comparison armadillo-2.4.4/include/armadillo_bits/Row_meat.hpp @ 0:8b6102e2a9b0

Armadillo Library

+// Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
+// Copyright (C) 2008-2011 Conrad Sanderson
+// 
+// This file is part of the Armadillo C++ library.
+// It is provided without any warranty of fitness
+// for any purpose. You can redistribute this file
+// and/or modify it under the terms of the GNU
+// Lesser General Public License (LGPL) as published
+// by the Free Software Foundation, either version 3
+// of the License or (at your option) any later version.
+// (see http://www.opensource.org/licenses for more info)
+
+
+//! \addtogroup Row
+//! @{
+
+
+//! construct an empty row vector
+template<typename eT>
+inline
+Row<eT>::Row()
+  : Mat<eT>(1, 0)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const Row<eT>& X)
+  : Mat<eT>(1, X.n_elem)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  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>(1, in_n_elem)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const uword in_n_rows, const uword in_n_cols)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::init_warm(in_n_rows, in_n_cols);
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const char* text)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::operator=(text);
+  }
+  
+
+
+template<typename eT>
+inline
+const Row<eT>&
+Row<eT>::operator=(const char* text)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(text);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+inline
+Row<eT>::Row(const std::string& text)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::operator=(text);
+  }
+
+
+
+template<typename eT>
+inline
+const Row<eT>&
+Row<eT>::operator=(const std::string& text)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(text);
+  
+  return *this;
+  }
+
+
+
+#if defined(ARMA_USE_CXX11)
+
+template<typename eT>
+inline
+Row<eT>::Row(const std::initializer_list<eT>& list)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::operator=(list);
+  }
+
+
+
+template<typename eT>
+inline
+const Row<eT>&
+Row<eT>::operator=(const std::initializer_list<eT>& list)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(list);
+  
+  return *this;
+  }
+
+#endif
+
+
+
+template<typename eT>
+inline
+const Row<eT>&
+Row<eT>::operator=(const eT val)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT>::operator=(val);
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+Row<eT>::Row(const Base<eT,T1>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::vec_state) = 2;
+  
+  Mat<eT>::operator=(X.get_ref());
+  }
+
+
+
+template<typename eT>
+template<typename T1>
+inline
+const Row<eT>&
+Row<eT>::operator=(const Base<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
+const 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
+const 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
+eT&
+Row<eT>::col(const uword col_num)
+  {
+  arma_debug_check( (col_num >= Mat<eT>::n_cols), "Row::col(): out of bounds" );
+  
+  return access::rw(Mat<eT>::mem[col_num]);
+  }
+
+
+
+template<typename eT>
+arma_inline
+eT
+Row<eT>::col(const uword col_num) const
+  {
+  arma_debug_check( (col_num >= Mat<eT>::n_cols), "Row::col(): out of bounds" );
+  
+  return Mat<eT>::mem[col_num];
+  }
+
+
+
+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( ( (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( ( (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( ( (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( ( (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>::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( ( 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( ( 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);
+//   }
+
+
+
+//! remove specified columns
+template<typename eT>
+inline
+void
+Row<eT>::shed_col(const uword col_num)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check( col_num >= Mat<eT>::n_cols, "Row::shed_col(): 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
+    (
+    (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);
+  
+        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);
+  }
+
+
+
+//! insert N cols at the specified col position,
+//! optionally setting the elements of the inserted cols to zero
+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();
+  
+  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( (col_num > t_n_cols), "Row::insert_cols(): out of bounds");
+  
+  if(N > 0)
+    {
+    Row<eT> out(t_n_cols + N);
+    
+          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 );
+      }
+    
+    if(set_to_zero == true)
+      {
+      arrayops::inplace_set( &(out_mem[col_num]), eT(0), 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>
+inline
+typename Row<eT>::row_iterator
+Row<eT>::begin_row(const uword row_num)
+  {
+  arma_extra_debug_sigprint();
+  
+  arma_debug_check( (row_num >= Mat<eT>::n_rows), "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( (row_num >= Mat<eT>::n_rows), "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( (row_num >= Mat<eT>::n_rows), "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( (row_num >= Mat<eT>::n_rows), "end_row(): index out of bounds");
+  
+  return Mat<eT>::memptr() + Mat<eT>::n_cols;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+void
+Row<eT>::fixed<fixed_n_elem>::mem_setup()
+  {
+  arma_extra_debug_sigprint();
+  
+  access::rw(Mat<eT>::n_rows)    = 1;
+  access::rw(Mat<eT>::n_cols)    = fixed_n_elem;
+  access::rw(Mat<eT>::n_elem)    = fixed_n_elem;
+  access::rw(Mat<eT>::vec_state) = 2;
+  access::rw(Mat<eT>::mem_state) = 3;
+  access::rw(Mat<eT>::mem)       = (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed()
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const fixed<fixed_n_elem>& X)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  eT* dest = (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+  
+  arrayops::copy( dest, X.mem, 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)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  Row<eT>::operator=(X);
+  }
+
+
+
