Move into version control

1 files changed, 1888 insertions, 0 deletions

diff --git a/src/armadillo/include/armadillo_bits/Row_meat.hpp b/src/armadillo/include/armadillo_bits/Row_meat.hpp
new file mode 100644
index 0000000..f61a179
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/Row_meat.hpp
@@ -0,0 +1,1888 @@
+// SPDX-License-Identifier: Apache-2.0
+// 
+// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2008-2016 National ICT Australia (NICTA)
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+//! \addtogroup Row
+//! @{
+
+
+//! construct an empty row vector
+template<typename eT>
+inline
+Row<eT>::Row()
+  : Mat<eT>(arma_vec_indicator(), 2)
+  {
+  arma_extra_debug_sigprint();
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const Row<eT>& X)
+  : Mat<eT>(arma_vec_indicator(), 1, X.n_elem, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  arrayops::copy((*this).memptr(), X.memptr(), X.n_elem);
+  }
+
+
+
+//! construct a row vector with the specified number of n_elem
+template<typename eT>
+inline
+Row<eT>::Row(const uword in_n_elem)
+  : Mat<eT>(arma_vec_indicator(), 1, in_n_elem, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  if(arma_config::zero_init)
+    {
+    arma_extra_debug_print("Row::constructor: zeroing memory");
+    arrayops::fill_zeros(Mat<eT>::memptr(), Mat<eT>::n_elem);
+    }
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const uword in_n_rows, const uword in_n_cols)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(in_n_rows, in_n_cols);
+  
+  if(arma_config::zero_init)
+    {
+    arma_extra_debug_print("Row::constructor: zeroing memory");
+    arrayops::fill_zeros(Mat<eT>::memptr(), Mat<eT>::n_elem);
+    }
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const SizeMat& s)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(s.n_rows, s.n_cols);
+  
+  if(arma_config::zero_init)
+    {
+    arma_extra_debug_print("Row::constructor: zeroing memory");
+    arrayops::fill_zeros(Mat<eT>::memptr(), Mat<eT>::n_elem);
+    }
+  }
+
+
+
+//! internal use only
+template<typename eT>
+template<bool do_zeros>
+inline
+Row<eT>::Row(const uword in_n_elem, const arma_initmode_indicator<do_zeros>&)
+  : Mat<eT>(arma_vec_indicator(), 1, in_n_elem, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  if(do_zeros)
+    {
+    arma_extra_debug_print("Row::constructor: zeroing memory");
+    arrayops::fill_zeros(Mat<eT>::memptr(), Mat<eT>::n_elem);
+    }
+  }
+
+
+
+//! internal use only
+template<typename eT>
+template<bool do_zeros>
+inline
+Row<eT>::Row(const uword in_n_rows, const uword in_n_cols, const arma_initmode_indicator<do_zeros>&)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(in_n_rows, in_n_cols);
+  
+  if(do_zeros)
+    {
+    arma_extra_debug_print("Row::constructor: zeroing memory");
+    arrayops::fill_zeros(Mat<eT>::memptr(), Mat<eT>::n_elem);
+    }
+  }
+
+
+
+//! internal use only
+template<typename eT>
+template<bool do_zeros>
+inline
+Row<eT>::Row(const SizeMat& s, const arma_initmode_indicator<do_zeros>&)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(s.n_rows, s.n_cols);
+  
+  if(do_zeros)
+    {
+    arma_extra_debug_print("Row::constructor: zeroing memory");
+    arrayops::fill_zeros(Mat<eT>::memptr(), Mat<eT>::n_elem);
+    }
+  }
+
+
+
+template<typename eT>
+template<typename fill_type>
+inline
+Row<eT>::Row(const uword in_n_elem, const fill::fill_class<fill_type>& f)
+  : Mat<eT>(arma_vec_indicator(), 1, in_n_elem, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  (*this).fill(f);
+  }
+
+
+
+template<typename eT>
+template<typename fill_type>
+inline
+Row<eT>::Row(const uword in_n_rows, const uword in_n_cols, const fill::fill_class<fill_type>& f)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(in_n_rows, in_n_cols);
+  
+  (*this).fill(f);
+  }
+
+
+
+template<typename eT>
+template<typename fill_type>
+inline
+Row<eT>::Row(const SizeMat& s, const fill::fill_class<fill_type>& f)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(s.n_rows, s.n_cols);
+  
+  (*this).fill(f);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const uword in_n_elem, const fill::scalar_holder<eT> f)
+  : Mat<eT>(arma_vec_indicator(), 1, in_n_elem, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  (*this).fill(f.scalar);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const uword in_n_rows, const uword in_n_cols, const fill::scalar_holder<eT> f)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(in_n_rows, in_n_cols);
+  
