C++ API Reference for Intel® Data Analytics Acceleration Library 2018 Update 1

stump_predict.h
1 /* file: stump_predict.h */
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41 
42 /*
43 //++
44 // Implementation of the interface for decision stump model-based prediction
45 //--
46 */
47 
48 #ifndef __STUMP_PREDICT_H__
49 #define __STUMP_PREDICT_H__
50 
51 #include "algorithms/algorithm.h"
52 #include "algorithms/weak_learner/weak_learner_predict.h"
53 #include "algorithms/stump/stump_predict_types.h"
54 
55 namespace daal
56 {
57 namespace algorithms
58 {
59 namespace stump
60 {
69 namespace prediction
70 {
75 enum Method
76 {
77  defaultDense = 0
78 };
79 
83 namespace interface1
84 {
94 template<typename algorithmFPType, Method method, CpuType cpu>
95 class DAAL_EXPORT BatchContainer : public PredictionContainerIface
96 {
97 public:
102  BatchContainer(daal::services::Environment::env *daalEnv);
104  ~BatchContainer();
108  services::Status compute() DAAL_C11_OVERRIDE;
109 };
110 
131 template<typename algorithmFPType = DAAL_ALGORITHM_FP_TYPE, Method method = defaultDense>
132 class Batch : public weak_learner::prediction::Batch
133 {
134 public:
135  Input input;
137  Batch()
138  {
139  initialize();
140  }
141 
148  Batch(const Batch<algorithmFPType, method> &other) : weak_learner::prediction::Batch(other), input(other.input)
149  {
150  initialize();
151  }
152 
153  ~Batch() {}
154 
159  Input * getInput() DAAL_C11_OVERRIDE { return &input; }
160 
165  virtual int getMethod() const DAAL_C11_OVERRIDE { return(int)method; }
166 
172  services::SharedPtr<Batch<algorithmFPType, method> > clone() const
173  {
174  return services::SharedPtr<Batch<algorithmFPType, method> >(cloneImpl());
175  }
176 
177 protected:
178  using weak_learner::prediction::Batch::_result;
179 
180  virtual Batch<algorithmFPType, method> * cloneImpl() const DAAL_C11_OVERRIDE
181  {
182  return new Batch<algorithmFPType, method>(*this);
183  }
184 
185  services::Status allocateResult() DAAL_C11_OVERRIDE
186  {
187  services::Status s = _result->allocate<algorithmFPType>(&input, 0, 0);
188  _res = _result.get();
189  return s;
190  }
191 
192  void initialize()
193  {
194  _in = &input;
195  _ac = new __DAAL_ALGORITHM_CONTAINER(batch, BatchContainer, algorithmFPType, method)(&_env);
196  _par = NULL;
197  }
198 };
199 } // namespace interface1
200 using interface1::BatchContainer;
201 using interface1::Batch;
202 
203 } // namespace daal::algorithms::stump::prediction
205 }
206 }
207 } // namespace daal
208 #endif
daal::algorithms::stump::prediction::interface1::Batch::getInput
Input * getInput() DAAL_C11_OVERRIDE
Definition: stump_predict.h:159
daal
Definition: algorithm_base_common.h:57
daal::algorithms::stump::prediction::interface1::BatchContainer
Provides methods to run implementations of the decision stump prediction algorithm. It is associated with the daal::algorithms::stump::prediction::interface1::Batch class and supports methods to run based on the decision stump model.
Definition: stump_predict.h:95
daal::algorithms::stump::prediction::interface1::Batch::input
Input input
Definition: stump_predict.h:135
daal::algorithms::stump::prediction::interface1::Batch::getMethod
virtual int getMethod() const DAAL_C11_OVERRIDE
Definition: stump_predict.h:165
daal::algorithms::stump::prediction::interface1::Batch
Predicts results of the decision stump classification.
Definition: stump_predict.h:132
daal::algorithms::PredictionContainerIface
Abstract interface class that provides virtual methods to access and run implementations of the algor...
Definition: prediction.h:66
daal::algorithms::stump::prediction::interface1::Batch::clone
services::SharedPtr< Batch< algorithmFPType, method > > clone() const
Definition: stump_predict.h:172
daal::algorithms::stump::prediction::interface1::Batch::Batch
Batch(const Batch< algorithmFPType, method > &other)
Definition: stump_predict.h:148
daal::batch
Definition: daal_defines.h:131
daal::algorithms::stump::prediction::interface1::Input
Input objects in the prediction stage of the stump algorithm.
Definition: stump_predict_types.h:85
daal::algorithms::classifier::prediction::prediction
Definition: classifier_predict_types.h:102
daal::algorithms::stump::prediction::defaultDense
Definition: stump_predict.h:77
daal::algorithms::stump::prediction::Method
Method
Definition: stump_predict.h:75

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