[2519] | 1 | #include <iostream> |
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| 2 | #include <casa/Utilities/GenSort.h> |
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| 3 | #include <casa/Arrays/Vector.h> |
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| 4 | #include <casa/Arrays/Matrix.h> |
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| 5 | #include <casa/Arrays/ArrayMath.h> |
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| 6 | #include <casa/Arrays/ArrayIO.h> |
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| 7 | #include <tables/Tables/ScalarColumn.h> |
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| 8 | #include "STIdxIter.h" |
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| 9 | |
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| 10 | namespace asap { |
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| 11 | |
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[2533] | 12 | IndexIterator::IndexIterator( IPosition &shape ) |
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| 13 | : niter_m( 0 ) |
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[2519] | 14 | { |
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[2533] | 15 | nfield_m = shape.nelements() ; |
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[2536] | 16 | prod_m.resize( nfield_m ) ; |
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| 17 | idx_m.resize( nfield_m ) ; |
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| 18 | prod_m[0] = 1 ; |
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| 19 | idx_m[0] = 0 ; |
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[2519] | 20 | for ( uInt i = 1 ; i < nfield_m ; i++ ) { |
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[2533] | 21 | prod_m[i] = shape[i-1] * prod_m[i-1] ; |
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[2536] | 22 | idx_m[i] = 0 ; |
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[2519] | 23 | } |
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[2533] | 24 | maxiter_m = prod_m[nfield_m-1] * shape[nfield_m-1] ; |
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[2519] | 25 | // cout << "maxiter_m=" << maxiter_m << endl ; |
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| 26 | } |
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| 27 | |
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| 28 | Bool IndexIterator::pastEnd() |
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| 29 | { |
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| 30 | return niter_m >= maxiter_m ; |
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| 31 | } |
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| 32 | |
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| 33 | void IndexIterator::next() |
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| 34 | { |
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| 35 | niter_m++ ; |
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| 36 | uInt x = niter_m ; |
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| 37 | for ( Int i = nfield_m-1 ; i >= 0 ; i-- ) { |
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| 38 | idx_m[i] = x / prod_m[i] ; |
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| 39 | //cout << "i=" << i << ": prod=" << prod_m[i] |
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| 40 | // << ", idx=" << idx_m[i] << endl ; |
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| 41 | x %= prod_m[i] ; |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | ArrayIndexIterator::ArrayIndexIterator( Matrix<uInt> &arr, |
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| 46 | vector< vector<uInt> > idlist ) |
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[2533] | 47 | : arr_m( arr ), |
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[2536] | 48 | pos_m( 1 ) |
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[2519] | 49 | { |
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| 50 | ncol_m = arr_m.ncolumn() ; |
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| 51 | nrow_m = arr_m.nrow() ; |
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| 52 | vector< vector<uInt> > l = idlist ; |
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| 53 | if ( l.size() != ncol_m ) { |
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| 54 | l.resize( ncol_m ) ; |
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| 55 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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| 56 | Vector<uInt> a( arr_m.column( i ).copy() ) ; |
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| 57 | uInt n = genSort( a, Sort::Ascending, Sort::QuickSort|Sort::NoDuplicates ) ; |
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| 58 | a.resize(n,True) ; |
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| 59 | a.tovector( l[i] ) ; |
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| 60 | } |
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| 61 | } |
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[2533] | 62 | idxlist_m = l ; |
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| 63 | IPosition shape( ncol_m ) ; |
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| 64 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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| 65 | shape[i] = idxlist_m[i].size() ; |
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| 66 | } |
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[2536] | 67 | // cout << "shape=" << shape << endl ; |
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[2533] | 68 | iter_m = new IndexIterator( shape ) ; |
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| 69 | current_m.resize( ncol_m ) ; |
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[2519] | 70 | } |
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| 71 | |
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| 72 | ArrayIndexIterator::~ArrayIndexIterator() |
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| 73 | { |
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| 74 | delete iter_m ; |
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| 75 | } |
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| 76 | |
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| 77 | Vector<uInt> ArrayIndexIterator::current() |
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| 78 | { |
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[2533] | 79 | Block<uInt> idx = iter_m->current() ; |
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| 80 | for ( uInt i = 0 ; i < ncol_m ; i++ ) |
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| 81 | current_m[i] = idxlist_m[i][idx[i]] ; |
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| 82 | return current_m ; |
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[2519] | 83 | } |
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| 84 | |
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| 85 | Bool ArrayIndexIterator::pastEnd() |
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| 86 | { |
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| 87 | return iter_m->pastEnd() ; |
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| 88 | } |
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| 89 | |
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| 90 | ArrayIndexIteratorNormal::ArrayIndexIteratorNormal( Matrix<uInt> &arr, |
