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00001 // Copyright (C) 2010 NICTA (www.nicta.com.au) 00002 // Copyright (C) 2010 Conrad Sanderson 00003 // 00004 // This file is part of the Armadillo C++ library. 00005 // It is provided without any warranty of fitness 00006 // for any purpose. You can redistribute this file 00007 // and/or modify it under the terms of the GNU 00008 // Lesser General Public License (LGPL) as published 00009 // by the Free Software Foundation, either version 3 00010 // of the License or (at your option) any later version. 00011 // (see http://www.opensource.org/licenses for more info) 00012 00013 00016 00017 00018 00019 template<typename T1> 00020 inline 00021 void 00022 op_flipud::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_flipud>& in) 00023 { 00024 arma_extra_debug_sigprint(); 00025 00026 typedef typename T1::elem_type eT; 00027 00028 const unwrap<T1> tmp(in.m); 00029 const Mat<eT> X = tmp.M; 00030 00031 if(&out != &X) 00032 { 00033 out.copy_size(X); 00034 00035 for(uword i=0; i<X.n_rows; ++i) 00036 { 00037 out.row(i) = X.row(X.n_rows-1 - i); 00038 } 00039 } 00040 else 00041 { 00042 const uword N = X.n_rows / 2; 00043 00044 for(uword i=0; i<N; ++i) 00045 { 00046 out.swap_rows(i, X.n_rows-1 - i); 00047 } 00048 } 00049 } 00050 00051 00052 00053 template<typename T1> 00054 inline 00055 void 00056 op_fliplr::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_fliplr>& in) 00057 { 00058 arma_extra_debug_sigprint(); 00059 00060 typedef typename T1::elem_type eT; 00061 00062 const unwrap<T1> tmp(in.m); 00063 const Mat<eT> X = tmp.M; 00064 00065 if(&out != &X) 00066 { 00067 out.copy_size(X); 00068 00069 for(uword i=0; i<X.n_cols; ++i) 00070 { 00071 out.col(i) = X.col(X.n_cols-1 - i); 00072 } 00073 } 00074 else 00075 { 00076 const uword N = X.n_cols / 2; 00077 00078 for(uword i=0; i<N; ++i) 00079 { 00080 out.swap_cols(i, X.n_cols-1 - i); 00081 } 00082 } 00083 } 00084 00085 00086