[2c47b73] | 1 | /** |
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| 2 | * @file szd_int8.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) 2017 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_int8.h" |
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| 17 | #include "Huffman.h" |
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[9ee2ce3] | 18 | #include "utility.h" |
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[2c47b73] | 19 | |
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| 20 | /** |
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| 21 | * |
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| 22 | * |
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| 23 | * @return status SUCCESSFUL (SZ_SCES) or not (other error codes) f |
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| 24 | * */ |
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| 25 | int SZ_decompress_args_int8(int8_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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| 26 | { |
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| 27 | int status = SZ_SCES; |
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| 28 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
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| 29 | |
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| 30 | //unsigned char* tmpBytes; |
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| 31 | size_t targetUncompressSize = dataLength <<2; //i.e., *4 |
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| 32 | //tmpSize must be "much" smaller than dataLength |
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| 33 | size_t i, tmpSize = 3+MetaDataByteLength+1+sizeof(int8_t)+exe_params->SZ_SIZE_TYPE; |
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| 34 | unsigned char* szTmpBytes; |
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| 35 | |
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| 36 | if(cmpSize!=4+1+4+MetaDataByteLength && cmpSize!=4+1+8+MetaDataByteLength) |
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| 37 | { |
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[9ee2ce3] | 38 | confparams_dec->losslessCompressor = is_lossless_compressed_data(cmpBytes, cmpSize); |
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| 39 | if(confparams_dec->losslessCompressor!=-1) |
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[2c47b73] | 40 | confparams_dec->szMode = SZ_BEST_COMPRESSION; |
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| 41 | else |
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| 42 | confparams_dec->szMode = SZ_BEST_SPEED; |
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| 43 | if(confparams_dec->szMode==SZ_BEST_SPEED) |
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| 44 | { |
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| 45 | tmpSize = cmpSize; |
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| 46 | szTmpBytes = cmpBytes; |
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| 47 | } |
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| 48 | else if(confparams_dec->szMode==SZ_BEST_COMPRESSION || confparams_dec->szMode==SZ_DEFAULT_COMPRESSION) |
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| 49 | { |
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| 50 | if(targetUncompressSize<MIN_ZLIB_DEC_ALLOMEM_BYTES) //Considering the minimum size |
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| 51 | targetUncompressSize = MIN_ZLIB_DEC_ALLOMEM_BYTES; |
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[9ee2ce3] | 52 | tmpSize = sz_lossless_decompress(confparams_dec->losslessCompressor, 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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[2c47b73] | 53 | //szTmpBytes = (unsigned char*)malloc(sizeof(unsigned char)*tmpSize); |
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| 54 | //memcpy(szTmpBytes, tmpBytes, tmpSize); |
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| 55 | //free(tmpBytes); //release useless memory |
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| 56 | } |
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| 57 | else |
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| 58 | { |
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| 59 | printf("Wrong value of confparams_dec->szMode in the double compressed bytes.\n"); |
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| 60 | status = SZ_MERR; |
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| 61 | return status; |
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| 62 | } |
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| 63 | } |
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| 64 | else |
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| 65 | szTmpBytes = cmpBytes; |
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| 66 | //TODO: convert szTmpBytes to data array. |
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| 67 | TightDataPointStorageI* tdps; |
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| 68 | int errBoundMode = new_TightDataPointStorageI_fromFlatBytes(&tdps, szTmpBytes, tmpSize); |
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| 69 | //writeByteData(tdps->typeArray, tdps->typeArray_size, "decompress-typebytes.tbt"); |
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| 70 | int dim = computeDimension(r5,r4,r3,r2,r1); |
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| 71 | int intSize = sizeof(int8_t); |
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| 72 | if(tdps->isLossless) |
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| 73 | { |
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| 74 | *newData = (int8_t*)malloc(intSize*dataLength); |
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| 75 | if(sysEndianType==BIG_ENDIAN_SYSTEM) |
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| 76 | { |
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| 77 | memcpy(*newData, szTmpBytes+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE, dataLength*intSize); |
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| 78 | } |
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| 79 | else |
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| 80 | { |
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| 81 | unsigned char* p = szTmpBytes+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE; |
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| 82 | for(i=0;i<dataLength;i++,p+=intSize) |
