IndexBlockTree.h

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/*
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * Copyright (C) 2012 Sergey Lisitsyn
 */

#ifndef INDEXBLOCKTREE_H_
#define INDEXBLOCKTREE_H_

#include <shogun/lib/IndexBlock.h>
#include <shogun/lib/IndexBlockRelation.h>

namespace shogun
{

class CIndexBlockTree : public CIndexBlockRelation
{
public:

    CIndexBlockTree();

    CIndexBlockTree(CIndexBlock* root_block);

    CIndexBlockTree(SGMatrix<float64_t> adjacency_matrix, bool include_supernode);
    
    CIndexBlockTree(SGVector<float64_t> G, SGVector<float64_t> ind_t);
    
    CIndexBlockTree(SGVector<float64_t> ind_t);

    virtual ~CIndexBlockTree();

    CIndexBlock* get_root_block() const;

    void set_root_block(CIndexBlock* root_block);

    virtual SGVector<index_t> get_SLEP_ind();

    virtual SGVector<float64_t> get_SLEP_G();

    virtual SGVector<float64_t> get_SLEP_ind_t() const;

    virtual EIndexBlockRelationType get_relation_type() const { return TREE; }

    bool is_general() const;

    const char* get_name() const { return "IndexBlockTree"; };

protected:

    CIndexBlock* m_root_block;

    bool m_general;

    SGVector<float64_t> m_precomputed_ind_t;
    
    SGVector<float64_t> m_precomputed_G;
};

}
#endif