/** * @file TightPointDataStorageF.c * @author Sheng Di and Dingwen Tao * @date Aug, 2016 * @brief The functions used to construct the tightPointDataStorage element for storing compressed bytes. * (C) 2016 by Mathematics and Computer Science (MCS), Argonne National Laboratory. * See COPYRIGHT in top-level directory. */ #include #include #include #include "TightDataPointStorageF.h" #include "sz.h" #include "Huffman.h" //#include "rw.h" void new_TightDataPointStorageF_Empty(TightDataPointStorageF **this) { *this = (TightDataPointStorageF*)malloc(sizeof(TightDataPointStorageF)); (*this)->dataSeriesLength = 0; (*this)->allSameData = 0; (*this)->exactDataNum = 0; (*this)->reservedValue = 0; (*this)->reqLength = 0; (*this)->radExpo = 0; (*this)->rtypeArray = NULL; (*this)->rtypeArray_size = 0; (*this)->typeArray = NULL; //its size is dataSeriesLength/4 (or xxx/4+1) (*this)->typeArray_size = 0; (*this)->leadNumArray = NULL; //its size is exactDataNum/4 (or exactDataNum/4+1) (*this)->leadNumArray_size = 0; (*this)->exactMidBytes = NULL; (*this)->exactMidBytes_size = 0; (*this)->residualMidBits = NULL; (*this)->residualMidBits_size = 0; (*this)->intervals = 0; (*this)->isLossless = 0; (*this)->segment_size = 0; (*this)->pwrErrBoundBytes = NULL; (*this)->pwrErrBoundBytes_size = 0; (*this)->raBytes = NULL; (*this)->raBytes_size = 0; } int new_TightDataPointStorageF_fromFlatBytes(TightDataPointStorageF **this, unsigned char* flatBytes, size_t flatBytesLength, sz_exedata* pde_exe, sz_params* pde_params) { new_TightDataPointStorageF_Empty(this); size_t i, index = 0; size_t pwrErrBoundBytes_size = 0, segmentL = 0, radExpoL = 0, pwrErrBoundBytesL = 0; char version[3]; for (i = 0; i < 3; i++) version[i] = flatBytes[index++]; //3 unsigned char sameRByte = flatBytes[index++]; //1 if(checkVersion2(version)!=1) { //wrong version printf("Wrong version: \nCompressed-data version (%d.%d.%d)\n",version[0], version[1], version[2]); printf("Current sz version: (%d.%d.%d)\n", versionNumber[0], versionNumber[1], versionNumber[2]); printf("Please double-check if the compressed data (or file) is correct.\n"); exit(0); } //note that 1000,0000 is reserved for regression tag. int same = sameRByte & 0x01; //0000,0001 (*this)->isLossless = (sameRByte & 0x10)>>4; //0001,0000 int isPW_REL = (sameRByte & 0x20)>>5; //0010,0000 exe_params->SZ_SIZE_TYPE = ((sameRByte & 0x40)>>6)==1?8:4; //0100,0000 //pde_params->randomAccess = (sameRByte & 0x02) >> 1; //pde_params->szMode = (sameRByte & 0x06) >> 1; //0000,0110 (in fact, this szMode could be removed because convertSZParamsToBytes will overwrite it) pde_params->protectValueRange = (sameRByte & 0x04)>>2; pde_params->accelerate_pw_rel_compression = (sameRByte & 0x08) >> 3;//0000,1000 int errorBoundMode = SZ_ABS; if(isPW_REL) { errorBoundMode = PW_REL; segmentL = exe_params->SZ_SIZE_TYPE; pwrErrBoundBytesL = 4; } convertBytesToSZParams(&(flatBytes[index]), pde_params, pde_exe); index += MetaDataByteLength; int isRegression = (sameRByte >> 7) & 0x01; unsigned char dsLengthBytes[8]; for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) dsLengthBytes[i] = flatBytes[index++]; (*this)->dataSeriesLength = bytesToSize(dsLengthBytes);// 4 or 8 if((*this)->isLossless==1) { //(*this)->exactMidBytes = flatBytes+8; return errorBoundMode; } else if(same==1) { (*this)->allSameData = 1; //size_t exactMidBytesLength = sizeof(double);//flatBytesLength - 3 - 1 - MetaDataByteLength -exe_params->SZ_SIZE_TYPE; (*this)->exactMidBytes = &(flatBytes[index]); return errorBoundMode; } else (*this)->allSameData = 0; if(isRegression == 1) { (*this)->raBytes_size = flatBytesLength - 3 - 1 - MetaDataByteLength - exe_params->SZ_SIZE_TYPE; (*this)->raBytes = &(flatBytes[index]); return errorBoundMode; } int rtype_ = 0;//sameRByte & 0x08; //=00001000 unsigned char byteBuf[8]; for (i = 0; i < 4; i++) byteBuf[i] = flatBytes[index++]; int max_quant_intervals = bytesToInt_bigEndian(byteBuf);// 4 pde_params->maxRangeRadius = max_quant_intervals/2; if(errorBoundMode>=PW_REL) { (*this)->radExpo = flatBytes[index++];//1 radExpoL = 1; for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) byteBuf[i] = flatBytes[index++]; pde_params->segment_size = (*this)->segment_size = bytesToSize(byteBuf);// exe_params->SZ_SIZE_TYPE for (i = 0; i < 4; i++) byteBuf[i] = flatBytes[index++]; pwrErrBoundBytes_size = (*this)->pwrErrBoundBytes_size = bytesToInt_bigEndian(byteBuf);// 4 } else { pwrErrBoundBytes_size = 0; (*this)->pwrErrBoundBytes = NULL; } for (i = 0; i < 4; i++) byteBuf[i] = flatBytes[index++]; (*this)->intervals = bytesToInt_bigEndian(byteBuf);// 4 for (i = 0; i < 4; i++) byteBuf[i] = flatBytes[index++]; (*this)->medianValue = bytesToFloat(byteBuf); //4 (*this)->reqLength = flatBytes[index++]; //1 if(isPW_REL && pde_params->accelerate_pw_rel_compression) { (*this)->plus_bits = flatBytes[index++]; (*this)->max_bits = flatBytes[index++]; } for (i = 0; i < 8; i++) byteBuf[i] = flatBytes[index++]; (*this)->realPrecision = bytesToDouble(byteBuf);//8 for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) byteBuf[i] = flatBytes[index++]; (*this)->typeArray_size = bytesToSize(byteBuf);// 4 if(rtype_!=0) { for(i = 0;iSZ_SIZE_TYPE;i++) byteBuf[i] = flatBytes[index++]; (*this)->rtypeArray_size = bytesToSize(byteBuf);//(ST) } else (*this)->rtypeArray_size = 0; for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) byteBuf[i] = flatBytes[index++]; (*this)->exactDataNum = bytesToSize(byteBuf);// ST for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) byteBuf[i] = flatBytes[index++]; (*this)->exactMidBytes_size = bytesToSize(byteBuf);// ST if (rtype_ != 0) { if((*this)->rtypeArray_size>0) (*this)->rtypeArray = (unsigned char*)malloc(sizeof(unsigned char)*(*this)->rtypeArray_size); else (*this)->rtypeArray = NULL; for (i = 0; i < 4; i++) byteBuf[i] = flatBytes[index++]; (*this)->reservedValue = bytesToFloat(byteBuf);//4 } size_t logicLeadNumBitsNum = (*this)->exactDataNum * 2; if (logicLeadNumBitsNum % 8 == 0) { (*this)->leadNumArray_size = logicLeadNumBitsNum >> 3; } else { (*this)->leadNumArray_size = (logicLeadNumBitsNum >> 3) + 1; } int minLogValueSize = 0; if(errorBoundMode>=PW_REL) minLogValueSize = 4; if ((*this)->rtypeArray != NULL) { (*this)->residualMidBits_size = flatBytesLength - 3 - 1 - MetaDataByteLength - exe_params->SZ_SIZE_TYPE - 4 - radExpoL - segmentL - pwrErrBoundBytesL - 4 - 4 - 1 - 8 - exe_params->SZ_SIZE_TYPE - exe_params->SZ_SIZE_TYPE - exe_params->SZ_SIZE_TYPE - minLogValueSize - exe_params->SZ_SIZE_TYPE - 4 - (*this)->rtypeArray_size - minLogValueSize - (*this)->typeArray_size - (*this)->leadNumArray_size - (*this)->exactMidBytes_size - pwrErrBoundBytes_size - 1 - 1; for (i = 0; i < (*this)->rtypeArray_size; i++) (*this)->rtypeArray[i] = flatBytes[index++]; } else { (*this)->residualMidBits_size = flatBytesLength - 3 - 1 - MetaDataByteLength - exe_params->SZ_SIZE_TYPE - 4 - radExpoL - segmentL - pwrErrBoundBytesL - 4 - 4 - 1 - 8 - exe_params->SZ_SIZE_TYPE - exe_params->SZ_SIZE_TYPE - exe_params->SZ_SIZE_TYPE - minLogValueSize - (*this)->typeArray_size - (*this)->leadNumArray_size - (*this)->exactMidBytes_size - pwrErrBoundBytes_size - 1 - 1; } if(errorBoundMode>=PW_REL) { (*this)->minLogValue = bytesToFloat(&flatBytes[index]); index+=4; } (*this)->typeArray = &flatBytes[index]; //retrieve the number of states (i.e., stateNum) (*this)->allNodes = bytesToInt_bigEndian((*this)->typeArray); //the first 4 bytes store the stateNum (*this)->stateNum = ((*this)->allNodes+1)/2; index+=(*this)->typeArray_size; (*this)->pwrErrBoundBytes = &flatBytes[index]; index+=pwrErrBoundBytes_size; (*this)->leadNumArray = &flatBytes[index]; index+=(*this)->leadNumArray_size; (*this)->exactMidBytes = &flatBytes[index]; index+=(*this)->exactMidBytes_size; (*this)->residualMidBits = &flatBytes[index]; //index+=(*this)->residualMidBits_size; return errorBoundMode; } /** * * type's length == dataSeriesLength * exactMidBytes's length == exactMidBytes_size * leadNumIntArray's length == exactDataNum * escBytes's length == escBytes_size * resiBitLength's length == resiBitLengthSize * */ void new_TightDataPointStorageF(TightDataPointStorageF **this, size_t dataSeriesLength, size_t exactDataNum, int* type, unsigned char* exactMidBytes, size_t exactMidBytes_size, unsigned char* leadNumIntArray, //leadNumIntArray contains readable numbers.... unsigned char* resiMidBits, size_t resiMidBits_size, unsigned char resiBitLength, double realPrecision, float medianValue, char reqLength, unsigned int intervals, unsigned char* pwrErrBoundBytes, size_t pwrErrBoundBytes_size, unsigned char radExpo) { *this = (TightDataPointStorageF *)malloc(sizeof(TightDataPointStorageF)); (*this)->allSameData = 0; (*this)->realPrecision = realPrecision; (*this)->medianValue = medianValue; (*this)->reqLength = reqLength; (*this)->dataSeriesLength = dataSeriesLength; (*this)->exactDataNum = exactDataNum; (*this)->rtypeArray = NULL; (*this)->rtypeArray_size = 0; int stateNum = 2*intervals; HuffmanTree* huffmanTree = createHuffmanTree(stateNum); if(confparams_cpr->errorBoundMode == PW_REL && confparams_cpr->accelerate_pw_rel_compression) (*this)->max_bits = encode_withTree_MSST19(huffmanTree, type, dataSeriesLength, &(*this)->typeArray, &(*this)->typeArray_size); else encode_withTree(huffmanTree, type, dataSeriesLength, &(*this)->typeArray, &(*this)->typeArray_size); SZ_ReleaseHuffman(huffmanTree); (*this)->exactMidBytes = exactMidBytes; (*this)->exactMidBytes_size = exactMidBytes_size; (*this)->leadNumArray_size = convertIntArray2ByteArray_fast_2b(leadNumIntArray, exactDataNum, &((*this)->leadNumArray)); (*this)->residualMidBits_size = convertIntArray2ByteArray_fast_dynamic(resiMidBits, resiBitLength, exactDataNum, &((*this)->residualMidBits)); (*this)->intervals = intervals; (*this)->isLossless = 0; if(confparams_cpr->errorBoundMode>=PW_REL) (*this)->pwrErrBoundBytes = pwrErrBoundBytes; else (*this)->pwrErrBoundBytes = NULL; (*this)->radExpo = radExpo; (*this)->pwrErrBoundBytes_size = pwrErrBoundBytes_size; } void new_TightDataPointStorageF2(TightDataPointStorageF **this, size_t dataSeriesLength, size_t exactDataNum, int* type, unsigned char* exactMidBytes, size_t