[2c47b73] | 1 | /** |
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| 2 | * @file szd_int32.c |
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| 3 | * @author Sheng Di |
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| 4 | * @date Aug, 2017 |
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| 5 | * @brief |
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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 | #include <stdlib.h> |
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| 11 | #include <stdio.h> |
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| 12 | #include <string.h> |
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| 13 | #include <math.h> |
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| 14 | #include "TightDataPointStorageI.h" |
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| 15 | #include "sz.h" |
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| 16 | #include "szd_int32.h" |
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| 17 | #include "Huffman.h" |
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| 18 | |
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| 19 | /** |
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| 20 | * |
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| 21 | * |
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| 22 | * @return status SUCCESSFUL (SZ_SCES) or not (other error codes) f |
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| 23 | * */ |
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| 24 | int SZ_decompress_args_int32(int32_t** newData, size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, unsigned char* cmpBytes, size_t cmpSize) |
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| 25 | { |
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| 26 | int status = SZ_SCES; |
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| 27 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
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| 28 | |
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| 29 | //unsigned char* tmpBytes; |
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| 30 | size_t targetUncompressSize = dataLength <<2; //i.e., *4 |
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| 31 | //tmpSize must be "much" smaller than dataLength |
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| 32 | size_t i, tmpSize = 3+MetaDataByteLength+1+sizeof(int32_t)+exe_params->SZ_SIZE_TYPE; |
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| 33 | unsigned char* szTmpBytes; |
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| 34 | |
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| 35 | if(cmpSize!=4+4+4+MetaDataByteLength && cmpSize!=4+4+8+MetaDataByteLength) |
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| 36 | { |
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| 37 | int isZlib = isZlibFormat(cmpBytes[0], cmpBytes[1]); |
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| 38 | if(isZlib) |
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| 39 | confparams_dec->szMode = SZ_BEST_COMPRESSION; |
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| 40 | else |
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| 41 | confparams_dec->szMode = SZ_BEST_SPEED; |
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| 42 | if(confparams_dec->szMode==SZ_BEST_SPEED) |
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| 43 | { |
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| 44 | tmpSize = cmpSize; |
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| 45 | szTmpBytes = cmpBytes; |
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| 46 | } |
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| 47 | else if(confparams_dec->szMode==SZ_BEST_COMPRESSION || confparams_dec->szMode==SZ_DEFAULT_COMPRESSION) |
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| 48 | { |
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| 49 | if(targetUncompressSize<MIN_ZLIB_DEC_ALLOMEM_BYTES) //Considering the minimum size |
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| 50 | targetUncompressSize = MIN_ZLIB_DEC_ALLOMEM_BYTES; |
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| 51 | tmpSize = zlib_uncompress5(cmpBytes, (unsigned long)cmpSize, &szTmpBytes, (unsigned long)targetUncompressSize+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE);// (unsigned long)targetUncompressSize+8: consider the total length under lossless compression mode is actually 3+4+1+targetUncompressSize |
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| 52 | //szTmpBytes = (unsigned char*)malloc(sizeof(unsigned char)*tmpSize); |
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| 53 | //memcpy(szTmpBytes, tmpBytes, tmpSize); |
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| 54 | //free(tmpBytes); //release useless memory |
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| 55 | } |
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| 56 | else |
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| 57 | { |
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| 58 | printf("Wrong value of confparams_dec->szMode in the double compressed bytes.\n"); |
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| 59 | status = SZ_MERR; |
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| 60 | return status; |
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| 61 | } |
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| 62 | } |
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| 63 | else |
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| 64 | szTmpBytes = cmpBytes; |
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| 65 | //TODO: convert szTmpBytes to data array. |
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| 66 | TightDataPointStorageI* tdps; |
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| 67 | int errBoundMode = new_TightDataPointStorageI_fromFlatBytes(&tdps, szTmpBytes, tmpSize); |
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| 68 | //writeByteData(tdps->typeArray, tdps->typeArray_size, "decompress-typebytes.tbt"); |
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| 69 | int dim = computeDimension(r5,r4,r3,r2,r1); |
