[301] | 1 | // ----------------------------------------------------------------------- |
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| 2 | // getStats.cc: Basic functions to calculate statistical parameters |
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| 3 | // such as mean, median, rms, madfm, min, max. |
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| 4 | // ----------------------------------------------------------------------- |
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| 5 | // Copyright (C) 2006, Matthew Whiting, ATNF |
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| 6 | // |
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| 7 | // This program is free software; you can redistribute it and/or modify it |
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| 8 | // under the terms of the GNU General Public License as published by the |
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| 9 | // Free Software Foundation; either version 2 of the License, or (at your |
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| 10 | // option) any later version. |
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| 11 | // |
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| 12 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
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| 13 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 15 | // for more details. |
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| 16 | // |
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| 17 | // You should have received a copy of the GNU General Public License |
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| 18 | // along with Duchamp; if not, write to the Free Software Foundation, |
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| 19 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
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| 20 | // |
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| 21 | // Correspondence concerning Duchamp may be directed to: |
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| 22 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
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| 23 | // Postal address: Dr. Matthew Whiting |
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| 24 | // Australia Telescope National Facility, CSIRO |
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| 25 | // PO Box 76 |
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| 26 | // Epping NSW 1710 |
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| 27 | // AUSTRALIA |
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| 28 | // ----------------------------------------------------------------------- |
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[3] | 29 | #include <iostream> |
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[204] | 30 | #include <algorithm> |
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[3] | 31 | #include <math.h> |
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[393] | 32 | #include <duchamp/Utils/utils.hh> |
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[3] | 33 | |
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[848] | 34 | template <class T> T findMedian(T *array, size_t size, bool changeArray) |
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[70] | 35 | { |
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[528] | 36 | /// @details |
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| 37 | /// Find the median value of an array of numbers. Type independent. |
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| 38 | /// \param array The array of numbers. |
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| 39 | /// \param size The length of the array. |
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[646] | 40 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered (ie. the order of elements will be changed). |
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[528] | 41 | /// \return The median value of the array, returned as the same type as the array. |
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[646] | 42 | T *newarray; |
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| 43 | if(changeArray) newarray = array; |
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| 44 | else{ |
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| 45 | newarray = new T[size]; |
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[848] | 46 | for(size_t i=0;i<size;i++) newarray[i] = array[i]; |
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[646] | 47 | } |
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[190] | 48 | T median; |
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[843] | 49 | bool isEven = ((size%2)==0); |
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[646] | 50 | std::nth_element(newarray,newarray+size/2,newarray+size); |
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| 51 | median = newarray[size/2]; |
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[657] | 52 | if(isEven){ |
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[646] | 53 | std::nth_element(newarray,newarray+size/2-1,newarray+size); |
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| 54 | median += newarray[size/2-1]; |
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[699] | 55 | median /= T(2); |
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[646] | 56 | } |
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| 57 | if(!changeArray) delete [] newarray; |
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[53] | 58 | return median; |
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| 59 | } |
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[848] | 60 | template int findMedian<int>(int *array, size_t size, bool changeArray); |
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| 61 | template long findMedian<long>(long *array, size_t size, bool changeArray); |
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| 62 | template float findMedian<float>(float *array, size_t size, bool changeArray); |
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| 63 | template double findMedian<double>(double *array, size_t size, bool changeArray); |
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[190] | 64 | //-------------------------------------------------------------------- |
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[53] | 65 | |
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[849] | 66 | template <class T> T findMedianDiff(T *first, T *second, size_t size) |
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| 67 | { |
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| 68 | /// @details |
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| 69 | /// Find the median value of an array of numbers. Type independent. |
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| 70 | /// \param array The array of numbers. |
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| 71 | /// \param size The length of the array. |
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| 72 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered (ie. the order of elements will be changed). |