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| 83 | (*newData)[i] = *p; |
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| 84 | } |
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| 85 | } |
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| 86 | else if (dim == 1) |
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| 87 | getSnapshotData_int8_1D(newData,r1,tdps, errBoundMode); |
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| 88 | else |
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| 89 | if (dim == 2) |
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| 90 | getSnapshotData_int8_2D(newData,r2,r1,tdps, errBoundMode); |
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| 91 | else |
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| 92 | if (dim == 3) |
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| 93 | getSnapshotData_int8_3D(newData,r3,r2,r1,tdps, errBoundMode); |
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| 94 | else |
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| 95 | if (dim == 4) |
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| 96 | getSnapshotData_int8_4D(newData,r4,r3,r2,r1,tdps, errBoundMode); |
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| 97 | else |
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| 98 | { |
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| 99 | printf("Error: currently support only at most 4 dimensions!\n"); |
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| 100 | status = SZ_DERR; |
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| 101 | } |
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| 102 | free_TightDataPointStorageI2(tdps); |
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| 103 | if(confparams_dec->szMode!=SZ_BEST_SPEED && cmpSize!=4+sizeof(int8_t)+exe_params->SZ_SIZE_TYPE+MetaDataByteLength) |
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| 104 | free(szTmpBytes); |
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| 105 | return status; |
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| 106 | } |
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| 107 | |
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| 108 | |
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| 109 | void decompressDataSeries_int8_1D(int8_t** data, size_t dataSeriesLength, TightDataPointStorageI* tdps) |
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| 110 | { |
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| 111 | updateQuantizationInfo(tdps->intervals); |
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| 112 | double interval = tdps->realPrecision*2; |
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| 113 | |
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| 114 | *data = (int8_t*)malloc(sizeof(int8_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 | long predValue, tmp; |
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| 126 | int8_t minValue, exactData; |
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| 127 | |
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| 128 | minValue = tdps->minValue; |
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| 129 | |
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| 130 | int exactByteSize = tdps->exactByteSize; |
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| 131 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
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| 132 | |
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| 133 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
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| 134 | |
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| 135 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT8); |
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| 136 | if(rightShiftBits<0) |
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| 137 | { |
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| 138 | printf("Error: rightShift < 0!\n"); |
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| 139 | exit(0); |
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| 140 | } |
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| 141 | int type_; |
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| 142 | for (size_t i = 0; i < dataSeriesLength; i++) { |
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| 143 | type_ = type[i]; |
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| 144 | switch (type_) { |
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| 145 | case 0: |
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| 146 | // recover the exact data |
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| 147 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 148 | exactData = curBytes[0]; |
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| 149 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 150 | exactDataBytePointer += exactByteSize; |
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| 151 | (*data)[i] = exactData + minValue; |
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| 152 | break; |
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| 153 | default: |
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| 154 | //predValue = 2 * (*data)[i-1] - (*data)[i-2]; |
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| 155 | predValue = (*data)[i-1]; |
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| 156 | tmp = predValue + (type_-exe_params->intvRadius)*interval; |
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| 157 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 158 | (*data)[i] = tmp; |
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| 159 | else if(tmp < SZ_INT8_MIN) |
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| 160 | (*data)[i] = SZ_INT8_MIN; |
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| 161 | else |
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| 162 | (*data)[i] = SZ_INT8_MAX; |
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| 163 | break; |
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| 164 | } |
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| 165 | //printf("%.30G\n",(*data)[i]); |
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| 166 | } |
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| 167 | free(type); |
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| 168 | return; |
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| 169 | } |
