1 | #ifndef __XIOS_CGrid__ |
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2 | #define __XIOS_CGrid__ |
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3 | |
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4 | /// XIOS headers /// |
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5 | #include "xios_spl.hpp" |
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6 | #include "group_factory.hpp" |
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7 | |
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8 | #include "declare_group.hpp" |
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9 | #include "domain.hpp" |
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10 | #include "axis.hpp" |
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11 | #include "scalar.hpp" |
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12 | #include "array_new.hpp" |
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13 | #include "attribute_array.hpp" |
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14 | #include "distribution_server.hpp" |
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15 | #include "client_server_mapping.hpp" |
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16 | #include "utils.hpp" |
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17 | #include "transformation_enum.hpp" |
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18 | |
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19 | namespace xios { |
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20 | |
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21 | /// ////////////////////// Déclarations ////////////////////// /// |
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22 | |
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23 | class CGridGroup; |
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24 | class CGridAttributes; |
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25 | class CDomainGroup; |
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26 | class CAxisGroup; |
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27 | class CScalarGroup; |
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28 | class CGrid; |
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29 | class CDistributionClient; |
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30 | class CDistributionServer; |
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31 | class CServerDistributionDescription; |
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32 | class CClientServerMapping; |
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33 | class CGridTransformation; |
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34 | |
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35 | ///-------------------------------------------------------------- |
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36 | |
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37 | // Declare/Define CGridAttribute |
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38 | BEGIN_DECLARE_ATTRIBUTE_MAP(CGrid) |
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39 | # include "grid_attribute.conf" |
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40 | END_DECLARE_ATTRIBUTE_MAP(CGrid) |
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41 | |
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42 | ///-------------------------------------------------------------- |
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43 | |
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44 | class CGrid |
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45 | : public CObjectTemplate<CGrid> |
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46 | , public CGridAttributes |
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47 | { |
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48 | /// typedef /// |
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49 | typedef CObjectTemplate<CGrid> SuperClass; |
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50 | typedef CGridAttributes SuperClassAttribute; |
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51 | |
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52 | public: |
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53 | |
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54 | typedef CGridAttributes RelAttributes; |
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55 | typedef CGridGroup RelGroup; |
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56 | |
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57 | enum EEventId |
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58 | { |
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59 | EVENT_ID_INDEX, EVENT_ID_ADD_DOMAIN, EVENT_ID_ADD_AXIS, EVENT_ID_ADD_SCALAR |
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60 | }; |
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61 | |
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62 | /// Constructeurs /// |
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63 | CGrid(void); |
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64 | explicit CGrid(const StdString& id); |
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65 | CGrid(const CGrid& grid); // Not implemented yet. |
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66 | CGrid(const CGrid* const grid); // Not implemented yet. |
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67 | |
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68 | /// Traitements /// |
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69 | // void solveReference(void); |
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70 | |
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71 | void checkEligibilityForCompressedOutput(); |
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72 | |
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73 | void solveDomainAxisRef(bool areAttributesChecked); |
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74 | |
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75 | void checkMaskIndex(bool doCalculateIndex); |
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76 | |
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77 | // virtual void toBinary (StdOStream& os) const; |
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78 | // virtual void fromBinary(StdIStream& is); |
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79 | |
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80 | void addRelFileCompressed(const StdString& filename); |
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81 | |
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82 | /// Tests /// |
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83 | bool isCompressible(void) const; |
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84 | bool isWrittenCompressed(const StdString& filename) const; |
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85 | |
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86 | public: |
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87 | |
