1 | /*! |
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2 | \file axis_algorithm_interpolate.cpp |
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3 | \author Ha NGUYEN |
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4 | \since 23 June 2015 |
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5 | \date 02 Jul 2015 |
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6 | |
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7 | \brief Algorithm for interpolation on an axis. |
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8 | */ |
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9 | #include "axis_algorithm_interpolate_coordinate.hpp" |
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10 | #include "axis.hpp" |
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11 | #include "interpolate_axis.hpp" |
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12 | #include <algorithm> |
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13 | #include <numeric> |
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14 | #include "context.hpp" |
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15 | #include "context_client.hpp" |
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16 | #include "utils.hpp" |
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17 | #include "grid.hpp" |
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18 | #include "grid_transformation_factory_impl.hpp" |
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19 | #include "distribution_client.hpp" |
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20 | #include "transform_filter.hpp" |
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21 | #include "timer.hpp" |
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22 | |
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23 | namespace xios |
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24 | { |
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25 | shared_ptr<CGenericAlgorithmTransformation> CAxisAlgorithmInterpolateCoordinate::create(bool isSource, CGrid* gridDst, CGrid* gridSrc, |
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26 | CTransformation<CAxis>* transformation, |
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27 | int elementPositionInGrid, |
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28 | std::map<int, int>& elementPositionInGridSrc2ScalarPosition, |
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29 | std::map<int, int>& elementPositionInGridSrc2AxisPosition, |
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30 | std::map<int, int>& elementPositionInGridSrc2DomainPosition, |
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31 | std::map<int, int>& elementPositionInGridDst2ScalarPosition, |
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32 | std::map<int, int>& elementPositionInGridDst2AxisPosition, |
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33 | std::map<int, int>& elementPositionInGridDst2DomainPosition) |
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34 | TRY |
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35 | { |
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36 | std::vector<CAxis*> axisListDestP = gridDst->getAxis(); |
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37 | std::vector<CAxis*> axisListSrcP = gridSrc->getAxis(); |
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38 | |
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39 | CInterpolateAxis* interpolateAxis = dynamic_cast<CInterpolateAxis*> (transformation); |
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40 | int axisDstIndex = elementPositionInGridDst2AxisPosition[elementPositionInGrid]; |
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41 | int axisSrcIndex = elementPositionInGridSrc2AxisPosition[elementPositionInGrid]; |
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42 | |
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43 | return make_shared<CAxisAlgorithmInterpolateCoordinate>(isSource, axisListDestP[axisDstIndex], axisListSrcP[axisSrcIndex], interpolateAxis); |
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44 | } |
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45 | CATCH |
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46 | |
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47 | bool CAxisAlgorithmInterpolateCoordinate::dummyRegistered_ = CAxisAlgorithmInterpolateCoordinate::registerTrans(); |
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48 | bool CAxisAlgorithmInterpolateCoordinate::registerTrans() |
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49 | TRY |
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50 | { |
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51 | return CGridTransformationFactory<CAxis>::registerTransformation(TRANS_INTERPOLATE_AXIS, create); |
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52 | } |
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53 | CATCH |
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54 | |
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55 | vector<string> CAxisAlgorithmInterpolateCoordinate::getAuxFieldId(void) |
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56 | { |
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57 | if (hasCoordinateSrc_ && hasCoordinateDest_) return {coordinateSrc_,coordinateDest_} ; |
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58 | else if (hasCoordinateSrc_) return {coordinateSrc_} ; |
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59 | else if (hasCoordinateDest_) return {coordinateDest_} ; |
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60 | else return vector<string>() ; |
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61 | } |
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62 | |
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63 | bool CAxisAlgorithmInterpolateCoordinate::transformAuxField(int pos) |
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64 | { |
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65 | if (pos==0) |
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66 | { |
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67 | if (hasCoordinateSrc_) return true ; |
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68 | else if(hasCoordinateDest_) return false ; |
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69 | } |
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70 | if (pos==1) return false ; |
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71 | |
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72 | MISSING_RETURN( "bool CAxisAlgorithmInterpolateCoordinate::transformAuxField(int pos)" ); |
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73 | return false; |
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74 | } |