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| 91 | vector< vector<uInt> > idlist ) |
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[2533] | 92 | : ArrayIndexIterator( arr, idlist ) |
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[2519] | 93 | { |
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| 94 | storage_m.resize( nrow_m ) ; |
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| 95 | } |
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| 96 | |
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| 97 | void ArrayIndexIteratorNormal::next() |
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| 98 | { |
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| 99 | iter_m->next() ; |
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| 100 | } |
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| 101 | |
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[2524] | 102 | Vector<uInt> ArrayIndexIteratorNormal::getRows( StorageInitPolicy policy ) |
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[2519] | 103 | { |
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| 104 | Vector<uInt> v = current() ; |
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| 105 | uInt len = 0 ; |
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| 106 | uInt *p = storage_m.storage() ; |
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| 107 | for ( uInt i = 0 ; i < nrow_m ; i++ ) { |
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| 108 | if ( allEQ( v, arr_m.row( i ) ) ) { |
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| 109 | *p = i ; |
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| 110 | len++ ; |
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| 111 | p++ ; |
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| 112 | } |
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| 113 | } |
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| 114 | pos_m[0] = len ; |
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| 115 | p = storage_m.storage() ; |
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[2524] | 116 | return Vector<uInt>( pos_m, p, policy ) ; |
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[2519] | 117 | } |
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| 118 | |
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| 119 | ArrayIndexIteratorAcc::ArrayIndexIteratorAcc( Matrix<uInt> &arr, |
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| 120 | vector< vector<uInt> > idlist ) |
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[2533] | 121 | : ArrayIndexIterator( arr, idlist ) |
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[2519] | 122 | { |
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| 123 | storage_m.resize( arr_m.nelements()+nrow_m ) ; |
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[2536] | 124 | uInt *p = storage_m.storage() + arr_m.nelements() ; |
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[2519] | 125 | for ( uInt i = 0 ; i < nrow_m ; i++ ) { |
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[2536] | 126 | *p = i ; |
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| 127 | p++ ; |
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[2519] | 128 | } |
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| 129 | len_m.resize( ncol_m+1 ) ; |
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[2536] | 130 | p = len_m.storage() ; |
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[2519] | 131 | for ( uInt i = 0 ; i < ncol_m+1 ; i++ ) { |
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[2536] | 132 | *p = nrow_m ; |
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| 133 | p++ ; |
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[2519] | 134 | // cout << "len[" << i << "]=" << len_m[i] << endl ; |
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| 135 | } |
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[2536] | 136 | prev_m = iter_m->current() ; |
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| 137 | p = prev_m.storage() ; |
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| 138 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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| 139 | *p = *p - 1 ; |
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| 140 | p++ ; |
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| 141 | } |
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| 142 | // cout << "prev_m=" << Vector<uInt>(IPosition(1,ncol_m),prev_m.storage()) << endl ; |
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| 143 | skip_m.resize( ncol_m ) ; |
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| 144 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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| 145 | skip_m[i] = (Bool)(idxlist_m[i].size()==1) ; |
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| 146 | // cout << "skip_m[" << i << "]=" << skip_m[i] << endl ; |
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| 147 | } |
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[2519] | 148 | } |
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| 149 | |
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| 150 | void ArrayIndexIteratorAcc::next() |
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| 151 | { |
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[2536] | 152 | prev_m = iter_m->current() ; |
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[2519] | 153 | iter_m->next() ; |
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| 154 | } |
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| 155 | |
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[2524] | 156 | Vector<uInt> ArrayIndexIteratorAcc::getRows( StorageInitPolicy policy ) |
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[2519] | 157 | { |
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[2536] | 158 | Block<uInt> v = iter_m->current() ; |
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[2519] | 159 | Int c = isChanged( v ) ; |
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| 160 | // cout << "c=" << c << endl ; |
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| 161 | if ( c < 0 ) { |
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| 162 | pos_m[0] = len_m[0] ; |
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[2536] | 163 | uInt offset = 0 ; |
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| 164 | while( offset <= ncol_m && !(skip_m[offset]) ) |
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| 165 | offset++ ; |
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| 166 | // cout << "offset=" << offset << endl ; |
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| 167 | return Vector<uInt>( pos_m, storage_m.storage()+offset*nrow_m, policy ) ; |
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[2519] | 168 | } |
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| 169 | uInt *base = storage_m.storage() + (c+1) * nrow_m ; |
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| 170 | // cout << "len_m[c+1]=" << len_m[c+1] << endl ; |
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| 171 | // cout << "base=" << Vector<uInt>(IPosition(1,len_m[c+1]),base,SHARE) << endl ; |
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| 172 | for ( Int i = c ; i >= 0 ; i-- ) { |
