fix annoy l2 (#3235)

Signed-off-by: N shengjun.li <shengjun.li@zilliz.com>

fix annoy l2 (#3235)
Signed-off-by: N shengjun.li <shengjun.li@zilliz.com>
cecbeacc · shengjun.li · GitHub · a891c5be · cecbeacc
隐藏空白更改
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core/src/index/thirdparty/annoy/src/annoylib.h core/src/index/thirdparty/annoy/src/annoylib.h +1 -1

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--- a/core/src/index/thirdparty/annoy/src/annoylib.h
+++ b/core/src/index/thirdparty/annoy/src/annoylib.h
@@ -783,7 +783,7 @@ struct Euclidean : Minkowski {
  }
  template<typename T>
  static inline T normalized_distance(T distance) {
-    return sqrt(std::max(distance, T(0)));
+    return distance;
  }
  template<typename S, typename T>
  static inline void init_node(Node<S, T>* n, int f) {