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88 | /// Accesseurs /// |
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89 | StdSize getDimension(void); |
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90 | |
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91 | StdSize getDataSize(void) const; |
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92 | |
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93 | /// Entrées-sorties de champs |
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94 | template <int n> |
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95 | void inputField(const CArray<double,n>& field, CArray<double,1>& stored) const; |
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96 | template <int n> |
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97 | void outputField(const CArray<double,1>& stored, CArray<double,n>& field) const; |
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98 | template <int n> |
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99 | void uncompressField(const CArray<double,n>& data, CArray<double,1>& outData) const; |
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100 | |
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101 | virtual void parse(xml::CXMLNode& node); |
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102 | |
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103 | /// Destructeur /// |
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104 | virtual ~CGrid(void); |
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105 | |
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106 | public: |
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107 | |
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108 | /// Accesseurs statiques /// |
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109 | static StdString GetName(void); |
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110 | static StdString GetDefName(void); |
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111 | |
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112 | static ENodeType GetType(void); |
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113 | |
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114 | /// Instanciateurs Statiques /// |
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115 | static CGrid* createGrid(CDomain* domain); |
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116 | static CGrid* createGrid(CDomain* domain, CAxis* axis); |
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117 | static CGrid* createGrid(const std::vector<CDomain*>& domains, const std::vector<CAxis*>& axis, |
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118 | const CArray<int,1>& axisDomainOrder = CArray<int,1>()); |
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119 | static CGrid* createGrid(StdString id, const std::vector<CDomain*>& domains, const std::vector<CAxis*>& axis, |
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120 | const std::vector<CScalar*>& scalars, const CArray<int,1>& axisDomainOrder = CArray<int,1>()); |
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121 | static CGrid* createGrid(const std::vector<CDomain*>& domains, const std::vector<CAxis*>& axis, |
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122 | const std::vector<CScalar*>& scalars, const CArray<int,1>& axisDomainOrder); |
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123 | static StdString generateId(const std::vector<CDomain*>& domains, const std::vector<CAxis*>& axis, |
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124 | const std::vector<CScalar*>& scalars, const CArray<int,1>& axisDomainOrder = CArray<int,1>()); |
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125 | static StdString generateId(const CGrid* gridSrc, const CGrid* gridDest); |
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126 | static CGrid* cloneGrid(const StdString& idNewGrid, CGrid* gridSrc); |
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127 | |
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128 | public: |
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129 | void computeIndexServer(void); |
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130 | void computeIndex(void); |
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131 | void computeIndexScalarGrid(); |
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132 | void computeWrittenIndex(); |
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133 | |
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134 | void solveDomainRef(bool checkAtt); |
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135 | void solveAxisRef(bool checkAtt); |
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136 | void solveScalarRef(bool checkAtt); |
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137 | void solveDomainAxisRefInheritance(bool apply = true); |
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138 | void solveTransformations(); |
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139 | void solveDomainAxisBaseRef(); |
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140 | |
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141 | CDomain* addDomain(const std::string& id=StdString()); |
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142 | CAxis* addAxis(const std::string& id=StdString()); |
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143 | CScalar* addScalar(const std::string& id=StdString()); |
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144 | void sendAddDomain(const std::string& id=""); |
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145 | void sendAddAxis(const std::string& id=""); |
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146 | void sendAddScalar(const std::string& id=""); |
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147 | void sendAllDomains(); |
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148 | void sendAllAxis(); |
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149 | void sendAllScalars(); |
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150 | |
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151 | static void recvAddDomain(CEventServer& event); |
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152 | void recvAddDomain(CBufferIn& buffer); |
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153 | static void recvAddAxis(CEventServer& event); |
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154 | void recvAddAxis(CBufferIn& buffer); |
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155 | static void recvAddScalar(CEventServer& event); |
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156 | void recvAddScalar(CBufferIn& buffer); |
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157 | |
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158 | static bool dispatchEvent(CEventServer& event); |
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159 | static void recvIndex(CEventServer& event); |
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160 | void recvIndex(vector<int> ranks, vector<CBufferIn*> buffers); |
