[631] | 1 | /*! |
---|
| 2 | \file domain_algorithm_transformation.hpp |
---|
| 3 | \author Ha NGUYEN |
---|
| 4 | \since 02 Jul 2015 |
---|
| 5 | \date 02 Jul 2015 |
---|
| 6 | |
---|
| 7 | \brief Interface for all domain transformation algorithms. |
---|
| 8 | */ |
---|
| 9 | |
---|
| 10 | #include "domain_algorithm_transformation.hpp" |
---|
| 11 | |
---|
| 12 | namespace xios { |
---|
| 13 | |
---|
| 14 | CDomainAlgorithmTransformation::CDomainAlgorithmTransformation(CDomain* domainDestination, CDomain* domainSource) |
---|
| 15 | : CGenericAlgorithmTransformation(), domainDest_(domainDestination), domainSrc_(domainSource) |
---|
| 16 | { |
---|
| 17 | } |
---|
| 18 | |
---|
| 19 | CDomainAlgorithmTransformation::~CDomainAlgorithmTransformation() |
---|
| 20 | { |
---|
| 21 | } |
---|
| 22 | |
---|
| 23 | void CDomainAlgorithmTransformation::computeIndexSourceMapping() |
---|
| 24 | { |
---|
| 25 | } |
---|
| 26 | |
---|
| 27 | /*! |
---|
| 28 | Compute an array of global index from a global index on a domain |
---|
| 29 | \param[in] domainDestGlobalIndex global index on an domain of destination grid |
---|
| 30 | \param[in] domainSrcGlobalIndex global index on an domain of source grid (which are needed by one index on domain destination) |
---|
| 31 | \param[in] domainPositionInGrid position of the domain in the grid |
---|
| 32 | \param[in] gridDestGlobalDim dimension size of destination grid (it should share the same size for all dimension, maybe except the domain on which transformation is performed) |
---|
| 33 | \param[in] gridSrcGlobalDim dimension size of source grid (it should share the same size for all dimension, maybe except the domain on which transformation is performed) |
---|
| 34 | \param[in] globalIndexGridDestSendToServer global index of destination grid which are to be sent to server(s) |
---|
| 35 | \param[in/out] globalIndexDestGrid array of global index (for 2d grid, this array is a line, for 3d, this array represents a plan). It should be preallocated |
---|
| 36 | \param[in/out] globalIndexSrcGrid array of global index of source grid (for 2d grid, this array is a line, for 3d, this array represents a plan). It should be preallocated |
---|
| 37 | */ |
---|
| 38 | void CDomainAlgorithmTransformation::computeGlobalGridIndexFromGlobalIndexElement(int domainDestGlobalIndex, |
---|
| 39 | const std::vector<int>& domainSrcGlobalIndex, |
---|
| 40 | int domainPositionInGrid, |
---|
| 41 | const std::vector<int>& gridDestGlobalDim, |
---|
| 42 | const std::vector<int>& gridSrcGlobalDim, |
---|
| 43 | const CArray<size_t,1>& globalIndexGridDestSendToServer, |
---|
| 44 | CArray<size_t,1>& globalIndexDestGrid, |
---|
| 45 | std::vector<std::vector<size_t> >& globalIndexSrcGrid) |
---|
| 46 | { |
---|
| 47 | int globalDim = gridDestGlobalDim.size(); |
---|
