// 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_relational
//! @{

#undef operator_rel
#undef operator_str

#undef arma_applier_mat
#undef arma_applier_cube

#define arma_applier_mat(operator_rel, operator_str)                                    \
  {                                                                                     \
    const Proxy<T1> P1(X.A);                                                            \
    const Proxy<T2> P2(X.B);                                                            \
                                                                                        \
    arma_conform_assert_same_size(P1, P2, operator_str);                                \
                                                                                        \
    const bool bad_alias = (Proxy<T1>::has_subview && P1.is_alias(out)) ||              \
                           (Proxy<T2>::has_subview && P2.is_alias(out));                \
                                                                                        \
    if (bad_alias == false) {                                                           \
      const uword n_rows = P1.get_n_rows();                                             \
      const uword n_cols = P1.get_n_cols();                                             \
                                                                                        \
      out.set_size(n_rows, n_cols);                                                     \
                                                                                        \
      uword* out_mem = out.memptr();                                                    \
                                                                                        \
      constexpr bool use_at = (Proxy<T1>::use_at || Proxy<T2>::use_at);                 \
                                                                                        \
      if (use_at == false) {                                                            \
        typename Proxy<T1>::ea_type A = P1.get_ea();                                    \
        typename Proxy<T2>::ea_type B = P2.get_ea();                                    \
                                                                                        \
        const uword n_elem = out.n_elem;                                                \
                                                                                        \
        for (uword i = 0; i < n_elem; ++i) {                                            \
          out_mem[i] = (A[i] operator_rel B[i]) ? uword(1) : uword(0);                  \
        }                                                                               \
      } else {                                                                          \
        if (n_rows == 1) {                                                              \
          for (uword count = 0; count < n_cols; ++count) {                              \
            out_mem[count] =                                                            \
                (P1.at(0, count) operator_rel P2.at(0, count)) ? uword(1) : uword(0);   \
          }                                                                             \
        } else {                                                                        \
          for (uword col = 0; col < n_cols; ++col)                                      \
            for (uword row = 0; row < n_rows; ++row) {                                  \
              *out_mem =                                                                \
                  (P1.at(row, col) operator_rel P2.at(row, col)) ? uword(1) : uword(0); \
              out_mem++;                                                                \
            }                                                                           \
        }                                                                               \
      }                                                                                 \
    } else {                                                                            \
      const unwrap_check<typename Proxy<T1>::stored_type> tmp1(P1.Q, P1.is_alias(out)); \
      const unwrap_check<typename Proxy<T2>::stored_type> tmp2(P2.Q, P2.is_alias(out)); \
                                                                                        \
      out = (tmp1.M)operator_rel(tmp2.M);                                               \
    }                                                                                   \
  }

#define arma_applier_cube(operator_rel, operator_str)                                 \
  {                                                                                   \
    const ProxyCube<T1> P1(X.A);                                                      \
    const ProxyCube<T2> P2(X.B);                                                      \
                                                                                      \
    arma_conform_assert_same_size(P1, P2, operator_str);                              \
                                                                                      \
    const bool bad_alias = (ProxyCube<T1>::has_subview && P1.is_alias(out)) ||        \
                           (ProxyCube<T2>::has_subview && P2.is_alias(out));          \
                                                                                      \
    if (bad_alias == false) {                                                         \
      const uword n_rows = P1.get_n_rows();                                           \
      const uword n_cols = P1.get_n_cols();                                           \
      const uword n_slices = P1.get_n_slices();                                       \
                                                                                      \
      out.set_size(n_rows, n_cols, n_slices);                                         \
                                                                                      \
      uword* out_mem = out.memptr();                                                  \
                                                                                      \
      constexpr bool use_at = (ProxyCube<T1>::use_at || ProxyCube<T2>::use_at);       \
                                                                                      \
      if (use_at == false) {                                                          \
        typename ProxyCube<T1>::ea_type A = P1.get_ea();                              \
        typename ProxyCube<T2>::ea_type B = P2.get_ea();                              \
                                                                                      \
        const uword n_elem = out.n_elem;                                              \
                                                                                      \
        for (uword i = 0; i < n_elem; ++i) {                                          \
          out_mem[i] = (A[i] operator_rel B[i]) ? uword(1) : uword(0);                \
        }                                                                             \
      } else {                                                                        \
        for (uword slice = 0; slice < n_slices; ++slice)                              \
          for (uword col = 0; col < n_cols; ++col)                                    \
            for (uword row = 0; row < n_rows; ++row) {                                \
              *out_mem = (P1.at(row, col, slice) operator_rel P2.at(row, col, slice)) \
                             ? uword(1)                                               \
                             : uword(0);                                              \
              out_mem++;                                                              \
            }                                                                         \
      }                                                                               \
    } else {                                                                          \
      const unwrap_cube<typename ProxyCube<T1>::stored_type> tmp1(P1.Q);              \
      const unwrap_cube<typename ProxyCube<T2>::stored_type> tmp2(P2.Q);              \
                                                                                      \
      out = (tmp1.M)operator_rel(tmp2.M);                                             \
    }                                                                                 \
  }