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| 70 | int intSize = sizeof(int32_t); |
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| 71 | if(tdps->isLossless) |
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| 72 | { |
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| 73 | *newData = (int32_t*)malloc(intSize*dataLength); |
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| 74 | if(sysEndianType==BIG_ENDIAN_SYSTEM) |
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| 75 | { |
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| 76 | memcpy(*newData, szTmpBytes+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE, dataLength*intSize); |
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| 77 | } |
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| 78 | else |
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| 79 | { |
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| 80 | unsigned char* p = szTmpBytes+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE; |
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| 81 | for(i=0;i<dataLength;i++,p+=intSize) |
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| 82 | (*newData)[i] = bytesToInt32_bigEndian(p); |
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| 83 | } |
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| 84 | } |
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| 85 | else if (dim == 1) |
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| 86 | getSnapshotData_int32_1D(newData,r1,tdps, errBoundMode); |
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| 87 | else |
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| 88 | if (dim == 2) |
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| 89 | getSnapshotData_int32_2D(newData,r2,r1,tdps, errBoundMode); |
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| 90 | else |
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| 91 | if (dim == 3) |
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| 92 | getSnapshotData_int32_3D(newData,r3,r2,r1,tdps, errBoundMode); |
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| 93 | else |
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| 94 | if (dim == 4) |
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| 95 | getSnapshotData_int32_4D(newData,r4,r3,r2,r1,tdps, errBoundMode); |
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| 96 | else |
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| 97 | { |
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| 98 | printf("Error: currently support only at most 4 dimensions!\n"); |
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| 99 | status = SZ_DERR; |
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| 100 | } |
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| 101 | free_TightDataPointStorageI2(tdps); |
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| 102 | if(confparams_dec->szMode!=SZ_BEST_SPEED && cmpSize!=4+sizeof(int32_t)+exe_params->SZ_SIZE_TYPE+MetaDataByteLength) |
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| 103 | free(szTmpBytes); |
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| 104 | return status; |
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| 105 | } |
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| 106 | |
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| 107 | |
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| 108 | void decompressDataSeries_int32_1D(int32_t** data, size_t dataSeriesLength, TightDataPointStorageI* tdps) |
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| 109 | { |
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| 110 | updateQuantizationInfo(tdps->intervals); |
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| 111 | size_t i; |
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| 112 | double interval = tdps->realPrecision*2; |
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| 113 | |
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| 114 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
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| 115 | |
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| 116 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
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| 117 | |
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| 118 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
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| 119 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
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| 120 | SZ_ReleaseHuffman(huffmanTree); |
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| 121 | |
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| 122 | //sdi:Debug |
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| 123 | //writeUShortData(type, dataSeriesLength, "decompressStateBytes.sb"); |
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| 124 | |
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| 125 | int32_t minValue, exactData, predValue; |
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| 126 | |
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| 127 | minValue = tdps->minValue; |
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| 128 | |
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| 129 | int exactByteSize = tdps->exactByteSize; |
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| 130 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
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| 131 | |
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| 132 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
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| 133 | |
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| 134 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT32); |
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| 135 | if(rightShiftBits<0) |
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| 136 | { |
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| 137 | printf("Error: rightShift < 0!\n"); |
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| 138 | exit(0); |
