diff options
Diffstat (limited to 'assets/javascripts/util.js')
| -rw-r--r-- | assets/javascripts/util.js | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/assets/javascripts/util.js b/assets/javascripts/util.js index 8a0e5ba..89889c4 100644 --- a/assets/javascripts/util.js +++ b/assets/javascripts/util.js @@ -155,3 +155,9 @@ function invert_hash (h) { return k } +function bitcount(v) { + v = v - ((v >>> 1) & 0x55555555); + v = (v & 0x33333333) + ((v >>> 2) & 0x33333333); + return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24; +} + |