Polyhedral Homotopy Continuation Method for solving sparse polynomial system, optimized by only tracing real zeros
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// This file is part of Bertini 2.
//
// symbol.hpp 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.
//
// symbol.hpp 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 symbol.hpp. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright(C) 2015 - 2021 by Bertini2 Development Team
//
// See <http://www.gnu.org/licenses/> for a copy of the license,
// as well as COPYING. Bertini2 is provided with permitted
// additional terms in the b2/licenses/ directory.
// individual authors of this file include:
// James Collins
// West Texas A&M University
// Spring, Summer 2015
//
// silviana amethyst, university of wisconsin-eau claire
//
// Created by Collins, James B. on 4/30/15.
//
//
// symbol.hpp: Declares the class Symbol.
/**
\file symbol.hpp
\brief Defines the abstract Symbol and NamedSymbol classes,
*/
#ifndef BERTINI_FUNCTION_TREE_SYMBOL_HPP
#define BERTINI_FUNCTION_TREE_SYMBOL_HPP
#include "function_tree/node.hpp"
namespace bertini {
namespace node {
/**
\brief Abstract symbol class.
This class is an interface for all non-operators.
*/
class Symbol : public virtual Node {
public:
virtual ~Symbol() = default;
unsigned EliminateZeros() override;
unsigned EliminateOnes() override;
private:
friend class boost::serialization::access;
template <typename Archive>
void serialize(Archive& ar, const unsigned version) {
ar& boost::serialization::base_object<Node>(*this);
}
};
/**
\brief Symbols which have names are named symbols.
Symbols which have names are named symbols.
*/
class NamedSymbol : public virtual Symbol {
public:
/**
Get the name of the named symbol
*/
const std::string& name() const;
/**
Get the name of the named symbol
*/
void name(const std::string& new_name);
/**
Parameterized constructor, sets the name of the symbol
*/
NamedSymbol(const std::string& new_name);
void print(std::ostream& target) const override;
virtual ~NamedSymbol() = default;
protected:
NamedSymbol() = default;
std::string name_;
private:
friend class boost::serialization::access;
template <typename Archive>
void serialize(Archive& ar, const unsigned version) {
ar& boost::serialization::base_object<Symbol>(*this);
ar & name_;
}
};
} // namespace node
} // namespace bertini
#endif