prec_base.hpp

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//This file is part of Bertini 2.
//
//prec_base.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.
//
//prec_base.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 prec_base.hpp.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright(C) 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.
 
#pragma once
 

 
 
namespace bertini{ namespace endgame {
 

template <typename TrackerT>
class EndgamePrecPolicyBase : public virtual Observable
{
public:
 
    using TrackerType = TrackerT;  

    explicit
    EndgamePrecPolicyBase(TrackerT const& new_tracker) : tracker_(std::ref(new_tracker))
    {}
 
    virtual ~EndgamePrecPolicyBase() = default;

    inline
    void SetTracker(TrackerT const& new_tracker)
    {
        tracker_ = std::ref(new_tracker); // rebind the reference
    }
 

    inline
    const TrackerT& GetTracker() const
    {
        return tracker_.get();
    }

    inline
    const System& GetSystem() const
    { return GetTracker().GetSystem();}

    void ChangePrecision(unsigned p)
    {
        // .get(): tracker_ is a reference_wrapper (never instantiated pre-ETI)
        tracker_.get().ChangePrecision(p);
    }
 
private:

    std::reference_wrapper<const TrackerT> tracker_;
 
}; //EndgamePrecPolicyBase
 
 
 
} } // end namespaces