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| 73 | /// \return The median value of the array, returned as the same type as the array. |
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| 74 | T *newarray = new T[size]; |
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| 75 | for(size_t i=0;i<size;i++) newarray[i] = first[i]-second[i]; |
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| 76 | |
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| 77 | T median; |
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| 78 | bool isEven = ((size%2)==0); |
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| 79 | std::nth_element(newarray,newarray+size/2,newarray+size); |
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| 80 | median = newarray[size/2]; |
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| 81 | if(isEven){ |
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| 82 | std::nth_element(newarray,newarray+size/2-1,newarray+size); |
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| 83 | median += newarray[size/2-1]; |
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| 84 | median /= T(2); |
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| 85 | } |
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| 86 | delete [] newarray; |
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| 87 | return median; |
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| 88 | } |
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| 89 | template int findMedianDiff<int>(int *first, int *second, size_t size); |
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| 90 | template long findMedianDiff<long>(long *first, long *second, size_t size); |
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| 91 | template float findMedianDiff<float>(float *first, float *second, size_t size); |
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| 92 | template double findMedianDiff<double>(double *first, double *second, size_t size); |
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| 93 | //-------------------------------------------------------------------- |
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| 94 | |
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[1393] | 95 | template <class T> T findMedian(T *array, std::vector<bool> mask, size_t size) |
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[53] | 96 | { |
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[528] | 97 | /// @details |
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[907] | 98 | /// Find the median value of an array of numbers. Type independent. This will create a new array that gets partially sorted. |
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[848] | 99 | /// \param array The array of numbers. |
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[907] | 100 | /// \param mask Whether a given array value should be included in calculations. NB: mask=true implies use this array value. |
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[848] | 101 | /// \param size The length of the array. |
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| 102 | /// \return The median value of the array, returned as the same type as the array. |
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| 103 | |
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| 104 | int goodSize=0,ct=0; |
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| 105 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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| 106 | T *newarray = new T[goodSize]; |
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| 107 | for(size_t i=0;i<size;i++) { |
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| 108 | if(mask[i]) newarray[ct++] = array[i]; |
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| 109 | } |
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| 110 | T median; |
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| 111 | bool isEven = ((goodSize%2)==0); |
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| 112 | std::nth_element(newarray,newarray+goodSize/2,newarray+goodSize); |
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| 113 | median = newarray[goodSize/2]; |
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| 114 | if(isEven){ |
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| 115 | std::nth_element(newarray,newarray+goodSize/2-1,newarray+goodSize); |
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| 116 | median += newarray[goodSize/2-1]; |
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| 117 | median /= T(2); |
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| 118 | } |
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| 119 | delete [] newarray; |
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| 120 | return median; |
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| 121 | } |
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[1393] | 122 | template int findMedian<int>(int *array, std::vector<bool> mask, size_t size); |
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| 123 | template long findMedian<long>(long *array, std::vector<bool> mask, size_t size); |
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| 124 | template float findMedian<float>(float *array, std::vector<bool> mask, size_t size); |
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| 125 | template double findMedian<double>(double *array, std::vector<bool> mask, size_t size); |
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[848] | 126 | //-------------------------------------------------------------------- |
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| 127 | |
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[1393] | 128 | template <class T> T findMedianDiff(T *first, T *second, std::vector<bool> mask, size_t size) |
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[849] | 129 | { |
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| 130 | /// @details |
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| 131 | /// Find the median value of an array of numbers. Type independent. |
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| 132 | /// \param array The array of numbers. |
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| 133 | /// \param size The length of the array. |
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| 134 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered (ie. the order of elements will be changed). |
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| 135 | /// \return The median value of the array, returned as the same type as the array. |
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| 136 | int goodSize=0,ct=0; |
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| 137 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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| 138 | T *newarray = new T[goodSize]; |
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| 139 | for(size_t i=0;i<size;i++) |
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| 140 | if(mask[i]) newarray[ct++] = first[i]-second[i]; |
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| 141 | |
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| 142 | T median=0; |
