changes

src/main.rs

@@ -89,7 +89,10 @@ impl RoyaltyTree {
         if index&1==0 {
 	    self.weight_here_below(index)
 	} else {
-	    self.weight_here_below(index)-self.weight_below(index)
+            let w0=self.weight_here_below(index);
+            let w1=self.weight_below(index);
+            println!("Weight_here({})={}-{}",index,w0,w1);
+            w0-w1
 	    }
 	}
     fn expand_to(&mut self, index: usize) -> &mut Self {
@@ -145,13 +148,21 @@ impl RoyaltyTree {
     fn insert(&mut self, weight: FiNum) {
         self.tree.push(Royalty::new());
 	let mut index=self.tree.len()-1;
+        if index&1==1 {
+            let left_weight=self.tree[wt_left(index).unwrap()].weight;
+            self.tree[index].weight=left_weight;
+            }
+        println!("Inserting at {}",index);
 	let rval=index;
 	let ff=self.forefather();
 	while index!=ff {
+            println!("Index {} Adding weight {}",index,weight);
     	    self.tree[index].weight+=weight;
 	    index=wt_parent(index);
 	    }
+        println!("Index {} Adding weight {}",index,weight);
 	self.tree[index].weight+=weight;
+        println!("Index {} Final weight {}",index,self.tree[index].weight);
 	}
     fn forefather(&self) -> usize {
         wt_forefather(self.tree.len()-1)
@@ -481,7 +492,7 @@ fn tree_stuff() {
 
 fn royalty_stuff() {
     let mut rt=RoyaltyTree::new();
-    for _ in 0..3 {
+    for _ in 0..2 {
         let index=rt.insert(FiNum::new_i32(10));
 	rt.add_royalty(FiNum::new_i32(24))
 	}