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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12 | IndexIterator::IndexIterator( IPosition &shape ) |
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13 | : niter_m( 0 ) |
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14 | { |
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15 | nfield_m = shape.nelements() ; |
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16 | prod_m.resize( nfield_m ) ; |
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17 | idx_m.resize( nfield_m ) ; |
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18 | prod_m[nfield_m-1] = 1 ; |
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19 | idx_m[nfield_m-1] = 0 ; |
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20 | for ( Int i = nfield_m-2 ; i >= 0 ; i-- ) { |
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21 | prod_m[i] = shape[i+1] * prod_m[i+1] ; |
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22 | idx_m[i] = 0 ; |
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23 | } |
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24 | maxiter_m = prod_m[0] * shape[0] ; |
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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 = 0 ; i < nfield_m ; 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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47 | : arr_m( arr ), |
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48 | pos_m( 1 ) |
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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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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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67 | // cout << "shape=" << shape << endl ; |
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68 | iter_m = new IndexIterator( shape ) ; |
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69 | current_m.resize( ncol_m ) ; |
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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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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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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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92 | : ArrayIndexIterator( arr, idlist ) |
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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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102 | Vector<uInt> ArrayIndexIteratorNormal::getRows( StorageInitPolicy policy ) |
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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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116 | return Vector<uInt>( pos_m, p, policy ) ; |
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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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121 | : ArrayIndexIterator( arr, idlist ) |
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122 | { |
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123 | // storage_m layout |
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124 | // length: ncol_m * (nrow_m + 1) |
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125 | // 0~nrow_m-1: constant temporary storage that indicates whole rows |
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126 | // nrow_m~2*nrow_m-1: temporary storage for column 0 |
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127 | // 2*nrow_m~3*nrow_m-1: temporary storage for column 1 |
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128 | // ... |
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129 | storage_m.resize( arr_m.nelements()+nrow_m ) ; |
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130 | // initialize constant temporary storage |
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131 | uInt *p = storage_m.storage() ; |
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132 | for ( uInt i = 0 ; i < nrow_m ; i++ ) { |
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133 | *p = i ; |
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134 | p++ ; |
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135 | } |
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136 | // len_m layout |
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137 | // len[0]: length of temporary storage that incidates whole rows (constant) |
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138 | // len[1]: number of matched row for column 0 selection |
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139 | // len[2]: number of matched row for column 1 selection |
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140 | // ... |
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141 | len_m.resize( ncol_m+1 ) ; |
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142 | p = len_m.storage() ; |
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143 | for ( uInt i = 0 ; i < ncol_m+1 ; i++ ) { |
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144 | *p = nrow_m ; |
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145 | p++ ; |
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146 | // cout << "len[" << i << "]=" << len_m[i] << endl ; |
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147 | } |
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148 | // skip_m layout |
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149 | // skip_m[0]: True if column 0 is filled by unique value |
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150 | // skip_m[1]: True if column 1 is filled by unique value |
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151 | // ... |
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152 | skip_m.resize( ncol_m ) ; |
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153 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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154 | skip_m[i] = (Bool)(idxlist_m[i].size()==1) ; |
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155 | // cout << "skip_m[" << i << "]=" << skip_m[i] << endl ; |
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156 | } |
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157 | prev_m = iter_m->current() ; |
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158 | p = prev_m.storage() ; |
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159 | for ( uInt i = 0 ; i < ncol_m ; i++ ) { |
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160 | *p = *p - 1 ; |
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161 | p++ ; |
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162 | } |
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163 | // cout << "prev_m=" << Vector<uInt>(IPosition(1,ncol_m),prev_m.storage()) << endl ; |
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164 | } |
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165 | |
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166 | void ArrayIndexIteratorAcc::next() |
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167 | { |
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168 | prev_m = iter_m->current() ; |
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169 | iter_m->next() ; |
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170 | } |
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171 | |
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172 | Vector<uInt> ArrayIndexIteratorAcc::getRows( StorageInitPolicy policy ) |
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173 | { |
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174 | Block<uInt> v = iter_m->current() ; |
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175 | Int c = isChanged( v ) ; |
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176 | // cout << "v=" << Vector<uInt>(IPosition(1,v.nelements()),v.storage(),SHARE) << endl ; |
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177 | // cout << "c=" << c << endl ; |
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178 | if ( c > ncol_m-1 ) { |
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179 | pos_m[0] = len_m[ncol_m] ; |
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180 | Int offset = ncol_m - 1 ; |
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181 | while( offset >= 0 && skip_m[offset] ) |
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182 | offset-- ; |
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183 | offset++ ; |
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184 | // cout << "offset=" << offset << endl ; |
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185 | return Vector<uInt>( pos_m, storage_m.storage()+offset*nrow_m, policy ) ; |