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| 143 | bool isEven = ((goodSize%2)==0); |
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| 144 | std::nth_element(newarray,newarray+goodSize/2,newarray+goodSize); |
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| 145 | median = newarray[goodSize/2]; |
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| 146 | if(isEven){ |
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| 147 | std::nth_element(newarray,newarray+goodSize/2-1,newarray+goodSize); |
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| 148 | median += newarray[goodSize/2-1]; |
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| 149 | median /= T(2); |
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| 150 | } |
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| 151 | delete [] newarray; |
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| 152 | return median; |
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| 153 | } |
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[1393] | 154 | template int findMedianDiff<int>(int *first, int *second, std::vector<bool> mask, size_t size); |
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| 155 | template long findMedianDiff<long>(long *first, long *second, std::vector<bool> mask, size_t size); |
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| 156 | template float findMedianDiff<float>(float *first, float *second, std::vector<bool> mask, size_t size); |
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| 157 | template double findMedianDiff<double>(double *first, double *second, std::vector<bool> mask, size_t size); |
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[849] | 158 | //-------------------------------------------------------------------- |
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| 159 | |
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[848] | 160 | template <class T> T findMADFM(T *array, size_t size, bool changeArray) |
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| 161 | { |
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| 162 | /// @details |
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[528] | 163 | /// Find the median absolute deviation from the median value of an |
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| 164 | /// array of numbers. Type independent. |
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| 165 | /// |
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| 166 | /// \param array The array of numbers. |
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| 167 | /// \param size The length of the array. |
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[646] | 168 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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[528] | 169 | /// \return The median absolute deviation from the median value of |
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| 170 | /// the array, returned as the same type as the array. |
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[646] | 171 | T *newarray; |
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| 172 | if(changeArray) newarray = array; |
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| 173 | else newarray = new T[size]; |
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| 174 | |
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| 175 | T median = findMedian<T>(array,size,changeArray); |
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[190] | 176 | T madfm; |
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[843] | 177 | bool isEven = ((size%2)==0); |
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[848] | 178 | for(size_t i=0;i<size;i++) newarray[i] = absval(array[i]-median); |
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[646] | 179 | std::nth_element(newarray,newarray+size/2,newarray+size); |
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| 180 | madfm = newarray[size/2]; |
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[657] | 181 | if(isEven){ |
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[646] | 182 | std::nth_element(newarray,newarray+size/2-1,newarray+size); |
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| 183 | madfm += newarray[size/2-1]; |
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[699] | 184 | madfm /= T(2); |
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[646] | 185 | } |
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| 186 | if(!changeArray) delete [] newarray; |
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[53] | 187 | return madfm; |
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| 188 | } |
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[848] | 189 | template int findMADFM<int>(int *array, size_t size, bool changeArray); |
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| 190 | template long findMADFM<long>(long *array, size_t size, bool changeArray); |
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| 191 | template float findMADFM<float>(float *array, size_t size, bool changeArray); |
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| 192 | template double findMADFM<double>(double *array, size_t size, bool changeArray); |
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[190] | 193 | //-------------------------------------------------------------------- |
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| 194 | |
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[849] | 195 | template <class T> T findMADFMDiff(T *first, T *second, size_t size) |
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| 196 | { |
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| 197 | /// @details |
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| 198 | /// Find the median absolute deviation from the median value of an |
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| 199 | /// array of numbers. Type independent. |
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| 200 | /// |
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| 201 | /// \param array The array of numbers. |
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| 202 | /// \param size The length of the array. |
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| 203 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 204 | /// \return The median absolute deviation from the median value of |
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| 205 | /// the array, returned as the same type as the array. |
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| 206 | T *newarray = new T[size]; |
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| 207 | T median = findMedianDiff<T>(first,second,size); |
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| 208 | T madfm; |
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| 209 | bool isEven = ((size%2)==0); |
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| 210 | for(size_t i=0;i<size;i++) newarray[i] = absval(first[i]-second[i]-median); |
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| 211 | std::nth_element(newarray,newarray+size/2,newarray+size); |
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| 212 | madfm = newarray[size/2]; |
