some fix to make it more c++

2014-09-01 22:06:10 -07:00
parent 50f1b5d903
commit 42fb7b4d9d
7 changed files with 26 additions and 21 deletions
--- a/src/learner/helper_utils.h
+++ b/src/learner/helper_utils.h
@@ -7,6 +7,7 @@
 */
 #include <utility>
 #include <vector>
+#include <cmath>
 #include <algorithm>
 namespace xgboost {
 namespace learner {