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186 | } |
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187 | Int offset = c - 1 ; |
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188 | while( offset >= 0 && skip_m[offset] ) |
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189 | offset-- ; |
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190 | offset++ ; |
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191 | // cout << "offset = " << offset << endl ; |
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192 | uInt *base = storage_m.storage() + offset * nrow_m ; |
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193 | // cout << "len_m[c+1]=" << len_m[c+1] << endl ; |
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194 | // cout << "base=" << Vector<uInt>(IPosition(1,len_m[c+1]),base,SHARE) << endl ; |
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195 | for ( Int i = c ; i < ncol_m ; i++ ) { |
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196 | base = updateStorage( i, base, idxlist_m[i][v[i]] ) ; |
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197 | // cout << "len_m[" << i << "]=" << len_m[i] << endl ; |
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198 | // cout << "base=" << Vector<uInt>(IPosition(1,len_m[i]),base,SHARE) << endl ; |
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199 | } |
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200 | pos_m[0] = len_m[ncol_m] ; |
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201 | // cout << "pos_m=" << pos_m << endl ; |
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202 | // cout << "ret=" << Vector<uInt>( pos_m, base, policy ) << endl ; |
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203 | return Vector<uInt>( pos_m, base, policy ) ; |
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204 | } |
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205 | |
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206 | Int ArrayIndexIteratorAcc::isChanged( Block<uInt> &idx ) |
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207 | { |
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208 | Int i = 0 ; |
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209 | while( i < ncol_m && idx[i] == prev_m[i] ) |
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210 | i++ ; |
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211 | return i ; |
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212 | } |
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213 | |
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214 | uInt *ArrayIndexIteratorAcc::updateStorage( Int &icol, |
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215 | uInt *base, |
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216 | uInt &v ) |
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217 | { |
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218 | // CAUTION: |
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219 | // indexes for storage_m and len_m differ from index for skip_m by 1 |
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220 | // (skip_m[0] corresponds to storage_m[1] and len_m[1]) since there |
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221 | // is additional temporary storage at first segment in storage_m |
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222 | uInt *p ; |
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223 | if ( skip_m[icol] ) { |
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224 | // skip update, just update len_m[icol] and pass appropriate pointer |
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225 | // cout << "skip " << icol << endl ; |
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226 | p = base ; |
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227 | len_m[icol+1] = len_m[icol] ; |
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228 | } |
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229 | else { |
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230 | // cout << "update " << icol << endl ; |
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231 | uInt len = 0 ; |
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232 | p = storage_m.storage() + (icol+1) * nrow_m ; |
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233 | uInt *work = p ; |
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234 | Bool b ; |
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235 | const uInt *arr_p = arr_m.getStorage( b ) ; |
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236 | long offset = 0 ; |
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237 | // warr_p points a first element of (icol)-th column |
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238 | const uInt *warr_p = arr_p + icol * nrow_m ; |
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239 | for ( uInt i = 0 ; i < len_m[icol] ; i++ ) { |
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240 | // increment warr_p by (*(base)-*(base-1)) |
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241 | warr_p += *base - offset ; |
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242 | // check if target element is equal to value specified |
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243 | if ( *warr_p == v ) { |
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244 | // then, add current index to storage_m |
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245 | // cout << "add " << *base << endl ; |
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246 | *work = *base ; |
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247 | len++ ; |
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248 | work++ ; |
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249 | } |
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250 | // update offset |
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251 | offset = *base ; |
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252 | // next index |
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253 | base++ ; |
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254 | } |
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255 | arr_m.freeStorage( arr_p, b ) ; |
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256 | len_m[icol+1] = len ; |
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257 | } |
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258 | return p ; |
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259 | } |
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260 | |
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261 | STIdxIter::STIdxIter() |
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262 | { |
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263 | iter_m = 0 ; |
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264 | } |
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265 | |
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266 | STIdxIter::STIdxIter( const string &name, |
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267 | const vector<string> &cols ) |
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268 | { |
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269 | } |
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270 | |
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271 | STIdxIter::STIdxIter( const CountedPtr<Scantable> &s, |
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272 | const vector<string> &cols ) |
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273 | { |
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274 | } |
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275 | |
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276 | STIdxIter::~STIdxIter() |
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277 | { |
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278 | if ( iter_m != 0 ) |
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279 | delete iter_m ; |
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280 | } |
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281 | |
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282 | vector<uInt> STIdxIter::tovector( Vector<uInt> v ) |
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283 | { |
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284 | vector<uInt> ret ; |
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285 | v.tovector( ret ) ; |
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286 | return ret ; |
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287 | } |
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288 | |