template <typename T1, typename T2>
inline void glue_rel_lt::apply(Mat<uword>& out,
                               const mtGlue<uword, T1, T2, glue_rel_lt>& X) {
  arma_debug_sigprint();

  arma_applier_mat(<, "operator<");
}

template <typename T1, typename T2>
inline void glue_rel_gt::apply(Mat<uword>& out,
                               const mtGlue<uword, T1, T2, glue_rel_gt>& X) {
  arma_debug_sigprint();

  arma_applier_mat(>, "operator>");
}

template <typename T1, typename T2>
inline void glue_rel_lteq::apply(Mat<uword>& out,
                                 const mtGlue<uword, T1, T2, glue_rel_lteq>& X) {
  arma_debug_sigprint();

  arma_applier_mat(<=, "operator<=");
}

template <typename T1, typename T2>
inline void glue_rel_gteq::apply(Mat<uword>& out,
                                 const mtGlue<uword, T1, T2, glue_rel_gteq>& X) {
  arma_debug_sigprint();

  arma_applier_mat(>=, "operator>=");
}

template <typename T1, typename T2>
inline void glue_rel_eq::apply(Mat<uword>& out,
                               const mtGlue<uword, T1, T2, glue_rel_eq>& X) {
  arma_debug_sigprint();

  arma_applier_mat(==, "operator==");
}

template <typename T1, typename T2>
inline void glue_rel_noteq::apply(Mat<uword>& out,
                                  const mtGlue<uword, T1, T2, glue_rel_noteq>& X) {
  arma_debug_sigprint();

  arma_applier_mat(!=, "operator!=");
}

template <typename T1, typename T2>
inline void glue_rel_and::apply(Mat<uword>& out,
                                const mtGlue<uword, T1, T2, glue_rel_and>& X) {
  arma_debug_sigprint();

  arma_applier_mat(&&, "operator&&");
}

template <typename T1, typename T2>
inline void glue_rel_or::apply(Mat<uword>& out,
                               const mtGlue<uword, T1, T2, glue_rel_or>& X) {
  arma_debug_sigprint();

  arma_applier_mat(||, "operator||");
}

//
//
//

template <typename T1, typename T2>
inline void glue_rel_lt::apply(Cube<uword>& out,
                               const mtGlueCube<uword, T1, T2, glue_rel_lt>& X) {
  arma_debug_sigprint();

  arma_applier_cube(<, "operator<");
}

template <typename T1, typename T2>
inline void glue_rel_gt::apply(Cube<uword>& out,
                               const mtGlueCube<uword, T1, T2, glue_rel_gt>& X) {
  arma_debug_sigprint();

  arma_applier_cube(>, "operator>");
}

template <typename T1, typename T2>
inline void glue_rel_lteq::apply(Cube<uword>& out,
                                 const mtGlueCube<uword, T1, T2, glue_rel_lteq>& X) {
  arma_debug_sigprint();

  arma_applier_cube(<=, "operator<=");
}

template <typename T1, typename T2>
inline void glue_rel_gteq::apply(Cube<uword>& out,
                                 const mtGlueCube<uword, T1, T2, glue_rel_gteq>& X) {
  arma_debug_sigprint();

  arma_applier_cube(>=, "operator>=");
}

template <typename T1, typename T2>
inline void glue_rel_eq::apply(Cube<uword>& out,
                               const mtGlueCube<uword, T1, T2, glue_rel_eq>& X) {
  arma_debug_sigprint();

  arma_applier_cube(==, "operator==");
}

template <typename T1, typename T2>
inline void glue_rel_noteq::apply(Cube<uword>& out,
                                  const mtGlueCube<uword, T1, T2, glue_rel_noteq>& X) {
  arma_debug_sigprint();

  arma_applier_cube(!=, "operator!=");
}

template <typename T1, typename T2>
inline void glue_rel_and::apply(Cube<uword>& out,
                                const mtGlueCube<uword, T1, T2, glue_rel_and>& X) {
  arma_debug_sigprint();

  arma_applier_cube(&&, "operator&&");
}

template <typename T1, typename T2>
inline void glue_rel_or::apply(Cube<uword>& out,
                               const mtGlueCube<uword, T1, T2, glue_rel_or>& X) {
  arma_debug_sigprint();

  arma_applier_cube(||, "operator||");
}

#undef arma_applier_mat
#undef arma_applier_cube

//! @}
