source: XIOS/trunk/src/transformation/scalar_algorithm_reduce_axis.cpp @ 977

Last change on this file since 977 was 977, checked in by mhnguyen, 5 years ago

Minor improvements: Removing some redundant codes

File size: 4.4 KB
Line 
1/*!
2   \file scalar_algorithm_reduce_scalar.cpp
3   \author Ha NGUYEN
4   \since 23 June 2016
5   \date 23 June 2016
6
7   \brief Algorithm for reduce an axis to a scalar
8 */
9#include "scalar_algorithm_reduce_axis.hpp"
10#include "axis.hpp"
11#include "scalar.hpp"
12#include "reduce_axis_to_scalar.hpp"
13#include "grid.hpp"
14#include "grid_transformation_factory_impl.hpp"
15
16#include "reduction.hpp"
17
18namespace xios {
19CGenericAlgorithmTransformation* CScalarAlgorithmReduceScalar::create(CGrid* gridDst, CGrid* gridSrc,
20                                                                     CTransformation<CScalar>* transformation,
21                                                                     int elementPositionInGrid,
22                                                                     std::map<int, int>& elementPositionInGridSrc2ScalarPosition,
23                                                                     std::map<int, int>& elementPositionInGridSrc2AxisPosition,
24                                                                     std::map<int, int>& elementPositionInGridSrc2DomainPosition,
25                                                                     std::map<int, int>& elementPositionInGridDst2ScalarPosition,
26                                                                     std::map<int, int>& elementPositionInGridDst2AxisPosition,
27                                                                     std::map<int, int>& elementPositionInGridDst2DomainPosition)
28{
29  std::vector<CScalar*> scalarListDestP = gridDst->getScalars();
30  std::vector<CAxis*> axisListSrcP  = gridSrc->getAxis();
31
32  CReduceAxisToScalar* reduceAxis = dynamic_cast<CReduceAxisToScalar*> (transformation);
33  int scalarDstIndex = elementPositionInGridDst2ScalarPosition[elementPositionInGrid];
34  int axisSrcIndex = elementPositionInGridSrc2AxisPosition[elementPositionInGrid];
35
36  return (new CScalarAlgorithmReduceScalar(scalarListDestP[scalarDstIndex], axisListSrcP[axisSrcIndex], reduceAxis));
37}
38
39bool CScalarAlgorithmReduceScalar::registerTrans()
40{
41  CGridTransformationFactory<CScalar>::registerTransformation(TRANS_REDUCE_AXIS_TO_SCALAR, create);
42}
43
44CScalarAlgorithmReduceScalar::CScalarAlgorithmReduceScalar(CScalar* scalarDestination, CAxis* axisSource, CReduceAxisToScalar* algo)
45 : CScalarAlgorithmTransformation(scalarDestination, axisSource),
46   reduction_(0)
47{
48  if (algo->operation.isEmpty())
49    ERROR("CScalarAlgorithmReduceScalar::CScalarAlgorithmReduceScalar(CAxis* axisDestination, CAxis* axisSource, CReduceAxisToScalar* algo)",
50           << "Operation must be defined."
51           << "Axis source " <<axisSource->getId() << std::endl
52           << "Scalar destination " << scalarDestination->getId());
53  StdString op = algo->operation;
54  if (CReductionAlgorithm::ReductionOperations.end() == CReductionAlgorithm::ReductionOperations.find(op))
55    ERROR("CScalarAlgorithmReduceScalar::CScalarAlgorithmReduceScalar(CAxis* axisDestination, CAxis* axisSource, CReduceAxisToScalar* algo)",
56       << "Operation '" << op << "' not found. Please make sure to use a supported one"
57       << "Axis source " <<axisSource->getId() << std::endl
58       << "Scalar destination " << scalarDestination->getId());
59
60  reduction_ = CReductionAlgorithm::createOperation(CReductionAlgorithm::ReductionOperations[op]);
61}
62
63void CScalarAlgorithmReduceScalar::apply(const std::vector<std::pair<int,double> >& localIndex,
64                                         const double* dataInput,
65                                         CArray<double,1>& dataOut,
66                                         std::vector<bool>& flagInitial,
67                                         const double& defaultValue)
68{
69  reduction_->apply(localIndex, dataInput, dataOut, flagInitial);
70}
71
72CScalarAlgorithmReduceScalar::~CScalarAlgorithmReduceScalar()
73{
74  if (0 != reduction_) delete reduction_;
75}
76
77void CScalarAlgorithmReduceScalar::computeIndexSourceMapping_(const std::vector<CArray<double,1>* >& dataAuxInputs)
78{
79  this->transformationMapping_.resize(1);
80  this->transformationWeight_.resize(1);
81
82  TransformationIndexMap& transMap = this->transformationMapping_[0];
83  TransformationWeightMap& transWeight = this->transformationWeight_[0];
84
85  CArray<int,1>& axisSrcIndex = axisSrc_->index;
86  int globalIndexSize = axisSrcIndex.numElements();
87
88  for (int idx = 0; idx < globalIndexSize; ++idx)
89  {
90    transMap[0].push_back(axisSrcIndex(idx));
91    transWeight[0].push_back(1.0);
92  }
93}
94
95}
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