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289 | Vector<uInt> STIdxIter::getRows( StorageInitPolicy policy ) |
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290 | { |
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291 | return iter_m->getRows( policy ) ; |
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292 | } |
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293 | |
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294 | STIdxIterNormal::STIdxIterNormal() |
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295 | : STIdxIter() |
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296 | { |
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297 | } |
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298 | |
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299 | STIdxIterNormal::STIdxIterNormal( const string &name, |
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300 | const vector<string> &cols ) |
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301 | : STIdxIter( name, cols ) |
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302 | { |
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303 | Table t( name, Table::Old ) ; |
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304 | init( t, cols ) ; |
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305 | } |
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306 | |
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307 | STIdxIterNormal::STIdxIterNormal( const CountedPtr<Scantable> &s, |
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308 | const vector<string> &cols ) |
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309 | : STIdxIter( s, cols ) |
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310 | { |
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311 | init( s->table(), cols ) ; |
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312 | } |
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313 | |
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314 | STIdxIterNormal::~STIdxIterNormal() |
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315 | { |
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316 | } |
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317 | |
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318 | void STIdxIterNormal::init( Table &t, |
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319 | const vector<string> &cols ) |
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320 | { |
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321 | uInt ncol = cols.size() ; |
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322 | uInt nrow = t.nrow() ; |
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323 | Matrix<uInt> arr( nrow, ncol ) ; |
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324 | ROScalarColumn<uInt> col ; |
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325 | Vector<uInt> v ; |
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326 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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327 | col.attach( t, cols[i] ) ; |
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328 | v.reference( arr.column( i ) ) ; |
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329 | col.getColumn( v ) ; |
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330 | } |
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331 | iter_m = new ArrayIndexIteratorNormal( arr ) ; |
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332 | } |
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333 | |
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334 | STIdxIterAcc::STIdxIterAcc() |
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335 | : STIdxIter() |
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336 | { |
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337 | } |
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338 | |
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339 | STIdxIterAcc::STIdxIterAcc( const string &name, |
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340 | const vector<string> &cols ) |
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341 | : STIdxIter( name, cols ) |
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342 | { |
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343 | Table t( name, Table::Old ) ; |
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344 | init( t, cols ) ; |
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345 | } |
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346 | |
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347 | STIdxIterAcc::STIdxIterAcc( const CountedPtr<Scantable> &s, |
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348 | const vector<string> &cols ) |
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349 | : STIdxIter( s, cols ) |
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350 | { |
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351 | init( s->table(), cols ) ; |
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352 | } |
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353 | |
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354 | STIdxIterAcc::~STIdxIterAcc() |
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355 | { |
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356 | } |
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357 | |
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358 | void STIdxIterAcc::init( Table &t, |
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359 | const vector<string> &cols ) |
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360 | { |
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361 | uInt ncol = cols.size() ; |
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362 | uInt nrow = t.nrow() ; |
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363 | // array shape here is as follows if cols=["BEAMNO","POLNO","IFNO"]: |
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364 | // [[B0,B1,B2,...,BN], |
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365 | // [P0,P1,P2,...,PN], |
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366 | // [I0,I1,I2,...,IN]] |
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367 | // order of internal storage is |
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368 | // [B0,B1,B2,..,BN,P0,P1,P2,...,PN,I0,I1,I2,...,IN] |
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369 | Matrix<uInt> arr( nrow, ncol ) ; |
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370 | Vector<uInt> v ; |
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371 | ROScalarColumn<uInt> col ; |
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372 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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373 | col.attach( t, cols[i] ) ; |
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374 | v.reference( arr.column( i ) ) ; |
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375 | col.getColumn( v ) ; |
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376 | } |
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377 | iter_m = new ArrayIndexIteratorAcc( arr ) ; |
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378 | } |
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379 | |
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380 | STIdxIterExAcc::STIdxIterExAcc() |
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381 | : STIdxIter(), |
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382 | srctypeid_m( -1 ), |
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383 | srcnameid_m( -1 ) |
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384 | { |
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385 | } |
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386 | |
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387 | STIdxIterExAcc::STIdxIterExAcc( const string &name, |
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388 | const vector<string> &cols ) |
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389 | : STIdxIter( name, cols ), |
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390 | srctypeid_m( -1 ), |
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391 | srcnameid_m( -1 ) |
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392 | { |
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393 | Table t( name, Table::Old ) ; |
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394 | init( t, cols ) ; |
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395 | } |
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396 | |
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397 | STIdxIterExAcc::STIdxIterExAcc( const CountedPtr<Scantable> &s, |
