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

mt19937.h
1 /* file: mt19937.h */
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41 
42 /*
43 //++
44 // Implementation of the Mersenne Twister engine in the batch processing mode
45 //--
46 */
47 
48 #ifndef __MT19937_H__
49 #define __MT19937_H__
50 
51 #include "algorithms/engines/mt19937/mt19937_types.h"
52 #include "algorithms/engines/engine.h"
53 
54 namespace daal
55 {
56 namespace algorithms
57 {
58 namespace engines
59 {
60 namespace mt19937
61 {
67 namespace interface1
68 {
79 template<typename algorithmFPType, Method method, CpuType cpu>
80 class DAAL_EXPORT BatchContainer : public daal::algorithms::AnalysisContainerIface<batch>
81 {
82 public:
88  BatchContainer(daal::services::Environment::env *daalEnv);
89  ~BatchContainer();
95  services::Status compute() DAAL_C11_OVERRIDE;
96 };
97 
112 template<typename algorithmFPType = DAAL_ALGORITHM_FP_TYPE, Method method = defaultDense>
113 class DAAL_EXPORT Batch : public engines::BatchBase
114 {
115 public:
116  typedef engines::BatchBase super;
117 
124  static services::SharedPtr<Batch<algorithmFPType, method> > create(size_t seed = 777);
125 
130  virtual int getMethod() const DAAL_C11_OVERRIDE { return (int)method; }
131 
136  ResultPtr getResult() { return _result; }
137 
144  services::Status setResult(const ResultPtr& result)
145  {
146  DAAL_CHECK(result, services::ErrorNullResult)
147  _result = result;
148  _res = _result.get();
149  return services::Status();
150  }
151 
157  services::SharedPtr<Batch<algorithmFPType, method> > clone() const
158  {
159  return services::SharedPtr<Batch<algorithmFPType, method> >(cloneImpl());
160  }
161 
167  virtual services::Status allocateResult() DAAL_C11_OVERRIDE
168  {
169  services::Status s = this->_result->template allocate<algorithmFPType>(&(this->input), NULL, (int) method);
170  this->_res = this->_result.get();
171  return s;
172  }
173 
174 protected:
175  Batch(size_t seed = 777)
176  {
177  initialize();
178  }
179 
180  Batch(const Batch<algorithmFPType, method> &other): super(other)
181  {
182  initialize();
183  }
184 
185  virtual Batch<algorithmFPType, method> *cloneImpl() const DAAL_C11_OVERRIDE
186  {
187  return new Batch<algorithmFPType, method>(*this);
188  }
189 
190  void initialize()
191  {
192  Analysis<batch>::_ac = new __DAAL_ALGORITHM_CONTAINER(batch, BatchContainer, algorithmFPType, method)(&_env);
193  _in = &input;
194  _result.reset(new Result());
195  }
196 
197 private:
198  ResultPtr _result;
199 };
200 typedef services::SharedPtr<Batch<> > mt19937Ptr;
201 
202 } // namespace interface1
203 using interface1::BatchContainer;
204 using interface1::Batch;
205 using interface1::mt19937Ptr;
207 } // namespace mt19937
208 } // namespace engines
209 } // namespace algorithms
210 } // namespace daal
211 #endif
daal
Definition: algorithm_base_common.h:57
daal::algorithms::AnalysisContainerIface
Abstract interface class that provides virtual methods to access and run implementations of the analy...
Definition: analysis.h:79
daal::algorithms::engines::mt19937::interface1::Batch::setResult
services::Status setResult(const ResultPtr &result)
Definition: mt19937.h:144
daal::algorithms::engines::mt19937::interface1::Batch::getMethod
virtual int getMethod() const DAAL_C11_OVERRIDE
Definition: mt19937.h:130
daal::batch
Definition: daal_defines.h:131
daal::algorithms::engines::mt19937::interface1::Batch::clone
services::SharedPtr< Batch< algorithmFPType, method > > clone() const
Definition: mt19937.h:157
daal::algorithms::Analysis
Provides methods for execution of operations over data, such as computation of Summary Statistics est...
Definition: analysis.h:94
daal::algorithms::engines::mt19937::interface1::Batch
Provides methods for mt19937 engine computations in the batch processing mode.
Definition: mt19937.h:113
daal::algorithms::engines::mt19937::interface1::Batch::allocateResult
virtual services::Status allocateResult() DAAL_C11_OVERRIDE
Definition: mt19937.h:167
daal::algorithms::engines::mt19937::interface1::Batch::getResult
ResultPtr getResult()
Definition: mt19937.h:136
daal::algorithms::engines::mt19937::interface1::BatchContainer
Provides methods to run implementations of the mt19937 engine. This class is associated with the mt19...
Definition: mt19937.h:80
daal::services::ErrorNullResult
Definition: error_indexes.h:122

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