vw_label.cpp

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/*
 * Copyright (c) 2009 Yahoo! Inc.  All rights reserved.  The copyrights
 * embodied in the content of this file are licensed under the BSD
 * (revised) open source license.
 *
 * 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.
 *
 * Written (W) 2011 Shashwat Lal Das
 * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society.
 */

#include <shogun/classifier/vw/vw_label.h>

using namespace shogun;

void VwLabel::label_from_substring(v_array<substring>& words)
{
    switch(words.index())
    {
    case 0:
        break;
    case 1:
        label = SGIO::float_of_substring(words[0]);
        break;
    case 2:
        label = SGIO::float_of_substring(words[0]);
        weight = SGIO::float_of_substring(words[1]);
        break;
    case 3:
        label = SGIO::float_of_substring(words[0]);
        weight = SGIO::float_of_substring(words[1]);
        initial = SGIO::float_of_substring(words[2]);
        break;
    default:
        SG_SERROR("malformed example!\n"
              "words.index() = %d\n", words.index());
    }
}