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75 | |
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76 | CAxisAlgorithmInterpolateCoordinate::CAxisAlgorithmInterpolateCoordinate(bool isSource, CAxis* axisDestination, CAxis* axisSource, CInterpolateAxis* interpAxis) |
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77 | : CAlgorithmTransformationTransfer(isSource), axisSrc_(axisSource), axisDest_(axisDestination) |
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78 | TRY |
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79 | { |
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80 | interpAxis->checkValid(axisSource); |
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81 | axisDestination->checkAttributes() ; |
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82 | |
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83 | order_ = interpAxis->order.getValue(); |
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84 | |
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85 | if (interpAxis->extrapolate.isEmpty()) extrapolate_=true ; |
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86 | else extrapolate_=interpAxis->extrapolate ; |
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87 | |
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88 | if (!interpAxis->coordinate.isEmpty()) |
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89 | { |
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90 | coordinateSrc_ = interpAxis->coordinate.getValue(); |
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91 | hasCoordinate_=true ; |
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92 | hasCoordinateSrc_=true ; |
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93 | } |
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94 | |
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95 | if (!interpAxis->coordinate_src.isEmpty()) |
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96 | { |
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97 | coordinateSrc_ = interpAxis->coordinate_src.getValue(); |
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98 | hasCoordinate_=true ; |
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99 | hasCoordinateSrc_=true ; |
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100 | } |
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101 | |
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102 | if (!interpAxis->coordinate_dst.isEmpty()) |
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103 | { |
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104 | coordinateDest_ = interpAxis->coordinate_dst.getValue(); |
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105 | hasCoordinate_=true ; |
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106 | hasCoordinateDest_=true ; |
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107 | } |
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108 | |
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109 | ngloSrc_=axisSource->n_glo ; |
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110 | nDest_ = axisDest_-> getLocalView(CElementView::WORKFLOW)->getSize() ; |
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111 | |
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112 | if (!hasCoordinateDest_) |
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113 | { |
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114 | CArray<double,1> coord ; |
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115 | auto destConnector = make_shared<CLocalConnector>(axisDest_->getLocalView(CElementView::FULL), axisDest_->getLocalView(CElementView::WORKFLOW)) ; |
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116 | destConnector->computeConnector() ; |
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117 | destConnector->transfer(axisDest_->value, coord) ; |
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118 | destCoordinate_ = vector<double>(coord.dataFirst(), coord.dataFirst()+nDest_) ; |
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119 | } |
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120 | |
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121 | CArray<size_t,1> globalIndex(ngloSrc_) ; |
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122 | for(int i=0;i<ngloSrc_;i++) |
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123 | { |
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124 | transformationMapping_[i] = i ; |
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125 | globalIndex(i) = i ; |
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126 | } |
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127 | |
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128 | |
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129 | shared_ptr<CLocalElement> axisSourceGlo = make_shared<CLocalElement>(CContext::getCurrent()->getIntraCommRank(), ngloSrc_, globalIndex) ; |
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130 | axisSourceGlo->addFullView() ; |
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131 | |
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132 | this->computeAlgorithm(axisSource->getLocalView(CElementView::WORKFLOW), axisSourceGlo->getView(CElementView::FULL)) ; |
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133 | |
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134 | if (!hasCoordinateSrc_) |
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135 | { |
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136 | CArray<double,1> coord ; |
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137 | CArray<double,1> coordGlo ; |
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138 | auto srcConnector = make_shared<CLocalConnector>(axisSrc_->getLocalView(CElementView::FULL), axisSrc_->getLocalView(CElementView::WORKFLOW)) ; |
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139 | srcConnector->computeConnector() ; |
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140 | srcConnector->transfer(axisSrc_->value, coord) ; // full view value -> workflow value |
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141 | transferTransformConnector_ -> transfer(coord, coordGlo) ; // workflow view -> full global view |
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142 | srcCoordinate_ = vector<double>(coordGlo.dataFirst(), coordGlo.dataFirst()+ngloSrc_) ; |
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143 | } |
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144 | } |
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145 | CATCH |
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146 | |
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147 | CTransformFilter* CAxisAlgorithmInterpolateCoordinate::createTransformFilter(CGarbageCollector& gc, shared_ptr<CGridAlgorithm> algo, bool detectMissingValues, double defaultValue) |
