[TREE] Move colmaker

2016-01-01 04:51:55 -08:00
parent c8ccb61b9e
commit 20043f63a6
10 changed files with 95 additions and 349 deletions
--- a/include/xgboost/data.h
+++ b/include/xgboost/data.h
@@ -201,6 +201,8 @@ class DMatrix {
 public:
  /*! \brief meta information of the dataset */
  virtual MetaInfo& info() = 0;
+  /*! \brief meta information of the dataset */
+  virtual const MetaInfo& info() const = 0;
  /*!
   * \brief get the row iterator, reset to beginning position
   * \note Only either RowIterator or  column Iterator can be active.