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| 213 | if(isEven){ |
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| 214 | std::nth_element(newarray,newarray+size/2-1,newarray+size); |
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| 215 | madfm += newarray[size/2-1]; |
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| 216 | madfm /= T(2); |
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| 217 | } |
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| 218 | delete [] newarray; |
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| 219 | return madfm; |
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| 220 | } |
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| 221 | template int findMADFMDiff<int>(int *first, int *second, size_t size); |
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| 222 | template long findMADFMDiff<long>(long *first, long *second, size_t size); |
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| 223 | template float findMADFMDiff<float>(float *first, float *second, size_t size); |
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| 224 | template double findMADFMDiff<double>(double *first, double *second, size_t size); |
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| 225 | //-------------------------------------------------------------------- |
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| 226 | |
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[1393] | 227 | template <class T> T findMADFM(T *array, std::vector<bool> mask, size_t size) |
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[756] | 228 | { |
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| 229 | /// @details |
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| 230 | /// Find the median absolute deviation from the median value of an |
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[848] | 231 | /// array of numbers. Type independent. |
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| 232 | /// |
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| 233 | /// \param array The array of numbers. |
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| 234 | /// \param size The length of the array. |
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| 235 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 236 | /// \return The median absolute deviation from the median value of |
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| 237 | /// the array, returned as the same type as the array. |
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| 238 | T median = findMedian<T>(array,mask,size); |
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| 239 | int goodSize=0,ct=0; |
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| 240 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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| 241 | T *newarray = new T[goodSize]; |
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| 242 | for(size_t i=0;i<size;i++) |
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| 243 | if(mask[i]) newarray[ct++] = absval(array[i]-median); |
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| 244 | |
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| 245 | T madfm; |
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| 246 | bool isEven = ((goodSize%2)==0); |
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| 247 | std::nth_element(newarray,newarray+goodSize/2,newarray+goodSize); |
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| 248 | madfm = newarray[goodSize/2]; |
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| 249 | if(isEven){ |
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| 250 | std::nth_element(newarray,newarray+goodSize/2-1,newarray+goodSize); |
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| 251 | madfm += newarray[goodSize/2-1]; |
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| 252 | madfm /= T(2); |
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| 253 | } |
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| 254 | delete [] newarray; |
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| 255 | return madfm; |
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| 256 | } |
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[1393] | 257 | template int findMADFM<int>(int *array, std::vector<bool> mask, size_t size); |
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| 258 | template long findMADFM<long>(long *array, std::vector<bool> mask, size_t size); |
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| 259 | template float findMADFM<float>(float *array, std::vector<bool> mask, size_t size); |
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| 260 | template double findMADFM<double>(double *array, std::vector<bool> mask, size_t size); |
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[848] | 261 | //-------------------------------------------------------------------- |
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| 262 | |
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[1393] | 263 | template <class T> T findMADFMDiff(T *first, T *second, std::vector<bool> mask, size_t size) |
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[849] | 264 | { |
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| 265 | /// @details |
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| 266 | /// Find the median absolute deviation from the median value of an |
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| 267 | /// array of numbers. Type independent. |
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| 268 | /// |
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| 269 | /// \param array The array of numbers. |
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| 270 | /// \param size The length of the array. |
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| 271 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 272 | /// \return The median absolute deviation from the median value of |
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| 273 | /// the array, returned as the same type as the array. |
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| 274 | T median = findMedianDiff<T>(first,second,mask,size); |
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| 275 | int goodSize=0,ct=0; |
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| 276 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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| 277 | T *newarray = new T[goodSize]; |
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| 278 | for(size_t i=0;i<size;i++) |
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| 279 | if(mask[i]) newarray[ct++] = absval(first[i]-second[i]-median); |
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| 280 | |
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| 281 | T madfm; |
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| 282 | bool isEven = ((goodSize%2)==0); |
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| 283 | std::nth_element(newarray,newarray+goodSize/2,newarray+goodSize); |
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| 284 | madfm = newarray[goodSize/2]; |
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| 285 | if(isEven){ |