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148 | { |
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149 | if (hasCoordinateSrc_ && hasCoordinateDest_) return new CTransformFilter(gc, 3, algo, detectMissingValues, defaultValue) ; |
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150 | else return new CTransformFilter(gc, 2, algo, detectMissingValues, defaultValue) ; |
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151 | } |
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152 | |
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153 | void CAxisAlgorithmInterpolateCoordinate::apply(int dimBefore, int dimAfter, const CArray<double,1>& dataIn, |
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154 | const vector<CArray<double,1>>& auxDataIn, CArray<double,1>& dataOut) |
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155 | { |
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156 | CArray<double,1> dataInTmp; |
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157 | CArray<double,1> auxDataInSrc ; |
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158 | transferTransformConnector_ -> transfer(dimBefore, dimAfter, dataIn, dataInTmp) ; |
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159 | if (hasCoordinateSrc_) transferTransformConnector_ -> transfer(dimBefore, dimAfter, auxDataIn[0], auxDataInSrc) ; |
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160 | |
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161 | |
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162 | dataOut.resize(dimBefore*dimAfter*nDest_) ; |
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163 | const double* pressureSrc ; |
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164 | const double* pressureDest ; |
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165 | if (hasCoordinateSrc_) pressureSrc = auxDataInSrc.dataFirst() ; |
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166 | if (hasCoordinateDest_ && hasCoordinateSrc_) pressureDest = auxDataIn[1].dataFirst() ; |
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167 | else if (hasCoordinateDest_ && !hasCoordinateSrc_ ) pressureDest = auxDataIn[0].dataFirst() ; |
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168 | |
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169 | const double* in = dataInTmp.dataFirst() ; |
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170 | double* out = dataOut.dataFirst() ; |
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171 | |
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172 | size_t sliceSrc = dimAfter*ngloSrc_ ; |
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173 | size_t sliceDest = dimAfter*nDest_ ; |
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174 | vector<double> srcCoordinate(ngloSrc_) ; |
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175 | vector<double> destCoordinate(nDest_) ; |
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176 | std::vector<int> srcIndex(ngloSrc_); |
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177 | vector<double> srcValue(ngloSrc_) ; |
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178 | vector<double> destValue(nDest_) ; |
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179 | std::vector<int> destIndex(nDest_); |
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180 | |
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181 | size_t nsrc, nDest ; |
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182 | |
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183 | for(size_t j=0, posJsrc=0, posJdest=0 ; j<dimBefore ; j++, posJsrc+=sliceSrc, posJdest+=sliceDest ) |
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184 | for(size_t k=0, posKsrc=posJsrc, posKdest=posJdest ; k<dimAfter ; k++, posKsrc++,posKdest++) |
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185 | { |
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186 | if (hasCoordinateSrc_) |
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187 | { |
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188 | nsrc=0 ; |
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189 | for(size_t i=0, posIsrc=posKsrc, posIdest=posKdest ; i<ngloSrc_ ; i++, posIsrc+=dimAfter, posIdest+=dimAfter) |
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190 | { |
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191 | if ( !( std::isnan(pressureSrc[posIsrc]) || std::isnan(in[posIsrc]) ) ) |
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192 | { |
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193 | srcCoordinate[nsrc]=pressureSrc[posIsrc] ; |
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194 | srcValue[nsrc] = in[posIsrc] ; |
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195 | nsrc++ ; |
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196 | } |
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197 | } |
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198 | } |
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199 | else |
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200 | { |
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201 | nsrc=0 ; |
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202 | for(size_t i=0, posIsrc=posKsrc ; i<ngloSrc_ ; i++, posIsrc+=dimAfter) |
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203 | { |
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204 | if ( !( std::isnan(srcCoordinate_[i]) || std::isnan(in[posIsrc]) ) ) |
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205 | { |
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206 | srcCoordinate[nsrc]=srcCoordinate_[i] ; |
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207 | srcValue[nsrc] = in[posIsrc] ; |
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208 | nsrc++ ; |
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209 | } |
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210 | } |
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211 | } |
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212 | |
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213 | if (hasCoordinateDest_) |
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214 | { |
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215 | nDest=0 ; |
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216 | for(size_t i=0, posIdest=posKdest ; i<nDest_ ; i++, posIdest+=dimAfter) |
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217 | { |
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218 | if ( !( std::isnan(pressureDest[posIdest]) ) ) |
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219 | { |
