diff -r 57abff252556 -r 86a5b114a066 lemon/clp.h
--- a/lemon/clp.h	Wed Jan 20 16:17:21 2021 +0100
+++ b/lemon/clp.h	Wed Jan 20 16:31:29 2021 +0100
@@ -139,6 +139,8 @@
 
     virtual void _messageLevel(MessageLevel);
 
+    void _write(std::string file, std::string format) const;
+
   public:
 
     ///Solves LP with primal simplex method.