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| 286 | std::nth_element(newarray,newarray+goodSize/2-1,newarray+goodSize); |
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| 287 | madfm += newarray[goodSize/2-1]; |
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| 288 | madfm /= T(2); |
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| 289 | } |
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| 290 | delete [] newarray; |
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| 291 | return madfm; |
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| 292 | } |
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[1393] | 293 | template int findMADFMDiff<int>(int *first, int *second, std::vector<bool> mask, size_t size); |
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| 294 | template long findMADFMDiff<long>(long *first, long *second, std::vector<bool> mask, size_t size); |
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| 295 | template float findMADFMDiff<float>(float *first, float *second, std::vector<bool> mask, size_t size); |
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| 296 | template double findMADFMDiff<double>(double *first, double *second, std::vector<bool> mask, size_t size); |
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[849] | 297 | //-------------------------------------------------------------------- |
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| 298 | |
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[848] | 299 | template <class T> T findMADFM(T *array, size_t size, T median, bool changeArray) |
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| 300 | { |
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| 301 | /// @details |
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| 302 | /// Find the median absolute deviation from the median value of an |
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[756] | 303 | /// array of numbers. Type independent. This version accepts a previously- |
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| 304 | /// calculated median value. |
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| 305 | /// |
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| 306 | /// \param array The array of numbers. |
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| 307 | /// \param size The length of the array. |
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| 308 | /// \param median The median of the array. |
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| 309 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 310 | /// \return The median absolute deviation from the median value of |
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| 311 | /// the array, returned as the same type as the array. |
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| 312 | T *newarray; |
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| 313 | if(changeArray) newarray = array; |
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| 314 | else newarray = new T[size]; |
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| 315 | |
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| 316 | T madfm; |
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[843] | 317 | bool isEven = ((size%2)==0); |
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[848] | 318 | for(size_t i=0;i<size;i++) newarray[i] = absval(array[i]-median); |
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[756] | 319 | std::nth_element(newarray,newarray+size/2,newarray+size); |
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| 320 | madfm = newarray[size/2]; |
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| 321 | if(isEven){ |
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| 322 | std::nth_element(newarray,newarray+size/2-1,newarray+size); |
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| 323 | madfm += newarray[size/2-1]; |
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| 324 | madfm /= T(2); |
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| 325 | } |
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| 326 | if(!changeArray) delete [] newarray; |
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| 327 | return madfm; |
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| 328 | } |
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[848] | 329 | template int findMADFM<int>(int *array, size_t size, int median, bool changeArray); |
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| 330 | template long findMADFM<long>(long *array, size_t size, long median, bool changeArray); |
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| 331 | template float findMADFM<float>(float *array, size_t size, float median, bool changeArray); |
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| 332 | template double findMADFM<double>(double *array, size_t size, double median, bool changeArray); |
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[756] | 333 | //-------------------------------------------------------------------- |
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| 334 | |
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[849] | 335 | template <class T> T findMADFMDiff(T *first, T *second, size_t size, T median) |
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| 336 | { |
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| 337 | /// @details |
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| 338 | /// Find the median absolute deviation from the median value of an |
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| 339 | /// array of numbers. Type independent. This version accepts a previously- |
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| 340 | /// calculated median value. |
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| 341 | /// |
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| 342 | /// \param array The array of numbers. |
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| 343 | /// \param size The length of the array. |
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| 344 | /// \param median The median of the array. |
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| 345 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 346 | /// \return The median absolute deviation from the median value of |
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| 347 | /// the array, returned as the same type as the array. |
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| 348 | T *newarray = new T[size]; |
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| 349 | |
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| 350 | T madfm; |
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| 351 | bool isEven = ((size%2)==0); |
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| 352 | for(size_t i=0;i<size;i++) newarray[i] = absval(first[i]-second[i]-median); |
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| 353 | std::nth_element(newarray,newarray+size/2,newarray+size); |
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| 354 | madfm = newarray[size/2]; |
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| 355 | if(isEven){ |
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| 356 | std::nth_element(newarray,newarray+size/2-1,newarray+size); |
