max@0: // Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2008-2011 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_htrans
max@0: //! @{
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: arma_inline
max@0: void
max@0: op_htrans::apply_noalias(Mat<eT>& out, const Mat<eT>& A, const typename arma_not_cx<eT>::result* junk)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   arma_ignore(junk);
max@0:   
max@0:   op_strans::apply_noalias(out, A);
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: inline
max@0: void
max@0: op_htrans::apply_noalias(Mat<eT>& out, const Mat<eT>& A, const typename arma_cx_only<eT>::result* junk)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   arma_ignore(junk);
max@0:   
max@0:   const uword A_n_rows = A.n_rows;
max@0:   const uword A_n_cols = A.n_cols;
max@0:   
max@0:   out.set_size(A_n_cols, A_n_rows);
max@0:   
max@0:   for(uword in_row = 0; in_row < A_n_rows; ++in_row)
max@0:     {
max@0:     const uword out_col = in_row;
max@0:   
max@0:     for(uword in_col = 0; in_col < A_n_cols; ++in_col)
max@0:       {
max@0:       const uword out_row = in_col;
max@0:       out.at(out_row, out_col) = std::conj( A.at(in_row, in_col) );
max@0:       }
max@0:     }
max@0:   
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: arma_inline
max@0: void
max@0: op_htrans::apply(Mat<eT>& out, const Mat<eT>& A, const typename arma_not_cx<eT>::result* junk)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   arma_ignore(junk);
max@0:   
max@0:   op_strans::apply(out, A);
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: template<typename eT>
max@0: inline
max@0: void
max@0: op_htrans::apply(Mat<eT>& out, const Mat<eT>& A, const typename arma_cx_only<eT>::result* junk)
max@0:   {
max@0:   arma_extra_debug_sigprint();
max@0:   arma_ignore(junk);
max@0:   
max@0:   if(&out != &A)
max@0:     {
max@0:     op_htrans::apply_noalias(out, A);
max@0:     }
max@0:   else
max@0:     {
max@0:     if(out.n_rows == out.n_cols)
max@0:       {
max@0:       arma_extra_debug_print("doing in-place hermitian transpose of a square matrix");
max@0:       
max@0:       const uword n_rows = out.n_rows;
max@0:       const uword n_cols = out.n_cols;
max@0:       
max@0:       for(uword col=0; col<n_cols; ++col)
max@0:         {
max@0:         eT* coldata = out.colptr(col);
max@0:         
max@0:         out.at(col,col) = std::conj( out.at(col,col) );
max@0:         
max@0:         for(uword row=(col+1); row<n_rows; ++row)
max@0:           {
max@0:           const eT val1 = std::conj(coldata[row]);
max@0:           const eT val2 = std::conj(out.at(col,row));
max@0:           
max@0:           out.at(col,row) = val1;
max@0:           coldata[row]    = val2;
max@0:           }
max@0:         }
max@0:       }
max@0:     else
max@0:       {
max@0:       Mat<eT> tmp;
max@0:       op_strans::apply_noalias(tmp, A);
max@0:       
max@0:       out.steal_mem(tmp);
max@0:       }
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_htrans::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_htrans>& 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>& A = tmp.M;
max@0:   
max@0:   op_htrans::apply(out, A);
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: template<typename T1>
max@0: inline
max@0: void
max@0: op_htrans::apply(Mat<typename T1::elem_type>& out, const Op< Op<T1, op_trimat>, op_htrans>& 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.m);
max@0:   const Mat<eT>& A = tmp.M;
max@0:   
max@0:   const bool upper = in.m.aux_uword_a;
max@0:   
max@0:   op_trimat::apply_htrans(out, A, upper);
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: template<typename T1>
max@0: inline
max@0: void
max@0: op_htrans2::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_htrans2>& 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:   
max@0:   op_htrans::apply(out, tmp.M);
max@0:   
max@0:   arrayops::inplace_mul( out.memptr(), in.aux, out.n_elem );
max@0:   }
max@0: 
max@0: 
max@0: 
max@0: //! @}