[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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[2519] | 16 | prod_m = Block<uInt>( nfield_m, 1 ) ; |
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| 17 | idx_m = Block<uInt>( nfield_m, 0 ) ; |
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| 18 | for ( uInt i = 1 ; i < nfield_m ; i++ ) { |
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[2533] | 19 | prod_m[i] = shape[i-1] * prod_m[i-1] ; |
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[2519] | 20 | } |
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[2533] | 21 | maxiter_m = prod_m[nfield_m-1] * shape[nfield_m-1] ; |
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[2519] | 22 | // cout << "maxiter_m=" << maxiter_m << endl ; |
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| 23 | } |
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| 24 | |
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| 25 | Bool IndexIterator::pastEnd() |
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| 26 | { |
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| 27 | return niter_m >= maxiter_m ; |
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| 28 | } |
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| 29 | |
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| 30 | void IndexIterator::next() |
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| 31 | { |
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| 32 | niter_m++ ; |
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| 33 | uInt x = niter_m ; |
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| 34 | for ( Int i = nfield_m-1 ; i >= 0 ; i-- ) { |
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| 35 | idx_m[i] = x / prod_m[i] ; |
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| 36 | //cout << "i=" << i << ": prod=" << prod_m[i] |
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| 37 | // << ", idx=" << idx_m[i] << endl ; |
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| 38 | x %= prod_m[i] ; |
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| 39 | } |
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| 40 | } |
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| 41 | |
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| 42 | ArrayIndexIterator::ArrayIndexIterator( Matrix<uInt> &arr, |
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| 43 | vector< vector<uInt> > idlist ) |
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[2533] | 44 | : arr_m( arr ), |
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| 45 | pos_m( IPosition(1,0) ) |
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[2519] | 46 | { |
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| 47 | ncol_m = arr_m.ncolumn() ; |
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| 48 | nrow_m = arr_m.nrow() ; |
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| 49 | vector< vector<uInt> > l = idlist ; |
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| 50 | if ( l.size() != ncol_m ) { |
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| 51 | l.resize( ncol_m ) ; |
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| 52 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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| 53 | Vector<uInt> a( arr_m.column( i ).copy() ) ; |
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| 54 | uInt n = genSort( a, Sort::Ascending, Sort::QuickSort|Sort::NoDuplicates ) ; |
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| 55 | a.resize(n,True) ; |
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| 56 | a.tovector( l[i] ) ; |
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| 57 | } |
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| 58 | } |
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[2533] | 59 | idxlist_m = l ; |
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| 60 | IPosition shape( ncol_m ) ; |
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| 61 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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| 62 | shape[i] = idxlist_m[i].size() ; |
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| 63 | } |
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| 64 | iter_m = new IndexIterator( shape ) ; |
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| 65 | current_m.resize( ncol_m ) ; |
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[2519] | 66 | } |
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| 67 | |
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| 68 | ArrayIndexIterator::~ArrayIndexIterator() |
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| 69 | { |
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| 70 | delete iter_m ; |
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| 71 | } |
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| 72 | |
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| 73 | Vector<uInt> ArrayIndexIterator::current() |
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| 74 | { |
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[2533] | 75 | Block<uInt> idx = iter_m->current() ; |
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| 76 | for ( uInt i = 0 ; i < ncol_m ; i++ ) |
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| 77 | current_m[i] = idxlist_m[i][idx[i]] ; |
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| 78 | return current_m ; |
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[2519] | 79 | } |
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| 80 | |
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| 81 | Bool ArrayIndexIterator::pastEnd() |
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| 82 | { |
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| 83 | return iter_m->pastEnd() ; |
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| 84 | } |
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| 85 | |
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| 86 | ArrayIndexIteratorNormal::ArrayIndexIteratorNormal( Matrix<uInt> &arr, |
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| 87 | vector< vector<uInt> > idlist ) |
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[2533] | 88 | : ArrayIndexIterator( arr, idlist ) |
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[2519] | 89 | { |
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| 90 | storage_m.resize( nrow_m ) ; |
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| 91 | } |
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| 92 | |
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| 93 | void ArrayIndexIteratorNormal::next() |
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| 94 | { |
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| 95 | iter_m->next() ; |
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| 96 | } |
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| 97 | |
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[2524] | 98 | Vector<uInt> ArrayIndexIteratorNormal::getRows( StorageInitPolicy policy ) |
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[2519] | 99 | { |
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| 100 | Vector<uInt> v = current() ; |
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| 101 | uInt len = 0 ; |
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| 102 | uInt *p = storage_m.storage() ; |
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| 103 | for ( uInt i = 0 ; i < nrow_m ; i++ ) { |
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| 104 | if ( allEQ( v, arr_m.row( i ) ) ) { |
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| 105 | *p = i ; |
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| 106 | len++ ; |
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| 107 | p++ ; |
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| 108 | } |
