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| author | iximeow <me@iximeow.net> | 2014-11-26 18:10:58 -0800 |
|---|---|---|
| committer | iximeow <me@iximeow.net> | 2014-11-26 18:11:50 -0800 |
| commit | 91b4cfc801b7c156c231ca60aba69a8d171e9226 (patch) | |
| tree | 189262a5e86aea229374e9786edb08ff90d16d09 /src/utils/ByteUtils.scala | |
| parent | 31cac438b1571ba6ced29af4997cf9f1f5c3c6b7 (diff) | |
Challenge 8, 9
Diffstat (limited to 'src/utils/ByteUtils.scala')
| -rw-r--r-- | src/utils/ByteUtils.scala | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/utils/ByteUtils.scala b/src/utils/ByteUtils.scala index 18942c0..723164d 100644 --- a/src/utils/ByteUtils.scala +++ b/src/utils/ByteUtils.scala @@ -108,4 +108,7 @@ object ByteUtils { def hammingDistance[T : BitOps : SizedNumeric](a: Seq[T], b: Seq[T]): Int = (a xor b).map(_.bitsSet).reduce(_ @+ _) + + def avgHammingDistance[T : BitOps : SizedNumeric](xs: Seq[Seq[T]]): Double = + xs.sliding(2).map({ case Stream(a: Seq[T], b: Seq[T]) => hammingDistance(a, b) }).reduce(_ @+ _) / xs.length.toDouble } |