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LatentLabels.cpp
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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 2012 Viktor Gal
00008  * Copyright (C) 2012 Viktor Gal
00009  */
00010 
00011 #include <shogun/labels/LatentLabels.h>
00012 
00013 using namespace shogun;
00014 
00015 CLatentLabels::CLatentLabels()
00016     : CLabels()
00017 {
00018     init();
00019 }
00020 
00021 CLatentLabels::CLatentLabels(int32_t num_samples)
00022     : CLabels()
00023 {
00024     init();
00025     m_latent_labels = new CDynamicObjectArray(num_samples);
00026     SG_REF(m_latent_labels);
00027 }
00028 
00029 CLatentLabels::CLatentLabels(CLabels* labels)
00030     : CLabels()
00031 {
00032     init();
00033     set_labels(labels);
00034 
00035     int32_t num_labels = 0;
00036     if (m_labels)
00037         num_labels = m_labels->get_num_labels();
00038 
00039     m_latent_labels = new CDynamicObjectArray(num_labels);
00040     SG_REF(m_latent_labels);
00041 }
00042 
00043 CLatentLabels::~CLatentLabels()
00044 {
00045     SG_UNREF(m_latent_labels);
00046     SG_UNREF(m_labels);
00047 }
00048 
00049 void CLatentLabels::init()
00050 {
00051     SG_ADD((CSGObject**) &m_latent_labels, "m_latent_labels", "The latent labels", MS_NOT_AVAILABLE);
00052     SG_ADD((CSGObject**) &m_labels, "m_labels", "The labels", MS_NOT_AVAILABLE);
00053     m_latent_labels = NULL;
00054     m_labels = NULL;
00055 }
00056 
00057 CDynamicObjectArray* CLatentLabels::get_latent_labels() const
00058 {
00059     SG_REF(m_latent_labels);
00060     return m_latent_labels;
00061 }
00062 
00063 CData* CLatentLabels::get_latent_label(int32_t idx)
00064 {
00065     ASSERT(m_latent_labels != NULL)
00066     if (idx < 0 || idx >= get_num_labels())
00067         SG_ERROR("Out of index!\n")
00068 
00069     return (CData*) m_latent_labels->get_element(idx);
00070 }
00071 
00072 void CLatentLabels::add_latent_label(CData* label)
00073 {
00074     ASSERT(m_latent_labels != NULL)
00075     m_latent_labels->push_back(label);
00076 }
00077 
00078 bool CLatentLabels::set_latent_label(int32_t idx, CData* label)
00079 {
00080     if (idx < get_num_labels())
00081     {
00082         return m_latent_labels->set_element(label, idx);
00083     }
00084     else
00085     {
00086         return false;
00087     }
00088 }
00089 
00090 void CLatentLabels::ensure_valid(const char* context)
00091 {
00092     if (m_latent_labels == NULL)
00093         SG_ERROR("Non-valid LatentLabels in %s", context)
00094 }
00095 
00096 int32_t CLatentLabels::get_num_labels() const
00097 {
00098     if (!m_latent_labels || !m_labels)
00099         return 0;
00100     int32_t num_labels = m_latent_labels->get_num_elements();
00101 
00102     ASSERT(num_labels == m_labels->get_num_labels())
00103 
00104     return num_labels;
00105 }
00106 
00107 void CLatentLabels::set_labels(CLabels* labels)
00108 {
00109     SG_REF(labels);
00110     SG_UNREF(m_labels);
00111     m_labels = labels;
00112 }
00113 
00114 CLabels* CLatentLabels::get_labels() const
00115 {
00116     SG_REF(m_labels);
00117     return m_labels;
00118 }
00119 
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