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diff --git a/src/armadillo/include/armadillo_bits/glue_cross_meat.hpp b/src/armadillo/include/armadillo_bits/glue_cross_meat.hpp
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@@ -0,0 +1,81 @@
+// 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 glue_cross
+//! @{
+
+
+
+template<typename T1, typename T2>
+inline
+void
+glue_cross::apply(Mat<typename T1::elem_type>& out, const Glue<T1, T2, glue_cross>& X)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const Proxy<T1> PA(X.A);
+  const Proxy<T2> PB(X.B);
+  
+  arma_debug_check( ((PA.get_n_elem() != 3) || (PB.get_n_elem() != 3)), "cross(): each vector must have 3 elements" );
+  
+  out.set_size(PA.get_n_rows(), PA.get_n_cols());
+  
+  eT* out_mem = out.memptr();
+  
+  if( (Proxy<T1>::use_at == false) && (Proxy<T2>::use_at == false) )
+    {
+    typename Proxy<T1>::ea_type A = PA.get_ea();
+    typename Proxy<T2>::ea_type B = PB.get_ea();
+    
+    const eT ax = A[0];
+    const eT ay = A[1];
+    const eT az = A[2];
+    
+    const eT bx = B[0];
+    const eT by = B[1];
+    const eT bz = B[2];
+    
+    out_mem[0] = ay*bz - az*by;
+    out_mem[1] = az*bx - ax*bz;
+    out_mem[2] = ax*by - ay*bx;
+    }
+  else
+    {
+    const bool PA_is_col = Proxy<T1>::is_col ? true : (PA.get_n_cols() == 1);
+    const bool PB_is_col = Proxy<T2>::is_col ? true : (PB.get_n_cols() == 1);
+    
+    const eT ax = PA.at(0,0);
+    const eT ay = PA_is_col ? PA.at(1,0) : PA.at(0,1);
+    const eT az = PA_is_col ? PA.at(2,0) : PA.at(0,2);
+    
+    const eT bx = PB.at(0,0);
+    const eT by = PB_is_col ? PB.at(1,0) : PB.at(0,1);
+    const eT bz = PB_is_col ? PB.at(2,0) : PB.at(0,2);
+    
+    out_mem[0] = ay*bz - az*by;
+    out_mem[1] = az*bx - ax*bz;
+    out_mem[2] = ax*by - ay*bx;
+    }
+  }
+
+
+
+//! @}