1 | /** |
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2 | * @file TightDataPointStorageF.h |
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3 | * @author Sheng Di and Dingwen Tao |
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4 | * @date Aug, 2016 |
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5 | * @brief Header file for the tight data point storage (TDPS). |
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6 | * (C) 2016 by Mathematics and Computer Science (MCS), Argonne National Laboratory. |
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7 | * See COPYRIGHT in top-level directory. |
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8 | */ |
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9 | |
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10 | #ifndef _TightDataPointStorageF_H |
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11 | #define _TightDataPointStorageF_H |
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12 | |
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13 | #ifdef __cplusplus |
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14 | extern "C" { |
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15 | #endif |
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16 | |
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17 | #include <stdio.h> |
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18 | |
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19 | typedef struct TightDataPointStorageF |
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20 | { |
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21 | size_t dataSeriesLength; |
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22 | int allSameData; |
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23 | double realPrecision; //it's used as the pwrErrBoundRatio when errBoundMode==PW_REL |
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24 | float medianValue; |
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25 | char reqLength; |
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26 | char radExpo; //used to compute reqLength based on segmented precisions in "pw_rel_compression" |
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27 | |
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28 | int stateNum; |
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29 | int allNodes; |
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30 | |
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31 | size_t exactDataNum; |
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32 | float reservedValue; |
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33 | |
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34 | unsigned char* rtypeArray; |
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35 | size_t rtypeArray_size; |
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36 | |
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37 | float minLogValue; |
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38 | |
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39 | unsigned char* typeArray; //its size is dataSeriesLength/4 (or xxx/4+1) |
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40 | size_t typeArray_size; |
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41 | |
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42 | unsigned char* leadNumArray; //its size is exactDataNum/4 (or exactDataNum/4+1) |
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43 | size_t leadNumArray_size; |
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44 | |
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45 | unsigned char* exactMidBytes; |
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46 | size_t exactMidBytes_size; |
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47 | |
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48 | unsigned char* residualMidBits; |
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49 | size_t residualMidBits_size; |
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50 | |
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51 | unsigned int intervals; //quantization_intervals |
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52 | |
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53 | unsigned char isLossless; //a mark to denote whether it's lossless compression (1 is yes, 0 is no) |
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54 | |
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55 | size_t segment_size; |
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56 | |
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57 | unsigned char* pwrErrBoundBytes; |
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58 | int pwrErrBoundBytes_size; |
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59 | |
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60 | unsigned char* raBytes; |
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61 | size_t raBytes_size; |
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62 | |
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63 | } TightDataPointStorageF; |
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64 | |
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65 | void new_TightDataPointStorageF_Empty(TightDataPointStorageF **self); |
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66 | int new_TightDataPointStorageF_fromFlatBytes(TightDataPointStorageF **self, unsigned char* flatBytes, size_t flatBytesLength); |
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67 | |
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68 | void new_TightDataPointStorageF(TightDataPointStorageF **self, |
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69 | size_t dataSeriesLength, size_t exactDataNum, |
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70 | int* type, unsigned char* exactMidBytes, size_t exactMidBytes_size, |
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71 | unsigned char* leadNumIntArray, //leadNumIntArray contains readable numbers.... |
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72 | unsigned char* resiMidBits, size_t resiMidBits_size, |
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73 | unsigned char resiBitLength, |
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74 | double realPrecision, float medianValue, char reqLength, unsigned int intervals, |
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75 | unsigned char* pwrErrBoundBytes, size_t pwrErrBoundBytes_size, unsigned char radExpo); |
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76 | |
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77 | /** |
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78 | * This function is designed for first-version of the point-wise relative error bound (developed by Sheng Di for TPDS18 paper) |
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79 | * |
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80 | * */ |
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81 | void new_TightDataPointStorageF2(TightDataPointStorageF **self, |
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82 | size_t dataSeriesLength, size_t exactDataNum, |
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83 | int* type, unsigned char* exactMidBytes, size_t exactMidBytes_size, |
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84 | unsigned char* leadNumIntArray, //leadNumIntArray contains readable numbers.... |
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85 | unsigned char* resiMidBits, size_t resiMidBits_size, |
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86 | unsigned char* resiBitLength, size_t resiBitLengthSize, |
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87 | double realPrecision, float medianValue, char reqLength, unsigned int intervals, |
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88 | unsigned char* pwrErrBoundBytes, size_t pwrErrBoundBytes_size, unsigned char radExpo); |
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89 | |
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90 | void convertTDPStoBytes_float(TightDataPointStorageF* tdps, unsigned char* bytes, unsigned char* dsLengthBytes, unsigned char sameByte); |
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91 | void convertTDPStoBytes_float_reserve(TightDataPointStorageF* tdps, unsigned char* bytes, unsigned char* dsLengthBytes, unsigned char sameByte); |
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92 | void convertTDPStoFlatBytes_float(TightDataPointStorageF *tdps, unsigned char** bytes, size_t *size); |
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93 | void convertTDPStoFlatBytes_float_args(TightDataPointStorageF *tdps, unsigned char* bytes, size_t *size); |
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94 | |
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95 | void free_TightDataPointStorageF(TightDataPointStorageF *tdps); |
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96 | void free_TightDataPointStorageF2(TightDataPointStorageF *tdps); |
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97 | |
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98 | #ifdef __cplusplus |
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99 | } |
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100 | #endif |
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101 | |
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102 | #endif /* ----- #ifndef _TightDataPointStorageF_H ----- */ |
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