Refactor basic lemmas out of nla_core

src/util/lp/factorization_factory_imp.h

@@ -0,0 +1,34 @@
+/*++
+  Copyright (c) 2017 Microsoft Corporation
+
+  Module Name:
+
+  <name>
+
+  Abstract:
+
+  <abstract>
+
+  Author:
+  Nikolaj Bjorner (nbjorner)
+  Lev Nachmanson (levnach)
+
+  Revision History:
+
+
+  --*/
+#pragma once
+#include "util/lp/factorization.h"
+namespace nla {
+struct core;
+class rooted_mon;
+struct factorization_factory_imp: factorization_factory {
+    const core&  m_core;
+    const monomial *m_mon;
+    const rooted_mon& m_rm;
+        
+    factorization_factory_imp(const rooted_mon& rm, const core& s);
+    bool find_rm_monomial_of_vars(const svector<lpvar>& vars, unsigned & i) const;
+    const monomial* find_monomial_of_vars(const svector<lpvar>& vars) const;
+};
+}