65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright © 2003-2020 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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#ifndef _SIGMAEINITIALIZATION_HH
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#define _SIGMAEINITIALIZATION_HH
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#include <string>
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#include <vector>
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#include "ExprNode.hh"
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#include "Statement.hh"
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//! Stores a Sigma_e statement
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class SigmaeStatement : public Statement
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{
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public:
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//! Matrix form (lower or upper triangular) enum
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enum class MatrixForm
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{
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lower, //!< Lower triangular matrix
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upper //!< Upper triangular matrix
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};
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//! Type of a matrix row
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using row_t = vector<expr_t>;
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//! Type of a complete matrix
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using matrix_t = vector<row_t>;
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//! An exception indicating that a matrix is neither upper triangular nor lower triangular
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class MatrixFormException
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{
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};
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private:
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//! The matrix
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const matrix_t matrix;
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//! Matrix form (lower or upper)
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const MatrixForm matrix_form;
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//! Returns the type (upper or lower triangular) of a given matrix
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/*! Throws an exception if it is neither upper triangular nor lower triangular */
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static MatrixForm determineMatrixForm(const matrix_t &matrix) noexcept(false);
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public:
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explicit SigmaeStatement(matrix_t matrix_arg) noexcept(false);
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void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
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void writeJsonOutput(ostream &output) const override;
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};
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#endif
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