+  (*this).fill(f.scalar);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const SizeMat& s, const fill::scalar_holder<eT> f)
+  : Mat<eT>(arma_vec_indicator(), 0, 0, 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::init_warm(s.n_rows, s.n_cols);
+  
+  (*this).fill(f.scalar);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const char* text)
+  : Mat<eT>(arma_vec_indicator(), 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  (*this).operator=(text);
+  }
+  
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const char* text)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> tmp(text);
+  
+  arma_debug_check( ((tmp.n_elem > 0) && (tmp.is_vec() == false)), "Mat::init(): requested size is not compatible with row vector layout" );
+  
+  access::rw(tmp.n_rows) = 1;
+  access::rw(tmp.n_cols) = tmp.n_elem;
+  
+  (*this).steal_mem(tmp);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const std::string& text)
+  : Mat<eT>(arma_vec_indicator(), 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  (*this).operator=(text);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const std::string& text)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> tmp(text);
+  
+  arma_debug_check( ((tmp.n_elem > 0) && (tmp.is_vec() == false)), "Mat::init(): requested size is not compatible with row vector layout" );
+  
+  access::rw(tmp.n_rows) = 1;
+  access::rw(tmp.n_cols) = tmp.n_elem;
+  
+  (*this).steal_mem(tmp);
+  
+  return *this;
+  }
+
+
+
+//! create a row vector from std::vector
+template<typename eT>
+inline
+Row<eT>::Row(const std::vector<eT>& x)
+  : Mat<eT>(arma_vec_indicator(), 1, uword(x.size()), 2)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  const uword N = uword(x.size());
+  
+  if(N > 0)  { arrayops::copy( Mat<eT>::memptr(), &(x[0]), N ); }
+  }
+  
+  
+  
+//! create a row vector from std::vector
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const std::vector<eT>& x)
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword N = uword(x.size());
+  
+  Mat<eT>::init_warm(1, N);
+  
+  if(N > 0)  { arrayops::copy( Mat<eT>::memptr(), &(x[0]), N ); }
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const std::initializer_list<eT>& list)
+  : Mat<eT>(arma_vec_indicator(), 1, uword(list.size()), 2)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  const uword N = uword(list.size());
+  
+  if(N > 0)  { arrayops::copy( Mat<eT>::memptr(), list.begin(), N ); }
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const std::initializer_list<eT>& list)
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword N = uword(list.size());
+  
+  Mat<eT>::init_warm(1, N);
+  
+  if(N > 0)  { arrayops::copy( Mat<eT>::memptr(), list.begin(), N ); }
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(Row<eT>&& X)
+  : Mat<eT>(arma_vec_indicator(), 2)
+  {
+  arma_extra_debug_sigprint(arma_str::format("this = %x   X = %x") % this % &X);
+  
+  access::rw(Mat<eT>::n_rows)  = 1;
+  access::rw(Mat<eT>::n_cols)  = X.n_cols;
+  access::rw(Mat<eT>::n_elem)  = X.n_elem;
+  access::rw(Mat<eT>::n_alloc) = X.n_alloc;
+  
+  if( (X.n_alloc > arma_config::mat_prealloc) || (X.mem_state == 1) || (X.mem_state == 2) )
+    {
+    access::rw(Mat<eT>::mem_state) = X.mem_state;
+    access::rw(Mat<eT>::mem)       = X.mem;
+    
+    access::rw(X.n_rows)    = 1;
+    access::rw(X.n_cols)    = 0;
+    access::rw(X.n_elem)    = 0;
+    access::rw(X.n_alloc)   = 0;
+    access::rw(X.mem_state) = 0;
+    access::rw(X.mem)       = nullptr;
+    }
+  else  // condition: (X.n_alloc <= arma_config::mat_prealloc) || (X.mem_state == 0) || (X.mem_state == 3)
+    {
+    (*this).init_cold();
+    
+    arrayops::copy( (*this).memptr(), X.mem, X.n_elem );
+    
+    if( (X.mem_state == 0) && (X.n_alloc <= arma_config::mat_prealloc) )
+      {
+      access::rw(X.n_rows)  = 1;
+      access::rw(X.n_cols)  = 0;
+      access::rw(X.n_elem)  = 0;
+      access::rw(X.mem)     = nullptr;
+      }
+    }
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(Row<eT>&& X)
+  {
+  arma_extra_debug_sigprint(arma_str::format("this = %x   X = %x") % this % &X);
+  
+  (*this).steal_mem(X, true);
+  
+  return *this;
+  }
+
+
+
+// template<typename eT>
+// inline
+// Row<eT>::Row(Mat<eT>&& X)
+//   : Mat<eT>(arma_vec_indicator(), 2)
+//   {
+//   arma_extra_debug_sigprint(arma_str::format("this = %x   X = %x") % this % &X);
+//   
+//   if(X.n_rows != 1)  { const Mat<eT>& XX = X; Mat<eT>::operator=(XX); return; }
+//   
+//   access::rw(Mat<eT>::n_rows)  = 1;