| 48 | int numElement = globalDim - 1; |
---|
| 49 | int domainElementPosition = 0; |
---|
| 50 | std::vector<int> currentIndex(globalDim); |
---|
| 51 | std::vector<int> gridDomainGlobalDim(numElement), indexMap(numElement); |
---|
| 52 | std::vector<int> idxLoop(numElement, 0), domainSrcGlobalDim(2), domainDestGlobalDim(2); |
---|
| 53 | |
---|
| 54 | |
---|
| 55 | size_t ssize = 1, idx = 0, realGlobalIndexSize = 0; |
---|
| 56 | for (int i = 0; i< globalDim; ++i) |
---|
| 57 | { |
---|
| 58 | if (domainPositionInGrid == i) continue; |
---|
| 59 | if (domainPositionInGrid == (i+1)) |
---|
| 60 | { |
---|
| 61 | domainDestGlobalDim[0] = gridDestGlobalDim[i]; |
---|
| 62 | domainDestGlobalDim[1] = gridDestGlobalDim[i+1]; |
---|
| 63 | domainSrcGlobalDim[0] = gridSrcGlobalDim[i]; |
---|
| 64 | domainSrcGlobalDim[1] = gridSrcGlobalDim[i+1]; |
---|
| 65 | gridDomainGlobalDim[idx] = 1; |
---|
| 66 | domainElementPosition = idx; |
---|
| 67 | } |
---|
| 68 | else |
---|
| 69 | { |
---|
| 70 | gridDomainGlobalDim[idx] = gridDestGlobalDim[i]; |
---|
| 71 | } |
---|
| 72 | indexMap[idx] = i; |
---|
| 73 | ++idx; |
---|
| 74 | } |
---|
[663] | 75 | int iIndex = domainDestGlobalIndex % domainDestGlobalDim[0]; |
---|
[631] | 76 | int jIndex = domainDestGlobalIndex / domainDestGlobalDim[0]; |
---|
| 77 | |
---|
| 78 | for (int i = 0; i< numElement; ++i) ssize *= gridDomainGlobalDim[i]; |
---|
| 79 | |
---|
| 80 | CArray<size_t,1>::const_iterator itbArr = globalIndexGridDestSendToServer.begin(), itArr, |
---|
| 81 | iteArr = globalIndexGridDestSendToServer.end(); |
---|
| 82 | idx = 0; |
---|
| 83 | while (idx < ssize) |
---|
| 84 | { |
---|
| 85 | for (int i = 0; i < numElement; ++i) |
---|
| 86 | { |
---|
| 87 | if (idxLoop[i] == gridDomainGlobalDim[i]) |
---|
| 88 | { |
---|
| 89 | idxLoop[i] = 0; |
---|
| 90 | ++idxLoop[i+1]; |
---|
| 91 | } |
---|
| 92 | } |
---|
| 93 | |
---|
| 94 | for (int i = 0; i < numElement; ++i) |
---|
| 95 | { |
---|
| 96 | if (domainElementPosition == i) |
---|
| 97 | { |
---|
| 98 | currentIndex[indexMap[i]] = iIndex; |
---|
| 99 | currentIndex[indexMap[i]+1] = jIndex; |
---|
| 100 | } |
---|
| 101 | else |
---|
| 102 | currentIndex[indexMap[i]] = idxLoop[i]; |
---|
| 103 | } |
---|
| 104 | |
---|
| 105 | size_t globIndex = currentIndex[0]; |
---|
| 106 | size_t mulDim = 1; |
---|
| 107 | for (int k = 1; k < globalDim; ++k) |
---|
| 108 | { |
---|
| 109 | mulDim *= gridDestGlobalDim[k-1]; |
---|
| 110 | globIndex += (currentIndex[k])*mulDim; |
---|
| 111 | } |
---|
| 112 | |
---|
| 113 | itArr = std::find(itbArr, iteArr, globIndex); |
---|
| 114 | if (iteArr != itArr) ++realGlobalIndexSize; |
---|
| 115 | ++idxLoop[0]; |
---|
| 116 | ++idx; |
---|
| 117 | } |
---|
| 118 | |
---|
| 119 | if (globalIndexDestGrid.numElements() != realGlobalIndexSize) |
---|
