include/outputfunction.h

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00001 /********************************************************************************
00002  *  Neural Network Framework.                                                   *
00003  *  Copyright (C) 2005-2008 Gianluca Massera <emmegian@yahoo.it>                *
00004  *                                                                              *
00005  *  This program is free software; you can redistribute it and/or modify        *
00006  *  it under the terms of the GNU General Public License as published by        *
00007  *  the Free Software Foundation; either version 2 of the License, or           *
00008  *  (at your option) any later version.                                         *
00009  *                                                                              *
00010  *  This program is distributed in the hope that it will be useful,             *
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of              *
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               *
00013  *  GNU General Public License for more details.                                *
00014  *                                                                              *
00015  *  You should have received a copy of the GNU General Public License           *
00016  *  along with this program; if not, write to the Free Software                 *
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA  *
00018  ********************************************************************************/
00019 
00020 #ifndef OUTPUTFUNCTION_H
00021 #define OUTPUTFUNCTION_H
00022 
00028 #include "types.h"
00029 #include "clonable.h"
00030 #include "propertized.h"
00031 
00032 
00033 namespace nnfw {
00034 
00039 class NNFW_API OutputFunction : public Propertized {
00040 public:
00044     OutputFunction();
00045 
00047     virtual ~OutputFunction();
00048 
00050 
00052 
00055     virtual void apply( RealVec& inputs, RealVec& outputs );
00056 
00059     Real apply( Real input ) {
00060         tmp1[0] = input;
00061         apply( tmp1, tmp2 );
00062         return tmp2[0];
00063     };
00064 
00072     virtual void setCluster( Cluster* ) { /* nothing to do */ };
00073 
00075     virtual OutputFunction* clone() const;
00076 
00078 
00079 private:
00081     RealVec tmp1;
00083     RealVec tmp2;
00084 };
00085 
00086 }
00087 
00088 #endif
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