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diff --git a/src/armadillo/include/armadillo_bits/spop_repmat_meat.hpp b/src/armadillo/include/armadillo_bits/spop_repmat_meat.hpp
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+// 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 spop_repmat
+//! @{
+
+
+
+template<typename T1>
+inline
+void
+spop_repmat::apply(SpMat<typename T1::elem_type>& out, const SpOp<T1,spop_repmat>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const unwrap_spmat<T1> U(X.m);
+  
+  if(U.is_alias(out))
+    {
+    SpMat<eT> tmp;
+    
+    spop_repmat::apply_noalias(tmp, X.aux_uword_a, X.aux_uword_b, U.M);
+    
+    out.steal_mem(tmp);
+    }
+  else
+    {
+    spop_repmat::apply_noalias(out, X.aux_uword_a, X.aux_uword_b, U.M);
+    }
+  }
+
+
+
+template<typename eT>
+inline
+void
+spop_repmat::apply_noalias(SpMat<eT>& out, const uword A_n_rows, const uword A_n_cols, const SpMat<eT>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  const uword B_n_rows = B.n_rows;
+  const uword B_n_cols = B.n_cols;
+  
+  const uword out_n_nonzero = A_n_rows * A_n_cols * B.n_nonzero;
+  
+  out.reserve(A_n_rows * B_n_rows, A_n_cols * B_n_cols, out_n_nonzero);
+  
+  if(out_n_nonzero == 0)  { return; }
+  
+  access::rw(out.col_ptrs[0]) = 0;
+  
+  uword count = 0;
+  
+  for(uword A_col=0; A_col < A_n_cols; ++A_col)
+  for(uword B_col=0; B_col < B_n_cols; ++B_col)
+    {
+    for(uword A_row=0; A_row < A_n_rows; ++A_row)
+      {
+      const uword out_row = A_row * B_n_rows;
+      
+      for(uword B_i = B.col_ptrs[B_col]; B_i < B.col_ptrs[B_col+1]; ++B_i)
+        {
+        access::rw(out.values[count])      = B.values[B_i];
+        access::rw(out.row_indices[count]) = out_row + B.row_indices[B_i];
+        
+        count++;
+        }
+      }
+    
+    access::rw(out.col_ptrs[A_col * B_n_cols + B_col + 1]) = count;
+    }
+  }
+
+
+
+// template<typename T1>
+// inline
+// void
+// spop_repmat::apply(SpMat<typename T1::elem_type>& out, const SpOp<T1, spop_repmat>& in)
+//   {
+//   arma_extra_debug_sigprint();
+//   
+//   typedef typename T1::elem_type eT;
+//   
+//   const unwrap_spmat<T1> U(in.m);
+//   const SpMat<eT>& X =   U.M;
+//   
+//   const uword X_n_rows = X.n_rows;
+//   const uword X_n_cols = X.n_cols;
+//   
+//   const uword copies_per_row = in.aux_uword_a;
+//   const uword copies_per_col = in.aux_uword_b;
+//   
+//   // out.set_size(X_n_rows * copies_per_row, X_n_cols * copies_per_col);
+//   // 
+//   // const uword out_n_rows = out.n_rows;
+//   // const uword out_n_cols = out.n_cols;
+//   // 
+//   // if( (out_n_rows > 0) && (out_n_cols > 0) )
+//   //   {
+//   //   for(uword col = 0; col < out_n_cols; col += X_n_cols)
+//   //   for(uword row = 0; row < out_n_rows; row += X_n_rows)
+//   //     {
+//   //     out.submat(row, col, row+X_n_rows-1, col+X_n_cols-1) = X;
+//   //     }
+//   //   }
+//   
+//   const uword out_n_rows = X_n_rows * copies_per_row;
+//   const uword out_n_cols = X_n_cols * copies_per_col;
+//   const uword out_nnz    = X.n_nonzero * copies_per_row * copies_per_col;
+//   
+//   if( (out_n_rows > 0) && (out_n_cols > 0) && (out_nnz > 0) )
+//     {
+//     umat    locs(2, out_nnz, arma_nozeros_indicator());
+//     Col<eT> vals(   out_nnz, arma_nozeros_indicator());
+//     
+//     uword* locs_mem = locs.memptr();
+//     eT*    vals_mem = vals.memptr();
+//     
+//     typename SpMat<eT>::const_iterator X_begin = X.begin();
+//     typename SpMat<eT>::const_iterator X_end   = X.end();
+//     typename SpMat<eT>::const_iterator X_it;
+//     
+//     for(uword col_offset = 0; col_offset < out_n_cols; col_offset += X_n_cols)
+//     for(uword row_offset = 0; row_offset < out_n_rows; row_offset += X_n_rows)
+//       {
+//       for(X_it = X_begin; X_it != X_end; ++X_it)
+//         {
+//         const uword out_row = row_offset + X_it.row();
+//         const uword out_col = col_offset + X_it.col();
+//         
+//         (*locs_mem) = out_row;  ++locs_mem;
+//         (*locs_mem) = out_col;  ++locs_mem;
+//         
+//         (*vals_mem) = (*X_it);  ++vals_mem;
+//         }
+//       }
+//     
+//     out = SpMat<eT>(locs, vals, out_n_rows, out_n_cols);
+//     }
+//   else
+//     {
+//     out.zeros(out_n_rows, out_n_cols);
+//     }
+//   }
+
+
+
+//! @}