+//   access::rw(Mat<eT>::n_cols)  = X.n_cols;
+//   access::rw(Mat<eT>::n_elem)  = X.n_elem;
+//   access::rw(Mat<eT>::n_alloc) = X.n_alloc;
+//   
+//   if( (X.n_alloc > arma_config::mat_prealloc) || (X.mem_state == 1) || (X.mem_state == 2) )
+//     {
+//     access::rw(Mat<eT>::mem_state) = X.mem_state;
+//     access::rw(Mat<eT>::mem)       = X.mem;
+//     
+//     access::rw(X.n_cols)    = 0;
+//     access::rw(X.n_elem)    = 0;
+//     access::rw(X.n_alloc)   = 0;
+//     access::rw(X.mem_state) = 0;
+//     access::rw(X.mem)       = nullptr;
+//     }
+//   else  // condition: (X.n_alloc <= arma_config::mat_prealloc) || (X.mem_state == 0) || (X.mem_state == 3)
+//     {
+//     (*this).init_cold();
+//     
+//     arrayops::copy( (*this).memptr(), X.mem, X.n_elem );
+//     
+//     if( (X.mem_state == 0) && (X.n_alloc <= arma_config::mat_prealloc) )
+//       {
+//       access::rw(X.n_cols)  = 0;
+//       access::rw(X.n_elem)  = 0;
+//       access::rw(X.mem)     = nullptr;
+//       }
+//     }
+//   }
+// 
+// 
+// 
+// template<typename eT>
+// inline
+// Row<eT>&
+// Row<eT>::operator=(Mat<eT>&& X)
+//   {
+//   arma_extra_debug_sigprint(arma_str::format("this = %x   X = %x") % this % &X);
+//   
+//   if(X.n_rows != 1)  { const Mat<eT>& XX = X; Mat<eT>::operator=(XX); return *this; }
+//   
+//   (*this).steal_mem(X, true);
+//   
+//   return *this;
+//   }
+
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const eT val)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(val);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const Row<eT>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>::Row(const Base<eT,T1>& X)
+  : Mat<eT>(arma_vec_indicator(), 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X.get_ref());
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>&
+Row<eT>::operator=(const Base<eT,T1>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X.get_ref());
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>::Row(const SpBase<eT,T1>& X)
+  : Mat<eT>(arma_vec_indicator(), 2)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X.get_ref());
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>&
+Row<eT>::operator=(const SpBase<eT,T1>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X.get_ref());
+  
+  return *this;
+  }
+
+
+
+//! construct a row vector from a given auxiliary array
+template<typename eT>
+inline
+Row<eT>::Row(eT* aux_mem, const uword aux_length, const bool copy_aux_mem, const bool strict)
+  : Mat<eT>(aux_mem, 1, aux_length, copy_aux_mem, strict)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  }
+
+
+
+//! construct a row vector from a given auxiliary array
+template<typename eT>
+inline
+Row<eT>::Row(const eT* aux_mem, const uword aux_length)
+  : Mat<eT>(aux_mem, 1, aux_length)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  }
+
+
+
+template<typename eT>
+template<typename T1, typename T2>
+inline
+Row<eT>::Row
+  (
+  const Base<typename Row<eT>::pod_type, T1>& A,
+  const Base<typename Row<eT>::pod_type, T2>& B
+  )
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::init(A,B);
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>::Row(const BaseCube<eT,T1>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::operator=(X);
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>&
+Row<eT>::operator=(const BaseCube<eT,T1>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const subview_cube<eT>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::operator=(X);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>&
+Row<eT>::operator=(const subview_cube<eT>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(X);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+mat_injector< Row<eT> >
+Row<eT>::operator<<(const eT val)
+  {
+  return mat_injector< Row<eT> >(*this, val);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const Op<Row<eT>,op_htrans>
+Row<eT>::t() const
+  {
+  return Op<Row<eT>,op_htrans>(*this);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const Op<Row<eT>,op_htrans>
+Row<eT>::ht() const
+  {
+  return Op<Row<eT>,op_htrans>(*this);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const Op<Row<eT>,op_strans>
+Row<eT>::st() const
+  {
+  return Op<Row<eT>,op_strans>(*this);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const Op<Row<eT>,op_strans>
+Row<eT>::as_col() const
+  {
+  return Op<Row<eT>,op_strans>(*this);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::col(const uword in_col1)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (in_col1 >= Mat<eT>::n_cols), "Row::col(): indices out of bounds or incorrectly used" );
