factor out some lifted operations in a new class

packages/CLPBN/horus/LiftedOperations.h

@@ -0,0 +1,24 @@
+#ifndef HORUS_LIFTEDOPERATIONS_H
+#define HORUS_LIFTEDOPERATIONS_H
+
+#include "ParfactorList.h"
+
+class LiftedOperations
+{
+  public:
+    static void shatterAgainstQuery (
+        ParfactorList& pfList, const Grounds& query);
+        
+    static void absorveEvidence (
+        ParfactorList& pfList, ObservedFormulas& obsFormulas);
+  
+    static Parfactors countNormalize (Parfactor*, const LogVarSet&);
+
+    static Parfactor calcGroundMultiplication (Parfactor pf);
+
+  private:
+
+    static Parfactors absorve (ObservedFormula&, Parfactor*);    
+};
+
+#endif // HORUS_LIFTEDOPERATIONS_H