// 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 operator_cube_schur
//! @{

// operator %, which we define it to do a schur product (element-wise multiplication)

//! element-wise multiplication of BaseCube objects with same element type
template <typename T1, typename T2>
arma_inline const eGlueCube<T1, T2, eglue_schur> operator%(
    const BaseCube<typename T1::elem_type, T1>& X,
    const BaseCube<typename T1::elem_type, T2>& Y) {
  arma_debug_sigprint();

  return eGlueCube<T1, T2, eglue_schur>(X.get_ref(), Y.get_ref());
}

//! element-wise multiplication of BaseCube objects with different element types
template <typename T1, typename T2>
inline const mtGlueCube<
    typename promote_type<typename T1::elem_type, typename T2::elem_type>::result, T1, T2,
    glue_mixed_schur>
operator%(const BaseCube<typename force_different_type<typename T1::elem_type,
                                                       typename T2::elem_type>::T1_result,
                         T1>& X,
          const BaseCube<typename force_different_type<typename T1::elem_type,
                                                       typename T2::elem_type>::T2_result,
                         T2>& Y) {
  arma_debug_sigprint();

  typedef typename T1::elem_type eT1;
  typedef typename T2::elem_type eT2;

  typedef typename promote_type<eT1, eT2>::result out_eT;

  promote_type<eT1, eT2>::check();

  return mtGlueCube<out_eT, T1, T2, glue_mixed_schur>(X.get_ref(), Y.get_ref());
}

template <typename eT, typename T2>
arma_inline Cube<eT> operator%(const subview_cube_each1<eT>& X, const Base<eT, T2>& Y) {
  arma_debug_sigprint();

  return subview_cube_each1_aux::operator_schur(X, Y.get_ref());
}

template <typename T1, typename eT>
arma_inline Cube<eT> operator%(const Base<eT, T1>& X, const subview_cube_each1<eT>& Y) {
  arma_debug_sigprint();

  return subview_cube_each1_aux::operator_schur(Y, X.get_ref());  // NOTE: swapped order
}

template <typename eT, typename TB, typename T2>
arma_inline Cube<eT> operator%(const subview_cube_each2<eT, TB>& X,
                               const Base<eT, T2>& Y) {
  arma_debug_sigprint();

  return subview_cube_each2_aux::operator_schur(X, Y.get_ref());
}

template <typename T1, typename eT, typename TB>
arma_inline Cube<eT> operator%(const Base<eT, T1>& X,
                               const subview_cube_each2<eT, TB>& Y) {
  arma_debug_sigprint();

  return subview_cube_each2_aux::operator_schur(Y, X.get_ref());  // NOTE: swapped order
}

//! @}