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161 | void sendIndex(void); |
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162 | void sendIndexScalarGrid(); |
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163 | |
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164 | void setContextClient(CContextClient* contextClient); |
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165 | |
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166 | void computeDomConServer(); |
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167 | std::map<int, int> getDomConServerSide(); |
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168 | std::map<int, StdSize> getAttributesBufferSize(CContextClient* client); |
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169 | std::map<int, StdSize> getDataBufferSize(CContextClient* client, const std::string& id = ""); |
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170 | std::vector<StdString> getDomainList(); |
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171 | std::vector<StdString> getAxisList(); |
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172 | std::vector<StdString> getScalarList(); |
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173 | std::vector<CDomain*> getDomains(); |
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174 | std::vector<CAxis*> getAxis(); |
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175 | std::vector<CScalar*> getScalars(); |
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176 | CDomain* getDomain(int domainIndex); |
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177 | CAxis* getAxis(int axisIndex); |
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178 | CScalar* getScalar(int scalarIndex); |
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179 | std::vector<int> getAxisOrder(); |
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180 | std::vector<int> getGlobalDimension(); |
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181 | bool isScalarGrid() const; |
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182 | |
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183 | bool doGridHaveDataToWrite(); |
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184 | bool doGridHaveDataDistributed(CContextClient* client = 0); |
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185 | size_t getWrittenDataSize() const; |
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186 | int getNumberWrittenIndexes() const; |
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187 | int getTotalNumberWrittenIndexes() const; |
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188 | int getOffsetWrittenIndexes() const; |
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189 | |
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190 | CDistributionServer* getDistributionServer(); |
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191 | CDistributionClient* getDistributionClient(); |
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192 | CGridTransformation* getTransformations(); |
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193 | |
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194 | void transformGrid(CGrid* transformGridSrc); |
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195 | void completeGrid(CGrid* transformGridSrc = 0); |
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196 | void doAutoDistribution(CGrid* transformGridSrc); |
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197 | bool isTransformed(); |
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198 | void setTransformed(); |
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199 | bool isGenerated(); |
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200 | void setGenerated(); |
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201 | void addTransGridSource(CGrid* gridSrc); |
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202 | std::map<CGrid*, std::pair<bool,StdString> >& getTransGridSource(); |
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203 | bool hasTransform(); |
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204 | size_t getGlobalWrittenSize(void) ; |
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205 | |
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206 | public: |
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207 | CArray<int, 1> storeIndex_client; |
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208 | |
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209 | /** Map containing indexes that will be sent in sendIndex(). */ |
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210 | std::map<CContextClient*, map<int, CArray<int, 1> > > storeIndex_toSrv; |
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211 | |
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212 | /** Map storing the number of senders. Key = size of receiver's intracomm */ |
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213 | std::map<int, std::map<int,int> > nbSenders; |
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214 | |
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215 | std::map<CContextClient*, std::map<int,int> > nbReadSenders; |
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216 | |
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217 | map<int, CArray<int, 1> > storeIndex_fromSrv; // Support, for now, reading with level-1 server |
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218 | |
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219 | map<int, CArray<size_t, 1> > outIndexFromClient; // Deprecated |
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220 | |
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221 | map<int, CArray<size_t, 1> > compressedOutIndexFromClient; |
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222 | |
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223 | /** Map storing received indexes. Key = sender rank, value = index array. */ |
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224 | map<int, CArray<size_t, 1> > outGlobalIndexFromClient; |
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225 | |
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226 | // Manh Ha's comment: " A client receives global index from other clients (via recvIndex) |
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227 | // then does mapping these index into local index of STORE_CLIENTINDEX |
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228 | // In this way, store_clientIndex can be used as an input of a source filter |
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229 | // Maybe we need a flag to determine whether a client wants to write. TODO " |
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230 | |
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231 | /** Map storing received data. Key = sender rank, value = data array. |
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232 | * The map is created in CGrid::computeClientIndex and filled upon receiving data in CField::recvUpdateData() */ |
