69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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* Copyright © 2004 Ondra Kamenik
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* Copyright © 2019 Dynare Team
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*
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* This file is part of Dynare.
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*
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* Dynare is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Dynare is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Dynare. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "t_polynomial.hh"
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#include "kron_prod.hh"
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// PowerProvider::getNext() unfolded code
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/* This method constructs unfolded ‘ut’ of higher dimension, deleting
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the previous. */
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const URSingleTensor&
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PowerProvider::getNext(dummy<URSingleTensor>)
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{
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if (ut)
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{
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auto ut_new = std::make_unique<URSingleTensor>(nv, ut->dimen() + 1);
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KronProd::kronMult(ConstVector(origv), ConstVector(ut->getData()), ut_new->getData());
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ut = std::move(ut_new);
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}
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else
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{
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ut = std::make_unique<URSingleTensor>(nv, 1);
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ut->getData() = origv;
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}
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return *ut;
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}
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// PowerProvider::getNext() folded code
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/* This method just constructs next unfolded ‘ut’ and creates folded ‘ft’. */
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const FRSingleTensor&
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PowerProvider::getNext(dummy<FRSingleTensor>)
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{
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getNext<URSingleTensor>();
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ft = std::make_unique<FRSingleTensor>(*ut);
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return *ft;
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}
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UTensorPolynomial::UTensorPolynomial(const FTensorPolynomial& fp) :
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TensorPolynomial<UFSTensor, UGSTensor, URSingleTensor>(fp.nrows(), fp.nvars())
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{
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for (const auto& it : fp)
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insert(std::make_unique<UFSTensor>(*(it.second)));
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}
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FTensorPolynomial::FTensorPolynomial(const UTensorPolynomial& up) :
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TensorPolynomial<FFSTensor, FGSTensor, FRSingleTensor>(up.nrows(), up.nvars())
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{
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for (const auto& it : up)
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insert(std::make_unique<FFSTensor>(*(it.second)));
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}
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