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| 357 | madfm += newarray[size/2-1]; |
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| 358 | madfm /= T(2); |
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| 359 | } |
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| 360 | delete [] newarray; |
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| 361 | return madfm; |
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| 362 | } |
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| 363 | template int findMADFMDiff<int>(int *first, int *second, size_t size, int median); |
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| 364 | template long findMADFMDiff<long>(long *first, long *second, size_t size, long median); |
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| 365 | template float findMADFMDiff<float>(float *first, float *second, size_t size, float median); |
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| 366 | template double findMADFMDiff<double>(double *first, double *second, size_t size, double median); |
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| 367 | //-------------------------------------------------------------------- |
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| 368 | |
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[1393] | 369 | template <class T> T findMADFM(T *array, std::vector<bool> mask, size_t size, T median) |
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[848] | 370 | { |
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| 371 | /// @details |
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| 372 | /// Find the median absolute deviation from the median value of an |
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| 373 | /// array of numbers. Type independent. This version accepts a previously- |
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| 374 | /// calculated median value. |
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| 375 | /// |
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| 376 | /// \param array The array of numbers. |
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| 377 | /// \param size The length of the array. |
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| 378 | /// \param median The median of the array. |
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| 379 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 380 | /// \return The median absolute deviation from the median value of |
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| 381 | /// the array, returned as the same type as the array. |
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| 382 | int goodSize=0,ct=0; |
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| 383 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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| 384 | T *newarray = new T[goodSize]; |
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| 385 | for(size_t i=0;i<size;i++){ |
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| 386 | if(mask[i]) newarray[ct++] = absval(array[i]-median); |
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| 387 | } |
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| 388 | T madfm; |
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| 389 | bool isEven = ((goodSize%2)==0); |
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| 390 | std::nth_element(newarray,newarray+goodSize/2,newarray+goodSize); |
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| 391 | madfm = newarray[goodSize/2]; |
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| 392 | if(isEven){ |
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| 393 | std::nth_element(newarray,newarray+goodSize/2-1,newarray+goodSize); |
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| 394 | madfm += newarray[goodSize/2-1]; |
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| 395 | madfm /= T(2); |
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| 396 | } |
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| 397 | delete [] newarray; |
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| 398 | return madfm; |
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| 399 | } |
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[1393] | 400 | template int findMADFM<int>(int *array, std::vector<bool> mask, size_t size, int median); |
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| 401 | template long findMADFM<long>(long *array, std::vector<bool> mask, size_t size, long median); |
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| 402 | template float findMADFM<float>(float *array, std::vector<bool> mask, size_t size, float median); |
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| 403 | template double findMADFM<double>(double *array, std::vector<bool> mask, size_t size, double median); |
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[848] | 404 | //-------------------------------------------------------------------- |
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| 405 | |
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[1393] | 406 | template <class T> T findMADFMDiff(T *first, T *second, std::vector<bool> mask, size_t size, T median) |
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[849] | 407 | { |
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| 408 | /// @details |
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| 409 | /// Find the median absolute deviation from the median value of an |
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| 410 | /// array of numbers. Type independent. This version accepts a previously- |
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| 411 | /// calculated median value. |
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| 412 | /// |
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| 413 | /// \param array The array of numbers. |
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| 414 | /// \param size The length of the array. |
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| 415 | /// \param median The median of the array. |
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| 416 | /// \param changeArray [false] Whether to use the provided array in calculations. If true, the input array will be altered - both the order and values of the elements will be changed. |
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| 417 | /// \return The median absolute deviation from the median value of |
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| 418 | /// the array, returned as the same type as the array. |
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| 419 | int goodSize=0,ct=0; |
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| 420 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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| 421 | T *newarray = new T[goodSize]; |
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| 422 | for(size_t i=0;i<size;i++){ |
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| 423 | if(mask[i]) newarray[ct++] = absval(first[i]-second[i]-median); |
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| 424 | } |
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| 425 | T madfm; |
