69 lines
1.5 KiB
C++
69 lines
1.5 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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#include "factory.hh"
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void
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Factory::init(const Symmetry &s, const IntSequence &nvs)
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{
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IntSequence sym(s);
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decltype(mtgen)::result_type seed = sym[0];
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seed = 256*seed + nvs[0];
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if (sym.size() > 1)
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seed = 256*seed + sym[1];
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if (nvs.size() > 1)
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seed = 256*seed + nvs[0];
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mtgen.seed(seed);
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}
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void
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Factory::init(int dim, int nv)
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{
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decltype(mtgen)::result_type seed = dim;
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seed = 256*seed + nv;
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mtgen.seed(seed);
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}
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double
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Factory::get()
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{
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return dis(mtgen)-0.5;
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}
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void
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Factory::fillMatrix(TwoDMatrix &m)
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{
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Vector &d = m.getData();
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for (int i = 0; i < d.length(); i++)
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d[i] = get();
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}
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Vector
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Factory::makeVector(int n)
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{
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init(n, n*n);
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Vector v(n);
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for (int i = 0; i < n; i++)
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v[i] = get();
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return v;
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}
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