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398 | const vector<string> &cols ) |
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399 | : STIdxIter( s, cols ), |
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400 | srctypeid_m( -1 ), |
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401 | srcnameid_m( -1 ) |
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402 | { |
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403 | init( s->table(), cols ) ; |
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404 | } |
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405 | |
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406 | STIdxIterExAcc::~STIdxIterExAcc() |
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407 | { |
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408 | } |
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409 | |
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410 | void STIdxIterExAcc::init( Table &t, |
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411 | const vector<string> &cols ) |
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412 | { |
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413 | uInt ncol = cols.size() ; |
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414 | uInt nrow = t.nrow() ; |
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415 | // array shape here is as follows if cols=["BEAMNO","POLNO","IFNO"]: |
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416 | // [[B0,B1,B2,...,BN], |
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417 | // [P0,P1,P2,...,PN], |
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418 | // [I0,I1,I2,...,IN]] |
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419 | // order of internal storage is |
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420 | // [B0,B1,B2,..,BN,P0,P1,P2,...,PN,I0,I1,I2,...,IN] |
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421 | Matrix<uInt> arr( nrow, ncol ) ; |
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422 | Vector<uInt> v ; |
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423 | ROScalarColumn<uInt> col ; |
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424 | ROScalarColumn<String> strCol ; |
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425 | ROScalarColumn<Int> intCol ; |
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426 | for ( uInt i = 0 ; i < ncol ; i++ ) { |
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427 | v.reference( arr.column( i ) ) ; |
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428 | if ( cols[i] == "SRCTYPE" ) { |
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429 | intCol.attach( t, cols[i] ) ; |
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430 | Vector<Int> srctype = intCol.getColumn() ; |
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431 | processIntCol( srctype, v, srctype_m ) ; |
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432 | srctypeid_m = i ; |
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433 | } |
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434 | else if ( cols[i] == "SRCNAME" ) { |
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435 | strCol.attach( t, cols[i] ) ; |
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436 | Vector<String> srcname = strCol.getColumn() ; |
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437 | processStrCol( srcname, v, srcname_m ) ; |
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438 | srcnameid_m = i ; |
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439 | } |
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440 | else { |
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441 | col.attach( t, cols[i] ) ; |
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442 | col.getColumn( v ) ; |
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443 | } |
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444 | } |
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445 | iter_m = new ArrayIndexIteratorAcc( arr ) ; |
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446 | } |
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447 | |
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448 | void STIdxIterExAcc::processIntCol( Vector<Int> &in, |
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449 | Vector<uInt> &out, |
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450 | Block<Int> &val ) |
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451 | { |
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452 | convertArray( out, in ) ; |
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453 | } |
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454 | |
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455 | void STIdxIterExAcc::processStrCol( Vector<String> &in, |
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456 | Vector<uInt> &out, |
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457 | Block<String> &val ) |
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458 | { |
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459 | uInt len = in.nelements() ; |
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460 | Vector<String> tmp = in.copy() ; |
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461 | uInt n = genSort( tmp, Sort::Ascending, Sort::QuickSort|Sort::NoDuplicates ) ; |
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462 | val.resize( n ) ; |
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463 | for ( uInt i = 0 ; i < n ; i++ ) { |
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464 | val[i] = tmp[i] ; |
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465 | // cout << "val[" << i << "]=" << val[i] << endl ; |
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466 | } |
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467 | if ( n == 1 ) { |
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468 | //cout << "n=1" << endl ; |
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469 | out = 0 ; |
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470 | } |
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471 | else if ( n == 2 ) { |
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472 | //cout << "n=2" << endl ; |
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473 | for ( uInt i = 0 ; i < len ; i++ ) { |
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474 | out[i] = (in[i] == val[0]) ? 0 : 1 ; |
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475 | } |
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476 | } |
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477 | else { |
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478 | //cout << "n=" << n << endl ; |
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479 | map<String,uInt> m ; |
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480 | for ( uInt i = 0 ; i < n ; i++ ) |
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481 | m[val[i]] = i ; |
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482 | for ( uInt i = 0 ; i < len ; i++ ) { |
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483 | out[i] = m[in[i]] ; |
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484 | } |
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485 | } |
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486 | } |
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487 | |
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488 | Int STIdxIterExAcc::getSrcType() |
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489 | { |
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490 | if ( srctypeid_m >= 0 ) |
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491 | return (Int)(iter_m->current()[srctypeid_m]) ; |
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492 | else |
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493 | return -999 ; |
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494 | } |
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495 | |
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496 | String STIdxIterExAcc::getSrcName() |
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497 | { |
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498 | if ( srcname_m.nelements() > 0 ) |
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499 | return srcname_m[iter_m->current()[srcnameid_m]] ; |
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500 | else |
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501 | return "" ; |
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502 | } |
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503 | |
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504 | } // namespace |
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