Chris@49: // Copyright (C) 2010 NICTA (www.nicta.com.au)
Chris@49: // Copyright (C) 2010 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 op_flip
Chris@49: //! @{
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename T1>
Chris@49: inline
Chris@49: void
Chris@49: op_flipud::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_flipud>& in)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   
Chris@49:   typedef typename T1::elem_type eT;
Chris@49:   
Chris@49:   const unwrap<T1>  tmp(in.m);
Chris@49:   const Mat<eT> X = tmp.M;
Chris@49:   
Chris@49:   if(&out != &X)
Chris@49:     {
Chris@49:     out.copy_size(X);
Chris@49:     
Chris@49:     for(uword i=0; i<X.n_rows; ++i)
Chris@49:       {
Chris@49:       out.row(i) = X.row(X.n_rows-1 - i);
Chris@49:       }
Chris@49:     }
Chris@49:   else
Chris@49:     {
Chris@49:     const uword N = X.n_rows / 2;
Chris@49:     
Chris@49:     for(uword i=0; i<N; ++i)
Chris@49:       {
Chris@49:       out.swap_rows(i, X.n_rows-1 - i);
Chris@49:       }
Chris@49:     }
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: template<typename T1>
Chris@49: inline
Chris@49: void
Chris@49: op_fliplr::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_fliplr>& in)
Chris@49:   {
Chris@49:   arma_extra_debug_sigprint();
Chris@49:   
Chris@49:   typedef typename T1::elem_type eT;
Chris@49:   
Chris@49:   const unwrap<T1>  tmp(in.m);
Chris@49:   const Mat<eT> X = tmp.M;
Chris@49:   
Chris@49:   if(&out != &X)
Chris@49:     {
Chris@49:     out.copy_size(X);
Chris@49:     
Chris@49:     for(uword i=0; i<X.n_cols; ++i)
Chris@49:       {
Chris@49:       out.col(i) = X.col(X.n_cols-1 - i);
Chris@49:       }
Chris@49:     }
Chris@49:   else
Chris@49:     {
Chris@49:     const uword N = X.n_cols / 2;
Chris@49:     
Chris@49:     for(uword i=0; i<N; ++i)
Chris@49:       {
Chris@49:       out.swap_cols(i, X.n_cols-1 - i);
Chris@49:       }
Chris@49:     }
Chris@49:   }
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! @}