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// 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);
  };



//! @}