From eda5bc26f44ee9a6f83dcf8c91f17296d7fc509d Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Mon, 12 Feb 2024 14:52:43 +0100
Subject: Move into version control

---
 src/armadillo/include/armadillo_bits/fn_join.hpp | 502 +++++++++++++++++++++++
 1 file changed, 502 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/fn_join.hpp

(limited to 'src/armadillo/include/armadillo_bits/fn_join.hpp')

diff --git a/src/armadillo/include/armadillo_bits/fn_join.hpp b/src/armadillo/include/armadillo_bits/fn_join.hpp
new file mode 100644
index 0000000..6d3ed07
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/fn_join.hpp
@@ -0,0 +1,502 @@
+// 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 fn_join
+//! @{
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
+  const Glue<T1, T2, glue_join_cols>
+  >::result
+join_cols(const T1& A, const T2& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Glue<T1, T2, glue_join_cols>(A, B);
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+Mat<eT>
+join_cols(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+Mat<eT>
+join_cols(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C, const Base<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
+  const Glue<T1, T2, glue_join_cols>
+  >::result
+join_vert(const T1& A, const T2& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Glue<T1, T2, glue_join_cols>(A, B);
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+Mat<eT>
+join_vert(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+Mat<eT>
+join_vert(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C, const Base<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
+  const Glue<T1, T2, glue_join_rows>
+  >::result
+join_rows(const T1& A, const T2& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Glue<T1, T2, glue_join_rows>(A, B);
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+Mat<eT>
+join_rows(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+Mat<eT>
+join_rows(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C, const Base<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+typename
+enable_if2
+  <
+  (is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value),
+  const Glue<T1, T2, glue_join_rows>
+  >::result
+join_horiz(const T1& A, const T2& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return Glue<T1, T2, glue_join_rows>(A, B);
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+Mat<eT>
+join_horiz(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+Mat<eT>
+join_horiz(const Base<eT,T1>& A, const Base<eT,T2>& B, const Base<eT,T3>& C, const Base<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  Mat<eT> out;
+  
+  glue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+//
+// for cubes
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+const GlueCube<T1, T2, glue_join_slices>
+join_slices(const BaseCube<typename T1::elem_type,T1>& A, const BaseCube<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return GlueCube<T1, T2, glue_join_slices>(A.get_ref(), B.get_ref());
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+Cube<typename T1::elem_type>
+join_slices(const Base<typename T1::elem_type,T1>& A, const Base<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const quasi_unwrap<T1> UA(A.get_ref());
+  const quasi_unwrap<T2> UB(B.get_ref());
+  
+  arma_debug_assert_same_size(UA.M.n_rows, UA.M.n_cols, UB.M.n_rows, UB.M.n_cols, "join_slices(): incompatible dimensions");
+  
+  Cube<eT> out(UA.M.n_rows, UA.M.n_cols, 2, arma_nozeros_indicator());
+  
+  arrayops::copy(out.slice_memptr(0), UA.M.memptr(), UA.M.n_elem);
+  arrayops::copy(out.slice_memptr(1), UB.M.memptr(), UB.M.n_elem);
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+Cube<typename T1::elem_type>
+join_slices(const Base<typename T1::elem_type,T1>& A, const BaseCube<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const quasi_unwrap<T1> U(A.get_ref());
+  
+  const Cube<eT> M(const_cast<eT*>(U.M.memptr()), U.M.n_rows, U.M.n_cols, 1, false);
+  
+  return join_slices(M,B);
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+Cube<typename T1::elem_type>
+join_slices(const BaseCube<typename T1::elem_type,T1>& A, const Base<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  typedef typename T1::elem_type eT;
+  
+  const quasi_unwrap<T2> U(B.get_ref());
+  
+  const Cube<eT> M(const_cast<eT*>(U.M.memptr()), U.M.n_rows, U.M.n_cols, 1, false);
+  
+  return join_slices(A,M);
+  }
+
+
+
+//
+// for sparse matrices
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+const SpGlue<T1, T2, spglue_join_cols>
+join_cols(const SpBase<typename T1::elem_type,T1>& A, const SpBase<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return SpGlue<T1, T2, spglue_join_cols>(A.get_ref(), B.get_ref());
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+SpMat<eT>
+join_cols(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+SpMat<eT>
+join_cols(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C, const SpBase<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+const SpGlue<T1, T2, spglue_join_cols>
+join_vert(const SpBase<typename T1::elem_type,T1>& A, const SpBase<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return SpGlue<T1, T2, spglue_join_cols>(A.get_ref(), B.get_ref());
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+SpMat<eT>
+join_vert(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+SpMat<eT>
+join_vert(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C, const SpBase<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_cols::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+const SpGlue<T1, T2, spglue_join_rows>
+join_rows(const SpBase<typename T1::elem_type,T1>& A, const SpBase<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return SpGlue<T1, T2, spglue_join_rows>(A.get_ref(), B.get_ref());
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+SpMat<eT>
+join_rows(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+SpMat<eT>
+join_rows(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C, const SpBase<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename T1, typename T2>
+arma_warn_unused
+inline
+const SpGlue<T1, T2, spglue_join_rows>
+join_horiz(const SpBase<typename T1::elem_type,T1>& A, const SpBase<typename T1::elem_type,T2>& B)
+  {
+  arma_extra_debug_sigprint();
+  
+  return SpGlue<T1, T2, spglue_join_rows>(A.get_ref(), B.get_ref());
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3>
+arma_warn_unused
+inline
+SpMat<eT>
+join_horiz(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<typename T1::elem_type> out;
+  
+  spglue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref());
+  
+  return out;
+  }
+
+
+
+template<typename eT, typename T1, typename T2, typename T3, typename T4>
+arma_warn_unused
+inline
+SpMat<eT>
+join_horiz(const SpBase<eT,T1>& A, const SpBase<eT,T2>& B, const SpBase<eT,T3>& C, const SpBase<eT,T4>& D)
+  {
+  arma_extra_debug_sigprint();
+  
+  SpMat<eT> out;
+  
+  spglue_join_rows::apply(out, A.get_ref(), B.get_ref(), C.get_ref(), D.get_ref());
+  
+  return out;
+  }
+
+
+
+//! @}
-- 
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