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| 139 | } |
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| 140 | int type_; |
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| 141 | for (i = 0; i < dataSeriesLength; i++) { |
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| 142 | type_ = type[i]; |
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| 143 | switch (type_) { |
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| 144 | case 0: |
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| 145 | // recover the exact data |
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| 146 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 147 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 148 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 149 | exactDataBytePointer += exactByteSize; |
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| 150 | (*data)[i] = exactData + minValue; |
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| 151 | break; |
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| 152 | default: |
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| 153 | //predValue = 2 * (*data)[i-1] - (*data)[i-2]; |
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| 154 | predValue = (*data)[i-1]; |
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| 155 | (*data)[i] = predValue + (type_-exe_params->intvRadius)*interval; |
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| 156 | break; |
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| 157 | } |
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| 158 | //printf("%.30G\n",(*data)[i]); |
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| 159 | } |
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| 160 | free(type); |
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| 161 | return; |
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| 162 | } |
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| 163 | |
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| 164 | void decompressDataSeries_int32_2D(int32_t** data, size_t r1, size_t r2, TightDataPointStorageI* tdps) |
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| 165 | { |
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| 166 | updateQuantizationInfo(tdps->intervals); |
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| 167 | //printf("tdps->intervals=%d, exe_params->intvRadius=%d\n", tdps->intervals, exe_params->intvRadius); |
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| 168 | |
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| 169 | size_t dataSeriesLength = r1*r2; |
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| 170 | // printf ("%d %d\n", r1, r2); |
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| 171 | |
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| 172 | double realPrecision = tdps->realPrecision; |
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| 173 | |
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| 174 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
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| 175 | |
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| 176 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
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| 177 | |
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| 178 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
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| 179 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
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| 180 | SZ_ReleaseHuffman(huffmanTree); |
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| 181 | |
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| 182 | int32_t minValue, exactData; |
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| 183 | |
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| 184 | minValue = tdps->minValue; |
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| 185 | |
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| 186 | int exactByteSize = tdps->exactByteSize; |
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| 187 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
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| 188 | |
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| 189 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
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| 190 | |
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| 191 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT32); |
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| 192 | |
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| 193 | int32_t pred1D, pred2D; |
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| 194 | size_t ii, jj; |
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| 195 | |
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| 196 | /* Process Row-0, data 0 */ |
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| 197 | |
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| 198 | // recover the exact data |
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| 199 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 200 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 201 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 202 | exactDataBytePointer += exactByteSize; |
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| 203 | (*data)[0] = exactData + minValue; |
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| 204 | |
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| 205 | /* Process Row-0, data 1 */ |
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| 206 | int type_ = type[1]; |
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| 207 | if (type_ != 0) |
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| 208 | { |
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| 209 | pred1D = (*data)[0]; |
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| 210 | (*data)[1] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 211 | } |
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| 212 | else |
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| 213 | { |