exactMidBytes_size, unsigned char* leadNumIntArray, //leadNumIntArray contains readable numbers.... unsigned char* resiMidBits, size_t resiMidBits_size, unsigned char* resiBitLength, size_t resiBitLengthSize, double realPrecision, float medianValue, char reqLength, unsigned int intervals, unsigned char* pwrErrBoundBytes, size_t pwrErrBoundBytes_size, unsigned char radExpo) { //int i = 0; *this = (TightDataPointStorageF *)malloc(sizeof(TightDataPointStorageF)); (*this)->allSameData = 0; (*this)->realPrecision = realPrecision; (*this)->medianValue = medianValue; (*this)->reqLength = reqLength; (*this)->dataSeriesLength = dataSeriesLength; (*this)->exactDataNum = exactDataNum; (*this)->rtypeArray = NULL; (*this)->rtypeArray_size = 0; int stateNum = 2*intervals; HuffmanTree* huffmanTree = createHuffmanTree(stateNum); encode_withTree(huffmanTree, type, dataSeriesLength, &(*this)->typeArray, &(*this)->typeArray_size); SZ_ReleaseHuffman(huffmanTree); (*this)->exactMidBytes = exactMidBytes; (*this)->exactMidBytes_size = exactMidBytes_size; (*this)->leadNumArray_size = convertIntArray2ByteArray_fast_2b(leadNumIntArray, exactDataNum, &((*this)->leadNumArray)); //(*this)->residualMidBits = resiMidBits; //(*this)->residualMidBits_size = resiMidBits_size; (*this)->residualMidBits_size = convertIntArray2ByteArray_fast_dynamic2(resiMidBits, resiBitLength, resiBitLengthSize, &((*this)->residualMidBits)); (*this)->intervals = intervals; (*this)->isLossless = 0; if(confparams_cpr->errorBoundMode>=PW_REL) (*this)->pwrErrBoundBytes = pwrErrBoundBytes; else (*this)->pwrErrBoundBytes = NULL; (*this)->radExpo = radExpo; (*this)->pwrErrBoundBytes_size = pwrErrBoundBytes_size; } void convertTDPStoBytes_float(TightDataPointStorageF* tdps, unsigned char* bytes, unsigned char* dsLengthBytes, unsigned char sameByte) { size_t i, k = 0; unsigned char intervalsBytes[4]; unsigned char typeArrayLengthBytes[8]; unsigned char exactLengthBytes[8]; unsigned char exactMidBytesLength[8]; unsigned char realPrecisionBytes[8]; unsigned char medianValueBytes[4]; unsigned char segment_sizeBytes[8]; unsigned char pwrErrBoundBytes_sizeBytes[4]; unsigned char max_quant_intervals_Bytes[4]; for(i = 0;i<3;i++)//3 bytes bytes[k++] = versionNumber[i]; bytes[k++] = sameByte; //1 byte convertSZParamsToBytes(confparams_cpr, &(bytes[k])); k = k + MetaDataByteLength; for(i = 0;iSZ_SIZE_TYPE;i++)//ST: 4 or 8 bytes bytes[k++] = dsLengthBytes[i]; intToBytes_bigEndian(max_quant_intervals_Bytes, confparams_cpr->max_quant_intervals); for(i = 0;i<4;i++)//4 bytes[k++] = max_quant_intervals_Bytes[i]; if(confparams_cpr->errorBoundMode>=PW_REL) { bytes[k++] = tdps->radExpo; //1 byte sizeToBytes(segment_sizeBytes, confparams_cpr->segment_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = segment_sizeBytes[i]; intToBytes_bigEndian(pwrErrBoundBytes_sizeBytes, tdps->pwrErrBoundBytes_size); for(i = 0;i<4;i++)//4 bytes[k++] = pwrErrBoundBytes_sizeBytes[i]; } intToBytes_bigEndian(intervalsBytes, tdps->intervals); for(i = 0;i<4;i++)//4 bytes[k++] = intervalsBytes[i]; floatToBytes(medianValueBytes, tdps->medianValue); for (i = 0; i < 4; i++)// 4 bytes[k++] = medianValueBytes[i]; bytes[k++] = tdps->reqLength; //1 byte if(confparams_cpr->errorBoundMode == PW_REL && confparams_cpr->accelerate_pw_rel_compression) { bytes[k++] = tdps->plus_bits; bytes[k++] = tdps->max_bits; } doubleToBytes(realPrecisionBytes, tdps->realPrecision); for (i = 0; i < 8; i++)// 8 bytes[k++] = realPrecisionBytes[i]; sizeToBytes(typeArrayLengthBytes, tdps->typeArray_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = typeArrayLengthBytes[i]; sizeToBytes(exactLengthBytes, tdps->exactDataNum); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = exactLengthBytes[i]; sizeToBytes(exactMidBytesLength, tdps->exactMidBytes_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = exactMidBytesLength[i]; if(confparams_cpr->errorBoundMode>=PW_REL) { floatToBytes(exactMidBytesLength, tdps->minLogValue); for(i=0;i<4;i++) bytes[k++] = exactMidBytesLength[i]; } memcpy(&(bytes[k]), tdps->typeArray, tdps->typeArray_size); k += tdps->typeArray_size; if(confparams_cpr->errorBoundMode>=PW_REL) { memcpy(&(bytes[k]), tdps->pwrErrBoundBytes, tdps->pwrErrBoundBytes_size); k += tdps->pwrErrBoundBytes_size; } memcpy(&(bytes[k]), tdps->leadNumArray, tdps->leadNumArray_size); k += tdps->leadNumArray_size; memcpy(&(bytes[k]), tdps->exactMidBytes, tdps->exactMidBytes_size); k += tdps->exactMidBytes_size; if(tdps->residualMidBits!=NULL) { memcpy(&(bytes[k]), tdps->residualMidBits, tdps->residualMidBits_size); k += tdps->residualMidBits_size; } } /*deprecated*/ void convertTDPStoBytes_float_reserve(TightDataPointStorageF* tdps, unsigned char* bytes, unsigned char* dsLengthBytes, unsigned char sameByte) { size_t i, k = 0; unsigned char intervalsBytes[4]; unsigned char typeArrayLengthBytes[8]; unsigned char rTypeLengthBytes[8]; unsigned char exactLengthBytes[8]; unsigned char exactMidBytesLength[8]; unsigned char realPrecisionBytes[8]; unsigned char reservedValueBytes[4]; unsigned char medianValueBytes[4]; unsigned char segment_sizeBytes[8]; unsigned char pwrErrBoundBytes_sizeBytes[4]; unsigned char max_quant_intervals_Bytes[4]; for(i = 0;i<3;i++)//3 bytes[k++] = versionNumber[i]; bytes[k++] = sameByte; //1 convertSZParamsToBytes(confparams_cpr, &(bytes[k])); k = k + MetaDataByteLength; for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = dsLengthBytes[i]; intToBytes_bigEndian(max_quant_intervals_Bytes, confparams_cpr->max_quant_intervals); for(i = 0;i<4;i++)//4 bytes[k++] = max_quant_intervals_Bytes[i]; if(confparams_cpr->errorBoundMode>=PW_REL) { bytes[k++] = tdps->radExpo; //1 byte sizeToBytes(segment_sizeBytes, confparams_cpr->segment_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = segment_sizeBytes[i]; intToBytes_bigEndian(pwrErrBoundBytes_sizeBytes, tdps->pwrErrBoundBytes_size); for(i = 0;i<4;i++)//4 bytes[k++] = pwrErrBoundBytes_sizeBytes[i]; } intToBytes_bigEndian(intervalsBytes, tdps->intervals); for(i = 0;i<4;i++)//4 bytes[k++] = intervalsBytes[i]; floatToBytes(medianValueBytes, tdps->medianValue); for (i = 0; i < 4; i++)// 4 bytes[k++] = medianValueBytes[i]; bytes[k++] = tdps->reqLength; //1 byte floatToBytes(realPrecisionBytes, tdps->realPrecision); for (i = 0; i < 8; i++)// 8 bytes[k++] = realPrecisionBytes[i]; sizeToBytes(typeArrayLengthBytes, tdps->typeArray_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = typeArrayLengthBytes[i]; sizeToBytes(rTypeLengthBytes, tdps->rtypeArray_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = rTypeLengthBytes[i]; sizeToBytes(exactLengthBytes, tdps->exactDataNum); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = exactLengthBytes[i]; sizeToBytes(exactMidBytesLength, tdps->exactMidBytes_size); for(i = 0;iSZ_SIZE_TYPE;i++)//ST bytes[k++] = exactMidBytesLength[i]; floatToBytes(reservedValueBytes, tdps->reservedValue); for (i = 0; i < 4; i++)// 4 bytes[k++] = reservedValueBytes[i]; memcpy(&(bytes[k]), tdps->rtypeArray, tdps->rtypeArray_size); k += tdps->rtypeArray_size; if(confparams_cpr->errorBoundMode>=PW_REL) { floatToBytes(exactMidBytesLength, tdps->minLogValue); for(i=0;i<4;i++) bytes[k++] = exactMidBytesLength[i]; } memcpy(&(bytes[k]), tdps->typeArray, tdps->typeArray_size); k += tdps->typeArray_size; if(confparams_cpr->errorBoundMode>=PW_REL) { memcpy(&(bytes[k]), tdps->pwrErrBoundBytes, tdps->pwrErrBoundBytes_size); k += tdps->pwrErrBoundBytes_size; } memcpy(&(bytes[k]), tdps->leadNumArray, tdps->leadNumArray_size); k += tdps->leadNumArray_size; memcpy(&(bytes[k]), tdps->exactMidBytes, tdps->exactMidBytes_size); k += tdps->exactMidBytes_size; if(tdps->residualMidBits!=NULL) { memcpy(&(bytes[k]), tdps->residualMidBits, tdps->residualMidBits_size); k += tdps->residualMidBits_size; } } //convert TightDataPointStorageD to bytes... void convertTDPStoFlatBytes_float(TightDataPointStorageF *tdps, unsigned char** bytes, size_t *size) { size_t i, k = 0; unsigned char dsLengthBytes[8]; if(exe_params->SZ_SIZE_TYPE==4) intToBytes_bigEndian(dsLengthBytes, tdps->dataSeriesLength);//4 else longToBytes_bigEndian(dsLengthBytes, tdps->dataSeriesLength);//8 unsigned char sameByte = tdps->allSameData==1?(unsigned char)1:(unsigned char)0; //0000,0001 //sameByte = sameByte | (confparams_cpr->szMode << 1); //0000,0110 (no need because of convertSZParamsToBytes if(tdps->isLossless) sameByte = (unsigned char) (sameByte | 0x10); // 0001,0000 if(confparams_cpr->errorBoundMode>=PW_REL) sameByte = (unsigned char) (sameByte | 0x20); // 0010,0000, the 5th bit if(exe_params->SZ_SIZE_TYPE==8) sameByte = (unsigned char) (sameByte | 0x40); // 0100,0000, the 6th bit if(confparams_cpr->errorBoundMode == PW_REL && confparams_cpr->accelerate_pw_rel_compression) sameByte = (unsigned char) (sameByte | 0x08); //0000,1000 if(confparams_cpr->protectValueRange) sameByte = (unsigned char) (sameByte | 0x04); //0000,0100 if(tdps->allSameData==1) { size_t totalByteLength = 3 + 1 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + tdps->exactMidBytes_size; *bytes = (unsigned char *)malloc(sizeof(unsigned char)*totalByteLength); for (i = 0; i < 3; i++)//3 (*bytes)[k++] = versionNumber[i]; (*bytes)[k++] = sameByte; convertSZParamsToBytes(confparams_cpr, &((*bytes)[k])); k = k + MetaDataByteLength; for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) (*bytes)[k++] = dsLengthBytes[i]; for (i = 0; i < tdps->exactMidBytes_size; i++) (*bytes)[k++] = tdps->exactMidBytes[i]; *size = totalByteLength; } else if (tdps->rtypeArray == NULL) { size_t residualMidBitsLength = tdps->residualMidBits == NULL ? 0 : tdps->residualMidBits_size; size_t segmentL = 0, radExpoL = 0, pwrBoundArrayL = 0; int minLogValueSize = 0; if(confparams_cpr->errorBoundMode>=PW_REL) { segmentL = exe_params->SZ_SIZE_TYPE; radExpoL = 1; pwrBoundArrayL = 4; minLogValueSize = 4; } size_t totalByteLength = 3 + 1 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + 4 + radExpoL + segmentL + pwrBoundArrayL + 4 + 4 + 1 + 8 + exe_params->SZ_SIZE_TYPE + exe_params->SZ_SIZE_TYPE + exe_params->SZ_SIZE_TYPE + minLogValueSize + tdps->typeArray_size + tdps->leadNumArray_size + tdps->exactMidBytes_size + residualMidBitsLength + tdps->pwrErrBoundBytes_size; if(confparams_cpr->errorBoundMode == PW_REL && confparams_cpr->accelerate_pw_rel_compression) totalByteLength += (1+1); // for MSST19 *bytes = (unsigned char *)malloc(sizeof(unsigned char)*totalByteLength); convertTDPStoBytes_float(tdps, *bytes, dsLengthBytes, sameByte); *size = totalByteLength; } else //the case with reserved value { //TODO } } void convertTDPStoFlatBytes_float_args(TightDataPointStorageF *tdps, unsigned char* bytes, size_t *size) { size_t i, k = 0; unsigned char dsLengthBytes[8]; if(exe_params->SZ_SIZE_TYPE==4) intToBytes_bigEndian(dsLengthBytes, tdps->dataSeriesLength);//4 else longToBytes_bigEndian(dsLengthBytes, tdps->dataSeriesLength);//8 unsigned char sameByte = tdps->allSameData==1?(unsigned char)1:(unsigned char)0; sameByte = sameByte | (confparams_cpr->szMode << 1); if(tdps->isLossless) sameByte = (unsigned char) (sameByte | 0x10); if(confparams_cpr->errorBoundMode>=PW_REL) sameByte = (unsigned char) (sameByte | 0x20); // 00100000, the 5th bit if(exe_params->SZ_SIZE_TYPE==8) sameByte = (unsigned char) (sameByte | 0x40); // 01000000, the 6th bit if(confparams_cpr->errorBoundMode == PW_REL && confparams_cpr->accelerate_pw_rel_compression) sameByte = (unsigned char) (sameByte | 0x08); if(tdps->allSameData==1) { size_t totalByteLength = 3 + 1 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + tdps->exactMidBytes_size; //*bytes = (unsigned char *)malloc(sizeof(unsigned char)*totalByteLength); for (i = 0; i < 3; i++)//3 bytes[k++] = versionNumber[i]; bytes[k++] = sameByte; convertSZParamsToBytes(confparams_cpr, &(bytes[k])); k = k + MetaDataByteLength; for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) bytes[k++] = dsLengthBytes[i]; for (i = 0; i < tdps->exactMidBytes_size; i++) bytes[k++] = tdps->exactMidBytes[i]; *size = totalByteLength; } else if (tdps->rtypeArray == NULL) { size_t residualMidBitsLength = tdps->residualMidBits == NULL ? 0 : tdps->residualMidBits_size; size_t segmentL = 0, radExpoL = 0, pwrBoundArrayL = 0; if(confparams_cpr->errorBoundMode>=PW_REL) { segmentL = exe_params->SZ_SIZE_TYPE; radExpoL = 1; pwrBoundArrayL = 4; } size_t totalByteLength = 3 + 1 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + 4 + radExpoL + segmentL + pwrBoundArrayL + 4 + 4 + 1 + 8 + exe_params->SZ_SIZE_TYPE + exe_params->SZ_SIZE_TYPE + exe_params->SZ_SIZE_TYPE + tdps->typeArray_size + tdps->leadNumArray_size + tdps->exactMidBytes_size + residualMidBitsLength + tdps->pwrErrBoundBytes_size; if(confparams_cpr->errorBoundMode == PW_REL && confparams_cpr->accelerate_pw_rel_compression) totalByteLength += (1+1); // for MSST19 convertTDPStoBytes_float(tdps, bytes, dsLengthBytes, sameByte); *size = totalByteLength; } else //the case with reserved value { //TODO } } /** * to free the memory used in the compression * */ void free_TightDataPointStorageF(TightDataPointStorageF *tdps) { if(tdps->rtypeArray!=NULL) free(tdps->rtypeArray); if(tdps->typeArray!=NULL) free(tdps->typeArray); if(tdps->leadNumArray!=NULL) free(tdps->leadNumArray); if(tdps->exactMidBytes!=NULL) free(tdps->exactMidBytes); if(tdps->residualMidBits!=NULL) free(tdps->residualMidBits); if(tdps->pwrErrBoundBytes!=NULL) free(tdps->pwrErrBoundBytes); free(tdps); } /** * to free the memory used in the decompression * */ void free_TightDataPointStorageF2(TightDataPointStorageF *tdps) { free(tdps); }