+  
+  return subview_row<eT>(*this, 0, in_col1, 1);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::col(const uword in_col1) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (in_col1 >= Mat<eT>::n_cols), "Row::col(): indices out of bounds or incorrectly used" );
+  
+  return subview_row<eT>(*this, 0, in_col1, 1);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::cols(const uword in_col1, const uword in_col2)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( ( (in_col1 > in_col2) || (in_col2 >= Mat<eT>::n_cols) ), "Row::cols(): indices out of bounds or incorrectly used" );
+  
+  const uword subview_n_cols = in_col2 - in_col1 + 1;
+  
+  return subview_row<eT>(*this, 0, in_col1, subview_n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::cols(const uword in_col1, const uword in_col2) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( ( (in_col1 > in_col2) || (in_col2 >= Mat<eT>::n_cols) ), "Row::cols(): indices out of bounds or incorrectly used" );
+  
+  const uword subview_n_cols = in_col2 - in_col1 + 1;
+  
+  return subview_row<eT>(*this, 0, in_col1, subview_n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::subvec(const uword in_col1, const uword in_col2)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( ( (in_col1 > in_col2) || (in_col2 >= Mat<eT>::n_cols) ), "Row::subvec(): indices out of bounds or incorrectly used" );
+  
+  const uword subview_n_cols = in_col2 - in_col1 + 1;
+  
+  return subview_row<eT>(*this, 0, in_col1, subview_n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::subvec(const uword in_col1, const uword in_col2) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( ( (in_col1 > in_col2) || (in_col2 >= Mat<eT>::n_cols) ), "Row::subvec(): indices out of bounds or incorrectly used" );
+  
+  const uword subview_n_cols = in_col2 - in_col1 + 1;
+  
+  return subview_row<eT>(*this, 0, in_col1, subview_n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::cols(const span& col_span)
+  {
+  arma_extra_debug_sigprint();
+  
+  return subvec(col_span);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::cols(const span& col_span) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return subvec(col_span);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::subvec(const span& col_span)
+  {
+  arma_extra_debug_sigprint();
+  
+  const bool col_all = col_span.whole;
+
+  const uword local_n_cols = Mat<eT>::n_cols;
+  
+  const uword in_col1       = col_all ? 0            : col_span.a;
+  const uword in_col2       =                          col_span.b;
+  const uword subvec_n_cols = col_all ? local_n_cols : in_col2 - in_col1 + 1;
+
+  arma_debug_check_bounds( ( col_all ? false : ((in_col1 > in_col2) || (in_col2 >= local_n_cols)) ), "Row::subvec(): indices out of bounds or incorrectly used" );
+  
+  return subview_row<eT>(*this, 0, in_col1, subvec_n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::subvec(const span& col_span) const
+  {
+  arma_extra_debug_sigprint();
+  
+  const bool col_all = col_span.whole;
+
+  const uword local_n_cols = Mat<eT>::n_cols;
+  
+  const uword in_col1       = col_all ? 0            : col_span.a;
+  const uword in_col2       =                          col_span.b;
+  const uword subvec_n_cols = col_all ? local_n_cols : in_col2 - in_col1 + 1;
+
+  arma_debug_check_bounds( ( col_all ? false : ((in_col1 > in_col2) || (in_col2 >= local_n_cols)) ), "Row::subvec(): indices out of bounds or incorrectly used" );
+  
+  return subview_row<eT>(*this, 0, in_col1, subvec_n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::operator()(const span& col_span)
+  {
+  arma_extra_debug_sigprint();
+  
+  return subvec(col_span);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::operator()(const span& col_span) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return subvec(col_span);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::subvec(const uword start_col, const SizeMat& s)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check( (s.n_rows != 1), "Row::subvec(): given size does not specify a row vector" );
+  
+  arma_debug_check_bounds( ( (start_col >= Mat<eT>::n_cols) || ((start_col + s.n_cols) > Mat<eT>::n_cols) ), "Row::subvec(): size out of bounds" );
+  
+  return subview_row<eT>(*this, 0, start_col, s.n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::subvec(const uword start_col, const SizeMat& s) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check( (s.n_rows != 1), "Row::subvec(): given size does not specify a row vector" );