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| 214 | // recover the exact data |
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| 215 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 216 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 217 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 218 | exactDataBytePointer += exactByteSize; |
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| 219 | (*data)[1] = exactData + minValue; |
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| 220 | } |
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| 221 | |
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| 222 | /* Process Row-0, data 2 --> data r2-1 */ |
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| 223 | for (jj = 2; jj < r2; jj++) |
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| 224 | { |
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| 225 | type_ = type[jj]; |
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| 226 | if (type_ != 0) |
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| 227 | { |
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| 228 | pred1D = 2*(*data)[jj-1] - (*data)[jj-2]; |
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| 229 | (*data)[jj] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 230 | } |
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| 231 | else |
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| 232 | { |
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| 233 | // recover the exact data |
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| 234 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 235 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 236 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 237 | exactDataBytePointer += exactByteSize; |
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| 238 | (*data)[jj] = exactData + minValue; |
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| 239 | } |
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| 240 | } |
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| 241 | |
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| 242 | size_t index; |
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| 243 | /* Process Row-1 --> Row-r1-1 */ |
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| 244 | for (ii = 1; ii < r1; ii++) |
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| 245 | { |
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| 246 | /* Process row-ii data 0 */ |
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| 247 | index = ii*r2; |
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| 248 | |
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| 249 | type_ = type[index]; |
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| 250 | if (type_ != 0) |
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| 251 | { |
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| 252 | pred1D = (*data)[index-r2]; |
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| 253 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 254 | } |
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| 255 | else |
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| 256 | { |
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| 257 | // recover the exact data |
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| 258 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 259 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 260 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 261 | exactDataBytePointer += exactByteSize; |
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| 262 | (*data)[index] = exactData + minValue; |
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| 263 | } |
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| 264 | |
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| 265 | /* Process row-ii data 1 --> r2-1*/ |
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| 266 | for (jj = 1; jj < r2; jj++) |
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| 267 | { |
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| 268 | index = ii*r2+jj; |
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| 269 | pred2D = (*data)[index-1] + (*data)[index-r2] - (*data)[index-r2-1]; |
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| 270 | |
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| 271 | type_ = type[index]; |
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| 272 | if (type_ != 0) |
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| 273 | { |
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| 274 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 275 | } |
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| 276 | else |
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| 277 | { |
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| 278 | // recover the exact data |
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| 279 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 280 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 281 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 282 | exactDataBytePointer += exactByteSize; |
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| 283 | (*data)[index] = exactData + minValue; |
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| 284 | } |
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| 285 | } |
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| 286 | } |
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| 287 | |
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| 288 | free(type); |
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| 289 | return; |
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| 290 | } |
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| 291 | |
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| 292 | void decompressDataSeries_int32_3D(int32_t** data, size_t r1, size_t r2, size_t r3, TightDataPointStorageI* tdps) |
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| 293 | { |
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| 294 | updateQuantizationInfo(tdps->intervals); |
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| 295 | size_t dataSeriesLength = r1*r2*r3; |