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| 426 | bool isEven = ((goodSize%2)==0); |
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| 427 | std::nth_element(newarray,newarray+goodSize/2,newarray+goodSize); |
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| 428 | madfm = newarray[goodSize/2]; |
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| 429 | if(isEven){ |
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| 430 | std::nth_element(newarray,newarray+goodSize/2-1,newarray+goodSize); |
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| 431 | madfm += newarray[goodSize/2-1]; |
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| 432 | madfm /= T(2); |
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| 433 | } |
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| 434 | delete [] newarray; |
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| 435 | return madfm; |
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| 436 | } |
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[1393] | 437 | template int findMADFMDiff<int>(int *first, int *second, std::vector<bool> mask, size_t size, int median); |
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| 438 | template long findMADFMDiff<long>(long *first, long *second, std::vector<bool> mask, size_t size, long median); |
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| 439 | template float findMADFMDiff<float>(float *first, float *second, std::vector<bool> mask, size_t size, float median); |
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| 440 | template double findMADFMDiff<double>(double *first, double *second, std::vector<bool> mask, size_t size, double median); |
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[849] | 441 | //-------------------------------------------------------------------- |
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| 442 | |
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[848] | 443 | template <class T> void findMedianStats(T *array, size_t size, |
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[190] | 444 | T &median, T &madfm) |
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[3] | 445 | { |
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[528] | 446 | /// @details |
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| 447 | /// Find the median and the median absolute deviation from the median |
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| 448 | /// value of an array of numbers. Type independent. |
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| 449 | /// |
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| 450 | /// \param array The array of numbers. |
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| 451 | /// \param size The length of the array. |
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| 452 | /// \param median The median value of the array, returned as the same |
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| 453 | /// type as the array. |
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| 454 | /// \param madfm The median absolute deviation from the median value |
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| 455 | /// of the array, returned as the same type as the array. |
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[190] | 456 | if(size==0){ |
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| 457 | std::cerr << "Error in findMedianStats: zero sized array!\n"; |
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| 458 | return; |
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| 459 | } |
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| 460 | T *newarray = new T[size]; |
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[848] | 461 | for(size_t i=0;i<size;i++) newarray[i] = array[i]; |
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[3] | 462 | |
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[889] | 463 | median = findMedian<T>(newarray,size,true); |
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| 464 | // madfm = findMADFM<T>(newarray,size,true); |
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| 465 | madfm = findMADFM<T>(newarray,size,median,true); |
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[3] | 466 | |
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| 467 | delete [] newarray; |
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| 468 | } |
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[848] | 469 | template void findMedianStats<int>(int *array, size_t size, |
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[222] | 470 | int &median, int &madfm); |
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[848] | 471 | template void findMedianStats<long>(long *array, size_t size, |
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[222] | 472 | long &median, long &madfm); |
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[848] | 473 | template void findMedianStats<float>(float *array, size_t size, |
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[222] | 474 | float &median, float &madfm); |
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[848] | 475 | template void findMedianStats<double>(double *array, size_t size, |
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[222] | 476 | double &median, double &madfm); |
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[190] | 477 | //-------------------------------------------------------------------- |
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| 478 | |
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[1393] | 479 | template <class T> void findMedianStats(T *array, size_t size, std::vector<bool> mask, |
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[190] | 480 | T &median, T &madfm) |
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[3] | 481 | { |
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[528] | 482 | /// @details |
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| 483 | /// Find the median and the median absolute deviation from the median |
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| 484 | /// value of a subset of an array of numbers. The subset is defined |
---|
| 485 | /// by an array of bool variables. Type independent. |
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| 486 | /// |
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| 487 | /// \param array The array of numbers. |
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| 488 | /// \param size The length of the array. |
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| 489 | /// \param mask An array of the same length that says whether to |
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| 490 | /// include each member of the array in the calculations. Only use |
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| 491 | /// values where mask=true. |
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| 492 | /// \param median The median value of the array, returned as the same |
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| 493 | /// type as the array. |
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| 494 | /// \param madfm The median absolute deviation from the median value |