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[2536] | 173 | base = updateStorage( i, base, idxlist_m[i][v[i]] ) ; |
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[2519] | 174 | // cout << "len_m[" << i << "]=" << len_m[i] << endl ; |
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| 175 | // cout << "base=" << Vector<uInt>(IPosition(1,len_m[i]),base,SHARE) << endl ; |
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| 176 | } |
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| 177 | pos_m[0] = len_m[0] ; |
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[2536] | 178 | return Vector<uInt>( pos_m, base, policy ) ; |
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[2519] | 179 | } |
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| 180 | |
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[2536] | 181 | Int ArrayIndexIteratorAcc::isChanged( Block<uInt> &idx ) |
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[2519] | 182 | { |
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| 183 | Int i = ncol_m - 1 ; |
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| 184 | while( i >= 0 && idx[i] == prev_m[i] ) |
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| 185 | i-- ; |
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| 186 | return i ; |
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| 187 | } |
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| 188 | |
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| 189 | uInt *ArrayIndexIteratorAcc::updateStorage( Int &icol, |
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| 190 | uInt *base, |
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| 191 | uInt &v ) |
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| 192 | { |
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[2536] | 193 | uInt *p ; |
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| 194 | if ( skip_m[icol] ) { |
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| 195 | // skip update, just update len_m[icol] and pass appropriate pointer |
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| 196 | // cout << "skip " << icol << endl ; |
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| 197 | p = base ; |
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| 198 | len_m[icol] = len_m[icol+1] ; |
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| 199 | } |
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| 200 | else { |
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| 201 | uInt len = 0 ; |
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| 202 | p = storage_m.storage() + icol * nrow_m ; |
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| 203 | uInt *work = p ; |
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| 204 | Bool b ; |
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| 205 | const uInt *arr_p = arr_m.getStorage( b ) ; |
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| 206 | long offset = 0 ; |
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| 207 | // warr_p points a first element of (icol)-th column |
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| 208 | const uInt *warr_p = arr_p + icol * nrow_m ; |
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| 209 | for ( uInt i = 0 ; i < len_m[icol+1] ; i++ ) { |
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| 210 | // increment warr_p by (*(base)-*(base-1)) |
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| 211 | warr_p += *base - offset ; |
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| 212 | // check if target element is equal to value specified |
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| 213 | if ( *warr_p == v ) { |
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| 214 | // then, add current index to storage_m |
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| 215 | // cout << "add " << *base << endl ; |
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| 216 | *work = *base ; |
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| 217 | len++ ; |
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| 218 | work++ ; |
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| 219 | } |
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| 220 | // update offset |
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| 221 | offset = *base ; |
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| 222 | // next index |
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| 223 | base++ ; |
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[2519] | 224 | } |
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[2536] | 225 | arr_m.freeStorage( arr_p, b ) ; |
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| 226 | len_m[icol] = len ; |
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[2519] | 227 | } |
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| 228 | return p ; |
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| 229 | } |
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| 230 | |
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| 231 | STIdxIter::STIdxIter() |
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| 232 | { |
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| 233 | iter_m = 0 ; |
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| 234 | } |
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| 235 | |
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| 236 | STIdxIter::STIdxIter( const string &name, |
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| 237 | const vector<string> &cols ) |
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| 238 | { |
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| 239 | } |
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| 240 | |
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| 241 | STIdxIter::STIdxIter( const CountedPtr<Scantable> &s, |
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| 242 | const vector<string> &cols ) |
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| 243 | { |
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| 244 | } |
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| 245 | |
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| 246 | STIdxIter::~STIdxIter() |
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| 247 | { |
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| 248 | if ( iter_m != 0 ) |
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| 249 | delete iter_m ; |
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| 250 | } |
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| 251 | |
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| 252 | vector<uInt> STIdxIter::tovector( Vector<uInt> v ) |
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| 253 | { |
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| 254 | vector<uInt> ret ; |
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| 255 | v.tovector( ret ) ; |
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| 256 | return ret ; |
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| 257 | } |
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| 258 | |
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[2533] | 259 | Vector<uInt> STIdxIter::getRows( StorageInitPolicy policy ) |
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| 260 | { |
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| 261 | return iter_m->getRows( policy ) ; |
