source: thirdparty/SZ/sz/include/TightDataPointStorageF.h @ 2c47b73

/**
 *  @file TightDataPointStorageF.h
 *  @author Sheng Di and Dingwen Tao
 *  @date Aug, 2016
 *  @brief Header file for the tight data point storage (TDPS).
 *  (C) 2016 by Mathematics and Computer Science (MCS), Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */

#ifndef _TightDataPointStorageF_H
#define _TightDataPointStorageF_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h> 

typedef struct TightDataPointStorageF
{
        size_t dataSeriesLength;
        int allSameData;
        double realPrecision; //it's used as the pwrErrBoundRatio when errBoundMode==PW_REL
        float medianValue;
        char reqLength;
        char radExpo; //used to compute reqLength based on segmented precisions in "pw_rel_compression"
        
        int stateNum;
        int allNodes;
        
        size_t exactDataNum;
        float reservedValue;
        
        unsigned char* rtypeArray;
        size_t rtypeArray_size;
        
        unsigned char* typeArray; //its size is dataSeriesLength/4 (or xxx/4+1) 
        size_t typeArray_size;
        
        unsigned char* leadNumArray; //its size is exactDataNum/4 (or exactDataNum/4+1)
        size_t leadNumArray_size;
        
        unsigned char* exactMidBytes;
        size_t exactMidBytes_size;
        
        unsigned char* residualMidBits;
        size_t residualMidBits_size;
        
        unsigned int intervals; //quantization_intervals
        
        unsigned char isLossless; //a mark to denote whether it's lossless compression (1 is yes, 0 is no)
        
        size_t segment_size;
        
        unsigned char* pwrErrBoundBytes;
        int pwrErrBoundBytes_size;
        
} TightDataPointStorageF;

void new_TightDataPointStorageF_Empty(TightDataPointStorageF **self);
int new_TightDataPointStorageF_fromFlatBytes(TightDataPointStorageF **self, unsigned char* flatBytes, size_t flatBytesLength);

void new_TightDataPointStorageF(TightDataPointStorageF **self,
                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 function is designed for first-version of the point-wise relative error bound (developed by Sheng Di for TPDS18 paper)
 * 
 * */
void new_TightDataPointStorageF2(TightDataPointStorageF **self,
                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);

void convertTDPStoBytes_float(TightDataPointStorageF* tdps, unsigned char* bytes, unsigned char* dsLengthBytes, unsigned char sameByte);
void convertTDPStoBytes_float_reserve(TightDataPointStorageF* tdps, unsigned char* bytes, unsigned char* dsLengthBytes, unsigned char sameByte);
void convertTDPStoFlatBytes_float(TightDataPointStorageF *tdps, unsigned char** bytes, size_t *size);
void convertTDPStoFlatBytes_float_args(TightDataPointStorageF *tdps, unsigned char* bytes, size_t *size);

void free_TightDataPointStorageF(TightDataPointStorageF *tdps);
void free_TightDataPointStorageF2(TightDataPointStorageF *tdps);

#ifdef __cplusplus
}
#endif

#endif /* ----- #ifndef _TightDataPointStorageF_H  ----- */