KernelIndependenceTest.h

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/*
 * Copyright (c) The Shogun Machine Learning Toolbox
 * Written (w) 2012-2013 Heiko Strathmann
 * Written (w) 2014 Soumyajit De
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
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#ifndef KERNEL_INDEPENDENCE_TEST_H_
#define KERNEL_INDEPENDENCE_TEST_H_

#include <shogun/lib/config.h>

#include <shogun/statistics/IndependenceTest.h>

namespace shogun
{

class CFeatures;
class CKernel;

class CKernelIndependenceTest: public CIndependenceTest
{
public:
    CKernelIndependenceTest();

    CKernelIndependenceTest(CKernel* kernel_p, CKernel* kernel_q,
            CFeatures* p, CFeatures* q);

    virtual ~CKernelIndependenceTest();

    virtual SGVector<float64_t> sample_null();

    virtual void set_kernel_p(CKernel* kernel_p);

    virtual void set_kernel_q(CKernel* kernel_q);

    virtual CKernel* get_kernel_p();

    virtual CKernel* get_kernel_q();

    virtual const char* get_name() const=0;

private:
    void init();

protected:
    SGMatrix<float64_t> get_kernel_matrix_K();

    SGMatrix<float64_t> get_kernel_matrix_L();

    CKernel* m_kernel_p;

    CKernel* m_kernel_q;
};

}

#endif /* KERNEL_INDEPENDENCE_TEST_H_ */