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BitUtil: Delta, ZigZag, NumBits, Floating Point,...

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2019-12-21 14:06:33 +01:00
parent 0a02aa9ad3
commit 9113347ee4
1 changed files with 244 additions and 244 deletions
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bitutil.c
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@ -22,6 +22,7 @@
- email : powturbo [_AT_] gmail [_DOT_] com - email : powturbo [_AT_] gmail [_DOT_] com
**/ **/
// "Integer Compression" utility - delta, for, zigzag / Floating point compression // "Integer Compression" utility - delta, for, zigzag / Floating point compression
#include <math.h> //nan
#include "conf.h" #include "conf.h"
#define BITUTIL_IN #define BITUTIL_IN
#include "bitutil.h" #include "bitutil.h"
@ -630,7 +631,6 @@ uint32_t bitfm32(uint32_t *in, unsigned n, uint32_t *px, uint32_t *pmin) { uint
uint64_t bitfm64(uint64_t *in, unsigned n, uint64_t *px, uint64_t *pmin) { uint64_t mi,mx; BITFM(uint64_t, in, n); *pmin = mi; if(px) *px = 0; return mx - mi; } uint64_t bitfm64(uint64_t *in, unsigned n, uint64_t *px, uint64_t *pmin) { uint64_t mi,mx; BITFM(uint64_t, in, n); *pmin = mi; if(px) *px = 0; return mx - mi; }
//----------- Lossy floating point conversion: pad the trailing mantissa bits with zero bits according to the relative error e (ex. 0.00001) ---------- //----------- Lossy floating point conversion: pad the trailing mantissa bits with zero bits according to the relative error e (ex. 0.00001) ----------
#include <math.h> //nan
#ifdef USE_FLOAT16 #ifdef USE_FLOAT16
// https://clang.llvm.org/docs/LanguageExtensions.html#half-precision-floating-point // https://clang.llvm.org/docs/LanguageExtensions.html#half-precision-floating-point