daiduo/TurboPFor-Integer-Compression
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TurboPFor: Floating Point/Integer encode/decode

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2018-03-15 12:19:35 +01:00
parent 366ecd144e
commit a7e7a4bcff
1 changed files with 2 additions and 2 deletions
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4
fp.c
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@ -64,7 +64,7 @@
#define bitget32(bw,br,_b_,_x_,_ip_) bitget(bw,br,_b_,_x_)
#define bitget64(bw,br,_b_,_x_,_ip_) if((_b_)>45) { unsigned _v; bitget(bw,br,(_b_)-32,_x_); bitdnorm(bw,br,_ip_); bitget(bw,br,32,_v); _x_ = _x_<<32|_v; } else bitget(bw,br,_b_,_x_)
//-------------------------------
//------------------------------------------------------------------
#define VSIZE 128
#define P4ENC p4enc
@ -268,7 +268,7 @@ size_t TEMPLATE2(fp2dfcmdec,USIZE)(unsigned char *in, size_t n, uint_t *out, uin
return ip - in;
}
// Improved Gorilla (see Facebook paper) style Floating point compression + RLE in time series.
// Improved Gorilla (see Facebook paper) style Floating point compression + RLE
#define bitput2(bw,br, _n1_, _n2_, _x_) {\
if(!_x_) bitput(bw,br, 1, 1);/*1*/\
else if( _x_ < (1<< (_n1_-1))) bitput(bw,br, _n1_+2,_x_<<2|2);/*10*/\