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| 296 | size_t r23 = r2*r3; |
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| 297 | // printf ("%d %d %d\n", r1, r2, r3); |
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| 298 | double realPrecision = tdps->realPrecision; |
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| 299 | |
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| 300 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
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| 301 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
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| 302 | |
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| 303 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
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| 304 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
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| 305 | SZ_ReleaseHuffman(huffmanTree); |
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| 306 | |
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| 307 | int32_t minValue, exactData; |
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| 308 | |
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| 309 | minValue = tdps->minValue; |
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| 310 | |
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| 311 | int exactByteSize = tdps->exactByteSize; |
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| 312 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
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| 313 | |
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| 314 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
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| 315 | |
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| 316 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT32); |
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| 317 | |
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| 318 | int32_t pred1D, pred2D, pred3D; |
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| 319 | size_t ii, jj, kk; |
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| 320 | |
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| 321 | /////////////////////////// Process layer-0 /////////////////////////// |
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| 322 | /* Process Row-0 data 0*/ |
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| 323 | |
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| 324 | // recover the exact data |
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| 325 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 326 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 327 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 328 | exactDataBytePointer += exactByteSize; |
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| 329 | (*data)[0] = exactData + minValue; |
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| 330 | |
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| 331 | /* Process Row-0, data 1 */ |
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| 332 | pred1D = (*data)[0]; |
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| 333 | |
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| 334 | int type_ = type[1]; |
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| 335 | if (type_ != 0) |
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| 336 | { |
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| 337 | (*data)[1] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 338 | } |
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| 339 | else |
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| 340 | { |
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| 341 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 342 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 343 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 344 | exactDataBytePointer += exactByteSize; |
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| 345 | (*data)[1] = exactData + minValue; |
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| 346 | } |
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| 347 | /* Process Row-0, data 2 --> data r3-1 */ |
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| 348 | for (jj = 2; jj < r3; jj++) |
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| 349 | { |
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| 350 | pred1D = 2*(*data)[jj-1] - (*data)[jj-2]; |
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| 351 | |
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| 352 | type_ = type[jj]; |
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| 353 | if (type_ != 0) |
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| 354 | { |
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| 355 | (*data)[jj] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 356 | } |
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| 357 | else |
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| 358 | { |
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| 359 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 360 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 361 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 362 | exactDataBytePointer += exactByteSize; |
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| 363 | (*data)[jj] = exactData + minValue; |
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| 364 | } |
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| 365 | } |
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| 366 | |
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| 367 | size_t index; |
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| 368 | /* Process Row-1 --> Row-r2-1 */ |
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| 369 | for (ii = 1; ii < r2; ii++) |
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| 370 | { |
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| 371 | /* Process row-ii data 0 */ |
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| 372 | index = ii*r3; |