+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)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  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)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  Row<eT>::init(A,B);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(eT* aux_mem, const bool copy_aux_mem)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  access::rw(Mat<eT>::n_rows)    = 1;
+  access::rw(Mat<eT>::n_cols)    = fixed_n_elem;
+  access::rw(Mat<eT>::n_elem)    = fixed_n_elem;
+  access::rw(Mat<eT>::vec_state) = 2;
+  access::rw(Mat<eT>::mem_state) = 3;
+  
+  if(copy_aux_mem == true)
+    {
+    eT* dest = (use_extra) ? mem_local_extra : Mat<eT>::mem_local;
+  
+    access::rw(Mat<eT>::mem) = dest;
+    
+    arrayops::copy( dest, aux_mem, fixed_n_elem );
+    }
+  else
+    {
+    access::rw(Mat<eT>::mem) = aux_mem;
+    }
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const eT* aux_mem)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  arrayops::copy( const_cast<eT*>(Mat<eT>::mem), aux_mem, fixed_n_elem );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const char* text)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  Row<eT>::operator=(text);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+Row<eT>::fixed<fixed_n_elem>::fixed(const std::string& text)
+  {
+  arma_extra_debug_sigprint_this(this);
+  
+  mem_setup();
+  
+  Row<eT>::operator=(text);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+subview_row<eT>
+Row<eT>::fixed<fixed_n_elem>::operator()(const uword row_num, const span& col_span)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Mat<eT>::operator()(row_num, col_span);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+template<typename T1>
+const 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>
+const 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>
+const 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>
+const 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>
+const 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
+const subview_row<eT>
+Row<eT>::fixed<fixed_n_elem>::operator()(const uword row_num, const span& col_span) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return Mat<eT>::operator()(row_num, col_span);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+subview_col<eT>
+Row<eT>::fixed<fixed_n_elem>::operator()(const span& row_span, const uword col_num)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Mat<eT>::operator()(row_span, col_num);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+const subview_col<eT>
+Row<eT>::fixed<fixed_n_elem>::operator()(const span& row_span, const uword col_num) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return Mat<eT>::operator()(row_span, col_num);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+subview<eT>
+Row<eT>::fixed<fixed_n_elem>::operator()(const span& row_span, const span& col_span)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Mat<eT>::operator()(row_span, col_span);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+inline
+const subview<eT>
+Row<eT>::fixed<fixed_n_elem>::operator()(const span& row_span, const span& col_span) const
+  {
+  arma_extra_debug_sigprint();
+  
+  return Mat<eT>::operator()(row_span, col_span);
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT&
+Row<eT>::fixed<fixed_n_elem>::operator[] (const uword i)
+  {
+  return access::rw( Mat<eT>::mem[i] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT
+Row<eT>::fixed<fixed_n_elem>::operator[] (const uword i) const
+  {
+  return ( Mat<eT>::mem[i] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT&
+Row<eT>::fixed<fixed_n_elem>::at(const uword i)
+  {
+  return access::rw( Mat<eT>::mem[i] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT
+Row<eT>::fixed<fixed_n_elem>::at(const uword i) const
+  {
+  return ( Mat<eT>::mem[i] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT&
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword i)
+  {
+  arma_debug_check( (i >= fixed_n_elem), "Row::fixed::operator(): out of bounds");
+  
+  return access::rw( Mat<eT>::mem[i] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword i) const
+  {
+  arma_debug_check( (i >= fixed_n_elem), "Row::fixed::operator(): out of bounds");
+  
+  return ( Mat<eT>::mem[i] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT&
+Row<eT>::fixed<fixed_n_elem>::at(const uword in_row, const uword in_col)
+  {
+  return access::rw( Mat<eT>::mem[in_col] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT
+Row<eT>::fixed<fixed_n_elem>::at(const uword in_row, const uword in_col) const
+  {
+  return ( Mat<eT>::mem[in_col] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT&
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword in_row, const uword in_col)
+  {
+  arma_debug_check( ((in_row >= 1) || (in_col >= fixed_n_elem)), "Row::fixed::operator(): out of bounds" );
+  
+  return access::rw( Mat<eT>::mem[in_col] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_inline
+arma_warn_unused
+eT
+Row<eT>::fixed<fixed_n_elem>::operator() (const uword in_row, const uword in_col) const
+  {
+  arma_debug_check( ((in_row >= 1) || (in_col >= fixed_n_elem)), "Row::fixed::operator(): out of bounds" );
+  
+  return ( Mat<eT>::mem[in_col] );
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_hot
+inline
+const Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::fill(const eT val)
+  {
+  arma_extra_debug_sigprint();
+  
+  arrayops::inplace_set( const_cast<eT*>(Mat<eT>::mem), val, fixed_n_elem );
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_hot
+inline
+const Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::zeros()
+  {
+  arma_extra_debug_sigprint();
+  
+  arrayops::inplace_set( const_cast<eT*>(Mat<eT>::mem), eT(0), fixed_n_elem );
+  
+  return *this;
+  }
+
+
+
+template<typename eT>
+template<uword fixed_n_elem>
+arma_hot
+inline
+const Row<eT>&
+Row<eT>::fixed<fixed_n_elem>::ones()
+  {
+  arma_extra_debug_sigprint();
+  
+  arrayops::inplace_set( const_cast<eT*>(Mat<eT>::mem), eT(1), fixed_n_elem );
+  
+  return *this;
+  }
+
+
+
+#ifdef ARMA_EXTRA_ROW_MEAT
+  #include ARMA_INCFILE_WRAP(ARMA_EXTRA_ROW_MEAT)
+#endif
+
+
+
+//! @}