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220 | destCoordinate[nDest]=pressureDest[posIdest] ; |
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221 | nDest++ ; |
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222 | } |
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223 | } |
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224 | } |
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225 | else |
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226 | { |
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227 | nDest=0 ; |
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228 | for(size_t i=0, posIdest=posKdest ; i<nDest_ ; i++, posIdest+=dimAfter) |
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229 | { |
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230 | if ( !( std::isnan(destCoordinate[i]) ) ) |
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231 | { |
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232 | destCoordinate[nDest]=destCoordinate_[i] ; |
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233 | nDest++ ; |
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234 | } |
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235 | } |
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236 | } |
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237 | |
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238 | computeInterp(nsrc, srcCoordinate, srcValue, srcIndex, nDest, destCoordinate, destValue, destIndex) ; |
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239 | |
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240 | if (hasCoordinateDest_) |
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241 | { |
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242 | nDest=0 ; |
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243 | for(size_t i=0, posIdest=posKdest ; i<nDest_ ; i++, posIdest+=dimAfter) |
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244 | { |
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245 | if ( !( std::isnan(pressureDest[posIdest]) ) ) |
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246 | { |
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247 | out[posIdest] = destValue[nDest] ; |
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248 | nDest++ ; |
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249 | } |
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250 | else out[posIdest] = std::numeric_limits<double>::quiet_NaN() ; |
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251 | } |
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252 | } |
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253 | else |
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254 | { |
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255 | nDest=0 ; |
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256 | for(size_t i=0, posIdest=posKdest ; i<nDest_ ; i++, posIdest+=dimAfter) |
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257 | { |
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258 | if ( !( std::isnan(destCoordinate[i]) ) ) |
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259 | { |
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260 | out[posIdest] = destValue[nDest] ; |
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261 | nDest++ ; |
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262 | } |
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263 | else out[posIdest] = std::numeric_limits<double>::quiet_NaN() ; |
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264 | } |
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265 | } |
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266 | } |
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267 | } |
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268 | |
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269 | void CAxisAlgorithmInterpolateCoordinate::computeInterp(int nsrc, vector<double>& srcCoordinate, vector<double>& srcValue, vector<int>& srcIndex, |
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270 | int ndst, vector<double>& dstCoordinate, vector<double>& dstValue, vector<int>& dstIndex) |
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271 | { |
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272 | double x,y ; |
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273 | double d ; |
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274 | |
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275 | iota(srcIndex.data(), srcIndex.data()+nsrc, 0); // sort array and retrive sorted index |
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276 | stable_sort(srcIndex.data(), srcIndex.data()+nsrc, [&srcCoordinate](size_t i1, size_t i2) {return srcCoordinate[i1] < srcCoordinate[i2];}); |
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277 | |
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278 | iota(dstIndex.data(), dstIndex.data()+ndst, 0); |
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279 | stable_sort(dstIndex.data(), dstIndex.data()+ndst, [&dstCoordinate](size_t i1, size_t i2) {return dstCoordinate[i1] < dstCoordinate[i2];}); |
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280 | |
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281 | if (order_==1 || nsrc<=2) |
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282 | { |
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283 | if (nsrc<=1) dstValue.assign(ndst,std::numeric_limits<double>::quiet_NaN()); |
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284 | else |
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285 | { |
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286 | |
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287 | double x0,x1 ; |
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288 | double y0,y1 ; |
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289 | int lastj=0; |
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290 | |
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291 | for(int i=0; i < ndst;i++) |
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292 | { |
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293 | bool intrapolating( true ); |
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294 | x=dstCoordinate[dstIndex[i]] ; |
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295 | if ( x<=srcCoordinate[srcIndex[0]]) |
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296 | { |
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297 | lastj=0 ; |
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298 | intrapolating = false; |
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299 | } |
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300 | else if (x>=srcCoordinate[srcIndex[nsrc-1]]) |
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301 | { |
