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DifferentiableFunction.h
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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 2013 Roman Votyakov
00008  * Copyright (C) 2012 Jacob Walker
00009  */
00010 
00011 #ifndef CDIFFERENTIABLEFUNCTION_H_
00012 #define CDIFFERENTIABLEFUNCTION_H_
00013 
00014 #include <shogun/base/SGObject.h>
00015 #include <shogun/lib/Map.h>
00016 #include <shogun/lib/SGVector.h>
00017 
00018 namespace shogun
00019 {
00020 
00024 class CDifferentiableFunction : public CSGObject
00025 {
00026 public:
00028     CDifferentiableFunction();
00029 
00030     virtual ~CDifferentiableFunction();
00031 
00039     virtual CMap<TParameter*, SGVector<float64_t> >* get_gradient(
00040             CMap<TParameter*, CSGObject*>* parameters)=0;
00041 
00046     virtual SGVector<float64_t> get_value()=0;
00047 };
00048 }
00049 #endif /* CDIFFERENTIABLEFUNCTION_H_ */
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