starting the horner heuristic

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

src/math/lp/horner.h

@@ -0,0 +1,35 @@
+/*++
+  Copyright (c) 2017 Microsoft Corporation
+
+  Module Name:
+
+  <name>
+
+  Abstract:
+
+  <abstract>
+
+  Author:
+  Nikolaj Bjorner (nbjorner)
+  Lev Nachmanson (levnach)
+
+  Revision History:
+
+
+  --*/
+#pragma once
+
+#include "math/lp/nla_common.h"
+
+namespace nla {
+class core;
+
+
+class horner : common {   
+public:
+    horner(core *core);
+    void horner_lemmas();
+    void lemma_on_row(const lp::row_strip<rational>&);
+private:    
+}; // end of horner
+}