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| 170 | |
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| 171 | void decompressDataSeries_int8_2D(int8_t** data, size_t r1, size_t r2, TightDataPointStorageI* tdps) |
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| 172 | { |
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| 173 | updateQuantizationInfo(tdps->intervals); |
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| 174 | //printf("tdps->intervals=%d, exe_params->intvRadius=%d\n", tdps->intervals, exe_params->intvRadius); |
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| 175 | |
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| 176 | size_t dataSeriesLength = r1*r2; |
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| 177 | // printf ("%d %d\n", r1, r2); |
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| 178 | |
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| 179 | double realPrecision = tdps->realPrecision; |
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| 180 | |
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| 181 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
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| 182 | |
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| 183 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
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| 184 | |
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| 185 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
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| 186 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
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| 187 | SZ_ReleaseHuffman(huffmanTree); |
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| 188 | |
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| 189 | int8_t minValue, exactData; |
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| 190 | |
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| 191 | minValue = tdps->minValue; |
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| 192 | |
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| 193 | int exactByteSize = tdps->exactByteSize; |
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| 194 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
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| 195 | |
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| 196 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
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| 197 | |
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| 198 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT8); |
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| 199 | |
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| 200 | long pred1D, pred2D, tmp; |
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| 201 | size_t ii, jj; |
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| 202 | |
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| 203 | /* Process Row-0, data 0 */ |
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| 204 | |
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| 205 | // recover the exact data |
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| 206 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 207 | exactData = curBytes[0]; |
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| 208 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 209 | exactDataBytePointer += exactByteSize; |
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| 210 | (*data)[0] = exactData + minValue; |
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| 211 | |
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| 212 | /* Process Row-0, data 1 */ |
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| 213 | int type_ = type[1]; |
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| 214 | if (type_ != 0) |
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| 215 | { |
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| 216 | pred1D = (*data)[0]; |
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| 217 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 218 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 219 | (*data)[1] = tmp; |
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| 220 | else if(tmp < SZ_INT8_MIN) |
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| 221 | (*data)[1] = SZ_INT8_MIN; |
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| 222 | else |
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| 223 | (*data)[1] = SZ_INT8_MAX; |
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| 224 | |
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| 225 | } |
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| 226 | else |
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| 227 | { |
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| 228 | // recover the exact data |
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| 229 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 230 | exactData = curBytes[0]; |
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| 231 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 232 | exactDataBytePointer += exactByteSize; |
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| 233 | (*data)[1] = exactData + minValue; |
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| 234 | } |
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| 235 | |
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| 236 | /* Process Row-0, data 2 --> data r2-1 */ |
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| 237 | for (jj = 2; jj < r2; jj++) |
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| 238 | { |
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| 239 | type_ = type[jj]; |
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| 240 | if (type_ != 0) |
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| 241 | { |
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| 242 | pred1D = 2*(*data)[jj-1] - (*data)[jj-2]; |
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| 243 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 244 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 245 | (*data)[jj] = tmp; |
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| 246 | else if(tmp < SZ_INT8_MIN) |
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| 247 | (*data)[jj] = SZ_INT8_MIN; |
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| 248 | else |
