total_degree.hpp

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//This file is part of Bertini 2.
//
//total_degree.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.
//
//total_degree.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 total_degree.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:
// silviana amethyst, university of wisconsin eau claire

 
#pragma once
 
#include "bertini2/system/start_base.hpp"
#include "bertini2/system/start/utility.hpp"
 
namespace bertini 
{
    namespace start_system{
 

        class TotalDegree : public StartSystem
        {
        public:
            TotalDegree() = default;
            virtual ~TotalDegree() = default;
            
            TotalDegree(System const& s);
 

            template<typename NumT>
            NumT RandomValue(size_t index) const
            {
                return random_values_[index]->Eval<NumT>();
            }
 

            std::vector<std::shared_ptr<node::Rational> > const& RandomValues()
            {
                return random_values_;
            }
 

            unsigned long long NumStartPoints() const override;
 
            TotalDegree& operator*=(Nd const& n);
 
            TotalDegree& operator+=(System const& sys) = delete;
            
            void SanityChecks(System const& s);
 
        private:

            void CopyDegrees(System const& s);

            void SeedRandomValues(int num_functions);

            void GenerateFunctions();
 

            Vec<dbl> GenerateStartPoint(dbl,unsigned long long index) const override;

            Vec<mpfr_complex> GenerateStartPoint(mpfr_complex,unsigned long long index) const override;
 
            std::vector<std::shared_ptr<node::Rational> > random_values_; 
            std::vector<unsigned long long> degrees_; 
 
 
            friend class boost::serialization::access;
 
            template <typename Archive>
            void serialize(Archive& ar, const unsigned version) {
                ar & boost::serialization::base_object<StartSystem>(*this);
                ar & random_values_;
                ar & degrees_;
            }
 
        };
    }
}