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DataTree.cc
DataTree.cc 17.75 KiB
/*
* Copyright (C) 2003-2016 Dynare Team
*
* This file is part of Dynare.
*
* Dynare is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dynare is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Dynare. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <cassert>
#include <iostream>
#include "DataTree.hh"
DataTree::DataTree(SymbolTable &symbol_table_arg,
NumericalConstants &num_constants_arg,
ExternalFunctionsTable &external_functions_table_arg) :
symbol_table(symbol_table_arg),
num_constants(num_constants_arg),
external_functions_table(external_functions_table_arg),
node_counter(0)
{
Zero = AddNonNegativeConstant("0");
One = AddNonNegativeConstant("1");
Two = AddNonNegativeConstant("2");
MinusOne = AddUMinus(One);
NaN = AddNonNegativeConstant("NaN");
Infinity = AddNonNegativeConstant("Inf");
MinusInfinity = AddUMinus(Infinity);
Pi = AddNonNegativeConstant("3.141592653589793");
}
DataTree::~DataTree()
{
for (node_list_t::iterator it = node_list.begin(); it != node_list.end(); it++)
delete *it;
}
expr_t
DataTree::AddNonNegativeConstant(const string &value)
{
int id = num_constants.AddNonNegativeConstant(value);
num_const_node_map_t::iterator it = num_const_node_map.find(id);
if (it != num_const_node_map.end())
return it->second;
else
return new NumConstNode(*this, id);
}
VariableNode *
DataTree::AddVariableInternal(int symb_id, int lag)
{
variable_node_map_t::iterator it = variable_node_map.find(make_pair(symb_id, lag));
if (it != variable_node_map.end())
return it->second;