Armadillo Base objects, as well as from std::vector
Chris@49: template<typename out_eT>
Chris@49: class conv_to< Row<out_eT> >
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Row<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Row<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   
Chris@49:   
Chris@49:   template<typename in_eT>
Chris@49:   inline static Row<out_eT> from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT>
Chris@49:   inline static Row<out_eT> from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Row<out_eT>
Chris@49: conv_to< Row<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
Chris@49:   
Chris@49:   Row<out_eT> out(X.n_elem);
Chris@49:   
Chris@49:   arrayops::convert( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Row<out_eT>
Chris@49: conv_to< Row<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
Chris@49:   
Chris@49:   Row<out_eT> out(X.n_rows, X.n_cols);
Chris@49:   
Chris@49:   arrayops::convert_cx( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT>
Chris@49: inline
Chris@49: Row<out_eT>
Chris@49: conv_to< Row<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const uword N = uword( in.size() );
Chris@49:   
Chris@49:   Row<out_eT> out(N);
Chris@49:   
Chris@49:   if(N > 0)
Chris@49:     {
Chris@49:           out_eT* out_mem = out.memptr();
Chris@49:     const  in_eT*  in_mem = &(in[0]);
Chris@49:     
Chris@49:     for(uword i=0; i<N; ++i)
Chris@49:       {
Chris@49:       out_mem[i] = out_eT( in_mem[i] );
Chris@49:       }
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT>
Chris@49: inline
Chris@49: Row<out_eT>
Chris@49: conv_to< Row<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   Row<out_eT> out( in.size() );
Chris@49:   
Chris@49:   typename std::vector<in_eT>::const_iterator in_begin = in.begin();
Chris@49:   typename std::vector<in_eT>::const_iterator in_end   = in.end();
Chris@49:   
Chris@49:   typename Row<out_eT>::iterator out_begin = out.begin();
Chris@49:   typename Row<out_eT>::iterator out_end   = out.end();
Chris@49:   
Chris@49:   typename std::vector<in_eT>::const_iterator in_it;
Chris@49:   typename Row<out_eT>::iterator              out_it;
Chris@49:   
Chris@49:   for(in_it = in_begin, out_it = out_begin; (in_it != in_end) && (out_it != out_end); ++in_it, ++out_it)
Chris@49:     {
Chris@49:           out_eT& out_elem = (*out_it);
Chris@49:     const in_eT&  in_elem  = (*in_it);
Chris@49:     
Chris@49:     arrayops::convert_cx_scalar(out_elem, in_elem);
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! conversion to Armadillo column vectors from Armadillo Base objects, as well as from std::vector
Chris@49: template<typename out_eT>
Chris@49: class conv_to< Col<out_eT> >
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Col<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Col<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   
Chris@49:   
Chris@49:   template<typename in_eT>
Chris@49:   inline static Col<out_eT> from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT>
Chris@49:   inline static Col<out_eT> from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Col<out_eT>
Chris@49: conv_to< Col<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
Chris@49:   
Chris@49:   Col<out_eT> out(X.n_elem);
Chris@49:   
Chris@49:   arrayops::convert( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Col<out_eT>
Chris@49: conv_to< Col<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
Chris@49:   
Chris@49:   Col<out_eT> out(X.n_rows, X.n_cols);
Chris@49:   
Chris@49:   arrayops::convert_cx( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT>
Chris@49: inline
Chris@49: Col<out_eT>
Chris@49: conv_to< Col<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const uword N = uword( in.size() );
Chris@49:   
Chris@49:   Col<out_eT> out(N);
Chris@49:   
Chris@49:   if(N > 0)
Chris@49:     {
Chris@49:           out_eT* out_mem = out.memptr();
Chris@49:     const  in_eT*  in_mem = &(in[0]);
Chris@49:     
Chris@49:     for(uword i=0; i<N; ++i)
Chris@49:       {
Chris@49:       out_mem[i] = out_eT( in_mem[i] );
Chris@49:       }
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT>
Chris@49: inline
Chris@49: Col<out_eT>
Chris@49: conv_to< Col<out_eT> >::from(const std::vector<in_eT>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   Col<out_eT> out( in.size() );
Chris@49:   
Chris@49:   typename std::vector<in_eT>::const_iterator in_begin = in.begin();
