66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
/*
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* Copyright (C) 2003-2008 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 _SIGMAEINITIALIZATION_HH
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#define _SIGMAEINITIALIZATION_HH
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using namespace std;
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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 matrix_form_type
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{
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eLower = 0, //!< Lower triangular matrix
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eUpper = 1 //!< Upper triangular matrix
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};
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//! Type of a matrix row
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typedef vector<NodeID> row_type;
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//! Type of a complete matrix
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typedef vector<row_type> matrix_type;
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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_type matrix;
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//! Matrix form (lower or upper)
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const matrix_form_type 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 matrix_form_type determineMatrixForm(const matrix_type &matrix) throw (MatrixFormException);
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public :
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SigmaeStatement(const matrix_type &matrix_arg) throw (MatrixFormException);
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virtual void writeOutput(ostream &output, const string &basename) const;
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};
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#endif
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