+  
+  arma_debug_check_bounds( ( (start_col >= Mat<eT>::n_cols) || ((start_col + s.n_cols) > Mat<eT>::n_cols) ), "Row::subvec(): size out of bounds" );
+  
+  return subview_row<eT>(*this, 0, start_col, s.n_cols);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::head(const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (N > Mat<eT>::n_cols), "Row::head(): size out of bounds" );
+  
+  return subview_row<eT>(*this, 0, 0, N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::head(const uword N) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (N > Mat<eT>::n_cols), "Row::head(): size out of bounds" );
+  
+  return subview_row<eT>(*this, 0, 0, N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::tail(const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (N > Mat<eT>::n_cols), "Row::tail(): size out of bounds" );
+  
+  const uword start_col = Mat<eT>::n_cols - N;
+  
+  return subview_row<eT>(*this, 0, start_col, N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::tail(const uword N) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (N > Mat<eT>::n_cols), "Row::tail(): size out of bounds" );
+  
+  const uword start_col = Mat<eT>::n_cols - N;
+  
+  return subview_row<eT>(*this, 0, start_col, N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::head_cols(const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  return (*this).head(N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::head_cols(const uword N) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return (*this).head(N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+subview_row<eT>
+Row<eT>::tail_cols(const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  return (*this).tail(N);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const subview_row<eT>
+Row<eT>::tail_cols(const uword N) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return (*this).tail(N);
+  }
+
+
+
+//! remove specified columns
+template<typename eT>
+inline
+void
+Row<eT>::shed_col(const uword col_num)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( col_num >= Mat<eT>::n_cols, "Row::shed_col(): index out of bounds" );
+  
+  shed_cols(col_num, col_num);
+  }
+
+
+
+//! remove specified columns
+template<typename eT>
+inline
+void
+Row<eT>::shed_cols(const uword in_col1, const uword in_col2)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds
+    (
+    (in_col1 > in_col2) || (in_col2 >= Mat<eT>::n_cols),
+    "Row::shed_cols(): indices out of bounds or incorrectly used"
+    );
+  
+  const uword n_keep_front = in_col1;
+  const uword n_keep_back  = Mat<eT>::n_cols - (in_col2 + 1);
+  
+  Row<eT> X(n_keep_front + n_keep_back, arma_nozeros_indicator());
+  
+        eT* X_mem = X.memptr();
+  const eT* t_mem = (*this).memptr();
+  
+  if(n_keep_front > 0)
+    {
+    arrayops::copy( X_mem, t_mem, n_keep_front );
+    }
+  
+  if(n_keep_back > 0)
+    {
+    arrayops::copy( &(X_mem[n_keep_front]), &(t_mem[in_col2+1]), n_keep_back);
+    }
+  
+  Mat<eT>::steal_mem(X);
+  }
+
+
+
+//! remove specified columns
+template<typename eT>
+template<typename T1>
+inline
+void
+Row<eT>::shed_cols(const Base<uword, T1>& indices)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::shed_cols(indices);
+  }
+
+
+
+template<typename eT>
+inline
+void
+Row<eT>::insert_cols(const uword col_num, const uword N, const bool set_to_zero)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_ignore(set_to_zero);
+  
+  (*this).insert_cols(col_num, N);
+  }
+
+
+
+template<typename eT>
+inline
+void
+Row<eT>::insert_cols(const uword col_num, const uword N)
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword t_n_cols = Mat<eT>::n_cols;
+  
+  const uword A_n_cols = col_num;
+  const uword B_n_cols = t_n_cols - col_num;
+  
+  // insertion at col_num == n_cols is in effect an append operation
+  arma_debug_check_bounds( (col_num > t_n_cols), "Row::insert_cols(): index out of bounds" );
+  
+  if(N == 0)  { return; }
+  
+  Row<eT> out(t_n_cols + N, arma_nozeros_indicator());
+  
+        eT* out_mem = out.memptr();
+  const eT*   t_mem = (*this).memptr();
+  
+  if(A_n_cols > 0)
+    {
+    arrayops::copy( out_mem, t_mem, A_n_cols );
+    }
+  
+  if(B_n_cols > 0)
+    {
+    arrayops::copy( &(out_mem[col_num + N]), &(t_mem[col_num]), B_n_cols );
+    }
+  
+  arrayops::fill_zeros( &(out_mem[col_num]), N );
+  
+  Mat<eT>::steal_mem(out);
+  }
+
+
+
