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// Copyright (C) 2002 Ronan Collobert (collober@iro.umontreal.ca)
//
//
// This file is part of Torch. Release II.
// [The Ultimate Machine Learning Library]
//
// Torch 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 2 of the License, or
// (at your option) any later version.
//
// Torch 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 Torch; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef SVM_CACHE_INC
#define SVM_CACHE_INC
#include "QCCache.h"
#include "Kernel.h"
#include "SVMClassification.h"
#include "SVMRegression.h"
namespace Torch {
typedef struct SVMCacheListe_
{
real *adr;
int index;
SVMCacheListe_ *prev;
SVMCacheListe_ *suiv;
} SVMCacheListe;
/** #QCCache# implementation for SVMs.
Compute the Q matrix.
@see SVM
@see QCMachine
@see QCTrainer
@author Ronan Collobert (collober@iro.umontreal.ca)
*/
class SVMCache : public QCCache
{
public:
int l;
int taille;
real taille_en_megs;
real *memory_cache;
SVMCacheListe *cached, *cached_sauve;
SVMCacheListe **index_dans_liste;
Kernel *kernel;
bool booster_mode;
int *n_active_var;
int *active_var;
//-----
///
SVMCache(Kernel *kernel_, real taille_en_megs);
//-----
virtual void allocate();
virtual void clear();
virtual void destroy();
virtual void setBoosterMode(int *n_active_var_, int *active_var_);
//-----
virtual real *adressCache(int index);
virtual void rempliColonne(int index, real *adr) = 0;
virtual ~SVMCache();
};
/** Cache for SVM classification.
@author Ronan Collobert (collober@iro.umontreal.ca)
*/
class SVMCacheClassification : public SVMCache
{
public:
real *y;
//-----
///
SVMCacheClassification(SVMClassification *svm, real taille_en_megs);
//-----
virtual void allocate();
virtual void rempliColonne(int index, real *adr);
};
/** Cache for SVM regression.
@author Ronan Collobert (collober@iro.umontreal.ca)
*/
class SVMCacheRegression : public SVMCache
{
public:
int lm;
//-----
///
SVMCacheRegression(SVMRegression *svm, real taille_en_megs);
//-----
virtual void allocate();
virtual void rempliColonne(int index, real *adr);
};
}
#endif
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