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

2017-01-06 18:10:03 +01:00
parent 24efacc29c
commit 8dbb65363e
1 changed files with 6 additions and 0 deletions
--- a/bitutil.c
+++ b/bitutil.c
@ -96,6 +96,12 @@ unsigned bitdelta64(uint64_t *in, unsigned n, uint64_t *out, uint64_t start, uns
  return bsr64(b);
 }

+unsigned bitdelta16(unsigned short *in, unsigned n, unsigned short *out, unsigned short start, unsigned inc) {
+  typeof(in[0]) b = 0,*op = out;
+  BITDELTA(in, n, inc, start, b |= _x; *op++ = _x);
+  return bsr16(b);
+}
+
 unsigned bit32(unsigned *in, unsigned n) {
  typeof(in[0]) b;
  BITSIZE32(in, n, b);