97 lines
2.4 KiB
C++
97 lines
2.4 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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef FACTORY_H
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#define FACTORY_H
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#include <random>
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#include <memory>
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#include "symmetry.hh"
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#include "int_sequence.hh"
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#include "twod_matrix.hh"
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#include "equivalence.hh"
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#include "rfs_tensor.hh"
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#include "t_container.hh"
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class Factory
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{
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std::mt19937 mtgen;
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std::uniform_real_distribution<> dis;
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void init(const Symmetry &s, const IntSequence &nvs);
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void init(int dim, int nv);
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void fillMatrix(TwoDMatrix &m);
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public:
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double get();
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// This can be used with UGSTensor, FGSTensor
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template<class _Ttype>
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std::unique_ptr<_Ttype>
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make(int r, const Symmetry &s, const IntSequence &nvs)
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{
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auto res = std::make_unique<_Ttype>(r, TensorDimens(s, nvs));
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init(s, nvs);
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fillMatrix(*res);
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return res;
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}
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// This can be used with FFSTensor, UFSTensor, FRTensor, URTensor
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template<class _Ttype>
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std::unique_ptr<_Ttype>
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make(int r, int nv, int dim)
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{
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auto res = std::make_unique<_Ttype>(r, nv, dim);
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init(dim, nv);
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fillMatrix(*res);
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return res;
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}
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template<class _Ttype, class _Ctype>
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_Ctype
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makeCont(int r, const IntSequence &nvs, int maxdim)
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{
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int symnum = nvs.size();
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_Ctype res(symnum);
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for (int dim = 1; dim <= maxdim; dim++)
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if (symnum == 1)
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// Full symmetry
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res.insert(make<_Ttype>(r, Symmetry{dim}, nvs));
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else
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// General symmetry
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for (int i = 0; i <= dim; i++)
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res.insert(make<_Ttype>(r, Symmetry{i, dim-i}, nvs));
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return res;
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}
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template<class _Ttype, class _Ptype>
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_Ptype
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makePoly(int r, int nv, int maxdim)
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{
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_Ptype p(r, nv);
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for (int d = 1; d <= maxdim; d++)
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p.insert(make<_Ttype>(r, nv, d));
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return p;
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}
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Vector makeVector(int n);
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};
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#endif
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