73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup op_sp_minus
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//! @{
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// Subtract a sparse object from a scalar; the output will be a dense object.
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class op_sp_minus_pre
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: public traits_op_passthru
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{
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public:
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template<typename T1>
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inline static void apply(Mat<typename T1::elem_type>& out, const SpToDOp<T1,op_sp_minus_pre>& in);
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// force apply into sparse matrix
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template<typename T1>
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inline static void apply(SpMat<typename T1::elem_type>& out, const SpToDOp<T1,op_sp_minus_pre>& in);
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// used for the optimization of sparse % (scalar - sparse)
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template<typename eT, typename T2, typename T3>
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inline static void apply_inside_schur(SpMat<eT>& out, const T2& x, const SpToDOp<T3, op_sp_minus_pre>& y);
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// used for the optimization of sparse / (scalar - sparse)
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template<typename eT, typename T2, typename T3>
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inline static void apply_inside_div(SpMat<eT>& out, const T2& x, const SpToDOp<T3, op_sp_minus_pre>& y);
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};
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// Subtract a scalar from a sparse object; the output will be a dense object.
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class op_sp_minus_post
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: public traits_op_passthru
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{
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public:
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template<typename T1>
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inline static void apply(Mat<typename T1::elem_type>& out, const SpToDOp<T1,op_sp_minus_post>& in);
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// force apply into sparse matrix
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template<typename T1>
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inline static void apply(SpMat<typename T1::elem_type>& out, const SpToDOp<T1,op_sp_minus_post>& in);
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// used for the optimization of sparse % (sparse - scalar)
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template<typename eT, typename T2, typename T3>
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inline static void apply_inside_schur(SpMat<eT>& out, const T2& x, const SpToDOp<T3, op_sp_minus_post>& y);
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// used for the optimization of sparse / (sparse - scalar)
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template<typename eT, typename T2, typename T3>
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inline static void apply_inside_div(SpMat<eT>& out, const T2& x, const SpToDOp<T3, op_sp_minus_post>& y);
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};
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//! @}
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