+//! insert the given object at the specified col position; 
+//! the given object must have one row
+template<typename eT>
+template<typename T1>
+inline
+void
+Row<eT>::insert_cols(const uword col_num, const Base<eT,T1>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::insert_cols(col_num, X);
+  }
+
+
+
+template<typename eT>
+arma_inline
+eT&
+Row<eT>::at(const uword i)
+  {
+  return access::rw(Mat<eT>::mem[i]);
+  }
+
+
+
+template<typename eT>
+arma_inline
+const eT&
+Row<eT>::at(const uword i) const
+  {
+  return Mat<eT>::mem[i];
+  }
+
+
+
+template<typename eT>
+arma_inline
+eT&
+Row<eT>::at(const uword, const uword in_col)
+  {
+  return access::rw( Mat<eT>::mem[in_col] );
+  }
+
+
+
+template<typename eT>
+arma_inline
+const eT&
+Row<eT>::at(const uword, const uword in_col) const
+  {
+  return Mat<eT>::mem[in_col];
+  }
+
+
+
+template<typename eT>
+inline
+typename Row<eT>::row_iterator
+Row<eT>::begin_row(const uword row_num)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (row_num >= Mat<eT>::n_rows), "Row::begin_row(): index out of bounds" );
+  
+  return Mat<eT>::memptr();
+  }
+
+
+
+template<typename eT>
+inline
+typename Row<eT>::const_row_iterator
+Row<eT>::begin_row(const uword row_num) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (row_num >= Mat<eT>::n_rows), "Row::begin_row(): index out of bounds" );
+  
+  return Mat<eT>::memptr();
+  }
+
+
+
+template<typename eT>
+inline
+typename Row<eT>::row_iterator
+Row<eT>::end_row(const uword row_num)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (row_num >= Mat<eT>::n_rows), "Row::end_row(): index out of bounds" );
+  
+  return Mat<eT>::memptr() + Mat<eT>::n_cols;
+  }
+
+
+
+template<typename eT>
+inline
+typename Row<eT>::const_row_iterator
+Row<eT>::end_row(const uword row_num) const
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check_bounds( (row_num >= Mat<eT>::n_rows), "Row::end_row(): index out of bounds" );
+  
+  return Mat<eT>::memptr() + Mat<eT>::n_cols;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+Row<eT>::fixed<fixed_n_elem>::fixed()
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  if(arma_config::zero_init)
+    {
+    arma_extra_debug_print("Row::fixed::constructor: zeroing memory");
+    
+    eT* mem_use = (use_extra) ? &(mem_local_extra[0]) : &(Mat<eT>::mem_local[0]);
+    
+    arrayops::inplace_set_fixed<eT,fixed_n_elem>( mem_use, eT(0) );
+    }
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const fixed<fixed_n_elem>& X)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+        eT* dest = (use_extra) ?   mem_local_extra : Mat<eT>::mem_local;
+  const eT* src  = (use_extra) ? X.mem_local_extra :        X.mem_local;
+  
+  arrayops::copy( dest, src, fixed_n_elem );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const subview_cube<eT>& X)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  Row<eT>::operator=(X);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const fill::scalar_holder<eT> f)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  (*this).fill(f.scalar);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+template<typename fill_type>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const fill::fill_class<fill_type>&)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  if(is_same_type<fill_type, fill::fill_zeros>::yes)  { (*this).zeros(); }
+  if(is_same_type<fill_type, fill::fill_ones >::yes)  { (*this).ones();  }
+  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { (*this).eye();   }
+  if(is_same_type<fill_type, fill::fill_randu>::yes)  { (*this).randu(); }
+  if(is_same_type<fill_type, fill::fill_randn>::yes)  { (*this).randn(); }
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+template<typename T1>
+arma_inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const Base<eT,T1>& A)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  Row<eT>::operator=(A.get_ref());
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+template<typename T1, typename T2>
+arma_inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const Base<pod_type,T1>& A, const Base<pod_type,T2>& B)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  Row<eT>::init(A,B);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const eT* aux_mem)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  eT* dest = (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+  
