From d2e5bea1fba96fc156bd367238bed77091bc1d5a Mon Sep 17 00:00:00 2001
From: Vladislav Sovrasov <sovrasov.vlad@gmail.com>
Date: Fri, 16 Dec 2016 16:38:56 +0300
Subject: [PATCH] Disable training of RTrees when CVFolds > 0

---
 modules/ml/src/rtrees.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/ml/src/rtrees.cpp b/modules/ml/src/rtrees.cpp
index 0175944199..cab33ab33b 100644
--- a/modules/ml/src/rtrees.cpp
+++ b/modules/ml/src/rtrees.cpp
@@ -382,6 +382,8 @@ public:
 
     bool train( const Ptr<TrainData>& trainData, int flags )
     {
+        if (impl.getCVFolds() != 0)
+            CV_Error(Error::StsBadArg, "Cross validation for RTrees is not implemented");
         return impl.train(trainData, flags);
     }