// 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 op_diagmat
//! @{

class op_diagmat : public traits_op_default {
 public:
  template <typename T1>
  inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1, op_diagmat>& X);

  template <typename T1>
  inline static void apply(Mat<typename T1::elem_type>& out, const Proxy<T1>& P);

  template <typename T1, typename T2>
  inline static void apply(Mat<typename T1::elem_type>& out,
                           const Op<Glue<T1, T2, glue_times>, op_diagmat>& X);

  template <typename T1, typename T2>
  inline static void apply_times(
      Mat<typename T1::elem_type>& out, const T1& X, const T2& Y,
      const typename arma_not_cx<typename T1::elem_type>::result* junk = nullptr);

  template <typename T1, typename T2>
  inline static void apply_times(
      Mat<typename T1::elem_type>& out, const T1& X, const T2& Y,
      const typename arma_cx_only<typename T1::elem_type>::result* junk = nullptr);
};

class op_diagmat2 : public traits_op_default {
 public:
  template <typename T1>
  inline static void apply(Mat<typename T1::elem_type>& out,
                           const Op<T1, op_diagmat2>& X);

  template <typename T1>
  inline static void apply(Mat<typename T1::elem_type>& out, const Proxy<T1>& P,
                           const uword row_offset, const uword col_offset);
};

//! @}