+  arrayops::copy( dest, aux_mem, fixed_n_elem );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const char* text)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  Row<eT>::operator=(text);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const std::string& text)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  Row<eT>::operator=(text);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+template<typename T1>
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const Base<eT,T1>& A)
+  {
+  arma_extra_debug_sigprint();
+  
+  Row<eT>::operator=(A.get_ref());
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const eT val)
+  {
+  arma_extra_debug_sigprint();
+  
+  Row<eT>::operator=(val);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const char* text)
+  {
+  arma_extra_debug_sigprint();
+  
+  Row<eT>::operator=(text);
+  
+  return *this; 
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const std::string& text)
+  {
+  arma_extra_debug_sigprint();
+  
+  Row<eT>::operator=(text);
+  
+  return *this; 
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const subview_cube<eT>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  Row<eT>::operator=(X);
+  
+  return *this; 
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const std::initializer_list<eT>& list)
+  : Row<eT>( arma_fixed_indicator(), fixed_n_elem, ((use_extra) ? mem_local_extra : Mat<eT>::mem_local) )
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  (*this).operator=(list);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const std::initializer_list<eT>& list)
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword N = uword(list.size());
+  
+  arma_debug_check( (N > fixed_n_elem), "Row::fixed: initialiser list is too long" );
+  
+  eT* this_mem = (*this).memptr();
+  
+  arrayops::copy( this_mem, list.begin(), N );
+  
+  for(uword iq=N; iq < fixed_n_elem; ++iq) { this_mem[iq] = eT(0); }
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::operator=(const fixed<fixed_n_elem>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  if(this != &X)
+    {
+          eT* dest = (use_extra) ?   mem_local_extra : Mat<eT>::mem_local;
+    const eT* src  = (use_extra) ? X.mem_local_extra :        X.mem_local;
+    
+    arrayops::copy( dest, src, fixed_n_elem );
+    }
+  
+  return *this;
+  }
+
+
+
+#if defined(ARMA_GOOD_COMPILER)
+  
+  template<typename eT>
+  template<uword fixed_n_elem>
+  template<typename T1, typename eop_type>
+  inline
+  Row<eT>&
+  Row<eT>::fixed<fixed_n_elem>::operator=(const eOp<T1, eop_type>& X)
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_type_check(( is_same_type< eT, typename T1::elem_type >::no ));
+    
+    const bool bad_alias = (eOp<T1, eop_type>::proxy_type::has_subview  &&  X.P.is_alias(*this));
+    
+    if(bad_alias == false)
+      {
+      arma_debug_assert_same_size(uword(1), fixed_n_elem, X.get_n_rows(), X.get_n_cols(), "Row::fixed::operator=");
+      
+      eop_type::apply(*this, X);
+      }
+    else
+      {
+      arma_extra_debug_print("bad_alias = true");
+      
+      Row<eT> tmp(X);
+      
+      (*this) = tmp;
+      }
+    
+    return *this;
+    }
+  
+  
+  
+  template<typename eT>
+  template<uword fixed_n_elem>
+  template<typename T1, typename T2, typename eglue_type>
+  inline
+  Row<eT>&
+  Row<eT>::fixed<fixed_n_elem>::operator=(const eGlue<T1, T2, eglue_type>& X)
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_type_check(( is_same_type< eT, typename T1::elem_type >::no ));
+    arma_type_check(( is_same_type< eT, typename T2::elem_type >::no ));
+    
+    const bool bad_alias =
+      (
+      (eGlue<T1, T2, eglue_type>::proxy1_type::has_subview  &&  X.P1.is_alias(*this))
+      ||
+      (eGlue<T1, T2, eglue_type>::proxy2_type::has_subview  &&  X.P2.is_alias(*this))
+      );
+    
+    if(bad_alias == false)
+      {
+      arma_debug_assert_same_size(uword(1), fixed_n_elem, X.get_n_rows(), X.get_n_cols(), "Row::fixed::operator=");
+      
+      eglue_type::apply(*this, X);
+      }
+    else
+      {
+      arma_extra_debug_print("bad_alias = true");
+      
+      Row<eT> tmp(X);
+      
+      (*this) = tmp;
+      }
+    
+    return *this;
+    }
+  
+#endif
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const Op< typename Row<eT>::template fixed<fixed_n_elem>::Row_fixed_type, op_htrans >
+Row<eT>::fixed<fixed_n_elem>::t() const
+  {
+  return Op< typename Row<eT>::template fixed<fixed_n_elem>::Row_fixed_type, op_htrans >(*this);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const Op< typename Row<eT>::template fixed<fixed_n_elem>::Row_fixed_type, op_htrans >
