183 lines
4.5 KiB
C++
183 lines
4.5 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 fn_solve
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//! @{
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//
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// solve_gen
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template<typename T1, typename T2>
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arma_warn_unused
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, const Glue<T1, T2, glue_solve_gen> >::result
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solve
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(
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const Base<typename T1::elem_type,T1>& A,
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const Base<typename T1::elem_type,T2>& B,
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const solve_opts::opts& opts = solve_opts::none
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)
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{
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arma_extra_debug_sigprint();
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return Glue<T1, T2, glue_solve_gen>(A.get_ref(), B.get_ref(), opts.flags);
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}
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template<typename T1, typename T2>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
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solve
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(
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Mat<typename T1::elem_type>& out,
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const Base<typename T1::elem_type,T1>& A,
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const Base<typename T1::elem_type,T2>& B,
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const solve_opts::opts& opts = solve_opts::none
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)
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{
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arma_extra_debug_sigprint();
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const bool status = glue_solve_gen::apply(out, A.get_ref(), B.get_ref(), opts.flags);
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if(status == false)
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{
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out.soft_reset();
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arma_debug_warn_level(3, "solve(): solution not found");
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}
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return status;
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}
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//
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// solve_tri
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template<typename T1, typename T2>
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arma_warn_unused
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, const Glue<T1, T2, glue_solve_tri_default> >::result
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solve
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(
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const Op<T1, op_trimat>& A,
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const Base<typename T1::elem_type,T2>& B
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)
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{
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arma_extra_debug_sigprint();
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uword flags = uword(0);
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if(A.aux_uword_a == 0) { flags |= solve_opts::flag_triu; }
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if(A.aux_uword_a == 1) { flags |= solve_opts::flag_tril; }
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return Glue<T1, T2, glue_solve_tri_default>(A.m, B.get_ref(), flags);
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}
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template<typename T1, typename T2>
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arma_warn_unused
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, const Glue<T1, T2, glue_solve_tri> >::result
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solve
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(
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const Op<T1, op_trimat>& A,
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const Base<typename T1::elem_type,T2>& B,
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const solve_opts::opts& opts
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)
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{
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arma_extra_debug_sigprint();
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uword flags = opts.flags;
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if(A.aux_uword_a == 0) { flags |= solve_opts::flag_triu; }
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if(A.aux_uword_a == 1) { flags |= solve_opts::flag_tril; }
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return Glue<T1, T2, glue_solve_tri>(A.m, B.get_ref(), flags);
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}
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template<typename T1, typename T2>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
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solve
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(
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Mat<typename T1::elem_type>& out,
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const Op<T1, op_trimat>& A,
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const Base<typename T1::elem_type,T2>& B
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)
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{
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arma_extra_debug_sigprint();
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uword flags = uword(0);
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if(A.aux_uword_a == 0) { flags |= solve_opts::flag_triu; }
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if(A.aux_uword_a == 1) { flags |= solve_opts::flag_tril; }
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const bool status = glue_solve_tri_default::apply(out, A.m, B.get_ref(), flags);
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if(status == false)
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{
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out.soft_reset();
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arma_debug_warn_level(3, "solve(): solution not found");
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}
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return status;
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}
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template<typename T1, typename T2>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
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solve
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(
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Mat<typename T1::elem_type>& out,
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const Op<T1, op_trimat>& A,
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const Base<typename T1::elem_type,T2>& B,
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const solve_opts::opts& opts
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)
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{
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arma_extra_debug_sigprint();
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uword flags = opts.flags;
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if(A.aux_uword_a == 0) { flags |= solve_opts::flag_triu; }
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if(A.aux_uword_a == 1) { flags |= solve_opts::flag_tril; }
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const bool status = glue_solve_tri::apply(out, A.m, B.get_ref(), flags);
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if(status == false)
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{
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out.soft_reset();
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arma_debug_warn_level(3, "solve(): solution not found");
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}
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return status;
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}
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//! @}
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