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| 373 | pred1D = (*data)[index-r3]; |
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| 374 | |
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| 375 | type_ = type[index]; |
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| 376 | if (type_ != 0) |
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| 377 | { |
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| 378 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 379 | } |
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| 380 | else |
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| 381 | { |
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| 382 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 383 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 384 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 385 | exactDataBytePointer += exactByteSize; |
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| 386 | (*data)[index] = exactData + minValue; |
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| 387 | } |
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| 388 | |
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| 389 | /* Process row-ii data 1 --> r3-1*/ |
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| 390 | for (jj = 1; jj < r3; jj++) |
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| 391 | { |
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| 392 | index = ii*r3+jj; |
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| 393 | pred2D = (*data)[index-1] + (*data)[index-r3] - (*data)[index-r3-1]; |
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| 394 | |
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| 395 | type_ = type[index]; |
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| 396 | if (type_ != 0) |
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| 397 | { |
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| 398 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 399 | } |
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| 400 | else |
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| 401 | { |
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| 402 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 403 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 404 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 405 | exactDataBytePointer += exactByteSize; |
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| 406 | (*data)[index] = exactData + minValue; |
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| 407 | } |
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| 408 | } |
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| 409 | } |
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| 410 | |
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| 411 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
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| 412 | |
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| 413 | for (kk = 1; kk < r1; kk++) |
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| 414 | { |
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| 415 | /* Process Row-0 data 0*/ |
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| 416 | index = kk*r23; |
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| 417 | pred1D = (*data)[index-r23]; |
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| 418 | |
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| 419 | type_ = type[index]; |
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| 420 | if (type_ != 0) |
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| 421 | { |
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| 422 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 423 | } |
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| 424 | else |
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| 425 | { |
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| 426 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 427 | exactData = bytesToInt32_bigEndian(curBytes); |
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| 428 | exactData = (uint32_t)exactData >> rightShiftBits; |
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| 429 | exactDataBytePointer += exactByteSize; |
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| 430 | (*data)[index] = exactData + minValue; |
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| 431 | } |
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| 432 | |
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| 433 | /* Process Row-0 data 1 --> data r3-1 */ |
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| 434 | for (jj = 1; jj < r3; jj++) |
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| 435 | { |
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| 436 | index = kk*r23+jj; |
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| 437 | pred2D = (*data)[index-1] + (*data)[index-r23] - (*data)[index-r23-1]; |
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| 438 | |
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| 439 | type_ = type[index]; |
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| 440 | if (type_ != 0) |
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| 441 | { |
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| 442 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 443 | } |
---|
| 444 | else |
---|
| 445 | { |
---|
| 446 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 447 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 448 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 449 | exactDataBytePointer += exactByteSize; |
---|
| 450 | (*data)[index] = exactData + minValue; |
---|
| 451 | } |
---|
| 452 | } |
---|
| 453 | |
---|
| 454 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 455 | for (ii = 1; ii < r2; ii++) |
---|
| 456 | { |
---|
| 457 | /* Process Row-i data 0 */ |
---|
| 458 | index = kk*r23 + ii*r3; |
---|
| 459 | pred2D = (*data)[index-r3] + (*data)[index-r23] - (*data)[index-r23-r3]; |
---|
| 460 | |
---|
| 461 | type_ = type[index]; |
---|
| 462 | if (type_ != 0) |
---|
| 463 | { |
---|
| 464 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 465 | } |
---|
| 466 | else |