+Row<eT>::fixed<fixed_n_elem>::ht() const
+  {
+  return Op< typename Row<eT>::template fixed<fixed_n_elem>::Row_fixed_type, op_htrans >(*this);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const Op< typename Row<eT>::template fixed<fixed_n_elem>::Row_fixed_type, op_strans >
+Row<eT>::fixed<fixed_n_elem>::st() const
+  {
+  return Op< typename Row<eT>::template fixed<fixed_n_elem>::Row_fixed_type, op_strans >(*this);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT&
+Row<eT>::fixed<fixed_n_elem>::at_alt(const uword ii) const
+  {
+  #if defined(ARMA_HAVE_ALIGNED_ATTRIBUTE)
+  
+    return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+    
+  #else
+    const eT* mem_aligned = (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+    
+    memory::mark_as_aligned(mem_aligned);
+    
+    return mem_aligned[ii];
+  #endif
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+eT&
+Row<eT>::fixed<fixed_n_elem>::operator[] (const uword ii)
+  {
+  return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT&
+Row<eT>::fixed<fixed_n_elem>::operator[] (const uword ii) const
+  {
+  return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+eT&
+Row<eT>::fixed<fixed_n_elem>::at(const uword ii)
+  {
+  return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT&
+Row<eT>::fixed<fixed_n_elem>::at(const uword ii) const
+  {
+  return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+eT&
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword ii)
+  {
+  arma_debug_check_bounds( (ii >= fixed_n_elem), "Row::operator(): index out of bounds" );
+  
+  return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT&
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword ii) const
+  {
+  arma_debug_check_bounds( (ii >= fixed_n_elem), "Row::operator(): index out of bounds" );
+  
+  return (use_extra) ? mem_local_extra[ii] : Mat<eT>::mem_local[ii];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+eT&
+Row<eT>::fixed<fixed_n_elem>::at(const uword, const uword in_col)
+  {
+  return (use_extra) ? mem_local_extra[in_col] : Mat<eT>::mem_local[in_col];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT&
+Row<eT>::fixed<fixed_n_elem>::at(const uword, const uword in_col) const
+  {
+  return (use_extra) ? mem_local_extra[in_col] : Mat<eT>::mem_local[in_col];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+eT&
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword in_row, const uword in_col)
+  {
+  arma_debug_check_bounds( ((in_row > 0) || (in_col >= fixed_n_elem)), "Row::operator(): index out of bounds" );
+  
+  return (use_extra) ? mem_local_extra[in_col] : Mat<eT>::mem_local[in_col];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT&
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword in_row, const uword in_col) const
+  {
+  arma_debug_check_bounds( ((in_row > 0) || (in_col >= fixed_n_elem)), "Row::operator(): index out of bounds" );
+  
+  return (use_extra) ? mem_local_extra[in_col] : Mat<eT>::mem_local[in_col];
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+eT*
+Row<eT>::fixed<fixed_n_elem>::memptr()
+  {
+  return (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+const eT*
+Row<eT>::fixed<fixed_n_elem>::memptr() const
+  {
+  return (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+const Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::fill(const eT val)
+  {
+  arma_extra_debug_sigprint();
+  
+  eT* mem_use = (use_extra) ? &(mem_local_extra[0]) : &(Mat<eT>::mem_local[0]);
+  
+  arrayops::inplace_set_fixed<eT,fixed_n_elem>( mem_use, val );
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+const Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::zeros()
+  {
+  arma_extra_debug_sigprint();
+  
+  eT* mem_use = (use_extra) ? &(mem_local_extra[0]) : &(Mat<eT>::mem_local[0]);
+  
+  arrayops::inplace_set_fixed<eT,fixed_n_elem>( mem_use, eT(0) );
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+const Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::ones()
+  {
+  arma_extra_debug_sigprint();
+  
+  eT* mem_use = (use_extra) ? &(mem_local_extra[0]) : &(Mat<eT>::mem_local[0]);
+  
+  arrayops::inplace_set_fixed<eT,fixed_n_elem>( mem_use, eT(1) );
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const arma_fixed_indicator&, const uword in_n_elem, const eT* in_mem)
+  : Mat<eT>(arma_fixed_indicator(), 1, in_n_elem, 2, in_mem)
+  {
+  arma_extra_debug_sigprint_this(this);
+  }
+
+
+
+#if defined(ARMA_EXTRA_ROW_MEAT)
+  #include ARMA_INCFILE_WRAP(ARMA_EXTRA_ROW_MEAT)
+#endif
+
+
+
+//! @}