1 // SPDX-License-Identifier: Apache-2.0
2 //
3 // Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
4 // Copyright 2008-2016 National ICT Australia (NICTA)
5 //
6 // Licensed under the Apache License, Version 2.0 (the "License");
7 // you may not use this file except in compliance with the License.
8 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 // ------------------------------------------------------------------------
17 
18 
19 //! \addtogroup mtSpOp
20 //! @{
21 
22 // Class for delayed multi-type sparse operations.  These are operations where
23 // the resulting type is different than the stored type.
24 
25 
26 
27 template<typename out_eT, typename T1, typename spop_type>
28 class mtSpOp : public SpBase< out_eT, mtSpOp<out_eT, T1, spop_type> >
29   {
30   public:
31 
32   typedef          out_eT                       elem_type;
33   typedef typename get_pod_type<out_eT>::result pod_type;
34 
35   typedef typename T1::elem_type                in_eT;
36 
37   static constexpr bool is_row  = spop_type::template traits<T1>::is_row;
38   static constexpr bool is_col  = spop_type::template traits<T1>::is_col;
39   static constexpr bool is_xvec = spop_type::template traits<T1>::is_xvec;
40 
41   inline explicit  mtSpOp(const T1& in_m);
42   inline           mtSpOp(const T1& in_m, const uword aux_uword_a, const uword aux_uword_b);
43   inline           mtSpOp(const char junk, const T1& in_m, const out_eT in_aux);
44   inline          ~mtSpOp();
45 
46   template<typename eT2>
47   arma_inline bool is_alias(const SpMat<eT2>& X) const;
48 
49   arma_aligned const T1&    m;            //!< the operand; must be derived from SpBase
50   arma_aligned       out_eT aux_out_eT;   //!< auxiliary data, using the element type as specified by the out_eT template parameter
51   arma_aligned       uword  aux_uword_a;
52   arma_aligned       uword  aux_uword_b;
53   };
54 
55 
56 
57 //! @}
58