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| 495 | /// of the array, returned as the same type as the array. |
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| 496 | |
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[190] | 497 | int goodSize=0; |
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[848] | 498 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
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[190] | 499 | if(goodSize==0){ |
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| 500 | std::cerr << "Error in findMedianStats: no good values!\n"; |
---|
| 501 | return; |
---|
| 502 | } |
---|
| 503 | T *newarray = new T[goodSize]; |
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[646] | 504 | |
---|
[648] | 505 | goodSize=0; |
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[848] | 506 | for(size_t i=0;i<size;i++) if(mask[i]) newarray[goodSize++] = array[i]; |
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[889] | 507 | median = findMedian<T>(newarray,goodSize,true); |
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| 508 | // madfm = findMADFM<T>(newarray,goodSize,true); |
---|
| 509 | madfm = findMADFM<T>(newarray,goodSize,median,true); |
---|
[3] | 510 | |
---|
| 511 | delete [] newarray; |
---|
| 512 | } |
---|
[1393] | 513 | template void findMedianStats<int>(int *array, size_t size, std::vector<bool> mask, |
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[222] | 514 | int &median, int &madfm); |
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[1393] | 515 | template void findMedianStats<long>(long *array, size_t size, std::vector<bool> mask, |
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[222] | 516 | long &median, long &madfm); |
---|
[1393] | 517 | template void findMedianStats<float>(float *array, size_t size, std::vector<bool> mask, |
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[222] | 518 | float &median, float &madfm); |
---|
[1393] | 519 | template void findMedianStats<double>(double *array, size_t size, std::vector<bool> mask, |
---|
[222] | 520 | double &median, double &madfm); |
---|
[190] | 521 | //-------------------------------------------------------------------- |
---|
[3] | 522 | |
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[848] | 523 | template <class T> void findMedianStatsDiff(T *first, T *second, size_t size, |
---|
| 524 | T &median, T &madfm) |
---|
[3] | 525 | { |
---|
[848] | 526 | /// @details Find the median and the median absolute deviation from |
---|
| 527 | /// the median value of the difference between two arrays of |
---|
| 528 | /// numbers. Type independent. The difference is defined as first - |
---|
| 529 | /// second. |
---|
[528] | 530 | /// |
---|
[848] | 531 | /// \param first The first array |
---|
| 532 | /// \param second The second array |
---|
[528] | 533 | /// \param size The length of the array. |
---|
| 534 | /// \param median The median value of the array, returned as the same |
---|
| 535 | /// type as the array. |
---|
| 536 | /// \param madfm The median absolute deviation from the median value |
---|
| 537 | /// of the array, returned as the same type as the array. |
---|
[275] | 538 | if(size==0){ |
---|
[848] | 539 | std::cerr << "Error in findMedianStats: zero sized array!\n"; |
---|
[275] | 540 | return; |
---|
| 541 | } |
---|
| 542 | T *newarray = new T[size]; |
---|
[848] | 543 | for(size_t i=0;i<size;i++) newarray[i] = first[i]-second[i]; |
---|
[275] | 544 | |
---|
[889] | 545 | median = findMedian<T>(newarray,size,true); |
---|
| 546 | // madfm = findMADFM<T>(newarray,size,true); |
---|
| 547 | madfm = findMADFM<T>(newarray,size,median,true); |
---|
[285] | 548 | |
---|
[275] | 549 | delete [] newarray; |
---|
| 550 | } |
---|
[848] | 551 | template void findMedianStatsDiff<int>(int *first, int *second, size_t size, |
---|
| 552 | int &median, int &madfm); |
---|
| 553 | template void findMedianStatsDiff<long>(long *first, long *second, size_t size, |
---|
| 554 | long &median, long &madfm); |
---|
| 555 | template void findMedianStatsDiff<float>(float *first, float *second, size_t size, |
---|
| 556 | float &median, float &madfm); |
---|
| 557 | template void findMedianStatsDiff<double>(double *first, double *second, size_t size, |
---|
| 558 | double &median, double &madfm); |
---|
[275] | 559 | //-------------------------------------------------------------------- |
---|
| 560 | |
---|
[1393] | 561 | template <class T> void findMedianStatsDiff(T *first, T *second, size_t size, std::vector<bool> mask, |
---|
[848] | 562 | T &median, T &madfm) |
---|
[275] | 563 | { |
---|
[848] | 564 | /// @details Find the median and the median absolute deviation from |
---|
| 565 | /// the median value of the difference between two arrays of |
---|
| 566 | /// numbers, where some elements are masked out. The mask is defined |
---|
| 567 | /// by an array of bool variables. Type independent. The difference |
---|
| 568 | /// is defined as first - second. |
---|
[528] | 569 | /// |
---|
[848] | 570 | /// \param first The first array |
---|
| 571 | /// \param second The second array |
---|
[528] | 572 | /// \param size The length of the array. |
---|
| 573 | /// \param mask An array of the same length that says whether to |
---|
[848] | 574 | /// include each member of the array in the calculations. Only use |
---|
| 575 | /// values where mask=true. |
---|
[528] | 576 | /// \param median The median value of the array, returned as the same |
---|
| 577 | /// type as the array. |
---|
| 578 | /// \param madfm The median absolute deviation from the median value |
---|
| 579 | /// of the array, returned as the same type as the array. |
---|
| 580 | |
---|
[275] | 581 | int goodSize=0; |
---|
[848] | 582 | for(size_t i=0;i<size;i++) if(mask[i]) goodSize++; |
---|
[275] | 583 | if(goodSize==0){ |
---|
[848] | 584 | std::cerr << "Error in findMedianStats: no good values!\n"; |
---|
[275] | 585 | return; |
---|
| 586 | } |
---|
[848] | 587 | T *newarray = new T[goodSize]; |
---|
[275] | 588 | |
---|
| 589 | goodSize=0; |
---|
[848] | 590 | for(size_t i=0;i<size;i++) if(mask[i]) newarray[goodSize++] = first[i]-second[i]; |
---|
[889] | 591 | median = findMedian<T>(newarray,goodSize,true); |
---|
| 592 | // madfm = findMADFM<T>(newarray,goodSize,true); |
---|
| 593 | madfm = findMADFM<T>(newarray,goodSize,median,true); |
---|
[275] | 594 | |
---|
[282] | 595 | delete [] newarray; |
---|
[275] | 596 | } |
---|
[1393] | 597 | template void findMedianStatsDiff<int>(int *first, int *second, size_t size, std::vector<bool> mask, |
---|
[848] | 598 | int &median, int &madfm); |
---|
[1393] | 599 | template void findMedianStatsDiff<long>(long *first, long *second, size_t size, std::vector<bool> mask, |
---|
[848] | 600 | long &median, long &madfm); |
---|
[1393] | 601 | template void findMedianStatsDiff<float>(float *first, float *second, size_t size, std::vector<bool> mask, |
---|
[848] | 602 | float &median, float &madfm); |
---|
[1393] | 603 | template void findMedianStatsDiff<double>(double *first, double *second, size_t size, std::vector<bool> mask, |
---|
[848] | 604 | double &median, double &madfm); |
---|
[275] | 605 | //-------------------------------------------------------------------- |
---|
[848] | 606 | |
---|