Merge pull request #637 from MarcosPividori/master

Fix a mistake in metric policy.
mlpack · May 12, 2016 · 1f562a1 · 1f562a1
2 parents d502539 + 27ebca1
commit 1f562a1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/policies/trees.hpp b/doc/policies/trees.hpp
@@ -408,7 +408,7 @@ tree building and other operations:
 // This function is required by the MetricType policy.
 // Evaluate the metric between two points (which may be of different types).
 template<typename VecTypeA, typename VecTypeB>
-void Evaluate(VecTypeA& a, VecTypeB& b);
+double Evaluate(const VecTypeA& a, const VecTypeB& b);
 @endcode
 
 Note that this method is not necessarily static, so a \c MetricType object