core/cost.hh

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
 *
 * MIA 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.
 *
 * This program 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 MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef mia_core_cost_hh
#define mia_core_cost_hh

#include <mia/core/factory.hh>
#include <mia/core/refholder.hh>


#ifndef EXPORT_HANDLER
#  ifdef WIN32
#     define EXPORT_HANDLER __declspec(dllimport)
#  else
#     define EXPORT_HANDLER
#  endif
#endif

NS_MIA_BEGIN

struct EXPORT_CORE cost_type {
        static const char *type_descr;
};


template <typename T, typename V>
class EXPORT_HANDLER TCost : public CProductBase{
public:
        typedef T Data;
        
        typedef V Force;

        typedef TRefHolder<T> RData; 
        
        typedef typename RData::Pointer PData;

        typedef T plugin_data; 
        
        typedef cost_type plugin_type; 

        virtual ~TCost();

        double value(const T& src) const;


        double evaluate_force(const T& src, V& force) const;
        
        void set_reference(const T& ref);
private:
        virtual double do_value(const T& a, const T& b) const = 0;
        virtual double do_evaluate_force(const T& a, const T& b, V& force) const = 0;
        virtual void post_set_reference(const T& ref); 
        
        PData m_reference; 
};

NS_MIA_END
#endif