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| 249 | (*data)[jj] = SZ_INT8_MAX; |
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| 250 | } |
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| 251 | else |
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| 252 | { |
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| 253 | // recover the exact data |
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| 254 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 255 | exactData = curBytes[0]; |
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| 256 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 257 | exactDataBytePointer += exactByteSize; |
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| 258 | (*data)[jj] = exactData + minValue; |
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| 259 | } |
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| 260 | } |
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| 261 | |
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| 262 | size_t index; |
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| 263 | /* Process Row-1 --> Row-r1-1 */ |
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| 264 | for (ii = 1; ii < r1; ii++) |
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| 265 | { |
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| 266 | /* Process row-ii data 0 */ |
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| 267 | index = ii*r2; |
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| 268 | |
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| 269 | type_ = type[index]; |
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| 270 | if (type_ != 0) |
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| 271 | { |
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| 272 | pred1D = (*data)[index-r2]; |
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| 273 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 274 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 275 | (*data)[index] = tmp; |
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| 276 | else if(tmp < SZ_INT8_MIN) |
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| 277 | (*data)[index] = SZ_INT8_MIN; |
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| 278 | else |
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| 279 | (*data)[index] = SZ_INT8_MAX; |
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| 280 | } |
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| 281 | else |
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| 282 | { |
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| 283 | // recover the exact data |
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| 284 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 285 | exactData = curBytes[0]; |
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| 286 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 287 | exactDataBytePointer += exactByteSize; |
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| 288 | (*data)[index] = exactData + minValue; |
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| 289 | } |
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| 290 | |
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| 291 | /* Process row-ii data 1 --> r2-1*/ |
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| 292 | for (jj = 1; jj < r2; jj++) |
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| 293 | { |
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| 294 | index = ii*r2+jj; |
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| 295 | pred2D = (*data)[index-1] + (*data)[index-r2] - (*data)[index-r2-1]; |
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| 296 | |
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| 297 | type_ = type[index]; |
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| 298 | if (type_ != 0) |
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| 299 | { |
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| 300 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 301 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 302 | (*data)[index] = tmp; |
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| 303 | else if(tmp < SZ_INT8_MIN) |
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| 304 | (*data)[index] = SZ_INT8_MIN; |
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| 305 | else |
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| 306 | (*data)[index] = SZ_INT8_MAX; |
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| 307 | } |
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| 308 | else |
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| 309 | { |
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| 310 | // recover the exact data |
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| 311 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 312 | exactData = curBytes[0]; |
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| 313 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 314 | exactDataBytePointer += exactByteSize; |
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| 315 | (*data)[index] = exactData + minValue; |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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| 319 | |
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| 320 | free(type); |
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| 321 | return; |
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| 322 | } |
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| 323 | |
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| 324 | void decompressDataSeries_int8_3D(int8_t** data, size_t r1, size_t r2, size_t r3, TightDataPointStorageI* tdps) |
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| 325 | { |
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| 326 | updateQuantizationInfo(tdps->intervals); |
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| 327 | size_t dataSeriesLength = r1*r2*r3; |
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| 328 | size_t r23 = r2*r3; |
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| 329 | // printf ("%d %d %d\n", r1, r2, r3); |
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| 330 | double realPrecision = tdps->realPrecision; |
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| 331 | |
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| 332 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
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| 333 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