| 120 | globalIndexDestGrid.resize(realGlobalIndexSize); |
---|
| 121 | |
---|
| 122 | if (realGlobalIndexSize != globalIndexSrcGrid.size()) globalIndexSrcGrid.resize(realGlobalIndexSize); |
---|
| 123 | for (int i = 0; i < globalIndexSrcGrid.size(); ++i) |
---|
| 124 | if (globalIndexSrcGrid[i].size() != domainSrcGlobalIndex.size()) |
---|
| 125 | globalIndexSrcGrid[i].resize(domainSrcGlobalIndex.size()); |
---|
| 126 | |
---|
| 127 | size_t realGlobalIndex = 0; |
---|
| 128 | idx = 0; |
---|
| 129 | idxLoop.assign(globalDim, 0); |
---|
| 130 | while (idx < ssize) |
---|
| 131 | { |
---|
| 132 | for (int i = 0; i < numElement; ++i) |
---|
| 133 | { |
---|
| 134 | if (idxLoop[i] == gridDomainGlobalDim[i]) |
---|
| 135 | { |
---|
| 136 | idxLoop[i] = 0; |
---|
| 137 | ++idxLoop[i+1]; |
---|
| 138 | } |
---|
| 139 | } |
---|
| 140 | |
---|
| 141 | for (int i = 0; i < numElement; ++i) |
---|
| 142 | { |
---|
| 143 | if (domainElementPosition == i) |
---|
| 144 | { |
---|
| 145 | currentIndex[indexMap[i]] = iIndex; |
---|
| 146 | currentIndex[indexMap[i]+1] = jIndex; |
---|
| 147 | } |
---|
| 148 | else |
---|
| 149 | currentIndex[indexMap[i]] = idxLoop[i]; |
---|
| 150 | } |
---|
| 151 | |
---|
| 152 | size_t globIndex = currentIndex[0]; |
---|
| 153 | size_t mulDim = 1; |
---|
| 154 | for (int k = 1; k < globalDim; ++k) |
---|
| 155 | { |
---|
| 156 | mulDim *= gridDestGlobalDim[k-1]; |
---|
| 157 | globIndex += (currentIndex[k])*mulDim; |
---|
| 158 | } |
---|
| 159 | |
---|
| 160 | itArr = std::find(itbArr, iteArr, globIndex); |
---|
| 161 | if (iteArr != itArr) |
---|
| 162 | { |
---|
| 163 | globalIndexDestGrid(realGlobalIndex) = globIndex; |
---|
| 164 | for (int i = 0; i < globalIndexSrcGrid[realGlobalIndex].size(); ++i) |
---|
| 165 | { |
---|
| 166 | domainGlobalIndex(domainSrcGlobalIndex[i], domainSrcGlobalDim[0], domainSrcGlobalDim[1], |
---|
| 167 | currentIndex[indexMap[domainElementPosition]], |
---|
| 168 | currentIndex[indexMap[domainElementPosition]+1]); |
---|
| 169 | |
---|
| 170 | globIndex = currentIndex[0]; |
---|
| 171 | mulDim = 1; |
---|
| 172 | for (int k = 1; k < globalDim; ++k) |
---|
| 173 | { |
---|
[657] | 174 | mulDim *= gridSrcGlobalDim[k-1]; |
---|
[631] | 175 | globIndex += (currentIndex[k])*mulDim; |
---|
| 176 | } |
---|
| 177 | (globalIndexSrcGrid[realGlobalIndex])[i] = globIndex; |
---|
| 178 | } |
---|
| 179 | ++realGlobalIndex; |
---|
| 180 | } |
---|
| 181 | |
---|
| 182 | ++idxLoop[0]; |
---|
| 183 | ++idx; |
---|
| 184 | } |
---|
| 185 | } |
---|
| 186 | |
---|
| 187 | void CDomainAlgorithmTransformation::domainGlobalIndex(const int& index, const int& niGlob, const int& njGlob, |
---|
| 188 | int& iIndex, int& jIndex) |
---|
| 189 | { |
---|
[663] | 190 | iIndex = index % niGlob; |
---|
[631] | 191 | jIndex = index / niGlob; |
---|
| 192 | } |
---|
| 193 | } |
---|