homework-jianmu/include/td_sz.h

52 lines
1.4 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_SZ_H
#define _TD_SZ_H
#include "defines.h"
#ifdef __cplusplus
extern "C" {
#endif
void cost_start();
double cost_end(const char* tag);
//
// Init success return 1 else 0
//
void tdszInit(float fPrecision, double dPrecision, unsigned int maxIntervals, unsigned int intervals, int ifAdtFse, const char* compressor);
//
// compress interface to tdengine return value is count of output with bytes
//
int tdszCompress(int type, const char * input, const int nelements, const char * output);
//
// decompress interface to tdengine return value is count of output with bytes
//
int tdszDecompress(int type, const char * input, int compressedSize, const int nelements, const char * output);
//
// Exit call
//
void tdszExit();
#ifdef __cplusplus
}
#endif
#endif /* ----- #ifndef _SZ_H ----- */