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| 334 | |
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| 335 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
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| 336 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
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| 337 | SZ_ReleaseHuffman(huffmanTree); |
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| 338 | |
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| 339 | int8_t minValue, exactData; |
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| 340 | |
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| 341 | minValue = tdps->minValue; |
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| 342 | |
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| 343 | int exactByteSize = tdps->exactByteSize; |
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| 344 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
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| 345 | |
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| 346 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
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| 347 | |
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| 348 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT8); |
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| 349 | |
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| 350 | long pred1D, pred2D, pred3D, tmp; |
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| 351 | size_t ii, jj, kk; |
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| 352 | |
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| 353 | /////////////////////////// Process layer-0 /////////////////////////// |
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| 354 | /* Process Row-0 data 0*/ |
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| 355 | |
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| 356 | // recover the exact data |
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| 357 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 358 | exactData = curBytes[0]; |
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| 359 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 360 | exactDataBytePointer += exactByteSize; |
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| 361 | (*data)[0] = exactData + minValue; |
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| 362 | |
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| 363 | /* Process Row-0, data 1 */ |
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| 364 | pred1D = (*data)[0]; |
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| 365 | |
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| 366 | int type_ = type[1]; |
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| 367 | if (type_ != 0) |
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| 368 | { |
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| 369 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 370 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 371 | (*data)[1] = tmp; |
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| 372 | else if(tmp < SZ_INT8_MIN) |
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| 373 | (*data)[1] = SZ_INT8_MIN; |
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| 374 | else |
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| 375 | (*data)[1] = SZ_INT8_MAX; |
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| 376 | } |
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| 377 | else |
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| 378 | { |
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| 379 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 380 | exactData = curBytes[0]; |
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| 381 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 382 | exactDataBytePointer += exactByteSize; |
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| 383 | (*data)[1] = exactData + minValue; |
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| 384 | } |
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| 385 | /* Process Row-0, data 2 --> data r3-1 */ |
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| 386 | for (jj = 2; jj < r3; jj++) |
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| 387 | { |
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| 388 | pred1D = 2*(*data)[jj-1] - (*data)[jj-2]; |
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| 389 | |
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| 390 | type_ = type[jj]; |
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| 391 | if (type_ != 0) |
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| 392 | { |
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| 393 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 394 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 395 | (*data)[jj] = tmp; |
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| 396 | else if(tmp < SZ_INT8_MIN) |
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| 397 | (*data)[jj] = SZ_INT8_MIN; |
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| 398 | else |
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| 399 | (*data)[jj] = SZ_INT8_MAX; } |
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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 = curBytes[0]; |
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| 404 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 405 | exactDataBytePointer += exactByteSize; |
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| 406 | (*data)[jj] = exactData + minValue; |
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| 407 | } |
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| 408 | } |
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| 409 | |
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| 410 | size_t index; |
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| 411 | /* Process Row-1 --> Row-r2-1 */ |
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| 412 | for (ii = 1; ii < r2; ii++) |
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| 413 | { |
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| 414 | /* Process row-ii data 0 */ |
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| 415 | index = ii*r3; |
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| 416 | pred1D = (*data)[index-r3]; |
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| 417 | |