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233 | map<int, CArray<size_t, 1> > outLocalIndexStoreOnClient; |
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234 | |
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235 | /** Indexes calculated based on server-like distribution. |
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236 | * They are used for writing/reading data and only calculated for server level that does the writing/reading. |
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237 | * Along with localIndexToWriteOnClient, these indexes are used to correctly place incoming data. */ |
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238 | CArray<size_t,1> localIndexToWriteOnServer; |
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239 | |
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240 | /** Indexes calculated based on client-like distribution. |
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241 | * They are used for writing/reading data and only calculated for server level that does the writing/reading. |
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242 | * Along with localIndexToWriteOnServer, these indexes are used to correctly place incoming data. */ |
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243 | CArray<size_t,1> localIndexToWriteOnClient; |
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244 | |
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245 | CArray<size_t,1> indexFromClients; |
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246 | |
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247 | void checkMask(void); |
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248 | void createMask(void); |
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249 | void modifyMask(const CArray<int,1>& indexToModify, bool valueToModify = false); |
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250 | void modifyMaskSize(const std::vector<int>& newDimensionSize, bool newValue = false); |
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251 | |
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252 | void computeGridGlobalDimension(const std::vector<CDomain*>& domains, |
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253 | const std::vector<CAxis*>& axis, |
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254 | const std::vector<CScalar*>& scalars, |
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255 | const CArray<int,1>& axisDomainOrder); |
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256 | |
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257 | private: |
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258 | template<int N> |
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259 | void checkGridMask(CArray<bool,N>& gridMask, |
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260 | const std::vector<CArray<bool,1>* >& domainMasks, |
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261 | const std::vector<CArray<bool,1>* >& axisMasks, |
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262 | const CArray<int,1>& axisDomainOrder, |
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263 | bool createMask = false); |
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264 | template<int N> |
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265 | void modifyGridMask(CArray<bool,N>& gridMask, const CArray<int,1>& indexToModify, bool valueToModify); |
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266 | |
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267 | template<int N> |
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268 | void modifyGridMaskSize(CArray<bool,N>& gridMask, const std::vector<int>& eachDimSize, bool newValue); |
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269 | |
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270 | void storeField_arr(const double* const data, CArray<double, 1>& stored) const; |
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271 | void restoreField_arr(const CArray<double, 1>& stored, double* const data) const; |
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272 | void uncompressField_arr(const double* const data, CArray<double, 1>& outData) const; |
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273 | |
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274 | void setVirtualDomainGroup(CDomainGroup* newVDomainGroup); |
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275 | void setVirtualAxisGroup(CAxisGroup* newVAxisGroup); |
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276 | void setVirtualScalarGroup(CScalarGroup* newVScalarGroup); |
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277 | |
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278 | void setDomainList(const std::vector<CDomain*> domains = std::vector<CDomain*>()); |
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279 | void setAxisList(const std::vector<CAxis*> axis = std::vector<CAxis*>()); |
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280 | void setScalarList(const std::vector<CScalar*> scalars = std::vector<CScalar*>()); |
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281 | |
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282 | CDomainGroup* getVirtualDomainGroup() const; |
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283 | CAxisGroup* getVirtualAxisGroup() const; |
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284 | CScalarGroup* getVirtualScalarGroup() const; |
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285 | |
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286 | void checkAttributesAfterTransformation(); |
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287 | void setTransformationAlgorithms(); |
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288 | void computeIndexByElement(const std::vector<boost::unordered_map<size_t,std::vector<int> > >& indexServerOnElement, |
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289 | const CContextClient* client, |
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290 | CClientServerMapping::GlobalIndexMap& globalIndexOnServer); |
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291 | int computeGridGlobalDimension(std::vector<int>& globalDim, |
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292 | const std::vector<CDomain*> domains, |
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293 | const std::vector<CAxis*> axis, |
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294 | const std::vector<CScalar*> scalars, |
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295 | const CArray<int,1>& axisDomainOrder); |
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296 | int getDistributedDimension(); |
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297 | |
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298 | void computeClientIndex(); |
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299 | void computeConnectedClients(); |
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300 | void computeClientIndexScalarGrid(); |
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301 | void computeConnectedClientsScalarGrid(); |
