SVC_Q Class Reference

Inheritance diagram for SVC_Q:

Collaboration diagram for SVC_Q:

Public Member Functions
	SVC_Q (const svm_problem &prob, const svm_parameter &param, const schar *y_)
Qfloat *	get_Q (int i, int len) const
double *	get_QD () const
void	swap_index (int i, int j) const
	~SVC_Q ()
Public Member Functions inherited from Kernel
	Kernel (int l, svm_node *const *x, const svm_parameter &param)
virtual	~Kernel ()
Public Member Functions inherited from QMatrix
virtual	~QMatrix ()

Additional Inherited Members
Static Public Member Functions inherited from Kernel
static double	k_function (const svm_node *x, const svm_node *y, const svm_parameter &param)
Protected Attributes inherited from Kernel
double(Kernel::*	kernel_function )(int i, int j) const

Detailed Description

Definition at line 1272 of file svm.cpp.

Constructor & Destructor Documentation

SVC_Q()

SVC_Q::SVC_Q ( const svm_problem &  prob, const svm_parameter &  param, const schar *  y_  )

inline

Definition at line 1275 of file svm.cpp.

    :Kernel(prob.l, prob.x, param)
    {
        clone(y,y_,prob.l);
        cache = new Cache(prob.l,(long int)(param.cache_size*(1<<20)));
        QD = new double[prob.l];
        for(int i=0;i<prob.l;i++)
            QD[i] = (this->*kernel_function)(i,i);
    }

~SVC_Q()

SVC_Q::~SVC_Q ( )

inline

Definition at line 1310 of file svm.cpp.

    {
        delete[] y;
        delete cache;
        delete[] QD;
    }

Member Function Documentation

get_Q()

Qfloat* SVC_Q::get_Q ( int  i, int  len  ) const

inlinevirtual

Implements Kernel.

Definition at line 1285 of file svm.cpp.

    {
        Qfloat *data;
        int start, j;
        if((start = cache->get_data(i,&data,len)) < len)
        {
            for(j=start;j<len;j++)
                data[j] = (Qfloat)(y[i]*y[j]*(this->*kernel_function)(i,j));
        }
        return data;
    }

get_QD()

double* SVC_Q::get_QD ( ) const

inlinevirtual

Implements Kernel.

Definition at line 1297 of file svm.cpp.

    {
        return QD;
    }

swap_index()

void SVC_Q::swap_index ( int  i, int  j  ) const

inlinevirtual

Reimplemented from Kernel.

Definition at line 1302 of file svm.cpp.

    {
        cache->swap_index(i,j);
        Kernel::swap_index(i,j);
        swap(y[i],y[j]);
        swap(QD[i],QD[j]);
    }

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The documentation for this class was generated from the following file:

• libsvm/svm.cpp