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Lossy Floating point:Bit Grooming include

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2023-06-07 13:58:24 +02:00
parent 07503064cf
commit 6583172fc1
1 changed files with 109 additions and 0 deletions
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TurboPFor-Integer-Compression/lib/ext/bg/bg.h Normal file
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//#include "defines.h"
//#include <rw.h>
#include <stdio.h>
#include "defines.h"
//#include "callZlib.h"
#include <stdint.h>
//#include <time.h>
//#include <sys/time.h>
//#include "conf.h"
#ifndef _BG_H
#define _BG_H
#ifdef __cplusplus
extern "C" {
#endif
# define M_LN10 2.30258509299404568401799145468436421 /* loge(10) */
# define M_LN2 0.693147180559945309417232121458176568 /* loge(2) */
#define int_CEWI 0
#define NCO_PPC_BIT_XPL_NBR_MIN 2
typedef union lint16
{
unsigned short usvalue;
short svalue;
unsigned char byte[2];
} lint16;
typedef union lint32
{
int ivalue;
unsigned int uivalue;
unsigned char byte[4];
} lint32;
typedef union lint64
{
long lvalue;
unsigned long ulvalue;
unsigned char byte[8];
} lint64;
typedef union ldouble
{
double value;
unsigned long lvalue;
unsigned char byte[8];
} ldouble;
typedef union lfloat
{
float value;
unsigned int ivalue;
unsigned char byte[4];
} lfloat;
typedef struct bg_params
{
int dataType;
int sol_ID;// GB
int zlibMode; //* four options: Z_NO_COMPRESSION, or Z_BEST_SPEED, Z_BEST_COMPRESSION, Z_DEFAULT_COMPRESSION
int bgMode; //BITGROOM, BITSHAVE or BITSET
int errorControlMode;
int NSD;
int DSD;
float fmin, fmax;
double dmin, dmax;
} bg_params;
typedef struct bg_exedata
{
unsigned int BG_SIZE_TYPE; //the length (# bytes) of the size_t in the system at runtime //4 or 8: sizeof(size_t)
} bg_exedata;
extern int versionNumber[4];
//-------------------key global variables--------------
extern int dataEndianType; //*endian type of the data read from disk
extern int sysEndianType; //*sysEndianType is actually set automatically.
extern bg_params *confparams_cpr;
extern bg_params *confparams_dec;
extern bg_exedata *exe_params;
//for libpressio
extern int bgMode_libpressio;
extern int errorControlMode_libpressio;
extern int nsd_libpressio;
extern int dsd_libpressio;
unsigned char *BG_compress(int dataType, void *data, size_t *outSize, size_t nbEle);
unsigned char* BG_compress_args(int dataType, void *data, size_t *outSize, int bgMode, int errorControlMode, int nsd, int dsd, size_t nbEle, unsigned char *data_);
//void *BG_decompress(int dataType, unsigned char *bytes, size_t byteLength, size_t nbEle);
#ifdef __cplusplus
}
#endif
#endif /* ----- #ifndef _BG_H ----- */