/usr/include/shogun/multiclass/ecoc/ECOCSimpleDecoder.h is in libshogun-dev 3.2.0-7.3build4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | /*
* This program 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.
*
* Written (W) 2012 Chiyuan Zhang
* Copyright (C) 2012 Chiyuan Zhang
*/
#ifndef ECOCSIMPLEDECODER_H__
#define ECOCSIMPLEDECODER_H__
#include <shogun/multiclass/ecoc/ECOCDecoder.h>
#include <shogun/mathematics/Math.h>
namespace shogun
{
/** A decoder that computes some simple distances between
* the binary classification results and the codes to select
* the class with the smallest distance.
*/
class CECOCSimpleDecoder: public CECOCDecoder
{
public:
/** constructor */
CECOCSimpleDecoder() {}
/** destructor */
virtual ~CECOCSimpleDecoder() {}
/** get name */
virtual const char* get_name() const { return "ECOCSimpleDecoder"; }
/** decide label.
* @param outputs outputs by classifiers
* @param codebook ECOC codebook
*/
virtual int32_t decide_label(const SGVector<float64_t> outputs, const SGMatrix<int32_t> codebook);
protected:
/** whether to turn the output into binary before decoding */
virtual bool binary_decoding()=0;
/** compute distance */
virtual float64_t compute_distance(SGVector<float64_t> outputs, const int32_t *code)=0;
};
} /* shogun */
#endif /* end of include guard: ECOCSIMPLEDECODER_H__ */
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