Chris@49:   typename std::vector<in_eT>::const_iterator in_end   = in.end();
Chris@49:   
Chris@49:   typename Col<out_eT>::iterator out_begin = out.begin();
Chris@49:   typename Col<out_eT>::iterator out_end   = out.end();
Chris@49:   
Chris@49:   typename std::vector<in_eT>::const_iterator in_it;
Chris@49:   typename Col<out_eT>::iterator              out_it;
Chris@49:   
Chris@49:   for(in_it = in_begin, out_it = out_begin; (in_it != in_end) && (out_it != out_end); ++in_it, ++out_it)
Chris@49:     {
Chris@49:           out_eT& out_elem = (*out_it);
Chris@49:     const in_eT&  in_elem  = (*in_it);
Chris@49:     
Chris@49:     arrayops::convert_cx_scalar(out_elem, in_elem);
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! conversion to Armadillo cubes from Armadillo BaseCube objects
Chris@49: template<typename out_eT>
Chris@49: class conv_to< Cube<out_eT> >
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Cube<out_eT> from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static Cube<out_eT> from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Cube<out_eT>
Chris@49: conv_to< Cube<out_eT> >::from(const BaseCube<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap_cube<T1>  tmp( in.get_ref() );
Chris@49:   const Cube<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   Cube<out_eT> out(X.n_rows, X.n_cols, X.n_slices);
Chris@49:   
Chris@49:   arrayops::convert( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: Cube<out_eT>
Chris@49: conv_to< Cube<out_eT> >::from(const BaseCube<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap_cube<T1>  tmp( in.get_ref() );
Chris@49:   const Cube<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   Cube<out_eT> out(X.n_rows, X.n_cols, X.n_slices);
Chris@49:   
Chris@49:   arrayops::convert_cx( out.memptr(), X.memptr(), out.n_elem );
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! conversion to std::vector from Armadillo Base objects
Chris@49: template<typename out_eT>
Chris@49: class conv_to< std::vector<out_eT> >
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static std::vector<out_eT> from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk = 0);
Chris@49:   
Chris@49:   template<typename in_eT, typename T1>
Chris@49:   inline static std::vector<out_eT> from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk = 0);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: std::vector<out_eT>
Chris@49: conv_to< std::vector<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_not_cx<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
Chris@49:   
Chris@49:   const uword N = X.n_elem;
Chris@49:   
Chris@49:   std::vector<out_eT> out(N);
Chris@49:   
Chris@49:   if(N > 0)
Chris@49:     {
Chris@49:           out_eT* out_mem = &(out[0]);
Chris@49:     const  in_eT*   X_mem = X.memptr();
Chris@49:     
Chris@49:     for(uword i=0; i<N; ++i)
Chris@49:       {
Chris@49:       out_mem[i] = out_eT( X_mem[i] );
Chris@49:       }
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename out_eT>
Chris@49: template<typename in_eT, typename T1>
Chris@49: inline
Chris@49: std::vector<out_eT>
Chris@49: conv_to< std::vector<out_eT> >::from(const Base<in_eT, T1>& in, const typename arma_cx_only<in_eT>::result* junk)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   arma_ignore(junk);
Chris@49:   
Chris@49:   const unwrap<T1>      tmp(in.get_ref());
Chris@49:   const Mat<in_eT>& X = tmp.M;
Chris@49:   
Chris@49:   arma_debug_check( ( (X.is_vec() == false) && (X.is_empty() == false) ), "conv_to(): given object can't be interpreted as a vector" );
Chris@49:   
Chris@49:   std::vector<out_eT> out(X.n_elem);
Chris@49:   
Chris@49:   typename Mat<in_eT>::const_iterator X_begin = X.begin();
Chris@49:   typename Mat<in_eT>::const_iterator X_end   = X.end();
Chris@49: 
Chris@49:   typename std::vector<out_eT>::iterator out_begin = out.begin();
Chris@49:   typename std::vector<out_eT>::iterator out_end   = out.end();
Chris@49:   
Chris@49:   typename Mat<in_eT>::const_iterator    X_it;
Chris@49:   typename std::vector<out_eT>::iterator out_it;
Chris@49:   
Chris@49:   for(X_it = X_begin, out_it = out_begin; (X_it != X_end) && (out_it != out_end); ++X_it, ++out_it)
Chris@49:     {
Chris@49:           out_eT& out_elem = (*out_it);
Chris@49:     const in_eT&  X_elem   = (*X_it);
Chris@49:     
Chris@49:     arrayops::convert_cx_scalar(out_elem, X_elem);
Chris@49:     }
Chris@49:   
Chris@49:   return out;
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! @}