/usr/include/libGIFTAcInvertedFile/include/CAdditionalDocumentInformation.h is in libgnuift0-dev 0.1.14-12.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*/
/*
GIFT, a flexible content based image retrieval system.
Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
Copyright (C) 2003, 2004 Bayreuth University
2005 Bamberg University
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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/***************************************
*
* CADDITIONALDOCUMENTINFORMATION
*
****************************************
*
* modification history:
*
* HM 090399 created the documentation
*
****************************************
*
* compiler defines used:
*
*
****************************************/
#ifndef _CADDITIONALDOCUMENTINFORMATION
#define _CADDITIONALDOCUMENTINFORMATION
#include "libGIFTAcInvertedFile/include/uses-declarations.h"
#include "libMRML/include/TID.h"
#include <string>
#include <functional>
#include <iostream>
#include <fstream>
/**
Additional document information (ADI) is information
is needed for weighting schemes which
take into account properties of whole documents.
Things like e.g. the euclidean length of a vector have to be
calculated beforehand.
*/
class CAdditionalDocumentInformation{
protected:
///Filename of the document (from which the ADI file will be built)
string mFileNameBase;
///Maximum Document frequency of a feature for the whole document
double mMaximumDF;
///Sum of squared document frequencies off all features of the document.
double mDFSquareSum;
///Sum of (DF*DF*log(ICF)) for all features of the document
double mSquareDFLogICFSum;
public:
/***************************************
*
*
*
***************************************/
///Constructor sets filename
CAdditionalDocumentInformation(const string& inName="N.N.");
/***************************************
*
*
*
***************************************/
///...If neccesary set filename later
void setFileNameBase(const string& inName);
/***************************************
*
*
*
***************************************/
///Reset mMaximumDF and mDFSquareSum
void resetDF();
/***************************************
*
*
*
***************************************/
///Add the right things to mMaximumDF and mDFSquareSum
void adjustDF(double inDF);
/***************************************
*
*
*
***************************************/
///reset mSquareDFLogICFSum
void resetSquareDFLogICF();
/***************************************
*
*
*
***************************************/
///add the right things to mSquareDFLogICFSum
void adjustSquareDFLogICF(double);
/***************************************
*
*
*
***************************************/
///@name Accessors
//@{
double getMaximumDF()const;
/***************************************
*
*
*
***************************************/
///
double getDFSquareSum()const;
/***************************************
*
*
*
***************************************/
///
double getSquareDFLogICFSum()const;
/***************************************
*
*
*
***************************************/
//@}
//@name input/output to streams
//@{
///
bool output(ostream& outStream)const;
/***************************************
*
*
*
***************************************/
///
bool output()const;
/***************************************
*
*
*
***************************************/
///
bool input(istream& inStream);
/***************************************
*
*
*
***************************************/
///
bool input();
//@}
};
#endif
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