/usr/include/shogun/latent/DirectorLatentModel.h is in libshogun-dev 3.2.0-7.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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.
*
* Copyright (C) 2012 Viktor Gal
*/
#ifndef _DIRECTOR_LATENT_MODEL_H_
#define _DIRECTOR_LATENT_MODEL_H_
#include <shogun/latent/LatentModel.h>
#include <shogun/lib/config.h>
#ifdef USE_SWIG_DIRECTORS
namespace shogun
{
class CLatentModel;
#define IGNORE_IN_CLASSLIST
/**
* @brief Class CDirectorLatentModel that represents the application specific model
* with latent variable svm in target interface language. It is a base class
* that needs to be extended with real implementations before using.
*
* @see CLatentModel
*/
IGNORE_IN_CLASSLIST class CDirectorLatentModel : public CLatentModel
{
public:
/** default constructor */
CDirectorLatentModel();
/** destructor */
virtual ~CDirectorLatentModel();
/**
* return the dimensionality of the joint feature space, i.e.
* the dimension of the weight vector \f$w\f$
*/
virtual int32_t get_dim() const;
/** Calculate the PSI vectors for all features
*
* @return PSI vectors
*/
virtual CDotFeatures* get_psi_feature_vectors();
/** User defined \f$h^{*} = argmax_{h} \langle \bold{w},\Psi(\bold{x},\bold{h}) \rangle\f$
* This function has to be defined the user as it is applications specific, since
* it depends on the user defined latent feature and latent label.
*
* @param w weight vector
* @param idx index of the example
* @return returns \f$h^{*}\f$ for the given example
*/
virtual CData* infer_latent_variable(const SGVector<float64_t>& w, index_t idx);
/** Calculates \f$argmax_{h} \langle \bold{w},\Psi(\bold{x},\bold{h}) \rangle\f$
* The default implementaiton calculates the argmax_h only on the positive examples.
*
* @param w weight vector (cutting plane) supplied by the underlying optimizer.
*/
virtual void argmax_h(const SGVector<float64_t>& w);
/** @return name of SGSerializable */
virtual const char* get_name() const { return "DirectorLatentModel"; }
}; /* class CDirectorLatentModel */
} /* namespace shogun */
#endif /* USE_SWIG_DIRECTORS */
#endif /* _DIRECTOR_LATENT_MODEL_H_ */
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