add projectedCopy

packages/CLPBN/horus/ConstraintTree.cpp

@@ -367,6 +367,16 @@ ConstraintTree::project (const LogVarSet& X)
 
 
 
+ConstraintTree
+ConstraintTree::projectedCopy (const LogVarSet& X)
+{
+  ConstraintTree copy = *this;
+  copy.project (X);
+  return copy;
+}
+
+
+
 void
 ConstraintTree::remove (const LogVarSet& X)
 {

packages/CLPBN/horus/ConstraintTree.h

@@ -157,6 +157,8 @@ class ConstraintTree
     void applySubstitution (const Substitution&);
 
     void project (const LogVarSet&);
+    
+    ConstraintTree projectedCopy (const LogVarSet&);
 
     void remove (const LogVarSet&);