---|
| 467 | { |
---|
| 468 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 469 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 470 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 471 | exactDataBytePointer += exactByteSize; |
---|
| 472 | (*data)[index] = exactData + minValue; |
---|
| 473 | } |
---|
| 474 | |
---|
| 475 | /* Process Row-i data 1 --> data r3-1 */ |
---|
| 476 | for (jj = 1; jj < r3; jj++) |
---|
| 477 | { |
---|
| 478 | index = kk*r23 + ii*r3 + jj; |
---|
| 479 | pred3D = (*data)[index-1] + (*data)[index-r3] + (*data)[index-r23] |
---|
| 480 | - (*data)[index-r3-1] - (*data)[index-r23-r3] - (*data)[index-r23-1] + (*data)[index-r23-r3-1]; |
---|
| 481 | |
---|
| 482 | type_ = type[index]; |
---|
| 483 | if (type_ != 0) |
---|
| 484 | { |
---|
| 485 | (*data)[index] = pred3D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 486 | } |
---|
| 487 | else |
---|
| 488 | { |
---|
| 489 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 490 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 491 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 492 | exactDataBytePointer += exactByteSize; |
---|
| 493 | (*data)[index] = exactData + minValue; |
---|
| 494 | } |
---|
| 495 | } |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | free(type); |
---|
| 500 | return; |
---|
| 501 | } |
---|
| 502 | |
---|
| 503 | |
---|
| 504 | void decompressDataSeries_int32_4D(int32_t** data, size_t r1, size_t r2, size_t r3, size_t r4, TightDataPointStorageI* tdps) |
---|
| 505 | { |
---|
| 506 | updateQuantizationInfo(tdps->intervals); |
---|
| 507 | size_t dataSeriesLength = r1*r2*r3*r4; |
---|
| 508 | size_t r234 = r2*r3*r4; |
---|
| 509 | size_t r34 = r3*r4; |
---|
| 510 | |
---|
| 511 | double realPrecision = tdps->realPrecision; |
---|
| 512 | |
---|
| 513 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
---|
| 514 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
---|
| 515 | |
---|
| 516 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
---|
| 517 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
---|
| 518 | SZ_ReleaseHuffman(huffmanTree); |
---|
| 519 | |
---|
| 520 | int32_t minValue, exactData; |
---|
| 521 | |
---|
| 522 | minValue = tdps->minValue; |
---|
| 523 | |
---|
| 524 | int exactByteSize = tdps->exactByteSize; |
---|
| 525 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
---|
| 526 | |
---|
| 527 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
---|
| 528 | |
---|
| 529 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT32); |
---|
| 530 | |
---|
| 531 | int type_; |
---|
| 532 | |
---|
| 533 | int32_t pred1D, pred2D, pred3D; |
---|
| 534 | size_t ii, jj, kk, ll; |
---|
| 535 | size_t index; |
---|
| 536 | |
---|
| 537 | for (ll = 0; ll < r1; ll++) |
---|
| 538 | { |
---|
| 539 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
| 540 | /* Process Row-0 data 0*/ |
---|
| 541 | index = ll*r234; |
---|
| 542 | |
---|
| 543 | // recover the exact data |
---|
| 544 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 545 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 546 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 547 | exactDataBytePointer += exactByteSize; |
---|
| 548 | (*data)[index] = exactData + minValue; |
---|
| 549 | |
---|
| 550 | /* Process Row-0, data 1 */ |
---|
| 551 | index = ll*r234+1; |
---|
| 552 | |
---|
| 553 | pred1D = (*data)[index-1]; |
---|
| 554 | |
---|
| 555 | type_ = type[index]; |
---|
| 556 | if (type_ != 0) |
---|
| 557 | { |
---|
| 558 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 559 | } |
---|
| 560 | else |
---|
| 561 | { |
---|
| 562 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 563 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 564 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 565 | exactDataBytePointer += exactByteSize; |
---|
| 566 | (*data)[index] = exactData + minValue; |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | /* Process Row-0, data 2 --> data r4-1 */ |
---|
| 570 | for (jj = 2; jj < r4; jj++) |
---|
| 571 | { |
---|
| 572 | index = ll*r234+jj; |
---|
| 573 | |
---|
| 574 | pred1D = 2*(*data)[index-1] - (*data)[index-2]; |
---|
| 575 | |
---|
| 576 | type_ = type[index]; |
---|
| 577 | if (type_ != 0) |
---|
| 578 | { |
---|
| 579 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 580 | } |
---|
| 581 | else |
---|
| 582 | { |
---|
| 583 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 584 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 585 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 586 | exactDataBytePointer += exactByteSize; |
---|
| 587 | (*data)[index] = exactData + minValue; |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 592 | for (ii = 1; ii < r3; ii++) |
---|
| 593 | { |
---|
| 594 | /* Process row-ii data 0 */ |
---|
| 595 | index = ll*r234+ii*r4; |
---|
| 596 | |
---|
| 597 | pred1D = (*data)[index-r4]; |
---|
| 598 | |
---|
| 599 | type_ = type[index]; |
---|
| 600 | if (type_ != 0) |
---|
| 601 | { |
---|
| 602 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 603 | } |
---|
| 604 | else |
---|
| 605 | { |
---|
| 606 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 607 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 608 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 609 | exactDataBytePointer += exactByteSize; |
---|
| 610 | (*data)[index] = exactData + minValue; |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | /* Process row-ii data 1 --> r4-1*/ |
---|
| 614 | for (jj = 1; jj < r4; jj++) |
---|
| 615 | { |
---|
| 616 | index = ll*r234+ii*r4+jj; |
---|
| 617 | |
---|
| 618 | pred2D = (*data)[index-1] + (*data)[index-r4] - (*data)[index-r4-1]; |
---|
| 619 | |
---|
| 620 | type_ = type[index]; |
---|
| 621 | if (type_ != 0) |
---|
| 622 | { |
---|
| 623 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 624 | } |
---|
| 625 | else |
---|
| 626 | { |
---|
| 627 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 628 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 629 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 630 | exactDataBytePointer += exactByteSize; |
---|
| 631 | (*data)[index] = exactData + minValue; |
---|
| 632 | } |
---|
