svmfusvmtest.h

This is SvmFu, a package for training and testing support vector machines (SVMs). It s written in C

//     This is a part of the SvmFu library, a library for training
//     Support Vector Machines.
//     Copyright (C) 2000  rif and MIT
//
//     Contact: [e-mail]

//     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

#ifndef SVMFU_SVM_TEST_HEADER
#define SVMFU_SVM_TEST_HEADER

#include "SvmFuSvmConstants.h"
#include "SvmFuSvmTypedefs.h"

using namespace std;

#include <math.h>
#include <iostream>
#include <fstream>
#include <string>
#include <stdio.h>

//! This is a small, lightweight SVM class, for testing purposes.
template <class DataPt, class KernVal> class SvmTest {
public:  
  SvmTest(int svmSize,
	  double *alphas,
	  DataPt *trnSetPtr,
	  double b,
	  int *y,
	  const KernVal (*kernProdFuncPtr) (const DataPt &pt1, 
					    const DataPt &pt2));
  
  virtual ~SvmTest();

  int    classifyDataPt (const DataPt &pt) const;
  double outputAtDataPt (const DataPt &pt) const;
  
  double computeDataSetPerformance(int dataSetSize, DataPt *dataSet,
				   int *y, bool printInfo=true) const;
				     
private:
  int svmSize_;

  double *alphas_;
  DataPt *trnSetPtr_;
  double b_;
  IntVec y_;

  const KernVal(*kernProdFuncPtr_)(const DataPt &pt1, const DataPt &pt2);
};

#endif // SVMFU_SVM_TEST_HEADER