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302 | |
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303 | private: |
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304 | |
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305 | /** Clients that have to send a grid. There can be multiple clients in case of secondary server, otherwise only one client. */ |
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306 | std::set<CContextClient*> clients; |
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307 | |
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308 | bool isChecked; |
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309 | bool isDomainAxisChecked; |
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310 | bool isIndexSent; |
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311 | |
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312 | CDomainGroup* vDomainGroup_; |
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313 | CAxisGroup* vAxisGroup_; |
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314 | CScalarGroup* vScalarGroup_; |
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315 | std::vector<std::string> axisList_, domList_, scalarList_; |
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316 | bool isAxisListSet, isDomListSet, isScalarListSet; |
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317 | |
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318 | /** Client-like distribution calculated based on the knowledge of the entire grid */ |
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319 | CDistributionClient* clientDistribution_; |
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320 | |
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321 | /** Server-like distribution calculated upon receiving indexes */ |
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322 | CDistributionServer* serverDistribution_; |
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323 | |
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324 | CClientServerMapping* clientServerMap_; |
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325 | size_t writtenDataSize_; |
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326 | int numberWrittenIndexes_, totalNumberWrittenIndexes_, offsetWrittenIndexes_; |
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327 | |
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328 | /** Map storing local ranks of connected receivers. Key = size of receiver's intracomm */ |
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329 | std::map<int, std::vector<int> > connectedServerRank_; |
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330 | |
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331 | /** Map storing the size of data to be send. Key = size of receiver's intracomm */ |
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332 | std::map<int, std::map<int,size_t> > connectedDataSize_; |
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333 | |
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334 | bool isDataDistributed_; |
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335 | //! True if and only if the data defined on the grid can be outputted in a compressed way |
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336 | bool isCompressible_; |
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337 | std::set<std::string> relFilesCompressed; |
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338 | |
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339 | bool isTransformed_, isGenerated_; |
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340 | bool computedWrittenIndex_; |
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341 | std::vector<int> axisPositionInGrid_; |
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342 | CGridTransformation* transformations_; |
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343 | bool hasDomainAxisBaseRef_; |
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344 | std::map<CGrid*, std::pair<bool,StdString> > gridSrc_; |
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345 | bool hasTransform_; |
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346 | |
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347 | /** Map storing global indexes of server-like (band-wise) distribution for sending to receivers. |
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348 | * Key = size of receiver's intracomm. |
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349 | */ |
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350 | // std::map<CContextClient*, CClientServerMapping::GlobalIndexMap> globalIndexOnServer_; |
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351 | std::map<int, CClientServerMapping::GlobalIndexMap> globalIndexOnServer_; |
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352 | |
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353 | |
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354 | /** List order of axis and domain in a grid, if there is a domain, it will take value 1 (true), axis 0 (false) */ |
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355 | std::vector<int> order_; |
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356 | |
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357 | }; // class CGrid |
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358 | |
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359 | ///-------------------------------------------------------------- |
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360 | |
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361 | template <int n> |
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362 | void CGrid::inputField(const CArray<double,n>& field, CArray<double,1>& stored) const |
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363 | { |
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364 | //#ifdef __XIOS_DEBUG |
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365 | if (this->getDataSize() != field.numElements()) |
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366 | ERROR("void CGrid::inputField(const CArray<double,n>& field, CArray<double,1>& stored) const", |
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367 | << "[ Awaiting data of size = " << this->getDataSize() << ", " |
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368 | << "Received data size = " << field.numElements() << " ] " |
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369 | << "The data array does not have the right size! " |
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370 | << "Grid = " << this->GetName()) |
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371 | //#endif |
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372 | this->storeField_arr(field.dataFirst(), stored); |
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373 | } |
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374 | |
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375 | template <int n> |
