// 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 spglue_times
//! @{

class spglue_times {
 public:
  template <typename T1, typename T2>
  struct traits {
    static constexpr bool is_row = T1::is_row;
    static constexpr bool is_col = T2::is_col;
    static constexpr bool is_xvec = false;
  };

  template <typename T1, typename T2>
  inline static void apply(SpMat<typename T1::elem_type>& out,
                           const SpGlue<T1, T2, spglue_times>& X);

  template <typename T1, typename T2>
  inline static void apply(
      SpMat<typename T1::elem_type>& out,
      const SpGlue<SpOp<T1, spop_scalar_times>, T2, spglue_times>& X);

  template <typename eT>
  inline static void apply_noalias(SpMat<eT>& c, const SpMat<eT>& x, const SpMat<eT>& y);
};

class spglue_times_mixed {
 public:
  template <typename T1, typename T2>
  struct traits {
    static constexpr bool is_row = T1::is_row;
    static constexpr bool is_col = T2::is_col;
    static constexpr bool is_xvec = false;
  };

  template <typename T1, typename T2>
  inline static void apply(
      SpMat<typename eT_promoter<T1, T2>::eT>& out,
      const mtSpGlue<typename eT_promoter<T1, T2>::eT, T1, T2, spglue_times_mixed>& expr);
};

//! @}