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| 418 | type_ = type[index]; |
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| 419 | if (type_ != 0) |
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| 420 | { |
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| 421 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
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| 422 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
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| 423 | (*data)[index] = tmp; |
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| 424 | else if(tmp < SZ_INT8_MIN) |
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| 425 | (*data)[index] = SZ_INT8_MIN; |
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| 426 | else |
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| 427 | (*data)[index] = SZ_INT8_MAX; |
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| 428 | } |
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| 429 | else |
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| 430 | { |
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| 431 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
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| 432 | exactData = curBytes[0]; |
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| 433 | exactData = (uint8_t)exactData >> rightShiftBits; |
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| 434 | exactDataBytePointer += exactByteSize; |
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| 435 | (*data)[index] = exactData + minValue; |
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| 436 | } |
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| 437 | |
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| 438 | /* Process row-ii data 1 --> r3-1*/ |
---|
| 439 | for (jj = 1; jj < r3; jj++) |
---|
| 440 | { |
---|
| 441 | index = ii*r3+jj; |
---|
| 442 | pred2D = (*data)[index-1] + (*data)[index-r3] - (*data)[index-r3-1]; |
---|
| 443 | |
---|
| 444 | type_ = type[index]; |
---|
| 445 | if (type_ != 0) |
---|
| 446 | { |
---|
| 447 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 448 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 449 | (*data)[index] = tmp; |
---|
| 450 | else if(tmp < SZ_INT8_MIN) |
---|
| 451 | (*data)[index] = SZ_INT8_MIN; |
---|
| 452 | else |
---|
| 453 | (*data)[index] = SZ_INT8_MAX; |
---|
| 454 | } |
---|
| 455 | else |
---|
| 456 | { |
---|
| 457 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 458 | exactData = curBytes[0]; |
---|
| 459 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 460 | exactDataBytePointer += exactByteSize; |
---|
| 461 | (*data)[index] = exactData + minValue; |
---|
| 462 | } |
---|
| 463 | } |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
---|
| 467 | |
---|
| 468 | for (kk = 1; kk < r1; kk++) |
---|
| 469 | { |
---|
| 470 | /* Process Row-0 data 0*/ |
---|
| 471 | index = kk*r23; |
---|
| 472 | pred1D = (*data)[index-r23]; |
---|
| 473 | |
---|
| 474 | type_ = type[index]; |
---|
| 475 | if (type_ != 0) |
---|
| 476 | { |
---|
| 477 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 478 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 479 | (*data)[index] = tmp; |
---|
| 480 | else if(tmp < SZ_INT8_MIN) |
---|
| 481 | (*data)[index] = SZ_INT8_MIN; |
---|
| 482 | else |
---|
| 483 | (*data)[index] = SZ_INT8_MAX; |
---|
| 484 | } |
---|
| 485 | else |
---|
| 486 | { |
---|
| 487 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 488 | exactData = curBytes[0]; |
---|
| 489 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 490 | exactDataBytePointer += exactByteSize; |
---|
| 491 | (*data)[index] = exactData + minValue; |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | /* Process Row-0 data 1 --> data r3-1 */ |
---|
| 495 | for (jj = 1; jj < r3; jj++) |
---|
| 496 | { |
---|
| 497 | index = kk*r23+jj; |
---|
| 498 | pred2D = (*data)[index-1] + (*data)[index-r23] - (*data)[index-r23-1]; |
---|
| 499 | |
---|
| 500 | type_ = type[index]; |
---|
| 501 | if (type_ != 0) |
---|
| 502 | { |
---|
| 503 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 504 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 505 | (*data)[index] = tmp; |
---|
| 506 | else if(tmp < SZ_INT8_MIN) |
---|
| 507 | (*data)[index] = SZ_INT8_MIN; |
---|
| 508 | else |
---|
| 509 | (*data)[index] = SZ_INT8_MAX; |
---|
| 510 | } |
---|
| 511 | else |
---|
| 512 | { |
---|
| 513 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 514 | exactData = curBytes[0]; |
---|
| 515 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 516 | exactDataBytePointer += exactByteSize; |
---|
| 517 | (*data)[index] = exactData + minValue; |
---|
| 518 | } |
---|
| 519 | } |
---|
| 520 | |
---|
| 521 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 522 | for (ii = 1; ii < r2; ii++) |
---|
| 523 | { |
---|
| 524 | /* Process Row-i data 0 */ |
---|
| 525 | index = kk*r23 + ii*r3; |
---|
| 526 | pred2D = (*data)[index-r3] + (*data)[index-r23] - (*data)[index-r23-r3]; |
---|
| 527 | |
---|
| 528 | type_ = type[index]; |
---|
| 529 | if (type_ != 0) |
---|
| 530 | { |
---|
| 531 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 532 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 533 | (*data)[index] = tmp; |
---|
| 534 | else if(tmp < SZ_INT8_MIN) |
---|
| 535 | (*data)[index] = SZ_INT8_MIN; |
---|
| 536 | else |
---|
| 537 | (*data)[index] = SZ_INT8_MAX; |
---|
| 538 | } |
---|
| 539 | else |
---|
| 540 | { |
---|
| 541 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 542 | exactData = curBytes[0]; |
---|
| 543 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 544 | exactDataBytePointer += exactByteSize; |
---|
| 545 | (*data)[index] = exactData + minValue; |
---|
| 546 | } |
---|
| 547 | |
---|
| 548 | /* Process Row-i data 1 --> data r3-1 */ |
---|
| 549 | for (jj = 1; jj < r3; jj++) |
---|
| 550 | { |
---|
| 551 | index = kk*r23 + ii*r3 + jj; |
---|
| 552 | pred3D = (*data)[index-1] + (*data)[index-r3] + (*data)[index-r23] |
---|
| 553 | - (*data)[index-r3-1] - (*data)[index-r23-r3] - (*data)[index-r23-1] + (*data)[index-r23-r3-1]; |
---|
| 554 | |
---|
| 555 | type_ = type[index]; |
---|
| 556 | if (type_ != 0) |
---|
| 557 | { |
---|
| 558 | tmp = pred3D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 559 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 560 | (*data)[index] = tmp; |
---|
| 561 | else if(tmp < SZ_INT8_MIN) |
---|
| 562 | (*data)[index] = SZ_INT8_MIN; |
---|
| 563 | else |
