/** 
* @file KMeansMatlab.h
* @brief K-Means
* @author Erik Rodner
* @date 10/29/2007

*/
#ifndef KMeansMatlabINCLUDE
#define KMeansMatlabINCLUDE

#include "core/vector/VectorT.h"
#include "core/vector/MatrixT.h"

#include "core/basics/Config.h"
#include "ClusterAlgorithm.h"


namespace OBJREC {

/** K-Means */
class KMeansMatlab : public ClusterAlgorithm
{

    protected:
	int noClasses;
	// refactor-nice.pl: check this substitution
	// old: string kmeansDir;
	std::string kmeansDir;
	// refactor-nice.pl: check this substitution
	// old: string matlabExec;
	std::string matlabExec;
	// refactor-nice.pl: check this substitution
	// old: string matlabArgs;
	std::string matlabArgs;

	// refactor-nice.pl: check this substitution
	// old: string inputFN;
	std::string inputFN;
	// refactor-nice.pl: check this substitution
	// old: string outputFN;
	std::string outputFN;

	FILE *matlabPipe;
	
	int compute_prototypes ( const NICE::VVector & features,
				  NICE::VVector & prototypes,
				  std::vector<double> & weights,
				  const std::vector<int>    & assignment );


    public:
  
	/** simple constructor */
	KMeansMatlab( const NICE::Config *conf, int noClasses );
      
	/** simple destructor */
	virtual ~KMeansMatlab();
     
	void cluster ( const NICE::VVector & features,
		       NICE::VVector & prototypes,
		       std::vector<double> & weights,
		       std::vector<int>    & assignment );

};


} // namespace

#endif