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376 | void CGrid::outputField(const CArray<double,1>& stored, CArray<double,n>& field) const |
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377 | { |
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378 | //#ifdef __XIOS_DEBUG |
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379 | if (this->getDataSize() != field.numElements()) |
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380 | ERROR("void CGrid::outputField(const CArray<double,1>& stored, CArray<double,n>& field) const", |
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381 | << "[ Size of the data = " << this->getDataSize() << ", " |
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382 | << "Output data size = " << field.numElements() << " ] " |
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383 | << "The ouput array does not have the right size! " |
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384 | << "Grid = " << this->GetName()) |
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385 | //#endif |
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386 | this->restoreField_arr(stored, field.dataFirst()); |
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387 | } |
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388 | |
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389 | /*! |
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390 | This function removes the effect of mask on received data on the server. |
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391 | This function only serve for the checking purpose. TODO: Something must be done to seperate mask and data_index from each other in received data |
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392 | \data data received data with masking effect on the server |
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393 | \outData data without masking effect |
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394 | */ |
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395 | template <int N> |
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396 | void CGrid::uncompressField(const CArray<double,N>& data, CArray<double,1>& outData) const |
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397 | { |
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398 | uncompressField_arr(data.dataFirst(), outData); |
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399 | } |
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400 | |
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401 | template<int N> |
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402 | void CGrid::checkGridMask(CArray<bool,N>& gridMask, |
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403 | const std::vector<CArray<bool,1>* >& domainMasks, |
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404 | const std::vector<CArray<bool,1>* >& axisMasks, |
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405 | const CArray<int,1>& axisDomainOrder, |
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406 | bool createMask) |
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407 | { |
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408 | int idx = 0; |
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409 | int numElement = axisDomainOrder.numElements(); |
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410 | int dim = domainMasks.size() * 2 + axisMasks.size(); |
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411 | std::vector<CDomain*> domainP = this->getDomains(); |
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412 | |
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413 | std::vector<int> idxLoop(dim,0), indexMap(numElement), eachDimSize(dim); |
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414 | std::vector<int> currentIndex(dim); |
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415 | int idxDomain = 0, idxAxis = 0; |
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416 | for (int i = 0; i < numElement; ++i) |
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417 | { |
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418 | indexMap[i] = idx; |
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419 | if (2 == axisDomainOrder(i)) { |
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420 | eachDimSize[indexMap[i]] = domainP[idxDomain]->ni; |
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421 | eachDimSize[indexMap[i]+1] = domainP[idxDomain]->nj; |
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422 | idx += 2; ++idxDomain; |
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423 | } |
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424 | else if (1 == axisDomainOrder(i)) { |
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425 | eachDimSize[indexMap[i]] = axisMasks[idxAxis]->numElements(); |
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426 | ++idx; ++idxAxis; |
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427 | } |
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428 | else {}; |
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429 | } |
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430 | |
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431 | if (!gridMask.isEmpty() && !createMask) |
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432 | { |
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433 | for (int i = 0; i < dim; ++i) |
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434 | { |
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435 | if (gridMask.extent(i) != eachDimSize[i]) |
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436 | ERROR("CGrid::checkMask(void)", |
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437 | << "The mask has one dimension whose size is different from the one of the local grid." << std::endl |
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438 | << "Local size of dimension " << i << " is " << eachDimSize[i] << "." << std::endl |
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439 | << "Mask size for dimension " << i << " is " << gridMask.extent(i) << "." << std::endl |
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440 | << "Grid = " << this->GetName()) |
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441 | } |
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442 | } |
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443 | else { |
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444 | CArrayBoolTraits<CArray<bool,N> >::resizeArray(gridMask,eachDimSize); |
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445 | gridMask = true; |
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446 | } |
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447 | |
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448 | int ssize = gridMask.numElements(); |
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449 | idx = 0; |
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450 | while (idx < ssize) |
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451 | { |
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452 | for (int i = 0; i < dim-1; ++i) |