| 633 | } |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | /////////////////////////// Process layer-1 --> layer-r2-1 /////////////////////////// |
---|
| 637 | |
---|
| 638 | for (kk = 1; kk < r2; kk++) |
---|
| 639 | { |
---|
| 640 | /* Process Row-0 data 0*/ |
---|
| 641 | index = ll*r234+kk*r34; |
---|
| 642 | |
---|
| 643 | pred1D = (*data)[index-r34]; |
---|
| 644 | |
---|
| 645 | type_ = type[index]; |
---|
| 646 | if (type_ != 0) |
---|
| 647 | { |
---|
| 648 | (*data)[index] = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 649 | } |
---|
| 650 | else |
---|
| 651 | { |
---|
| 652 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 653 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 654 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 655 | exactDataBytePointer += exactByteSize; |
---|
| 656 | (*data)[index] = exactData + minValue; |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | /* Process Row-0 data 1 --> data r4-1 */ |
---|
| 660 | for (jj = 1; jj < r4; jj++) |
---|
| 661 | { |
---|
| 662 | index = ll*r234+kk*r34+jj; |
---|
| 663 | |
---|
| 664 | pred2D = (*data)[index-1] + (*data)[index-r34] - (*data)[index-r34-1]; |
---|
| 665 | |
---|
| 666 | type_ = type[index]; |
---|
| 667 | if (type_ != 0) |
---|
| 668 | { |
---|
| 669 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 670 | } |
---|
| 671 | else |
---|
| 672 | { |
---|
| 673 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 674 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 675 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 676 | exactDataBytePointer += exactByteSize; |
---|
| 677 | (*data)[index] = exactData + minValue; |
---|
| 678 | } |
---|
| 679 | } |
---|
| 680 | |
---|
| 681 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 682 | for (ii = 1; ii < r3; ii++) |
---|
| 683 | { |
---|
| 684 | /* Process Row-i data 0 */ |
---|
| 685 | index = ll*r234+kk*r34+ii*r4; |
---|
| 686 | |
---|
| 687 | pred2D = (*data)[index-r4] + (*data)[index-r34] - (*data)[index-r34-r4]; |
---|
| 688 | |
---|
| 689 | type_ = type[index]; |
---|
| 690 | if (type_ != 0) |
---|
| 691 | { |
---|
| 692 | (*data)[index] = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 693 | } |
---|
| 694 | else |
---|
| 695 | { |
---|
| 696 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 697 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 698 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 699 | exactDataBytePointer += exactByteSize; |
---|
| 700 | (*data)[index] = exactData + minValue; |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | /* Process Row-i data 1 --> data r4-1 */ |
---|
| 704 | for (jj = 1; jj < r4; jj++) |
---|
| 705 | { |
---|
| 706 | index = ll*r234+kk*r34+ii*r4+jj; |
---|
| 707 | |
---|
| 708 | pred3D = (*data)[index-1] + (*data)[index-r4] + (*data)[index-r34] |
---|
| 709 | - (*data)[index-r4-1] - (*data)[index-r34-r4] - (*data)[index-r34-1] + (*data)[index-r34-r4-1]; |
---|
| 710 | |
---|
| 711 | |
---|
| 712 | type_ = type[index]; |
---|
| 713 | if (type_ != 0) |
---|
| 714 | { |
---|
| 715 | (*data)[index] = pred3D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 716 | } |
---|
| 717 | else |
---|
| 718 | { |
---|
| 719 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 720 | exactData = bytesToInt32_bigEndian(curBytes); |
---|
| 721 | exactData = (uint32_t)exactData >> rightShiftBits; |
---|
| 722 | exactDataBytePointer += exactByteSize; |
---|
| 723 | (*data)[index] = exactData + minValue; |
---|
| 724 | } |
---|
| 725 | } |
---|
| 726 | } |
---|
| 727 | } |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | free(type); |
---|
| 731 | return; |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | void getSnapshotData_int32_1D(int32_t** data, size_t dataSeriesLength, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 735 | { |
---|
| 736 | size_t i; |
---|
| 737 | |
---|
| 738 | if (tdps->allSameData) { |
---|
| 739 | int32_t value = bytesToInt32_bigEndian(tdps->exactDataBytes); |
---|
| 740 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
---|
| 741 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 742 | (*data)[i] = value; |
---|
| 743 | } else { |
---|
| 744 | decompressDataSeries_int32_1D(data, dataSeriesLength, tdps); |
---|
| 745 | } |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | void getSnapshotData_int32_2D(int32_t** data, size_t r1, size_t r2, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 749 | { |
---|
| 750 | size_t i; |
---|
| 751 | size_t dataSeriesLength = r1*r2; |
---|
| 752 | if (tdps->allSameData) { |
---|
| 753 | int32_t value = bytesToInt32_bigEndian(tdps->exactDataBytes); |
---|
| 754 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
---|
| 755 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 756 | (*data)[i] = value; |
---|
| 757 | } else { |
---|
| 758 | decompressDataSeries_int32_2D(data, r1, r2, tdps); |
---|
| 759 | } |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | void getSnapshotData_int32_3D(int32_t** data, size_t r1, size_t r2, size_t r3, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 763 | { |
---|
| 764 | size_t i; |
---|
| 765 | size_t dataSeriesLength = r1*r2*r3; |
---|
| 766 | if (tdps->allSameData) { |
---|
| 767 | int32_t value = bytesToInt32_bigEndian(tdps->exactDataBytes); |
---|
| 768 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
---|
| 769 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 770 | (*data)[i] = value; |
---|
| 771 | } else { |
---|
| 772 | decompressDataSeries_int32_3D(data, r1, r2, r3, tdps); |
---|
| 773 | } |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | void getSnapshotData_int32_4D(int32_t** data, size_t r1, size_t r2, size_t r3, size_t r4, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 777 | { |
---|
| 778 | size_t i; |
---|
| 779 | size_t dataSeriesLength = r1*r2*r3*r4; |
---|
| 780 | if (tdps->allSameData) { |
---|
| 781 | int32_t value = bytesToInt32_bigEndian(tdps->exactDataBytes); |
---|
| 782 | *data = (int32_t*)malloc(sizeof(int32_t)*dataSeriesLength); |
---|
| 783 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 784 | (*data)[i] = value; |
---|
| 785 | } else { |
---|
| 786 | decompressDataSeries_int32_4D(data, r1, r2, r3, r4, tdps); |
---|
| 787 | } |
---|
| 788 | } |
---|