---|
| 564 | (*data)[index] = SZ_INT8_MAX; |
---|
| 565 | } |
---|
| 566 | else |
---|
| 567 | { |
---|
| 568 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 569 | exactData = curBytes[0]; |
---|
| 570 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 571 | exactDataBytePointer += exactByteSize; |
---|
| 572 | (*data)[index] = exactData + minValue; |
---|
| 573 | } |
---|
| 574 | } |
---|
| 575 | } |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | free(type); |
---|
| 579 | return; |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | |
---|
| 583 | void decompressDataSeries_int8_4D(int8_t** data, size_t r1, size_t r2, size_t r3, size_t r4, TightDataPointStorageI* tdps) |
---|
| 584 | { |
---|
| 585 | updateQuantizationInfo(tdps->intervals); |
---|
| 586 | size_t dataSeriesLength = r1*r2*r3*r4; |
---|
| 587 | size_t r234 = r2*r3*r4; |
---|
| 588 | size_t r34 = r3*r4; |
---|
| 589 | |
---|
| 590 | double realPrecision = tdps->realPrecision; |
---|
| 591 | |
---|
| 592 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
---|
| 593 | int* type = (int*)malloc(dataSeriesLength*sizeof(int)); |
---|
| 594 | |
---|
| 595 | HuffmanTree* huffmanTree = createHuffmanTree(tdps->stateNum); |
---|
| 596 | decode_withTree(huffmanTree, tdps->typeArray, dataSeriesLength, type); |
---|
| 597 | SZ_ReleaseHuffman(huffmanTree); |
---|
| 598 | |
---|
| 599 | int8_t minValue, exactData; |
---|
| 600 | |
---|
| 601 | minValue = tdps->minValue; |
---|
| 602 | |
---|
| 603 | int exactByteSize = tdps->exactByteSize; |
---|
| 604 | unsigned char* exactDataBytePointer = tdps->exactDataBytes; |
---|
| 605 | |
---|
| 606 | unsigned char curBytes[8] = {0,0,0,0,0,0,0,0}; |
---|
| 607 | |
---|
| 608 | int rightShiftBits = computeRightShiftBits(exactByteSize, SZ_INT8); |
---|
| 609 | |
---|
| 610 | int type_; |
---|
| 611 | |
---|
| 612 | long pred1D, pred2D, pred3D, tmp; |
---|
| 613 | size_t ii, jj, kk, ll; |
---|
| 614 | size_t index; |
---|
| 615 | |
---|
| 616 | for (ll = 0; ll < r1; ll++) |
---|
| 617 | { |
---|
| 618 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
| 619 | /* Process Row-0 data 0*/ |
---|
| 620 | index = ll*r234; |
---|
| 621 | // recover the exact data |
---|
| 622 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 623 | exactData = curBytes[0]; |
---|
| 624 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 625 | exactDataBytePointer += exactByteSize; |
---|
| 626 | (*data)[index] = exactData + minValue; |
---|
| 627 | |
---|
| 628 | /* Process Row-0, data 1 */ |
---|
| 629 | index = ll*r234+1; |
---|
| 630 | |
---|
| 631 | pred1D = (*data)[index-1]; |
---|
| 632 | |
---|
| 633 | type_ = type[index]; |
---|
| 634 | if (type_ != 0) |
---|
| 635 | { |
---|
| 636 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 637 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 638 | (*data)[index] = tmp; |
---|
| 639 | else if(tmp < SZ_INT8_MIN) |
---|
| 640 | (*data)[index] = SZ_INT8_MIN; |
---|
| 641 | else |
---|
| 642 | (*data)[index] = SZ_INT8_MAX; |
---|
| 643 | } |
---|
| 644 | else |
---|
| 645 | { |
---|
| 646 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 647 | exactData = curBytes[0]; |
---|
| 648 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 649 | exactDataBytePointer += exactByteSize; |
---|
| 650 | (*data)[index] = exactData + minValue; |
---|
| 651 | } |
---|
| 652 | |
---|
| 653 | /* Process Row-0, data 2 --> data r4-1 */ |
---|
| 654 | for (jj = 2; jj < r4; jj++) |
---|
| 655 | { |
---|
| 656 | index = ll*r234+jj; |
---|
| 657 | |
---|
| 658 | pred1D = 2*(*data)[index-1] - (*data)[index-2]; |
---|
| 659 | |
---|
| 660 | type_ = type[index]; |
---|
| 661 | if (type_ != 0) |
---|
| 662 | { |
---|
| 663 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 664 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 665 | (*data)[index] = tmp; |
---|
| 666 | else if(tmp < SZ_INT8_MIN) |
---|
| 667 | (*data)[index] = SZ_INT8_MIN; |
---|
| 668 | else |
---|
| 669 | (*data)[index] = SZ_INT8_MAX; |
---|
| 670 | } |
---|
| 671 | else |
---|
| 672 | { |
---|
| 673 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 674 | exactData = curBytes[0]; |
---|
| 675 | exactData = (uint8_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-ii data 0 */ |
---|
| 685 | index = ll*r234+ii*r4; |
---|
| 686 | |
---|
| 687 | pred1D = (*data)[index-r4]; |
---|
| 688 | |
---|
| 689 | type_ = type[index]; |
---|
| 690 | if (type_ != 0) |
---|
| 691 | { |
---|
| 692 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 693 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 694 | (*data)[index] = tmp; |
---|
| 695 | else if(tmp < SZ_INT8_MIN) |
---|
| 696 | (*data)[index] = SZ_INT8_MIN; |
---|
| 697 | else |
---|
| 698 | (*data)[index] = SZ_INT8_MAX; |
---|
| 699 | } |
---|
| 700 | else |
---|
| 701 | { |
---|
| 702 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 703 | exactData = curBytes[0]; |
---|
| 704 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 705 | exactDataBytePointer += exactByteSize; |
---|
| 706 | (*data)[index] = exactData + minValue; |
---|
| 707 | } |
---|
| 708 | |
---|
| 709 | /* Process row-ii data 1 --> r4-1*/ |
---|
| 710 | for (jj = 1; jj < r4; jj++) |
---|
| 711 | { |
---|
| 712 | index = ll*r234+ii*r4+jj; |
---|
| 713 | |
---|
| 714 | pred2D = (*data)[index-1] + (*data)[index-r4] - (*data)[index-r4-1]; |
---|
| 715 | |
---|
| 716 | type_ = type[index]; |
---|
| 717 | if (type_ != 0) |
---|
| 718 | { |
---|
| 719 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 720 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 721 | (*data)[index] = tmp; |
---|
| 722 | else if(tmp < SZ_INT8_MIN) |
---|
| 723 | (*data)[index] = SZ_INT8_MIN; |
---|
| 724 | else |
---|
| 725 | (*data)[index] = SZ_INT8_MAX; |
---|
| 726 | } |
---|
| 727 | else |
---|
| 728 | { |
---|
| 729 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 730 | exactData = curBytes[0]; |
---|
| 731 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 732 | exactDataBytePointer += exactByteSize; |
---|
| 733 | (*data)[index] = exactData + minValue; |
---|
| 734 | } |
---|
| 735 | } |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | /////////////////////////// Process layer-1 --> layer-r2-1 /////////////////////////// |
---|
| 739 | |
---|
| 740 | for (kk = 1; kk < r2; kk++) |
---|
| 741 | { |
---|
| 742 | /* Process Row-0 data 0*/ |
---|
| 743 | index = ll*r234+kk*r34; |
---|
| 744 | |
---|
| 745 | pred1D = (*data)[index-r34]; |
---|
| 746 | |
---|
| 747 | type_ = type[index]; |
---|
| 748 | if (type_ != 0) |
---|
| 749 | { |
