Fix ambiguous call to abs(c or c++). (#1308)

2016-06-30 05:28:28 +08:00
parent bd5b07873e
commit 3b73824842
1 changed files with 1 additions and 0 deletions
--- a/src/tree/param.h
+++ b/src/tree/param.h
@@ -9,6 +9,7 @@

 #include <vector>
 #include <cstring>
+#include <cmath>

 namespace xgboost {
 namespace tree {