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453 | { |
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454 | if (idxLoop[i] == eachDimSize[i]) |
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455 | { |
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456 | idxLoop[i] = 0; |
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457 | ++idxLoop[i+1]; |
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458 | } |
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459 | } |
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460 | |
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461 | // Find out outer index |
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462 | idxDomain = idxAxis = 0; |
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463 | bool maskValue = true; |
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464 | for (int i = 0; i < numElement; ++i) |
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465 | { |
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466 | if (2 == axisDomainOrder(i)) |
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467 | { |
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468 | maskValue = maskValue && (*domainMasks[idxDomain])(idxLoop[indexMap[i]] + idxLoop[indexMap[i]+1] * eachDimSize[indexMap[i]]); |
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469 | ++idxDomain; |
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470 | } |
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471 | else if (1 == axisDomainOrder(i)) |
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472 | { |
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473 | maskValue = maskValue && (*axisMasks[idxAxis])(idxLoop[indexMap[i]]); |
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474 | ++idxAxis; |
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475 | } |
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476 | } |
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477 | |
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478 | int maskIndex = idxLoop[0]; |
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479 | int mulDim = 1; |
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480 | for (int k = 1; k < dim; ++k) |
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481 | { |
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482 | mulDim *= eachDimSize[k-1]; |
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483 | maskIndex += idxLoop[k]*mulDim; |
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484 | } |
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485 | *(gridMask.dataFirst()+maskIndex) &= maskValue; |
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486 | |
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487 | ++idxLoop[0]; |
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488 | ++idx; |
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489 | } |
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490 | |
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491 | } |
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492 | |
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493 | template<int N> |
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494 | void CGrid::modifyGridMaskSize(CArray<bool,N>& gridMask, |
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495 | const std::vector<int>& eachDimSize, |
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496 | bool newValue) |
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497 | { |
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498 | if (N != eachDimSize.size()) |
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499 | { |
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500 | // ERROR("CGrid::modifyGridMaskSize(CArray<bool,N>& gridMask, |
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501 | // const std::vector<int>& eachDimSize, |
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502 | // bool newValue)", |
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503 | // << "Dimension size of the mask is different from input dimension size." << std::endl |
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504 | // << "Mask dimension is " << N << "." << std::endl |
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505 | // << "Input dimension is " << eachDimSize.size() << "." << std::endl |
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506 | // << "Grid = " << this->GetName()) |
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507 | } |
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508 | CArrayBoolTraits<CArray<bool,N> >::resizeArray(gridMask,eachDimSize); |
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509 | gridMask = newValue; |
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510 | } |
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511 | |
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512 | |
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513 | /*! |
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514 | Modify the current mask of grid, the local index to be modified will take value false |
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515 | \param [in/out] gridMask current mask of grid |
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516 | \param [in] indexToModify local index to modify |
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517 | */ |
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518 | template<int N> |
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519 | void CGrid::modifyGridMask(CArray<bool,N>& gridMask, const CArray<int,1>& indexToModify, bool valueToModify) |
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520 | { |
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521 | int num = indexToModify.numElements(); |
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522 | for (int idx = 0; idx < num; ++idx) |
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523 | { |
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524 | *(gridMask.dataFirst()+indexToModify(idx)) = valueToModify; |
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525 | } |
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526 | } |
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527 | ///-------------------------------------------------------------- |
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528 | |
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529 | // Declare/Define CGridGroup and CGridDefinition |
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530 | DECLARE_GROUP(CGrid); |
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531 | |
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532 | ///-------------------------------------------------------------- |
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533 | |
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534 | } // namespace xios |
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535 | |
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536 | #endif // __XIOS_CGrid__ |
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