---|
| 750 | tmp = pred1D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 751 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 752 | (*data)[index] = tmp; |
---|
| 753 | else if(tmp < SZ_INT8_MIN) |
---|
| 754 | (*data)[index] = SZ_INT8_MIN; |
---|
| 755 | else |
---|
| 756 | (*data)[index] = SZ_INT8_MAX; |
---|
| 757 | } |
---|
| 758 | else |
---|
| 759 | { |
---|
| 760 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 761 | exactData = curBytes[0]; |
---|
| 762 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 763 | exactDataBytePointer += exactByteSize; |
---|
| 764 | (*data)[index] = exactData + minValue; |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | /* Process Row-0 data 1 --> data r4-1 */ |
---|
| 768 | for (jj = 1; jj < r4; jj++) |
---|
| 769 | { |
---|
| 770 | index = ll*r234+kk*r34+jj; |
---|
| 771 | |
---|
| 772 | pred2D = (*data)[index-1] + (*data)[index-r34] - (*data)[index-r34-1]; |
---|
| 773 | |
---|
| 774 | type_ = type[index]; |
---|
| 775 | if (type_ != 0) |
---|
| 776 | { |
---|
| 777 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 778 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 779 | (*data)[index] = tmp; |
---|
| 780 | else if(tmp < SZ_INT8_MIN) |
---|
| 781 | (*data)[index] = SZ_INT8_MIN; |
---|
| 782 | else |
---|
| 783 | (*data)[index] = SZ_INT8_MAX; |
---|
| 784 | } |
---|
| 785 | else |
---|
| 786 | { |
---|
| 787 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 788 | exactData = curBytes[0]; |
---|
| 789 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 790 | exactDataBytePointer += exactByteSize; |
---|
| 791 | (*data)[index] = exactData + minValue; |
---|
| 792 | } |
---|
| 793 | } |
---|
| 794 | |
---|
| 795 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 796 | for (ii = 1; ii < r3; ii++) |
---|
| 797 | { |
---|
| 798 | /* Process Row-i data 0 */ |
---|
| 799 | index = ll*r234+kk*r34+ii*r4; |
---|
| 800 | |
---|
| 801 | pred2D = (*data)[index-r4] + (*data)[index-r34] - (*data)[index-r34-r4]; |
---|
| 802 | |
---|
| 803 | type_ = type[index]; |
---|
| 804 | if (type_ != 0) |
---|
| 805 | { |
---|
| 806 | tmp = pred2D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 807 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 808 | (*data)[index] = tmp; |
---|
| 809 | else if(tmp < SZ_INT8_MIN) |
---|
| 810 | (*data)[index] = SZ_INT8_MIN; |
---|
| 811 | else |
---|
| 812 | (*data)[index] = SZ_INT8_MAX; |
---|
| 813 | } |
---|
| 814 | else |
---|
| 815 | { |
---|
| 816 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 817 | exactData = curBytes[0]; |
---|
| 818 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 819 | exactDataBytePointer += exactByteSize; |
---|
| 820 | (*data)[index] = exactData + minValue; |
---|
| 821 | } |
---|
| 822 | |
---|
| 823 | /* Process Row-i data 1 --> data r4-1 */ |
---|
| 824 | for (jj = 1; jj < r4; jj++) |
---|
| 825 | { |
---|
| 826 | index = ll*r234+kk*r34+ii*r4+jj; |
---|
| 827 | |
---|
| 828 | pred3D = (*data)[index-1] + (*data)[index-r4] + (*data)[index-r34] |
---|
| 829 | - (*data)[index-r4-1] - (*data)[index-r34-r4] - (*data)[index-r34-1] + (*data)[index-r34-r4-1]; |
---|
| 830 | |
---|
| 831 | type_ = type[index]; |
---|
| 832 | if (type_ != 0) |
---|
| 833 | { |
---|
| 834 | tmp = pred3D + 2 * (type_ - exe_params->intvRadius) * realPrecision; |
---|
| 835 | if(tmp >= SZ_INT8_MIN&&tmp<SZ_INT8_MAX) |
---|
| 836 | (*data)[index] = tmp; |
---|
| 837 | else if(tmp < SZ_INT8_MIN) |
---|
| 838 | (*data)[index] = SZ_INT8_MIN; |
---|
| 839 | else |
---|
| 840 | (*data)[index] = SZ_INT8_MAX; |
---|
| 841 | } |
---|
| 842 | else |
---|
| 843 | { |
---|
| 844 | memcpy(curBytes, exactDataBytePointer, exactByteSize); |
---|
| 845 | exactData = curBytes[0]; |
---|
| 846 | exactData = (uint8_t)exactData >> rightShiftBits; |
---|
| 847 | exactDataBytePointer += exactByteSize; |
---|
| 848 | (*data)[index] = exactData + minValue; |
---|
| 849 | } |
---|
| 850 | } |
---|
| 851 | } |
---|
| 852 | } |
---|
| 853 | } |
---|
| 854 | |
---|
| 855 | free(type); |
---|
| 856 | return; |
---|
| 857 | } |
---|
| 858 | |
---|
| 859 | void getSnapshotData_int8_1D(int8_t** data, size_t dataSeriesLength, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 860 | { |
---|
| 861 | size_t i; |
---|
| 862 | |
---|
| 863 | if (tdps->allSameData) { |
---|
| 864 | int8_t value = tdps->exactDataBytes[0]; |
---|
| 865 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
---|
| 866 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 867 | (*data)[i] = value; |
---|
| 868 | } else { |
---|
| 869 | decompressDataSeries_int8_1D(data, dataSeriesLength, tdps); |
---|
| 870 | } |
---|
| 871 | } |
---|
| 872 | |
---|
| 873 | void getSnapshotData_int8_2D(int8_t** data, size_t r1, size_t r2, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 874 | { |
---|
| 875 | size_t i; |
---|
| 876 | size_t dataSeriesLength = r1*r2; |
---|
| 877 | if (tdps->allSameData) { |
---|
| 878 | int8_t value = tdps->exactDataBytes[0]; |
---|
| 879 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
---|
| 880 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 881 | (*data)[i] = value; |
---|
| 882 | } else { |
---|
| 883 | decompressDataSeries_int8_2D(data, r1, r2, tdps); |
---|
| 884 | } |
---|
| 885 | } |
---|
| 886 | |
---|
| 887 | void getSnapshotData_int8_3D(int8_t** data, size_t r1, size_t r2, size_t r3, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 888 | { |
---|
| 889 | size_t i; |
---|
| 890 | size_t dataSeriesLength = r1*r2*r3; |
---|
| 891 | if (tdps->allSameData) { |
---|
| 892 | int8_t value = tdps->exactDataBytes[0]; |
---|
| 893 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
---|
| 894 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 895 | (*data)[i] = value; |
---|
| 896 | } else { |
---|
| 897 | decompressDataSeries_int8_3D(data, r1, r2, r3, tdps); |
---|
| 898 | } |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | void getSnapshotData_int8_4D(int8_t** data, size_t r1, size_t r2, size_t r3, size_t r4, TightDataPointStorageI* tdps, int errBoundMode) |
---|
| 902 | { |
---|
| 903 | size_t i; |
---|
| 904 | size_t dataSeriesLength = r1*r2*r3*r4; |
---|
| 905 | if (tdps->allSameData) { |
---|
| 906 | int8_t value = tdps->exactDataBytes[0]; |
---|
| 907 | *data = (int8_t*)malloc(sizeof(int8_t)*dataSeriesLength); |
---|
| 908 | for (i = 0; i < dataSeriesLength; i++) |
---|
| 909 | (*data)[i] = value; |
---|
| 910 | } else { |
---|
| 911 | decompressDataSeries_int8_4D(data, r1, r2, r3, r4, tdps); |
---|
| 912 | } |
---|
| 913 | } |
---|