max@0: // Copyright (C) 2010 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2010 Conrad Sanderson
max@0: // 
max@0: // This file is part of the Armadillo C++ library.
max@0: // It is provided without any warranty of fitness
max@0: // for any purpose. You can redistribute this file
max@0: // and/or modify it under the terms of the GNU
max@0: // Lesser General Public License (LGPL) as published
max@0: // by the Free Software Foundation, either version 3
max@0: // of the License or (at your option) any later version.
max@0: // (see http://www.opensource.org/licenses for more info)
max@0: 
max@0: 
max@0: //! \addtogroup op_flip
max@0: //! @{
max@0: 
max@0: 
max@0: 
max@0: template<typename T1>
max@0: inline
max@0: void
max@0: op_flipud::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_flipud>& in)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT;
max@0:   
max@0:   const unwrap<T1>  tmp(in.m);
max@0:   const Mat<eT> X = tmp.M;
max@0:   
max@0:   if(&out != &X)
max@0:     {
max@0:     out.copy_size(X);
max@0:     
max@0:     for(uword i=0; i<X.n_rows; ++i)
max@0:       {
max@0:       out.row(i) = X.row(X.n_rows-1 - i);
max@0:       }
max@0:     }
max@0:   else
max@0:     {
max@0:     const uword N = X.n_rows / 2;
max@0:     
max@0:     for(uword i=0; i<N; ++i)
max@0:       {
max@0:       out.swap_rows(i, X.n_rows-1 - i);
max@0:       }
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: template<typename T1>
max@0: inline
max@0: void
max@0: op_fliplr::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_fliplr>& in)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   
max@0:   typedef typename T1::elem_type eT;
max@0:   
max@0:   const unwrap<T1>  tmp(in.m);
max@0:   const Mat<eT> X = tmp.M;
max@0:   
max@0:   if(&out != &X)
max@0:     {
max@0:     out.copy_size(X);
max@0:     
max@0:     for(uword i=0; i<X.n_cols; ++i)
max@0:       {
max@0:       out.col(i) = X.col(X.n_cols-1 - i);
max@0:       }
max@0:     }
max@0:   else
max@0:     {
max@0:     const uword N = X.n_cols / 2;
max@0:     
max@0:     for(uword i=0; i<N; ++i)
max@0:       {
max@0:       out.swap_cols(i, X.n_cols-1 - i);
max@0:       }
max@0:     }
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! @}