From 270792053eda067465aae7756fb7fc4d12f3d088 Mon Sep 17 00:00:00 2001
From: tickduan <417921451@qq.com>
Date: Mon, 12 Jul 2021 19:48:28 +0800
Subject: [PATCH] modify min_flat to 0

---
 deps/SZ/sz/src/sz_float.c   |  2 +-
 src/kit/taospack/taospack.c | 15 ++++++++++++---
 src/util/inc/tconfig.h      |  2 +-
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/deps/SZ/sz/src/sz_float.c b/deps/SZ/sz/src/sz_float.c
index 466e4ee002..ff76e9c952 100644
--- a/deps/SZ/sz/src/sz_float.c
+++ b/deps/SZ/sz/src/sz_float.c
@@ -372,7 +372,7 @@ int SZ_compress_args_float(float *oriData, size_t r1, unsigned char* newByteData
 	}
 
     //cost_end(" sz_first_compress");
-	//show_rate(r1*sizeof(float), *outSize);
+	//show_rate(r1*sizeof(float), tmpOutSize);
 	//
 	//  second compress with Call Zstd or Gzip 
 	//
diff --git a/src/kit/taospack/taospack.c b/src/kit/taospack/taospack.c
index b87d0ad927..b1af64f973 100644
--- a/src/kit/taospack/taospack.c
+++ b/src/kit/taospack/taospack.c
@@ -676,6 +676,8 @@ void test_same_double(int algo){
 extern char lossyColumns [];
 extern bool lossyDouble;
 extern bool lossyFloat;
+extern double  fPrecision;
+extern char Compressor [];
 
 //
 //   -----------------  main ----------------------
@@ -683,14 +685,21 @@ extern bool lossyFloat;
 int main(int argc, char *argv[]) {
   printf("welcome to use taospack tools v1.3\n");
 
-  printf(" sizeof(int)=%d\n",  (int)sizeof(int));
-  printf(" sizeof(long)=%d\n", (int)sizeof(long));
-  printf(" sizeof(short)=%d\n",(int)sizeof(short));
+  //printf(" sizeof(int)=%d\n",  (int)sizeof(int));
+  //printf(" sizeof(long)=%d\n", (int)sizeof(long));
+  //printf(" sizeof(short)=%d\n",(int)sizeof(short));
+  
  
   strcpy(lossyColumns, "float|double");
   bool lossy = true;
+  fPrecision = 1E-5;
+  //strcpy(Compressor, "GZIP_COMPRESSOR");
+
   tsCompressInit();
   lossyFloat = lossyDouble = true;
+
+  printf(" fPrecision=%.15f\n",fPrecision);
+
  
   //
   //tsCompressExit();
diff --git a/src/util/inc/tconfig.h b/src/util/inc/tconfig.h
index d522bfc730..d03ce6e0f1 100644
--- a/src/util/inc/tconfig.h
+++ b/src/util/inc/tconfig.h
@@ -33,7 +33,7 @@ extern "C" {
 #define TSDB_CFG_CTYPE_B_NOT_PRINT 32U  // such as password
 
 #define MAX_FLOAT    100000
-#define MIN_FLOAT   -100000
+#define MIN_FLOAT    0
 
 enum {
   TAOS_CFG_CSTATUS_NONE,     // not configured