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| 262 | } |
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| 263 | |
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[2519] | 264 | STIdxIterNormal::STIdxIterNormal() |
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| 265 | : STIdxIter() |
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| 266 | { |
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| 267 | } |
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| 268 | |
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| 269 | STIdxIterNormal::STIdxIterNormal( const string &name, |
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| 270 | const vector<string> &cols ) |
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| 271 | : STIdxIter( name, cols ) |
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| 272 | { |
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| 273 | Table t( name, Table::Old ) ; |
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| 274 | init( t, cols ) ; |
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| 275 | } |
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| 276 | |
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| 277 | STIdxIterNormal::STIdxIterNormal( const CountedPtr<Scantable> &s, |
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| 278 | const vector<string> &cols ) |
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| 279 | : STIdxIter( s, cols ) |
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| 280 | { |
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| 281 | init( s->table(), cols ) ; |
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| 282 | } |
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| 283 | |
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| 284 | STIdxIterNormal::~STIdxIterNormal() |
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| 285 | { |
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| 286 | } |
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| 287 | |
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| 288 | void STIdxIterNormal::init( Table &t, |
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| 289 | const vector<string> &cols ) |
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| 290 | { |
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| 291 | uInt ncol = cols.size() ; |
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| 292 | uInt nrow = t.nrow() ; |
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| 293 | Matrix<uInt> arr( nrow, ncol ) ; |
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| 294 | ROScalarColumn<uInt> col ; |
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[2536] | 295 | Vector<uInt> v ; |
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[2519] | 296 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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| 297 | col.attach( t, cols[i] ) ; |
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[2536] | 298 | v.reference( arr.column( i ) ) ; |
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[2519] | 299 | col.getColumn( v ) ; |
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| 300 | } |
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| 301 | iter_m = new ArrayIndexIteratorNormal( arr ) ; |
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| 302 | } |
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| 303 | |
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| 304 | STIdxIterAcc::STIdxIterAcc() |
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| 305 | : STIdxIter() |
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| 306 | { |
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| 307 | } |
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| 308 | |
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| 309 | STIdxIterAcc::STIdxIterAcc( const string &name, |
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| 310 | const vector<string> &cols ) |
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| 311 | : STIdxIter( name, cols ) |
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| 312 | { |
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| 313 | Table t( name, Table::Old ) ; |
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| 314 | init( t, cols ) ; |
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| 315 | } |
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| 316 | |
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| 317 | STIdxIterAcc::STIdxIterAcc( const CountedPtr<Scantable> &s, |
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| 318 | const vector<string> &cols ) |
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| 319 | : STIdxIter( s, cols ) |
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| 320 | { |
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| 321 | init( s->table(), cols ) ; |
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| 322 | } |
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| 323 | |
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| 324 | STIdxIterAcc::~STIdxIterAcc() |
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| 325 | { |
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| 326 | } |
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| 327 | |
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| 328 | void STIdxIterAcc::init( Table &t, |
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| 329 | const vector<string> &cols ) |
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| 330 | { |
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| 331 | uInt ncol = cols.size() ; |
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| 332 | uInt nrow = t.nrow() ; |
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[2536] | 333 | // array shape here is as follows if cols=["BEAMNO","POLNO","IFNO"]: |
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| 334 | // [[B0,B1,B2,...,BN], |
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| 335 | // [P0,P1,P2,...,PN], |
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| 336 | // [I0,I1,I2,...,IN]] |
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| 337 | // order of internal storage is |
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| 338 | // [B0,B1,B2,..,BN,P0,P1,P2,...,PN,I0,I1,I2,...,IN] |
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[2519] | 339 | Matrix<uInt> arr( nrow, ncol ) ; |
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[2536] | 340 | Vector<uInt> v ; |
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[2519] | 341 | ROScalarColumn<uInt> col ; |
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| 342 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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| 343 | col.attach( t, cols[i] ) ; |
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[2536] | 344 | v.reference( arr.column( i ) ) ; |
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[2519] | 345 | col.getColumn( v ) ; |
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| 346 | } |
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| 347 | iter_m = new ArrayIndexIteratorAcc( arr ) ; |
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| 348 | } |
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| 349 | |
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| 350 | } // namespace |
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