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Labels.cpp
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 1999-2009 Soeren Sonnenburg
8  * Written (W) 1999-2008 Gunnar Raetsch
9  * Written (W) 2011-2012 Heiko Strathmann
10  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
11  */
12 
13 #include <shogun/labels/Labels.h>
14 #include <shogun/lib/common.h>
15 #include <shogun/io/SGIO.h>
16 
17 using namespace shogun;
18 
20  : CSGObject()
21 {
22  init();
23 }
24 
26 {
28 }
29 
30 void CLabels::init()
31 {
32  SG_ADD((CSGObject **)&m_subset_stack, "subset_stack",
33  "Current subset stack", MS_NOT_AVAILABLE);
34 
37 }
38 
40 {
41  m_subset_stack->add_subset(subset);
42 }
43 
45 {
47 }
48 
50 {
52 }
53 
55 {
57 }
58 
60 {
62  int32_t real_num = m_subset_stack->subset_idx_conversion(idx);
63  return m_current_values.vector[real_num];
64 }
65 
66 void CLabels::set_value(float64_t value, int32_t idx)
67 {
68 
69  REQUIRE(m_current_values.vector, "%s::set_value(%f, %d): No values vector"
70  " set!\n", get_name(), value, idx);
71  REQUIRE(get_num_labels(), "%s::set_value(%f, %d): Number of values is "
72  "zero!\n", get_name(), value, idx);
73 
74  int32_t real_num = m_subset_stack->subset_idx_conversion(idx);
75  m_current_values.vector[real_num] = value;
76 }
77 
79 {
81  {
82  SG_ERROR("length of value values should match number of labels or"
83  " have zero length (len(labels)=%d, len(values)=%d)\n",
84  get_num_labels(), values.vlen);
85  }
86 
87  m_current_values = values;
88 }
89 
91 {
92  return m_current_values;
93 }
virtual const char * get_name() const =0
virtual float64_t get_value(int32_t idx)
Definition: Labels.cpp:59
virtual void remove_all_subsets()
Definition: Labels.cpp:54
virtual int32_t get_num_labels() const =0
#define SG_ERROR(...)
Definition: SGIO.h:129
#define REQUIRE(x,...)
Definition: SGIO.h:206
CSubsetStack * m_subset_stack
Definition: Labels.h:140
#define SG_REF(x)
Definition: SGObject.h:54
class to add subset support to another class. A CSubsetStackStack instance should be added and wrappe...
Definition: SubsetStack.h:37
index_t vlen
Definition: SGVector.h:494
virtual void add_subset(SGVector< index_t > subset)
Definition: SubsetStack.cpp:80
#define ASSERT(x)
Definition: SGIO.h:201
Class SGObject is the base class of all shogun objects.
Definition: SGObject.h:115
virtual void remove_all_subsets()
Definition: SubsetStack.cpp:59
virtual void add_subset_in_place(SGVector< index_t > subset)
double float64_t
Definition: common.h:50
virtual void set_value(float64_t value, int32_t idx)
Definition: Labels.cpp:66
virtual void remove_subset()
Definition: Labels.cpp:49
virtual void add_subset(SGVector< index_t > subset)
Definition: Labels.cpp:39
index_t subset_idx_conversion(index_t idx) const
Definition: SubsetStack.h:105
virtual SGVector< float64_t > get_values()
Definition: Labels.cpp:90
#define SG_UNREF(x)
Definition: SGObject.h:55
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
virtual void remove_subset()
SGVector< float64_t > m_current_values
Definition: Labels.h:143
virtual ~CLabels()
Definition: Labels.cpp:25
#define SG_ADD(...)
Definition: SGObject.h:84
virtual void add_subset_in_place(SGVector< index_t > subset)
Definition: Labels.cpp:44
virtual void set_values(SGVector< float64_t > values)
Definition: Labels.cpp:78

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