1 /*
2 * Copyright © 2004 Ondra Kamenik
3 * Copyright © 2019 Dynare Team
4 *
5 * This file is part of Dynare.
6 *
7 * Dynare is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * Dynare is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Dynare. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "t_polynomial.hh"
22 #include "kron_prod.hh"
23
24 // PowerProvider::getNext() unfolded code
25 /* This method constructs unfolded ‘ut’ of higher dimension, deleting
26 the previous. */
27
28 const URSingleTensor &
getNext(dummy<URSingleTensor>)29 PowerProvider::getNext(dummy<URSingleTensor>)
30 {
31 if (ut)
32 {
33 auto ut_new = std::make_unique<URSingleTensor>(nv, ut->dimen()+1);
34 KronProd::kronMult(ConstVector(origv), ConstVector(ut->getData()), ut_new->getData());
35 ut = std::move(ut_new);
36 }
37 else
38 {
39 ut = std::make_unique<URSingleTensor>(nv, 1);
40 ut->getData() = origv;
41 }
42 return *ut;
43 }
44
45 // PowerProvider::getNext() folded code
46 /* This method just constructs next unfolded ‘ut’ and creates folded ‘ft’. */
47
48 const FRSingleTensor &
getNext(dummy<FRSingleTensor>)49 PowerProvider::getNext(dummy<FRSingleTensor>)
50 {
51 getNext<URSingleTensor>();
52 ft = std::make_unique<FRSingleTensor>(*ut);
53 return *ft;
54 }
55
UTensorPolynomial(const FTensorPolynomial & fp)56 UTensorPolynomial::UTensorPolynomial(const FTensorPolynomial &fp)
57 : TensorPolynomial<UFSTensor, UGSTensor, URSingleTensor>(fp.nrows(), fp.nvars())
58 {
59 for (const auto &it : fp)
60 insert(std::make_unique<UFSTensor>(*(it.second)));
61 }
62
FTensorPolynomial(const UTensorPolynomial & up)63 FTensorPolynomial::FTensorPolynomial(const UTensorPolynomial &up)
64 : TensorPolynomial<FFSTensor, FGSTensor, FRSingleTensor>(up.nrows(), up.nvars())
65 {
66 for (const auto &it : up)
67 insert(std::make_unique<FFSTensor>(*(it.second)));
68 }
69