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302 | lastj=nsrc-2 ; |
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303 | intrapolating = false; |
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304 | } |
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305 | else |
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306 | { |
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307 | for(int j=lastj; j<nsrc; j++) |
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308 | { |
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309 | lastj=j ; |
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310 | if (x >= srcCoordinate[srcIndex[j]] && x<srcCoordinate[srcIndex[j+1]]) break ; |
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311 | } |
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312 | } |
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313 | if ((!extrapolate_) && (!intrapolating)) |
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314 | { |
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315 | dstValue[dstIndex[i]]= std::numeric_limits<double>::quiet_NaN() ; |
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316 | } |
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317 | else |
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318 | { |
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319 | x0=srcCoordinate[srcIndex[lastj]] ; |
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320 | x1=srcCoordinate[srcIndex[lastj+1]] ; |
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321 | y0=srcValue[srcIndex[lastj]] ; |
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322 | y1=srcValue[srcIndex[lastj+1]] ; |
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323 | y=((x-x1)*y0-(x-x0)*y1)/(x0-x1) ; |
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324 | dstValue[dstIndex[i]]=y ; |
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325 | } |
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326 | } |
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327 | } |
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328 | } |
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329 | else if (order_==2) |
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330 | { |
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331 | double x0,x1,x2 ; |
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332 | double y0,y1,y2 ; |
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333 | int lastj=0, cj ; |
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334 | |
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335 | for(int i=0; i < ndst;i++) |
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336 | { |
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337 | bool intrapolating( true ); |
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338 | x=dstCoordinate[dstIndex[i]] ; |
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339 | if ( x<=srcCoordinate[srcIndex[0]]) |
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340 | { |
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341 | lastj=0 ; |
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342 | intrapolating = false; |
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343 | } |
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344 | else if (x>=srcCoordinate[srcIndex[nsrc-1]]) |
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345 | { |
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346 | lastj=nsrc-2 ; |
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347 | intrapolating = false; |
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348 | } |
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349 | else |
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350 | { |
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351 | for(int j=lastj; j<nsrc; j++) |
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352 | { |
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353 | lastj=j ; |
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354 | if (x >= srcCoordinate[srcIndex[j]] && x<srcCoordinate[srcIndex[j+1]]) break ; |
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355 | } |
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356 | } |
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357 | |
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358 | if (lastj==0) cj=1 ; |
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359 | else if (lastj>=nsrc-2) cj=nsrc-2 ; |
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360 | else |
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361 | { |
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362 | if ( (x-srcCoordinate[srcIndex[lastj-1]]) > (srcCoordinate[srcIndex[lastj+2]]-x) ) cj=lastj ; |
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363 | else cj=lastj+1 ; |
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364 | } |
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365 | if ((!extrapolate_) && (!intrapolating)) |
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366 | { |
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367 | dstValue[dstIndex[i]]= std::numeric_limits<double>::quiet_NaN() ; |
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368 | } |
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369 | else |
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370 | { |
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371 | x0=srcCoordinate[srcIndex[cj-1]] ; |
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372 | x1=srcCoordinate[srcIndex[cj]] ; |
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373 | x2=srcCoordinate[srcIndex[cj+1]] ; |
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374 | y0=srcValue[srcIndex[cj-1]] ; |
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375 | y1=srcValue[srcIndex[cj]] ; |
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376 | y2=srcValue[srcIndex[cj+1]] ; |
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377 | |
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378 | y=y0*(x-x1)*(x-x2)/((x0-x1)*(x0-x2)) + y1*(x-x0)*(x-x2)/((x1-x0)*(x1-x2)) + y2*(x-x0)*(x-x1)/((x2-x0)*(x2-x1)) ; |
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379 | dstValue[dstIndex[i]]=y ; |
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380 | } |
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381 | |
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382 | } |
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383 | } |
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384 | } |
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385 | |
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386 | } |
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