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

2018-01-14 19:47:13 +01:00
parent 460b206ed1
commit 3fba48d98f
1 changed files with 1 additions and 1 deletions
--- a/bitutil.c
+++ b/bitutil.c
@ -350,7 +350,7 @@ void bitzdec32(unsigned *p, unsigned n, unsigned start) {
 	SCAN256x32(iv, sv);
 	_mm256_storeu_si256((__m256i *)ip, sv); 
  }
-  start = (unsigned)_mm256_extract_epi32(_mm256_srli_si256(sv,12), 0);
+  start = (unsigned)_mm256_extract_epi32(_mm256_srli_si256(sv,12), 4);
  while(ip != p+n) { 
    unsigned z = *ip; 
 	*ip++ = (start += (z >> 1 ^ -(z & 1)));