From 7f293eb84e66b6468c92257e52741fbdfd8d13b0 Mon Sep 17 00:00:00 2001
From: Fan Jiang <i@fanjiang.me>
Date: Fri, 10 Jul 2020 15:01:54 -0400
Subject: [PATCH] add comments

---
 gtsam/linear/PCGSolver.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtsam/linear/PCGSolver.h b/gtsam/linear/PCGSolver.h
index 3e72c7cbe..7752902ba 100644
--- a/gtsam/linear/PCGSolver.h
+++ b/gtsam/linear/PCGSolver.h
@@ -48,6 +48,7 @@ public:
     return *preconditioner_;
   }
 
+  // needed for python wrapper
   void print(const std::string &s) const;
 
   boost::shared_ptr<PreconditionerParameters> preconditioner_;