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| 109 | } |
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| 110 | pos_m[0] = len ; |
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| 111 | p = storage_m.storage() ; |
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[2524] | 112 | return Vector<uInt>( pos_m, p, policy ) ; |
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[2519] | 113 | } |
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| 114 | |
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| 115 | ArrayIndexIteratorAcc::ArrayIndexIteratorAcc( Matrix<uInt> &arr, |
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| 116 | vector< vector<uInt> > idlist ) |
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[2533] | 117 | : ArrayIndexIterator( arr, idlist ) |
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[2519] | 118 | { |
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| 119 | storage_m.resize( arr_m.nelements()+nrow_m ) ; |
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| 120 | for ( uInt i = 0 ; i < nrow_m ; i++ ) { |
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| 121 | storage_m[i+arr_m.nelements()] = i ; |
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| 122 | } |
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| 123 | len_m.resize( ncol_m+1 ) ; |
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| 124 | for ( uInt i = 0 ; i < ncol_m+1 ; i++ ) { |
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| 125 | len_m[i] = nrow_m ; |
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| 126 | // cout << "len[" << i << "]=" << len_m[i] << endl ; |
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| 127 | } |
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| 128 | prev_m = current() - (uInt)1 ; |
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| 129 | } |
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| 130 | |
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| 131 | void ArrayIndexIteratorAcc::next() |
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| 132 | { |
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| 133 | prev_m = current() ; |
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| 134 | iter_m->next() ; |
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| 135 | } |
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| 136 | |
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[2524] | 137 | Vector<uInt> ArrayIndexIteratorAcc::getRows( StorageInitPolicy policy ) |
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[2519] | 138 | { |
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| 139 | Vector<uInt> v = current() ; |
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| 140 | Int c = isChanged( v ) ; |
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| 141 | // cout << "c=" << c << endl ; |
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| 142 | if ( c < 0 ) { |
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| 143 | pos_m[0] = len_m[0] ; |
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[2533] | 144 | return Vector<uInt>( pos_m, storage_m.storage(), policy ) ; |
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[2519] | 145 | } |
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| 146 | uInt *base = storage_m.storage() + (c+1) * nrow_m ; |
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| 147 | // cout << "len_m[c+1]=" << len_m[c+1] << endl ; |
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| 148 | // cout << "base=" << Vector<uInt>(IPosition(1,len_m[c+1]),base,SHARE) << endl ; |
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| 149 | for ( Int i = c ; i >= 0 ; i-- ) { |
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| 150 | base = updateStorage( i, base, v[i] ) ; |
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| 151 | // cout << "len_m[" << i << "]=" << len_m[i] << endl ; |
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| 152 | // cout << "base=" << Vector<uInt>(IPosition(1,len_m[i]),base,SHARE) << endl ; |
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| 153 | } |
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| 154 | pos_m[0] = len_m[0] ; |
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[2524] | 155 | return Vector<uInt>( pos_m, storage_m.storage(), policy ) ; |
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[2519] | 156 | } |
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| 157 | |
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| 158 | Int ArrayIndexIteratorAcc::isChanged( Vector<uInt> &idx ) |
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| 159 | { |
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| 160 | Int i = ncol_m - 1 ; |
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| 161 | while( i >= 0 && idx[i] == prev_m[i] ) |
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| 162 | i-- ; |
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| 163 | return i ; |
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| 164 | } |
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| 165 | |
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| 166 | uInt *ArrayIndexIteratorAcc::updateStorage( Int &icol, |
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| 167 | uInt *base, |
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| 168 | uInt &v ) |
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| 169 | { |
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| 170 | uInt len = 0 ; |
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| 171 | uInt *p = base - nrow_m ; |
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| 172 | uInt *work = p ; |
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| 173 | for ( uInt i = 0 ; i < len_m[icol+1] ; i++ ) { |
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| 174 | if ( arr_m( *base, icol ) == v ) { |
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| 175 | // cout << "add " << *base << endl ; |
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| 176 | *work = *base ; |
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| 177 | len++ ; |
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| 178 | work++ ; |
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| 179 | } |
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| 180 | base++ ; |
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| 181 | } |
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| 182 | len_m[icol] = len ; |
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| 183 | return p ; |
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| 184 | } |
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| 185 | |
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| 186 | STIdxIter::STIdxIter() |
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| 187 | { |
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| 188 | iter_m = 0 ; |
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| 189 | } |
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| 190 | |
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| 191 | STIdxIter::STIdxIter( const string &name, |
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| 192 | const vector<string> &cols ) |
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| 193 | { |
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| 194 | } |
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| 195 | |
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| 196 | STIdxIter::STIdxIter( const CountedPtr<Scantable> &s, |
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| 197 | const vector<string> &cols ) |
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| 198 | { |
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| 199 | } |
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| 200 | |
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| 201 | STIdxIter::~STIdxIter() |
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| 202 | { |
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| 203 | if ( iter_m != 0 ) |
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| 204 | delete iter_m ; |
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| 205 | } |
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| 206 | |
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| 207 | vector<uInt> STIdxIter::tovector( Vector<uInt> v ) |
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| 208 | { |
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| 209 | vector<uInt> ret ; |
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| 210 | v.tovector( ret ) ; |
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| 211 | return ret ; |
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| 212 | } |
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| 213 | |
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[2533] | 214 | Vector<uInt> STIdxIter::getRows( StorageInitPolicy policy ) |
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| 215 | { |
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| 216 | return iter_m->getRows( policy ) ; |
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| 217 | } |
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| 218 | |
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[2519] | 219 | STIdxIterNormal::STIdxIterNormal() |
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| 220 | : STIdxIter() |
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| 221 | { |
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| 222 | } |
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| 223 | |
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| 224 | STIdxIterNormal::STIdxIterNormal( const string &name, |
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| 225 | const vector<string> &cols ) |
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| 226 | : STIdxIter( name, cols ) |
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| 227 | { |
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| 228 | Table t( name, Table::Old ) ; |
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| 229 | init( t, cols ) ; |
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| 230 | } |
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| 231 | |
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| 232 | STIdxIterNormal::STIdxIterNormal( const CountedPtr<Scantable> &s, |
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| 233 | const vector<string> &cols ) |
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| 234 | : STIdxIter( s, cols ) |
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| 235 | { |
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| 236 | init( s->table(), cols ) ; |
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| 237 | } |
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| 238 | |
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| 239 | STIdxIterNormal::~STIdxIterNormal() |
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| 240 | { |
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| 241 | } |
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| 242 | |
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| 243 | void STIdxIterNormal::init( Table &t, |
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| 244 | const vector<string> &cols ) |
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| 245 | { |
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| 246 | uInt ncol = cols.size() ; |
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| 247 | uInt nrow = t.nrow() ; |
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| 248 | Matrix<uInt> arr( nrow, ncol ) ; |
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| 249 | ROScalarColumn<uInt> col ; |
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| 250 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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| 251 | col.attach( t, cols[i] ) ; |
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| 252 | Vector<uInt> v( arr.column( i ) ) ; |
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| 253 | col.getColumn( v ) ; |
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| 254 | } |
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| 255 | iter_m = new ArrayIndexIteratorNormal( arr ) ; |
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| 256 | } |
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| 257 | |
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| 258 | STIdxIterAcc::STIdxIterAcc() |
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| 259 | : STIdxIter() |
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| 260 | { |
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| 261 | } |
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| 262 | |
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| 263 | STIdxIterAcc::STIdxIterAcc( const string &name, |
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| 264 | const vector<string> &cols ) |
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| 265 | : STIdxIter( name, cols ) |
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| 266 | { |
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| 267 | Table t( name, Table::Old ) ; |
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| 268 | init( t, cols ) ; |
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| 269 | } |
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| 270 | |
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| 271 | STIdxIterAcc::STIdxIterAcc( const CountedPtr<Scantable> &s, |
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| 272 | const vector<string> &cols ) |
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| 273 | : STIdxIter( s, cols ) |
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| 274 | { |
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| 275 | init( s->table(), cols ) ; |
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| 276 | } |
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| 277 | |
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| 278 | STIdxIterAcc::~STIdxIterAcc() |
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| 279 | { |
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| 280 | } |
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| 281 | |
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| 282 | void STIdxIterAcc::init( Table &t, |
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| 283 | const vector<string> &cols ) |
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| 284 | { |
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| 285 | uInt ncol = cols.size() ; |
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| 286 | uInt nrow = t.nrow() ; |
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| 287 | Matrix<uInt> arr( nrow, ncol ) ; |
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| 288 | ROScalarColumn<uInt> col ; |
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| 289 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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| 290 | col.attach( t, cols[i] ) ; |
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| 291 | Vector<uInt> v( arr.column( i ) ) ; |
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| 292 | col.getColumn( v ) ; |
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| 293 | } |
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| 294 | iter_m = new ArrayIndexIteratorAcc( arr ) ; |
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| 295 | } |
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| 296 | |
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| 297 | } // namespace |
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